diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 40b89dd7c0bb..7120c4e1692f 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3327,9 +3327,7 @@

mem_encrypt= [X86-64] AMD Secure Memory Encryption (SME) control Valid arguments: on, off - Default (depends on kernel configuration option): - on (CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT=y) - off (CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT=n) + Default: off mem_encrypt=on: Activate SME mem_encrypt=off: Do not activate SME

diff --git a/Documentation/arch/x86/amd-memory-encryption.rst b/Documentation/arch/x86/amd-memory-encryption.rst index 07caa8fff852..414bc7402ae7 100644 --- a/Documentation/arch/x86/amd-memory-encryption.rst +++ b/Documentation/arch/x86/amd-memory-encryption.rst @@ -87,14 +87,14 @@ The state of SME in the Linux kernel can be documented as follows: kernel is non-zero).

SME can also be enabled and activated in the BIOS. If SME is enabled and -activated in the BIOS, then all memory accesses will be encrypted and it will -not be necessary to activate the Linux memory encryption support. If the BIOS -merely enables SME (sets bit 23 of the MSR_AMD64_SYSCFG), then Linux can activate -memory encryption by default (CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT=y) or -by supplying mem_encrypt=on on the kernel command line. However, if BIOS does -not enable SME, then Linux will not be able to activate memory encryption, even -if configured to do so by default or the mem_encrypt=on command line parameter -is specified. +activated in the BIOS, then all memory accesses will be encrypted and it +will not be necessary to activate the Linux memory encryption support. + +If the BIOS merely enables SME (sets bit 23 of the MSR_AMD64_SYSCFG), +then memory encryption can be enabled by supplying mem_encrypt=on on the +kernel command line. However, if BIOS does not enable SME, then Linux +will not be able to activate memory encryption, even if configured to do +so by default or the mem_encrypt=on command line parameter is specified.

Secure Nested Paging (SNP) ========================== diff --git a/Documentation/conf.py b/Documentation/conf.py index dfc19c915d5c..e385e24fe9e7 100644 --- a/Documentation/conf.py +++ b/Documentation/conf.py @@ -345,9 +345,9 @@ sys.stderr.write("Using %s theme\n" % html_theme) html_static_path = ['sphinx-static']

# If true, Docutils "smart quotes" will be used to convert quotes and dashes -# to typographically correct entities. This will convert "--" to "—", -# which is not always what we want, so disable it. -smartquotes = False +# to typographically correct entities. However, conversion of "--" to "—" +# is not always what we want, so enable only quotes. +smartquotes_action = 'q'

# Custom sidebar templates, maps document names to template names. # Note that the RTD theme ignores this diff --git a/Documentation/userspace-api/media/mediactl/media-types.rst b/Documentation/userspace-api/media/mediactl/media-types.rst index 0ffeece1e0c8..6332e8395263 100644 --- a/Documentation/userspace-api/media/mediactl/media-types.rst +++ b/Documentation/userspace-api/media/mediactl/media-types.rst @@ -375,12 +375,11 @@ Types and flags used to represent the media graph elements are origins of links.

* - ``MEDIA_PAD_FL_MUST_CONNECT`` - - If this flag is set and the pad is linked to any other pad, then - at least one of those links must be enabled for the entity to be - able to stream. There could be temporary reasons (e.g. device - configuration dependent) for the pad to need enabled links even - when this flag isn't set; the absence of the flag doesn't imply - there is none. + - If this flag is set, then for this pad to be able to stream, it must + be connected by at least one enabled link. There could be temporary + reasons (e.g. device configuration dependent) for the pad to need + enabled links even when this flag isn't set; the absence of the flag + doesn't imply there is none.

One and only one of ``MEDIA_PAD_FL_SINK`` and ``MEDIA_PAD_FL_SOURCE`` diff --git a/Makefile b/Makefile index 6e3182cdf016..190ed2b2e0ac 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 6 PATCHLEVEL = 7 -SUBLEVEL = 11 +SUBLEVEL = 12 EXTRAVERSION = NAME = Hurr durr I'ma ninja sloth

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 8f47d6762ea4..f53832383a63 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -591,8 +591,8 @@ source "arch/arm/mm/Kconfig"

config IWMMXT bool "Enable iWMMXt support" - depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 || CPU_PJ4B - default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 || CPU_PJ4B + depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK + default y if PXA27x || PXA3xx || ARCH_MMP help Enable support for iWMMXt context switching at run time if running on a CPU that supports it. diff --git a/arch/arm/boot/dts/marvell/mmp2-brownstone.dts b/arch/arm/boot/dts/marvell/mmp2-brownstone.dts index 04f1ae1382e7..bc64348b8218 100644 --- a/arch/arm/boot/dts/marvell/mmp2-brownstone.dts +++ b/arch/arm/boot/dts/marvell/mmp2-brownstone.dts @@ -28,7 +28,7 @@ &uart3 { &twsi1 { status = "okay"; pmic: max8925@3c { - compatible = "maxium,max8925"; + compatible = "maxim,max8925"; reg = <0x3c>; interrupts = <1>; interrupt-parent = <&intcmux4>; diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig index 0a90583f9f01..8f9dbe8d9029 100644 --- a/arch/arm/configs/imx_v6_v7_defconfig +++ b/arch/arm/configs/imx_v6_v7_defconfig @@ -297,6 +297,7 @@ CONFIG_FB_MODE_HELPERS=y CONFIG_LCD_CLASS_DEVICE=y CONFIG_LCD_L4F00242T03=y CONFIG_LCD_PLATFORM=y +CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_BACKLIGHT_PWM=y CONFIG_BACKLIGHT_GPIO=y CONFIG_FRAMEBUFFER_CONSOLE=y diff --git a/arch/arm/include/asm/mman.h b/arch/arm/include/asm/mman.h new file mode 100644 index 000000000000..2189e507c8e0 --- /dev/null +++ b/arch/arm/include/asm/mman.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_MMAN_H__ +#define __ASM_MMAN_H__ + +#include <asm/system_info.h> +#include <uapi/asm/mman.h> + +static inline bool arch_memory_deny_write_exec_supported(void) +{ + return cpu_architecture() >= CPU_ARCH_ARMv6; +} +#define arch_memory_deny_write_exec_supported arch_memory_deny_write_exec_supported + +#endif /* __ASM_MMAN_H__ */ diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 771264d4726a..ae2f2b2b4e5a 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -75,8 +75,6 @@ obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o obj-$(CONFIG_CPU_XSCALE) += xscale-cp0.o obj-$(CONFIG_CPU_XSC3) += xscale-cp0.o obj-$(CONFIG_CPU_MOHAWK) += xscale-cp0.o -obj-$(CONFIG_CPU_PJ4) += pj4-cp0.o -obj-$(CONFIG_CPU_PJ4B) += pj4-cp0.o obj-$(CONFIG_IWMMXT) += iwmmxt.o obj-$(CONFIG_PERF_EVENTS) += perf_regs.o perf_callchain.o obj-$(CONFIG_HW_PERF_EVENTS) += perf_event_xscale.o perf_event_v6.o \ diff --git a/arch/arm/kernel/iwmmxt.S b/arch/arm/kernel/iwmmxt.S index a0218c4867b9..4a335d3c5969 100644 --- a/arch/arm/kernel/iwmmxt.S +++ b/arch/arm/kernel/iwmmxt.S @@ -18,18 +18,6 @@ #include <asm/assembler.h> #include "iwmmxt.h"

-#if defined(CONFIG_CPU_PJ4) || defined(CONFIG_CPU_PJ4B) -#define PJ4(code...) code -#define XSC(code...) -#elif defined(CONFIG_CPU_MOHAWK) || \ - defined(CONFIG_CPU_XSC3) || \ - defined(CONFIG_CPU_XSCALE) -#define PJ4(code...) -#define XSC(code...) code -#else -#error "Unsupported iWMMXt architecture" -#endif - #define MMX_WR0 (0x00) #define MMX_WR1 (0x08) #define MMX_WR2 (0x10) @@ -81,17 +69,13 @@ ENDPROC(iwmmxt_undef_handler) ENTRY(iwmmxt_task_enable) inc_preempt_count r10, r3

- XSC(mrc p15, 0, r2, c15, c1, 0) - PJ4(mrc p15, 0, r2, c1, c0, 2) + mrc p15, 0, r2, c15, c1, 0 @ CP0 and CP1 accessible? - XSC(tst r2, #0x3) - PJ4(tst r2, #0xf) + tst r2, #0x3 bne 4f @ if so no business here @ enable access to CP0 and CP1 - XSC(orr r2, r2, #0x3) - XSC(mcr p15, 0, r2, c15, c1, 0) - PJ4(orr r2, r2, #0xf) - PJ4(mcr p15, 0, r2, c1, c0, 2) + orr r2, r2, #0x3 + mcr p15, 0, r2, c15, c1, 0

ldr r3, =concan_owner ldr r2, [r0, #S_PC] @ current task pc value @@ -218,12 +202,9 @@ ENTRY(iwmmxt_task_disable) bne 1f @ no: quit

@ enable access to CP0 and CP1 - XSC(mrc p15, 0, r4, c15, c1, 0) - XSC(orr r4, r4, #0x3) - XSC(mcr p15, 0, r4, c15, c1, 0) - PJ4(mrc p15, 0, r4, c1, c0, 2) - PJ4(orr r4, r4, #0xf) - PJ4(mcr p15, 0, r4, c1, c0, 2) + mrc p15, 0, r4, c15, c1, 0 + orr r4, r4, #0x3 + mcr p15, 0, r4, c15, c1, 0

mov r0, #0 @ nothing to load str r0, [r3] @ no more current owner @@ -232,10 +213,8 @@ ENTRY(iwmmxt_task_disable) bl concan_save

@ disable access to CP0 and CP1 - XSC(bic r4, r4, #0x3) - XSC(mcr p15, 0, r4, c15, c1, 0) - PJ4(bic r4, r4, #0xf) - PJ4(mcr p15, 0, r4, c1, c0, 2) + bic r4, r4, #0x3 + mcr p15, 0, r4, c15, c1, 0

mrc p15, 0, r2, c2, c0, 0 mov r2, r2 @ cpwait @@ -330,11 +309,9 @@ ENDPROC(iwmmxt_task_restore) */ ENTRY(iwmmxt_task_switch)

- XSC(mrc p15, 0, r1, c15, c1, 0) - PJ4(mrc p15, 0, r1, c1, c0, 2) + mrc p15, 0, r1, c15, c1, 0 @ CP0 and CP1 accessible? - XSC(tst r1, #0x3) - PJ4(tst r1, #0xf) + tst r1, #0x3 bne 1f @ yes: block them for next task

ldr r2, =concan_owner @@ -344,10 +321,8 @@ ENTRY(iwmmxt_task_switch) retne lr @ no: leave Concan disabled

1: @ flip Concan access - XSC(eor r1, r1, #0x3) - XSC(mcr p15, 0, r1, c15, c1, 0) - PJ4(eor r1, r1, #0xf) - PJ4(mcr p15, 0, r1, c1, c0, 2) + eor r1, r1, #0x3 + mcr p15, 0, r1, c15, c1, 0

mrc p15, 0, r1, c2, c0, 0 sub pc, lr, r1, lsr #32 @ cpwait and return diff --git a/arch/arm/kernel/pj4-cp0.c b/arch/arm/kernel/pj4-cp0.c deleted file mode 100644 index 4bca8098c4ff..000000000000 --- a/arch/arm/kernel/pj4-cp0.c +++ /dev/null @@ -1,135 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/arch/arm/kernel/pj4-cp0.c - * - * PJ4 iWMMXt coprocessor context switching and handling - * - * Copyright (c) 2010 Marvell International Inc. - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/init.h> -#include <linux/io.h> -#include <asm/thread_notify.h> -#include <asm/cputype.h> - -static int iwmmxt_do(struct notifier_block *self, unsigned long cmd, void *t) -{ - struct thread_info *thread = t; - - switch (cmd) { - case THREAD_NOTIFY_FLUSH: - /* - * flush_thread() zeroes thread->fpstate, so no need - * to do anything here. - * - * FALLTHROUGH: Ensure we don't try to overwrite our newly - * initialised state information on the first fault. - */ - - case THREAD_NOTIFY_EXIT: - iwmmxt_task_release(thread); - break; - - case THREAD_NOTIFY_SWITCH: - iwmmxt_task_switch(thread); - break; - } - - return NOTIFY_DONE; -} - -static struct notifier_block __maybe_unused iwmmxt_notifier_block = { - .notifier_call = iwmmxt_do, -}; - - -static u32 __init pj4_cp_access_read(void) -{ - u32 value; - - __asm__ __volatile__ ( - "mrc p15, 0, %0, c1, c0, 2\n\t" - : "=r" (value)); - return value; -} - -static void __init pj4_cp_access_write(u32 value) -{ - u32 temp; - - __asm__ __volatile__ ( - "mcr p15, 0, %1, c1, c0, 2\n\t" -#ifdef CONFIG_THUMB2_KERNEL - "isb\n\t" -#else - "mrc p15, 0, %0, c1, c0, 2\n\t" - "mov %0, %0\n\t" - "sub pc, pc, #4\n\t" -#endif - : "=r" (temp) : "r" (value)); -} - -static int __init pj4_get_iwmmxt_version(void) -{ - u32 cp_access, wcid; - - cp_access = pj4_cp_access_read(); - pj4_cp_access_write(cp_access | 0xf); - - /* check if coprocessor 0 and 1 are available */ - if ((pj4_cp_access_read() & 0xf) != 0xf) { - pj4_cp_access_write(cp_access); - return -ENODEV; - } - - /* read iWMMXt coprocessor id register p1, c0 */ - __asm__ __volatile__ ("mrc p1, 0, %0, c0, c0, 0\n" : "=r" (wcid)); - - pj4_cp_access_write(cp_access); - - /* iWMMXt v1 */ - if ((wcid & 0xffffff00) == 0x56051000) - return 1; - /* iWMMXt v2 */ - if ((wcid & 0xffffff00) == 0x56052000) - return 2; - - return -EINVAL; -} - -/* - * Disable CP0/CP1 on boot, and let call_fpe() and the iWMMXt lazy - * switch code handle iWMMXt context switching. - */ -static int __init pj4_cp0_init(void) -{ - u32 __maybe_unused cp_access; - int vers; - - if (!cpu_is_pj4()) - return 0; - - vers = pj4_get_iwmmxt_version(); - if (vers < 0) - return 0; - -#ifndef CONFIG_IWMMXT - pr_info("PJ4 iWMMXt coprocessor detected, but kernel support is missing.\n"); -#else - cp_access = pj4_cp_access_read() & ~0xf; - pj4_cp_access_write(cp_access); - - pr_info("PJ4 iWMMXt v%d coprocessor enabled.\n", vers); - elf_hwcap |= HWCAP_IWMMXT; - thread_register_notifier(&iwmmxt_notifier_block); - register_iwmmxt_undef_handler(); -#endif - - return 0; -} - -late_initcall(pj4_cp0_init); diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index d19d140a10c7..0749cf8a6637 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -296,6 +296,9 @@ void __sync_icache_dcache(pte_t pteval) return;

folio = page_folio(pfn_to_page(pfn)); + if (folio_test_reserved(folio)) + return; + if (cache_is_vipt_aliasing()) mapping = folio_flush_mapping(folio); else diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index 84de20c88a86..e456c9512f9c 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -2147,8 +2147,16 @@ pcie1: pci@1c08000 { ranges = <0x01000000 0x0 0x00000000 0x0 0x40200000 0x0 0x100000>, <0x02000000 0x0 0x40300000 0x0 0x40300000 0x0 0x1fd00000>;

- interrupts = <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "msi"; + interrupts = <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 314 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "msi0", "msi1", "msi2", "msi3", + "msi4", "msi5", "msi6", "msi7"; #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0x7>; interrupt-map = <0 0 0 1 &intc 0 0 0 434 IRQ_TYPE_LEVEL_HIGH>, diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts index f2055899ae7a..a993ad15ea9a 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts @@ -721,6 +721,8 @@ &pcie3a_phy { };

&pcie4 { + max-link-speed = <2>; + perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>; wake-gpios = <&tlmm 139 GPIO_ACTIVE_LOW>;

diff --git a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts index 20153d08edde..ff346be5c916 100644 --- a/arch/arm64/boot/dts/qcom/sm8450-hdk.dts +++ b/arch/arm64/boot/dts/qcom/sm8450-hdk.dts @@ -930,8 +930,8 @@ &sound { "TX DMIC3", "MIC BIAS1", "TX SWR_INPUT0", "ADC1_OUTPUT", "TX SWR_INPUT1", "ADC2_OUTPUT", - "TX SWR_INPUT2", "ADC3_OUTPUT", - "TX SWR_INPUT3", "ADC4_OUTPUT"; + "TX SWR_INPUT0", "ADC3_OUTPUT", + "TX SWR_INPUT1", "ADC4_OUTPUT";

wcd-playback-dai-link { link-name = "WCD Playback"; diff --git a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts index 9a70875028b7..3098bb6b93d6 100644 --- a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts +++ b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts @@ -745,7 +745,7 @@ &swr2 { wcd_tx: codec@0,3 { compatible = "sdw20217010d00"; reg = <0 3>; - qcom,tx-port-mapping = <1 1 2 3>; + qcom,tx-port-mapping = <2 2 3 4>; }; };

diff --git a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts index eef811def39b..ad3d7ac29c6d 100644 --- a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts +++ b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts @@ -842,7 +842,7 @@ &swr2 { wcd_tx: codec@0,3 { compatible = "sdw20217010d00"; reg = <0 3>; - qcom,tx-port-mapping = <1 1 2 3>; + qcom,tx-port-mapping = <2 2 3 4>; }; };

diff --git a/arch/hexagon/kernel/vmlinux.lds.S b/arch/hexagon/kernel/vmlinux.lds.S index 1140051a0c45..1150b77fa281 100644 --- a/arch/hexagon/kernel/vmlinux.lds.S +++ b/arch/hexagon/kernel/vmlinux.lds.S @@ -63,6 +63,7 @@ SECTIONS STABS_DEBUG DWARF_DEBUG ELF_DETAILS + .hexagon.attributes 0 : { *(.hexagon.attributes) }

DISCARDS } diff --git a/arch/loongarch/crypto/crc32-loongarch.c b/arch/loongarch/crypto/crc32-loongarch.c index a49e507af38c..3eebea3a7b47 100644 --- a/arch/loongarch/crypto/crc32-loongarch.c +++ b/arch/loongarch/crypto/crc32-loongarch.c @@ -44,7 +44,6 @@ static u32 crc32_loongarch_hw(u32 crc_, const u8 *p, unsigned int len)

CRC32(crc, value, w); p += sizeof(u32); - len -= sizeof(u32); }

if (len & sizeof(u16)) { @@ -80,7 +79,6 @@ static u32 crc32c_loongarch_hw(u32 crc_, const u8 *p, unsigned int len)

CRC32C(crc, value, w); p += sizeof(u32); - len -= sizeof(u32); }

if (len & sizeof(u16)) { diff --git a/arch/loongarch/include/asm/Kbuild b/arch/loongarch/include/asm/Kbuild index 93783fa24f6e..dede0b422cfb 100644 --- a/arch/loongarch/include/asm/Kbuild +++ b/arch/loongarch/include/asm/Kbuild @@ -4,6 +4,7 @@ generic-y += mcs_spinlock.h generic-y += parport.h generic-y += early_ioremap.h generic-y += qrwlock.h +generic-y += qspinlock.h generic-y += rwsem.h generic-y += segment.h generic-y += user.h diff --git a/arch/loongarch/include/asm/io.h b/arch/loongarch/include/asm/io.h index c486c2341b66..4a8adcca329b 100644 --- a/arch/loongarch/include/asm/io.h +++ b/arch/loongarch/include/asm/io.h @@ -71,6 +71,8 @@ extern void __memcpy_fromio(void *to, const volatile void __iomem *from, size_t #define memcpy_fromio(a, c, l) __memcpy_fromio((a), (c), (l)) #define memcpy_toio(c, a, l) __memcpy_toio((c), (a), (l))

+#define __io_aw() mmiowb() + #include <asm-generic/io.h>

#define ARCH_HAS_VALID_PHYS_ADDR_RANGE diff --git a/arch/loongarch/include/asm/percpu.h b/arch/loongarch/include/asm/percpu.h index 9b36ac003f89..8f290e5546cf 100644 --- a/arch/loongarch/include/asm/percpu.h +++ b/arch/loongarch/include/asm/percpu.h @@ -29,7 +29,12 @@ static inline void set_my_cpu_offset(unsigned long off) __my_cpu_offset = off; csr_write64(off, PERCPU_BASE_KS); } -#define __my_cpu_offset __my_cpu_offset + +#define __my_cpu_offset \ +({ \ + __asm__ __volatile__("":"+r"(__my_cpu_offset)); \ + __my_cpu_offset; \ +})

#define PERCPU_OP(op, asm_op, c_op) \ static __always_inline unsigned long __percpu_##op(void *ptr, \ diff --git a/arch/loongarch/include/asm/qspinlock.h b/arch/loongarch/include/asm/qspinlock.h deleted file mode 100644 index 34f43f8ad591..000000000000 --- a/arch/loongarch/include/asm/qspinlock.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_QSPINLOCK_H -#define _ASM_QSPINLOCK_H - -#include <asm-generic/qspinlock_types.h> - -#define queued_spin_unlock queued_spin_unlock - -static inline void queued_spin_unlock(struct qspinlock *lock) -{ - compiletime_assert_atomic_type(lock->locked); - c_sync(); - WRITE_ONCE(lock->locked, 0); -} - -#include <asm-generic/qspinlock.h> - -#endif /* _ASM_QSPINLOCK_H */ diff --git a/arch/parisc/include/asm/assembly.h b/arch/parisc/include/asm/assembly.h index 5937d5edaba1..000a28e1c5e8 100644 --- a/arch/parisc/include/asm/assembly.h +++ b/arch/parisc/include/asm/assembly.h @@ -97,26 +97,28 @@ * version takes two arguments: a src and destination register. * However, the source and destination registers can not be * the same register. + * + * We use add,l to avoid clobbering the C/B bits in the PSW. */

.macro tophys grvirt, grphys - ldil L%(__PAGE_OFFSET), \grphys - sub \grvirt, \grphys, \grphys + ldil L%(-__PAGE_OFFSET), \grphys + addl \grvirt, \grphys, \grphys .endm - + .macro tovirt grphys, grvirt ldil L%(__PAGE_OFFSET), \grvirt - add \grphys, \grvirt, \grvirt + addl \grphys, \grvirt, \grvirt .endm

.macro tophys_r1 gr - ldil L%(__PAGE_OFFSET), %r1 - sub \gr, %r1, \gr + ldil L%(-__PAGE_OFFSET), %r1 + addl \gr, %r1, \gr .endm - + .macro tovirt_r1 gr ldil L%(__PAGE_OFFSET), %r1 - add \gr, %r1, \gr + addl \gr, %r1, \gr .endm

.macro delay value diff --git a/arch/parisc/include/asm/checksum.h b/arch/parisc/include/asm/checksum.h index 3c43baca7b39..2aceebcd695c 100644 --- a/arch/parisc/include/asm/checksum.h +++ b/arch/parisc/include/asm/checksum.h @@ -40,7 +40,7 @@ static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) " addc %0, %5, %0\n" " addc %0, %3, %0\n" "1: ldws,ma 4(%1), %3\n" -" addib,< 0, %2, 1b\n" +" addib,> -1, %2, 1b\n" " addc %0, %3, %0\n" "\n" " extru %0, 31, 16, %4\n" @@ -126,6 +126,7 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr, ** Try to keep 4 registers with "live" values ahead of the ALU. */

+" depdi 0, 31, 32, %0\n"/* clear upper half of incoming checksum */ " ldd,ma 8(%1), %4\n" /* get 1st saddr word */ " ldd,ma 8(%2), %5\n" /* get 1st daddr word */ " add %4, %0, %0\n" @@ -137,8 +138,8 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr, " add,dc %3, %0, %0\n" /* fold in proto+len | carry bit */ " extrd,u %0, 31, 32, %4\n"/* copy upper half down */ " depdi 0, 31, 32, %0\n"/* clear upper half */ -" add %4, %0, %0\n" /* fold into 32-bits */ -" addc 0, %0, %0\n" /* add carry */ +" add,dc %4, %0, %0\n" /* fold into 32-bits, plus carry */ +" addc 0, %0, %0\n" /* add final carry */

#else

@@ -163,7 +164,8 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr, " ldw,ma 4(%2), %7\n" /* 4th daddr */ " addc %6, %0, %0\n" " addc %7, %0, %0\n" -" addc %3, %0, %0\n" /* fold in proto+len, catch carry */ +" addc %3, %0, %0\n" /* fold in proto+len */ +" addc 0, %0, %0\n" /* add carry */

#endif : "=r" (sum), "=r" (saddr), "=r" (daddr), "=r" (len), diff --git a/arch/parisc/include/asm/mman.h b/arch/parisc/include/asm/mman.h new file mode 100644 index 000000000000..47c5a1991d10 --- /dev/null +++ b/arch/parisc/include/asm/mman.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_MMAN_H__ +#define __ASM_MMAN_H__ + +#include <uapi/asm/mman.h> + +/* PARISC cannot allow mdwe as it needs writable stacks */ +static inline bool arch_memory_deny_write_exec_supported(void) +{ + return false; +} +#define arch_memory_deny_write_exec_supported arch_memory_deny_write_exec_supported + +#endif /* __ASM_MMAN_H__ */ diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c index c520e551a165..a8e75e5b884a 100644 --- a/arch/parisc/kernel/unaligned.c +++ b/arch/parisc/kernel/unaligned.c @@ -169,6 +169,7 @@ static int emulate_ldw(struct pt_regs *regs, int toreg, int flop) static int emulate_ldd(struct pt_regs *regs, int toreg, int flop) { unsigned long saddr = regs->ior; + unsigned long shift, temp1; __u64 val = 0; ASM_EXCEPTIONTABLE_VAR(ret);

@@ -180,25 +181,22 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop)

#ifdef CONFIG_64BIT __asm__ __volatile__ ( -" depd,z %3,60,3,%%r19\n" /* r19=(ofs&7)*8 */ -" mtsp %4, %%sr1\n" -" depd %%r0,63,3,%3\n" -"1: ldd 0(%%sr1,%3),%0\n" -"2: ldd 8(%%sr1,%3),%%r20\n" -" subi 64,%%r19,%%r19\n" -" mtsar %%r19\n" -" shrpd %0,%%r20,%%sar,%0\n" +" depd,z %2,60,3,%3\n" /* shift=(ofs&7)*8 */ +" mtsp %5, %%sr1\n" +" depd %%r0,63,3,%2\n" +"1: ldd 0(%%sr1,%2),%0\n" +"2: ldd 8(%%sr1,%2),%4\n" +" subi 64,%3,%3\n" +" mtsar %3\n" +" shrpd %0,%4,%%sar,%0\n" "3: \n" ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 3b, "%1") ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 3b, "%1") - : "=r" (val), "+r" (ret) - : "0" (val), "r" (saddr), "r" (regs->isr) - : "r19", "r20" ); + : "+r" (val), "+r" (ret), "+r" (saddr), "=&r" (shift), "=&r" (temp1) + : "r" (regs->isr) ); #else - { - unsigned long shift, temp1; __asm__ __volatile__ ( -" zdep %2,29,2,%3\n" /* r19=(ofs&3)*8 */ +" zdep %2,29,2,%3\n" /* shift=(ofs&3)*8 */ " mtsp %5, %%sr1\n" " dep %%r0,31,2,%2\n" "1: ldw 0(%%sr1,%2),%0\n" @@ -214,7 +212,6 @@ static int emulate_ldd(struct pt_regs *regs, int toreg, int flop) ASM_EXCEPTIONTABLE_ENTRY_EFAULT(3b, 4b, "%1") : "+r" (val), "+r" (ret), "+r" (saddr), "=&r" (shift), "=&r" (temp1) : "r" (regs->isr) ); - } #endif

DPRINTF("val = 0x%llx\n", val); diff --git a/arch/powerpc/include/asm/reg_fsl_emb.h b/arch/powerpc/include/asm/reg_fsl_emb.h index a21f529c43d9..8359c06d92d9 100644 --- a/arch/powerpc/include/asm/reg_fsl_emb.h +++ b/arch/powerpc/include/asm/reg_fsl_emb.h @@ -12,9 +12,16 @@ #ifndef __ASSEMBLY__ /* Performance Monitor Registers */ #define mfpmr(rn) ({unsigned int rval; \ - asm volatile("mfpmr %0," __stringify(rn) \ + asm volatile(".machine push; " \ + ".machine e300; " \ + "mfpmr %0," __stringify(rn) ";" \ + ".machine pop; " \ : "=r" (rval)); rval;}) -#define mtpmr(rn, v) asm volatile("mtpmr " __stringify(rn) ",%0" : : "r" (v)) +#define mtpmr(rn, v) asm volatile(".machine push; " \ + ".machine e300; " \ + "mtpmr " __stringify(rn) ",%0; " \ + ".machine pop; " \ + : : "r" (v)) #endif /* __ASSEMBLY__ */

/* Freescale Book E Performance Monitor APU Registers */ diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 0b5878c3125b..77364729a1b6 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -375,6 +375,18 @@ static int __init early_init_dt_scan_cpus(unsigned long node, if (IS_ENABLED(CONFIG_PPC64)) boot_cpu_hwid = be32_to_cpu(intserv[found_thread]);

+ if (nr_cpu_ids % nthreads != 0) { + set_nr_cpu_ids(ALIGN(nr_cpu_ids, nthreads)); + pr_warn("nr_cpu_ids was not a multiple of threads_per_core, adjusted to %d\n", + nr_cpu_ids); + } + + if (boot_cpuid >= nr_cpu_ids) { + set_nr_cpu_ids(min(CONFIG_NR_CPUS, ALIGN(boot_cpuid + 1, nthreads))); + pr_warn("Boot CPU %d >= nr_cpu_ids, adjusted nr_cpu_ids to %d\n", + boot_cpuid, nr_cpu_ids); + } + /* * PAPR defines "logical" PVR values for cpus that * meet various levels of the architecture: diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index 6eac63e79a89..0ab65eeb93ee 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -76,7 +76,7 @@ obj-$(CONFIG_PPC_LIB_RHEAP) += rheap.o obj-$(CONFIG_FTR_FIXUP_SELFTEST) += feature-fixups-test.o

obj-$(CONFIG_ALTIVEC) += xor_vmx.o xor_vmx_glue.o -CFLAGS_xor_vmx.o += -maltivec $(call cc-option,-mabi=altivec) +CFLAGS_xor_vmx.o += -mhard-float -maltivec $(call cc-option,-mabi=altivec) # Enable <altivec.h> CFLAGS_xor_vmx.o += -isystem $(shell $(CC) -print-file-name=include)

diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h index 0a7ffcfd59cd..e2eed8f97665 100644 --- a/arch/sparc/include/asm/parport.h +++ b/arch/sparc/include/asm/parport.h @@ -1,256 +1,11 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* parport.h: sparc64 specific parport initialization and dma. - * - * Copyright (C) 1999 Eddie C. Dost (ecd@skynet.be) - */ +#ifndef ___ASM_SPARC_PARPORT_H +#define ___ASM_SPARC_PARPORT_H

-#ifndef _ASM_SPARC64_PARPORT_H -#define _ASM_SPARC64_PARPORT_H 1 - -#include <linux/of.h> -#include <linux/platform_device.h> - -#include <asm/ebus_dma.h> -#include <asm/ns87303.h> -#include <asm/prom.h> - -#define PARPORT_PC_MAX_PORTS PARPORT_MAX - -/* - * While sparc64 doesn't have an ISA DMA API, we provide something that looks - * close enough to make parport_pc happy - */ -#define HAS_DMA - -#ifdef CONFIG_PARPORT_PC_FIFO -static DEFINE_SPINLOCK(dma_spin_lock); - -#define claim_dma_lock() \ -({ unsigned long flags; \ - spin_lock_irqsave(&dma_spin_lock, flags); \ - flags; \ -}) - -#define release_dma_lock(__flags) \ - spin_unlock_irqrestore(&dma_spin_lock, __flags); +#if defined(__sparc__) && defined(__arch64__) +#include <asm/parport_64.h> +#else +#include <asm-generic/parport.h> +#endif #endif

-static struct sparc_ebus_info { - struct ebus_dma_info info; - unsigned int addr; - unsigned int count; - int lock; - - struct parport *port; -} sparc_ebus_dmas[PARPORT_PC_MAX_PORTS]; - -static DECLARE_BITMAP(dma_slot_map, PARPORT_PC_MAX_PORTS); - -static inline int request_dma(unsigned int dmanr, const char *device_id) -{ - if (dmanr >= PARPORT_PC_MAX_PORTS) - return -EINVAL; - if (xchg(&sparc_ebus_dmas[dmanr].lock, 1) != 0) - return -EBUSY; - return 0; -} - -static inline void free_dma(unsigned int dmanr) -{ - if (dmanr >= PARPORT_PC_MAX_PORTS) { - printk(KERN_WARNING "Trying to free DMA%d\n", dmanr); - return; - } - if (xchg(&sparc_ebus_dmas[dmanr].lock, 0) == 0) { - printk(KERN_WARNING "Trying to free free DMA%d\n", dmanr); - return; - } -} - -static inline void enable_dma(unsigned int dmanr) -{ - ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1); - - if (ebus_dma_request(&sparc_ebus_dmas[dmanr].info, - sparc_ebus_dmas[dmanr].addr, - sparc_ebus_dmas[dmanr].count)) - BUG(); -} - -static inline void disable_dma(unsigned int dmanr) -{ - ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 0); -} - -static inline void clear_dma_ff(unsigned int dmanr) -{ - /* nothing */ -} - -static inline void set_dma_mode(unsigned int dmanr, char mode) -{ - ebus_dma_prepare(&sparc_ebus_dmas[dmanr].info, (mode != DMA_MODE_WRITE)); -} - -static inline void set_dma_addr(unsigned int dmanr, unsigned int addr) -{ - sparc_ebus_dmas[dmanr].addr = addr; -} - -static inline void set_dma_count(unsigned int dmanr, unsigned int count) -{ - sparc_ebus_dmas[dmanr].count = count; -} - -static inline unsigned int get_dma_residue(unsigned int dmanr) -{ - return ebus_dma_residue(&sparc_ebus_dmas[dmanr].info); -} - -static int ecpp_probe(struct platform_device *op) -{ - unsigned long base = op->resource[0].start; - unsigned long config = op->resource[1].start; - unsigned long d_base = op->resource[2].start; - unsigned long d_len; - struct device_node *parent; - struct parport *p; - int slot, err; - - parent = op->dev.of_node->parent; - if (of_node_name_eq(parent, "dma")) { - p = parport_pc_probe_port(base, base + 0x400, - op->archdata.irqs[0], PARPORT_DMA_NOFIFO, - op->dev.parent->parent, 0); - if (!p) - return -ENOMEM; - dev_set_drvdata(&op->dev, p); - return 0; - } - - for (slot = 0; slot < PARPORT_PC_MAX_PORTS; slot++) { - if (!test_and_set_bit(slot, dma_slot_map)) - break; - } - err = -ENODEV; - if (slot >= PARPORT_PC_MAX_PORTS) - goto out_err; - - spin_lock_init(&sparc_ebus_dmas[slot].info.lock); - - d_len = (op->resource[2].end - d_base) + 1UL; - sparc_ebus_dmas[slot].info.regs = - of_ioremap(&op->resource[2], 0, d_len, "ECPP DMA"); - - if (!sparc_ebus_dmas[slot].info.regs) - goto out_clear_map; - - sparc_ebus_dmas[slot].info.flags = 0; - sparc_ebus_dmas[slot].info.callback = NULL; - sparc_ebus_dmas[slot].info.client_cookie = NULL; - sparc_ebus_dmas[slot].info.irq = 0xdeadbeef; - strcpy(sparc_ebus_dmas[slot].info.name, "parport"); - if (ebus_dma_register(&sparc_ebus_dmas[slot].info)) - goto out_unmap_regs; - - ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 1); - - /* Configure IRQ to Push Pull, Level Low */ - /* Enable ECP, set bit 2 of the CTR first */ - outb(0x04, base + 0x02); - ns87303_modify(config, PCR, - PCR_EPP_ENABLE | - PCR_IRQ_ODRAIN, - PCR_ECP_ENABLE | - PCR_ECP_CLK_ENA | - PCR_IRQ_POLAR); - - /* CTR bit 5 controls direction of port */ - ns87303_modify(config, PTR, - 0, PTR_LPT_REG_DIR); - - p = parport_pc_probe_port(base, base + 0x400, - op->archdata.irqs[0], - slot, - op->dev.parent, - 0); - err = -ENOMEM; - if (!p) - goto out_disable_irq; - - dev_set_drvdata(&op->dev, p); - - return 0; - -out_disable_irq: - ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 0); - ebus_dma_unregister(&sparc_ebus_dmas[slot].info); - -out_unmap_regs: - of_iounmap(&op->resource[2], sparc_ebus_dmas[slot].info.regs, d_len); - -out_clear_map: - clear_bit(slot, dma_slot_map); - -out_err: - return err; -} - -static int ecpp_remove(struct platform_device *op) -{ - struct parport *p = dev_get_drvdata(&op->dev); - int slot = p->dma; - - parport_pc_unregister_port(p); - - if (slot != PARPORT_DMA_NOFIFO) { - unsigned long d_base = op->resource[2].start; - unsigned long d_len; - - d_len = (op->resource[2].end - d_base) + 1UL; - - ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 0); - ebus_dma_unregister(&sparc_ebus_dmas[slot].info); - of_iounmap(&op->resource[2], - sparc_ebus_dmas[slot].info.regs, - d_len); - clear_bit(slot, dma_slot_map); - } - - return 0; -} - -static const struct of_device_id ecpp_match[] = { - { - .name = "ecpp", - }, - { - .name = "parallel", - .compatible = "ecpp", - }, - { - .name = "parallel", - .compatible = "ns87317-ecpp", - }, - { - .name = "parallel", - .compatible = "pnpALI,1533,3", - }, - {}, -}; - -static struct platform_driver ecpp_driver = { - .driver = { - .name = "ecpp", - .of_match_table = ecpp_match, - }, - .probe = ecpp_probe, - .remove = ecpp_remove, -}; - -static int parport_pc_find_nonpci_ports(int autoirq, int autodma) -{ - return platform_driver_register(&ecpp_driver); -} - -#endif /* !(_ASM_SPARC64_PARPORT_H */ diff --git a/arch/sparc/include/asm/parport_64.h b/arch/sparc/include/asm/parport_64.h new file mode 100644 index 000000000000..0a7ffcfd59cd --- /dev/null +++ b/arch/sparc/include/asm/parport_64.h @@ -0,0 +1,256 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* parport.h: sparc64 specific parport initialization and dma. + * + * Copyright (C) 1999 Eddie C. Dost (ecd@skynet.be) + */ + +#ifndef _ASM_SPARC64_PARPORT_H +#define _ASM_SPARC64_PARPORT_H 1 + +#include <linux/of.h> +#include <linux/platform_device.h> + +#include <asm/ebus_dma.h> +#include <asm/ns87303.h> +#include <asm/prom.h> + +#define PARPORT_PC_MAX_PORTS PARPORT_MAX + +/* + * While sparc64 doesn't have an ISA DMA API, we provide something that looks + * close enough to make parport_pc happy + */ +#define HAS_DMA + +#ifdef CONFIG_PARPORT_PC_FIFO +static DEFINE_SPINLOCK(dma_spin_lock); + +#define claim_dma_lock() \ +({ unsigned long flags; \ + spin_lock_irqsave(&dma_spin_lock, flags); \ + flags; \ +}) + +#define release_dma_lock(__flags) \ + spin_unlock_irqrestore(&dma_spin_lock, __flags); +#endif + +static struct sparc_ebus_info { + struct ebus_dma_info info; + unsigned int addr; + unsigned int count; + int lock; + + struct parport *port; +} sparc_ebus_dmas[PARPORT_PC_MAX_PORTS]; + +static DECLARE_BITMAP(dma_slot_map, PARPORT_PC_MAX_PORTS); + +static inline int request_dma(unsigned int dmanr, const char *device_id) +{ + if (dmanr >= PARPORT_PC_MAX_PORTS) + return -EINVAL; + if (xchg(&sparc_ebus_dmas[dmanr].lock, 1) != 0) + return -EBUSY; + return 0; +} + +static inline void free_dma(unsigned int dmanr) +{ + if (dmanr >= PARPORT_PC_MAX_PORTS) { + printk(KERN_WARNING "Trying to free DMA%d\n", dmanr); + return; + } + if (xchg(&sparc_ebus_dmas[dmanr].lock, 0) == 0) { + printk(KERN_WARNING "Trying to free free DMA%d\n", dmanr); + return; + } +} + +static inline void enable_dma(unsigned int dmanr) +{ + ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1); + + if (ebus_dma_request(&sparc_ebus_dmas[dmanr].info, + sparc_ebus_dmas[dmanr].addr, + sparc_ebus_dmas[dmanr].count)) + BUG(); +} + +static inline void disable_dma(unsigned int dmanr) +{ + ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 0); +} + +static inline void clear_dma_ff(unsigned int dmanr) +{ + /* nothing */ +} + +static inline void set_dma_mode(unsigned int dmanr, char mode) +{ + ebus_dma_prepare(&sparc_ebus_dmas[dmanr].info, (mode != DMA_MODE_WRITE)); +} + +static inline void set_dma_addr(unsigned int dmanr, unsigned int addr) +{ + sparc_ebus_dmas[dmanr].addr = addr; +} + +static inline void set_dma_count(unsigned int dmanr, unsigned int count) +{ + sparc_ebus_dmas[dmanr].count = count; +} + +static inline unsigned int get_dma_residue(unsigned int dmanr) +{ + return ebus_dma_residue(&sparc_ebus_dmas[dmanr].info); +} + +static int ecpp_probe(struct platform_device *op) +{ + unsigned long base = op->resource[0].start; + unsigned long config = op->resource[1].start; + unsigned long d_base = op->resource[2].start; + unsigned long d_len; + struct device_node *parent; + struct parport *p; + int slot, err; + + parent = op->dev.of_node->parent; + if (of_node_name_eq(parent, "dma")) { + p = parport_pc_probe_port(base, base + 0x400, + op->archdata.irqs[0], PARPORT_DMA_NOFIFO, + op->dev.parent->parent, 0); + if (!p) + return -ENOMEM; + dev_set_drvdata(&op->dev, p); + return 0; + } + + for (slot = 0; slot < PARPORT_PC_MAX_PORTS; slot++) { + if (!test_and_set_bit(slot, dma_slot_map)) + break; + } + err = -ENODEV; + if (slot >= PARPORT_PC_MAX_PORTS) + goto out_err; + + spin_lock_init(&sparc_ebus_dmas[slot].info.lock); + + d_len = (op->resource[2].end - d_base) + 1UL; + sparc_ebus_dmas[slot].info.regs = + of_ioremap(&op->resource[2], 0, d_len, "ECPP DMA"); + + if (!sparc_ebus_dmas[slot].info.regs) + goto out_clear_map; + + sparc_ebus_dmas[slot].info.flags = 0; + sparc_ebus_dmas[slot].info.callback = NULL; + sparc_ebus_dmas[slot].info.client_cookie = NULL; + sparc_ebus_dmas[slot].info.irq = 0xdeadbeef; + strcpy(sparc_ebus_dmas[slot].info.name, "parport"); + if (ebus_dma_register(&sparc_ebus_dmas[slot].info)) + goto out_unmap_regs; + + ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 1); + + /* Configure IRQ to Push Pull, Level Low */ + /* Enable ECP, set bit 2 of the CTR first */ + outb(0x04, base + 0x02); + ns87303_modify(config, PCR, + PCR_EPP_ENABLE | + PCR_IRQ_ODRAIN, + PCR_ECP_ENABLE | + PCR_ECP_CLK_ENA | + PCR_IRQ_POLAR); + + /* CTR bit 5 controls direction of port */ + ns87303_modify(config, PTR, + 0, PTR_LPT_REG_DIR); + + p = parport_pc_probe_port(base, base + 0x400, + op->archdata.irqs[0], + slot, + op->dev.parent, + 0); + err = -ENOMEM; + if (!p) + goto out_disable_irq; + + dev_set_drvdata(&op->dev, p); + + return 0; + +out_disable_irq: + ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 0); + ebus_dma_unregister(&sparc_ebus_dmas[slot].info); + +out_unmap_regs: + of_iounmap(&op->resource[2], sparc_ebus_dmas[slot].info.regs, d_len); + +out_clear_map: + clear_bit(slot, dma_slot_map); + +out_err: + return err; +} + +static int ecpp_remove(struct platform_device *op) +{ + struct parport *p = dev_get_drvdata(&op->dev); + int slot = p->dma; + + parport_pc_unregister_port(p); + + if (slot != PARPORT_DMA_NOFIFO) { + unsigned long d_base = op->resource[2].start; + unsigned long d_len; + + d_len = (op->resource[2].end - d_base) + 1UL; + + ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 0); + ebus_dma_unregister(&sparc_ebus_dmas[slot].info); + of_iounmap(&op->resource[2], + sparc_ebus_dmas[slot].info.regs, + d_len); + clear_bit(slot, dma_slot_map); + } + + return 0; +} + +static const struct of_device_id ecpp_match[] = { + { + .name = "ecpp", + }, + { + .name = "parallel", + .compatible = "ecpp", + }, + { + .name = "parallel", + .compatible = "ns87317-ecpp", + }, + { + .name = "parallel", + .compatible = "pnpALI,1533,3", + }, + {}, +}; + +static struct platform_driver ecpp_driver = { + .driver = { + .name = "ecpp", + .of_match_table = ecpp_match, + }, + .probe = ecpp_probe, + .remove = ecpp_remove, +}; + +static int parport_pc_find_nonpci_ports(int autoirq, int autodma) +{ + return platform_driver_register(&ecpp_driver); +} + +#endif /* !(_ASM_SPARC64_PARPORT_H */ diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c index 17cdfdbf1f3b..149adc094753 100644 --- a/arch/sparc/kernel/nmi.c +++ b/arch/sparc/kernel/nmi.c @@ -279,7 +279,7 @@ static int __init setup_nmi_watchdog(char *str) if (!strncmp(str, "panic", 5)) panic_on_timeout = 1;

- return 0; + return 1; } __setup("nmi_watchdog=", setup_nmi_watchdog);

diff --git a/arch/sparc/vdso/vma.c b/arch/sparc/vdso/vma.c index 136c78f28f8b..1bbf4335de45 100644 --- a/arch/sparc/vdso/vma.c +++ b/arch/sparc/vdso/vma.c @@ -449,9 +449,8 @@ static __init int vdso_setup(char *s) unsigned long val;

err = kstrtoul(s, 10, &val); - if (err) - return err; - vdso_enabled = val; - return 0; + if (!err) + vdso_enabled = val; + return 1; } __setup("vdso=", vdso_setup); diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d2003865b7cf..92412748582c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1539,19 +1539,6 @@ config AMD_MEM_ENCRYPT This requires an AMD processor that supports Secure Memory Encryption (SME).

-config AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT - bool "Activate AMD Secure Memory Encryption (SME) by default" - depends on AMD_MEM_ENCRYPT - help - Say yes to have system memory encrypted by default if running on - an AMD processor that supports Secure Memory Encryption (SME). - - If set to Y, then the encryption of system memory can be - deactivated with the mem_encrypt=off command line option. - - If set to N, then the encryption of system memory can be - activated with the mem_encrypt=on command line option. - # Common NUMA Features config NUMA bool "NUMA Memory Allocation and Scheduler Support" diff --git a/arch/x86/boot/compressed/efi_mixed.S b/arch/x86/boot/compressed/efi_mixed.S index f4e22ef774ab..876fc6d46a13 100644 --- a/arch/x86/boot/compressed/efi_mixed.S +++ b/arch/x86/boot/compressed/efi_mixed.S @@ -15,10 +15,12 @@ */

#include <linux/linkage.h> +#include <asm/asm-offsets.h> #include <asm/msr.h> #include <asm/page_types.h> #include <asm/processor-flags.h> #include <asm/segment.h> +#include <asm/setup.h>

.code64 .text @@ -49,6 +51,11 @@ SYM_FUNC_START(startup_64_mixed_mode) lea efi32_boot_args(%rip), %rdx mov 0(%rdx), %edi mov 4(%rdx), %esi + + /* Switch to the firmware's stack */ + movl efi32_boot_sp(%rip), %esp + andl $~7, %esp + #ifdef CONFIG_EFI_HANDOVER_PROTOCOL mov 8(%rdx), %edx // saved bootparams pointer test %edx, %edx @@ -144,6 +151,7 @@ SYM_FUNC_END(__efi64_thunk) SYM_FUNC_START(efi32_stub_entry) call 1f 1: popl %ecx + leal (efi32_boot_args - 1b)(%ecx), %ebx

/* Clear BSS */ xorl %eax, %eax @@ -158,6 +166,7 @@ SYM_FUNC_START(efi32_stub_entry) popl %ecx popl %edx popl %esi + movl %esi, 8(%ebx) jmp efi32_entry SYM_FUNC_END(efi32_stub_entry) #endif @@ -234,8 +243,6 @@ SYM_FUNC_END(efi_enter32) * * Arguments: %ecx image handle * %edx EFI system table pointer - * %esi struct bootparams pointer (or NULL when not using - * the EFI handover protocol) * * Since this is the point of no return for ordinary execution, no registers * are considered live except for the function parameters. [Note that the EFI @@ -254,13 +261,25 @@ SYM_FUNC_START_LOCAL(efi32_entry) /* Store firmware IDT descriptor */ sidtl (efi32_boot_idt - 1b)(%ebx)

+ /* Store firmware stack pointer */ + movl %esp, (efi32_boot_sp - 1b)(%ebx) + /* Store boot arguments */ leal (efi32_boot_args - 1b)(%ebx), %ebx movl %ecx, 0(%ebx) movl %edx, 4(%ebx) - movl %esi, 8(%ebx) movb $0x0, 12(%ebx) // efi_is64

+ /* + * Allocate some memory for a temporary struct boot_params, which only + * needs the minimal pieces that startup_32() relies on. + */ + subl $PARAM_SIZE, %esp + movl %esp, %esi + movl $PAGE_SIZE, BP_kernel_alignment(%esi) + movl $_end - 1b, BP_init_size(%esi) + subl $startup_32 - 1b, BP_init_size(%esi) + /* Disable paging */ movl %cr0, %eax btrl $X86_CR0_PG_BIT, %eax @@ -286,8 +305,7 @@ SYM_FUNC_START(efi32_pe_entry)

movl 8(%ebp), %ecx // image_handle movl 12(%ebp), %edx // sys_table - xorl %esi, %esi - jmp efi32_entry // pass %ecx, %edx, %esi + jmp efi32_entry // pass %ecx, %edx // no other registers remain live

2: popl %edi // restore callee-save registers @@ -318,5 +336,6 @@ SYM_DATA_END(efi32_boot_idt)

SYM_DATA_LOCAL(efi32_boot_cs, .word 0) SYM_DATA_LOCAL(efi32_boot_ds, .word 0) +SYM_DATA_LOCAL(efi32_boot_sp, .long 0) SYM_DATA_LOCAL(efi32_boot_args, .long 0, 0, 0) SYM_DATA(efi_is64, .byte 1) diff --git a/arch/x86/coco/core.c b/arch/x86/coco/core.c index eeec9986570e..d07be9d05cd0 100644 --- a/arch/x86/coco/core.c +++ b/arch/x86/coco/core.c @@ -14,7 +14,7 @@ #include <asm/processor.h>

enum cc_vendor cc_vendor __ro_after_init = CC_VENDOR_NONE; -static u64 cc_mask __ro_after_init; +u64 cc_mask __ro_after_init;

static bool noinstr intel_cc_platform_has(enum cc_attr attr) { @@ -148,8 +148,3 @@ u64 cc_mkdec(u64 val) } } EXPORT_SYMBOL_GPL(cc_mkdec); - -__init void cc_set_mask(u64 mask) -{ - cc_mask = mask; -} diff --git a/arch/x86/include/asm/asm-prototypes.h b/arch/x86/include/asm/asm-prototypes.h index b1a98fa38828..0e82074517f6 100644 --- a/arch/x86/include/asm/asm-prototypes.h +++ b/arch/x86/include/asm/asm-prototypes.h @@ -13,6 +13,7 @@ #include <asm/preempt.h> #include <asm/asm.h> #include <asm/gsseg.h> +#include <asm/nospec-branch.h>

#ifndef CONFIG_X86_CMPXCHG64 extern void cmpxchg8b_emu(void); diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h index fbcfec4dc4cc..ca8eed1d496a 100644 --- a/arch/x86/include/asm/asm.h +++ b/arch/x86/include/asm/asm.h @@ -113,6 +113,20 @@

#endif

+#ifndef __ASSEMBLY__ +#ifndef __pic__ +static __always_inline __pure void *rip_rel_ptr(void *p) +{ + asm("leaq %c1(%%rip), %0" : "=r"(p) : "i"(p)); + + return p; +} +#define RIP_REL_REF(var) (*(typeof(&(var)))rip_rel_ptr(&(var))) +#else +#define RIP_REL_REF(var) (var) +#endif +#endif + /* * Macros to generate condition code outputs from inline assembly, * The output operand must be type "bool". diff --git a/arch/x86/include/asm/coco.h b/arch/x86/include/asm/coco.h index 6ae2d16a7613..21940ef8d290 100644 --- a/arch/x86/include/asm/coco.h +++ b/arch/x86/include/asm/coco.h @@ -2,6 +2,7 @@ #ifndef _ASM_X86_COCO_H #define _ASM_X86_COCO_H

+#include <asm/asm.h> #include <asm/types.h>

enum cc_vendor { @@ -11,9 +12,14 @@ enum cc_vendor { };

extern enum cc_vendor cc_vendor; +extern u64 cc_mask;

#ifdef CONFIG_ARCH_HAS_CC_PLATFORM -void cc_set_mask(u64 mask); +static inline void cc_set_mask(u64 mask) +{ + RIP_REL_REF(cc_mask) = mask; +} + u64 cc_mkenc(u64 val); u64 cc_mkdec(u64 val); #else diff --git a/arch/x86/include/asm/crash_core.h b/arch/x86/include/asm/crash_core.h index 76af98f4e801..041020da8d56 100644 --- a/arch/x86/include/asm/crash_core.h +++ b/arch/x86/include/asm/crash_core.h @@ -39,4 +39,6 @@ static inline unsigned long crash_low_size_default(void) #endif }

+#define HAVE_ARCH_ADD_CRASH_RES_TO_IOMEM_EARLY + #endif /* _X86_CRASH_CORE_H */ diff --git a/arch/x86/include/asm/mem_encrypt.h b/arch/x86/include/asm/mem_encrypt.h index 359ada486fa9..b31eb9fd5954 100644 --- a/arch/x86/include/asm/mem_encrypt.h +++ b/arch/x86/include/asm/mem_encrypt.h @@ -15,7 +15,8 @@ #include <linux/init.h> #include <linux/cc_platform.h>

-#include <asm/bootparam.h> +#include <asm/asm.h> +struct boot_params;

#ifdef CONFIG_X86_MEM_ENCRYPT void __init mem_encrypt_init(void); @@ -58,6 +59,11 @@ void __init mem_encrypt_free_decrypted_mem(void);

void __init sev_es_init_vc_handling(void);

+static inline u64 sme_get_me_mask(void) +{ + return RIP_REL_REF(sme_me_mask); +} + #define __bss_decrypted __section(".bss..decrypted")

#else /* !CONFIG_AMD_MEM_ENCRYPT */ @@ -89,6 +95,8 @@ early_set_mem_enc_dec_hypercall(unsigned long vaddr, unsigned long size, bool en

static inline void mem_encrypt_free_decrypted_mem(void) { }

+static inline u64 sme_get_me_mask(void) { return 0; } + #define __bss_decrypted

#endif /* CONFIG_AMD_MEM_ENCRYPT */ @@ -106,11 +114,6 @@ void add_encrypt_protection_map(void);

extern char __start_bss_decrypted[], __end_bss_decrypted[], __start_bss_decrypted_unused[];

-static inline u64 sme_get_me_mask(void) -{ - return sme_me_mask; -} - #endif /* __ASSEMBLY__ */

#endif /* __X86_MEM_ENCRYPT_H__ */ diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h index d15b35815eba..4e33cc834bf8 100644 --- a/arch/x86/include/asm/nospec-branch.h +++ b/arch/x86/include/asm/nospec-branch.h @@ -271,11 +271,20 @@ .Lskip_rsb_@: .endm

+/* + * The CALL to srso_alias_untrain_ret() must be patched in directly at + * the spot where untraining must be done, ie., srso_alias_untrain_ret() + * must be the target of a CALL instruction instead of indirectly + * jumping to a wrapper which then calls it. Therefore, this macro is + * called outside of __UNTRAIN_RET below, for the time being, before the + * kernel can support nested alternatives with arbitrary nesting. + */ +.macro CALL_UNTRAIN_RET #if defined(CONFIG_CPU_UNRET_ENTRY) || defined(CONFIG_CPU_SRSO) -#define CALL_UNTRAIN_RET "call entry_untrain_ret" -#else -#define CALL_UNTRAIN_RET "" + ALTERNATIVE_2 "", "call entry_untrain_ret", X86_FEATURE_UNRET, \ + "call srso_alias_untrain_ret", X86_FEATURE_SRSO_ALIAS #endif +.endm

/* * Mitigate RETBleed for AMD/Hygon Zen uarch. Requires KERNEL CR3 because the @@ -291,8 +300,8 @@ .macro __UNTRAIN_RET ibpb_feature, call_depth_insns #if defined(CONFIG_RETHUNK) || defined(CONFIG_CPU_IBPB_ENTRY) VALIDATE_UNRET_END - ALTERNATIVE_3 "", \ - CALL_UNTRAIN_RET, X86_FEATURE_UNRET, \ + CALL_UNTRAIN_RET + ALTERNATIVE_2 "", \ "call entry_ibpb", \ibpb_feature, \ __stringify(\call_depth_insns), X86_FEATURE_CALL_DEPTH #endif @@ -351,6 +360,8 @@ extern void retbleed_return_thunk(void); static inline void retbleed_return_thunk(void) {} #endif

+extern void srso_alias_untrain_ret(void); + #ifdef CONFIG_CPU_SRSO extern void srso_return_thunk(void); extern void srso_alias_return_thunk(void); diff --git a/arch/x86/include/asm/sev.h b/arch/x86/include/asm/sev.h index 5b4a1ce3d368..36f905797075 100644 --- a/arch/x86/include/asm/sev.h +++ b/arch/x86/include/asm/sev.h @@ -203,12 +203,12 @@ void __init early_snp_set_memory_private(unsigned long vaddr, unsigned long padd unsigned long npages); void __init early_snp_set_memory_shared(unsigned long vaddr, unsigned long paddr, unsigned long npages); -void __init snp_prep_memory(unsigned long paddr, unsigned int sz, enum psc_op op); void snp_set_memory_shared(unsigned long vaddr, unsigned long npages); void snp_set_memory_private(unsigned long vaddr, unsigned long npages); void snp_set_wakeup_secondary_cpu(void); bool snp_init(struct boot_params *bp); void __init __noreturn snp_abort(void); +void snp_dmi_setup(void); int snp_issue_guest_request(u64 exit_code, struct snp_req_data *input, struct snp_guest_request_ioctl *rio); void snp_accept_memory(phys_addr_t start, phys_addr_t end); u64 snp_get_unsupported_features(u64 status); @@ -227,12 +227,12 @@ static inline void __init early_snp_set_memory_private(unsigned long vaddr, unsigned long paddr, unsigned long npages) { } static inline void __init early_snp_set_memory_shared(unsigned long vaddr, unsigned long paddr, unsigned long npages) { } -static inline void __init snp_prep_memory(unsigned long paddr, unsigned int sz, enum psc_op op) { } static inline void snp_set_memory_shared(unsigned long vaddr, unsigned long npages) { } static inline void snp_set_memory_private(unsigned long vaddr, unsigned long npages) { } static inline void snp_set_wakeup_secondary_cpu(void) { } static inline bool snp_init(struct boot_params *bp) { return false; } static inline void snp_abort(void) { } +static inline void snp_dmi_setup(void) { } static inline int snp_issue_guest_request(u64 exit_code, struct snp_req_data *input, struct snp_guest_request_ioctl *rio) { return -ENOTTY; diff --git a/arch/x86/include/asm/suspend_32.h b/arch/x86/include/asm/suspend_32.h index a800abb1a992..d8416b3bf832 100644 --- a/arch/x86/include/asm/suspend_32.h +++ b/arch/x86/include/asm/suspend_32.h @@ -12,11 +12,6 @@

/* image of the saved processor state */ struct saved_context { - /* - * On x86_32, all segment registers except gs are saved at kernel - * entry in pt_regs. - */ - u16 gs; unsigned long cr0, cr2, cr3, cr4; u64 misc_enable; struct saved_msrs saved_msrs; @@ -27,6 +22,11 @@ struct saved_context { unsigned long tr; unsigned long safety; unsigned long return_address; + /* + * On x86_32, all segment registers except gs are saved at kernel + * entry in pt_regs. + */ + u16 gs; bool misc_enable_saved; } __attribute__((packed));

diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index c878616a18b8..550dcbbbb175 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -30,12 +30,13 @@ struct x86_init_mpparse { * @reserve_resources: reserve the standard resources for the * platform * @memory_setup: platform specific memory setup - * + * @dmi_setup: platform specific DMI setup */ struct x86_init_resources { void (*probe_roms)(void); void (*reserve_resources)(void); char *(*memory_setup)(void); + void (*dmi_setup)(void); };

/** diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 2055fb308f5b..77a1ceb717d0 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -1002,11 +1002,11 @@ static bool cpu_has_zenbleed_microcode(void) u32 good_rev = 0;

switch (boot_cpu_data.x86_model) { - case 0x30 ... 0x3f: good_rev = 0x0830107a; break; - case 0x60 ... 0x67: good_rev = 0x0860010b; break; - case 0x68 ... 0x6f: good_rev = 0x08608105; break; - case 0x70 ... 0x7f: good_rev = 0x08701032; break; - case 0xa0 ... 0xaf: good_rev = 0x08a00008; break; + case 0x30 ... 0x3f: good_rev = 0x0830107b; break; + case 0x60 ... 0x67: good_rev = 0x0860010c; break; + case 0x68 ... 0x6f: good_rev = 0x08608107; break; + case 0x70 ... 0x7f: good_rev = 0x08701033; break; + case 0xa0 ... 0xaf: good_rev = 0x08a00009; break;

default: return false; diff --git a/arch/x86/kernel/eisa.c b/arch/x86/kernel/eisa.c index e963344b0449..53935b4d62e3 100644 --- a/arch/x86/kernel/eisa.c +++ b/arch/x86/kernel/eisa.c @@ -2,6 +2,7 @@ /* * EISA specific code */ +#include <linux/cc_platform.h> #include <linux/ioport.h> #include <linux/eisa.h> #include <linux/io.h> @@ -12,7 +13,7 @@ static __init int eisa_bus_probe(void) { void __iomem *p;

- if (xen_pv_domain() && !xen_initial_domain()) + if ((xen_pv_domain() && !xen_initial_domain()) || cc_platform_has(CC_ATTR_GUEST_SEV_SNP)) return 0;

p = ioremap(0x0FFFD9, 4); diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c index 117e74c44e75..33a214b1a4ce 100644 --- a/arch/x86/kernel/fpu/xstate.c +++ b/arch/x86/kernel/fpu/xstate.c @@ -178,10 +178,11 @@ void fpu__init_cpu_xstate(void) * Must happen after CR4 setup and before xsetbv() to allow KVM * lazy passthrough. Write independent of the dynamic state static * key as that does not work on the boot CPU. This also ensures - * that any stale state is wiped out from XFD. + * that any stale state is wiped out from XFD. Reset the per CPU + * xfd cache too. */ if (cpu_feature_enabled(X86_FEATURE_XFD)) - wrmsrl(MSR_IA32_XFD, init_fpstate.xfd); + xfd_set_state(init_fpstate.xfd);

/* * XCR_XFEATURE_ENABLED_MASK (aka. XCR0) sets user features diff --git a/arch/x86/kernel/fpu/xstate.h b/arch/x86/kernel/fpu/xstate.h index 3518fb26d06b..19ca623ffa2a 100644 --- a/arch/x86/kernel/fpu/xstate.h +++ b/arch/x86/kernel/fpu/xstate.h @@ -148,20 +148,26 @@ static inline void xfd_validate_state(struct fpstate *fpstate, u64 mask, bool rs #endif

#ifdef CONFIG_X86_64 +static inline void xfd_set_state(u64 xfd) +{ + wrmsrl(MSR_IA32_XFD, xfd); + __this_cpu_write(xfd_state, xfd); +} + static inline void xfd_update_state(struct fpstate *fpstate) { if (fpu_state_size_dynamic()) { u64 xfd = fpstate->xfd;

- if (__this_cpu_read(xfd_state) != xfd) { - wrmsrl(MSR_IA32_XFD, xfd); - __this_cpu_write(xfd_state, xfd); - } + if (__this_cpu_read(xfd_state) != xfd) + xfd_set_state(xfd); } }

extern int __xfd_enable_feature(u64 which, struct fpu_guest *guest_fpu); #else +static inline void xfd_set_state(u64 xfd) { } + static inline void xfd_update_state(struct fpstate *fpstate) { }

static inline int __xfd_enable_feature(u64 which, struct fpu_guest *guest_fpu) { diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index a0ce46c0a2d8..a6a3475e1d60 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -335,7 +335,16 @@ static int can_probe(unsigned long paddr) kprobe_opcode_t *arch_adjust_kprobe_addr(unsigned long addr, unsigned long offset, bool *on_func_entry) { - if (is_endbr(*(u32 *)addr)) { + u32 insn; + + /* + * Since 'addr' is not guaranteed to be safe to access, use + * copy_from_kernel_nofault() to read the instruction: + */ + if (copy_from_kernel_nofault(&insn, (void *)addr, sizeof(u32))) + return NULL; + + if (is_endbr(insn)) { *on_func_entry = !offset || offset == 4; if (*on_func_entry) offset = 4; diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index b223922248e9..15c700d35870 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -196,12 +196,12 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early) if (!smp_check_mpc(mpc, oem, str)) return 0;

- /* Initialize the lapic mapping */ - if (!acpi_lapic) - register_lapic_address(mpc->lapic); - - if (early) + if (early) { + /* Initialize the lapic mapping */ + if (!acpi_lapic) + register_lapic_address(mpc->lapic); return 1; + }

/* Now process the configuration blocks. */ while (count < mpc->length) { diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index 3082cf24b69e..6da2cfa23c29 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -636,7 +636,7 @@ void nmi_backtrace_stall_check(const struct cpumask *btp) msgp = nmi_check_stall_msg[idx]; if (nsp->idt_ignored_snap != READ_ONCE(nsp->idt_ignored) && (idx & 0x1)) modp = ", but OK because ignore_nmis was set"; - if (nmi_seq & ~0x1) + if (nmi_seq & 0x1) msghp = " (CPU currently in NMI handler function)"; else if (nsp->idt_nmi_seq_snap + 1 == nmi_seq) msghp = " (CPU exited one NMI handler function)"; diff --git a/arch/x86/kernel/probe_roms.c b/arch/x86/kernel/probe_roms.c index 319fef37d9dc..cc2c34ba7228 100644 --- a/arch/x86/kernel/probe_roms.c +++ b/arch/x86/kernel/probe_roms.c @@ -203,16 +203,6 @@ void __init probe_roms(void) unsigned char c; int i;

- /* - * The ROM memory range is not part of the e820 table and is therefore not - * pre-validated by BIOS. The kernel page table maps the ROM region as encrypted - * memory, and SNP requires encrypted memory to be validated before access. - * Do that here. - */ - snp_prep_memory(video_rom_resource.start, - ((system_rom_resource.end + 1) - video_rom_resource.start), - SNP_PAGE_STATE_PRIVATE); - /* video rom */ upper = adapter_rom_resources[0].start; for (start = video_rom_resource.start; start < upper; start += 2048) { diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 1526747bedf2..b002ebf024d3 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -9,7 +9,6 @@ #include <linux/console.h> #include <linux/crash_dump.h> #include <linux/dma-map-ops.h> -#include <linux/dmi.h> #include <linux/efi.h> #include <linux/ima.h> #include <linux/init_ohci1394_dma.h> @@ -904,7 +903,7 @@ void __init setup_arch(char **cmdline_p) efi_init();

reserve_ibft_region(); - dmi_setup(); + x86_init.resources.dmi_setup();

/* * VMware detection requires dmi to be available, so this diff --git a/arch/x86/kernel/sev-shared.c b/arch/x86/kernel/sev-shared.c index ccb0915e84e1..466fe09898cc 100644 --- a/arch/x86/kernel/sev-shared.c +++ b/arch/x86/kernel/sev-shared.c @@ -556,9 +556,9 @@ static int snp_cpuid(struct ghcb *ghcb, struct es_em_ctxt *ctxt, struct cpuid_le leaf->eax = leaf->ebx = leaf->ecx = leaf->edx = 0;

/* Skip post-processing for out-of-range zero leafs. */ - if (!(leaf->fn <= cpuid_std_range_max || - (leaf->fn >= 0x40000000 && leaf->fn <= cpuid_hyp_range_max) || - (leaf->fn >= 0x80000000 && leaf->fn <= cpuid_ext_range_max))) + if (!(leaf->fn <= RIP_REL_REF(cpuid_std_range_max) || + (leaf->fn >= 0x40000000 && leaf->fn <= RIP_REL_REF(cpuid_hyp_range_max)) || + (leaf->fn >= 0x80000000 && leaf->fn <= RIP_REL_REF(cpuid_ext_range_max)))) return 0; }

@@ -1063,11 +1063,11 @@ static void __init setup_cpuid_table(const struct cc_blob_sev_info *cc_info) const struct snp_cpuid_fn *fn = &cpuid_table->fn[i];

if (fn->eax_in == 0x0) - cpuid_std_range_max = fn->eax; + RIP_REL_REF(cpuid_std_range_max) = fn->eax; else if (fn->eax_in == 0x40000000) - cpuid_hyp_range_max = fn->eax; + RIP_REL_REF(cpuid_hyp_range_max) = fn->eax; else if (fn->eax_in == 0x80000000) - cpuid_ext_range_max = fn->eax; + RIP_REL_REF(cpuid_ext_range_max) = fn->eax; } }

diff --git a/arch/x86/kernel/sev.c b/arch/x86/kernel/sev.c index c67285824e82..0f58242b54b8 100644 --- a/arch/x86/kernel/sev.c +++ b/arch/x86/kernel/sev.c @@ -23,6 +23,7 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/psp-sev.h> +#include <linux/dmi.h> #include <uapi/linux/sev-guest.h>

#include <asm/cpu_entry_area.h> @@ -748,7 +749,7 @@ void __init early_snp_set_memory_private(unsigned long vaddr, unsigned long padd * This eliminates worries about jump tables or checking boot_cpu_data * in the cc_platform_has() function. */ - if (!(sev_status & MSR_AMD64_SEV_SNP_ENABLED)) + if (!(RIP_REL_REF(sev_status) & MSR_AMD64_SEV_SNP_ENABLED)) return;

/* @@ -767,28 +768,13 @@ void __init early_snp_set_memory_shared(unsigned long vaddr, unsigned long paddr * This eliminates worries about jump tables or checking boot_cpu_data * in the cc_platform_has() function. */ - if (!(sev_status & MSR_AMD64_SEV_SNP_ENABLED)) + if (!(RIP_REL_REF(sev_status) & MSR_AMD64_SEV_SNP_ENABLED)) return;

/* Ask hypervisor to mark the memory pages shared in the RMP table. */ early_set_pages_state(vaddr, paddr, npages, SNP_PAGE_STATE_SHARED); }

-void __init snp_prep_memory(unsigned long paddr, unsigned int sz, enum psc_op op) -{ - unsigned long vaddr, npages; - - vaddr = (unsigned long)__va(paddr); - npages = PAGE_ALIGN(sz) >> PAGE_SHIFT; - - if (op == SNP_PAGE_STATE_PRIVATE) - early_snp_set_memory_private(vaddr, paddr, npages); - else if (op == SNP_PAGE_STATE_SHARED) - early_snp_set_memory_shared(vaddr, paddr, npages); - else - WARN(1, "invalid memory op %d\n", op); -} - static unsigned long __set_pages_state(struct snp_psc_desc *data, unsigned long vaddr, unsigned long vaddr_end, int op) { @@ -2112,6 +2098,17 @@ void __init __noreturn snp_abort(void) sev_es_terminate(SEV_TERM_SET_GEN, GHCB_SNP_UNSUPPORTED); }

+/* + * SEV-SNP guests should only execute dmi_setup() if EFI_CONFIG_TABLES are + * enabled, as the alternative (fallback) logic for DMI probing in the legacy + * ROM region can cause a crash since this region is not pre-validated. + */ +void __init snp_dmi_setup(void) +{ + if (efi_enabled(EFI_CONFIG_TABLES)) + dmi_setup(); +} + static void dump_cpuid_table(void) { const struct snp_cpuid_table *cpuid_table = snp_cpuid_get_table(); diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index a37ebd3b4773..3f0718b4a7d2 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -3,6 +3,7 @@ * * For licencing details see kernel-base/COPYING */ +#include <linux/dmi.h> #include <linux/init.h> #include <linux/ioport.h> #include <linux/export.h> @@ -66,6 +67,7 @@ struct x86_init_ops x86_init __initdata = { .probe_roms = probe_roms, .reserve_resources = reserve_standard_io_resources, .memory_setup = e820__memory_setup_default, + .dmi_setup = dmi_setup, },

.mpparse = { diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index dda6fc4cfae8..1811a9ddfe1d 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -679,6 +679,11 @@ void kvm_set_cpu_caps(void) F(AMX_COMPLEX) );

+ kvm_cpu_cap_init_kvm_defined(CPUID_7_2_EDX, + F(INTEL_PSFD) | F(IPRED_CTRL) | F(RRSBA_CTRL) | F(DDPD_U) | + F(BHI_CTRL) | F(MCDT_NO) + ); + kvm_cpu_cap_mask(CPUID_D_1_EAX, F(XSAVEOPT) | F(XSAVEC) | F(XGETBV1) | F(XSAVES) | f_xfd ); @@ -960,13 +965,13 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function) break; /* function 7 has additional index. */ case 7: - entry->eax = min(entry->eax, 1u); + max_idx = entry->eax = min(entry->eax, 2u); cpuid_entry_override(entry, CPUID_7_0_EBX); cpuid_entry_override(entry, CPUID_7_ECX); cpuid_entry_override(entry, CPUID_7_EDX);

- /* KVM only supports 0x7.0 and 0x7.1, capped above via min(). */ - if (entry->eax == 1) { + /* KVM only supports up to 0x7.2, capped above via min(). */ + if (max_idx >= 1) { entry = do_host_cpuid(array, function, 1); if (!entry) goto out; @@ -976,6 +981,16 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function) entry->ebx = 0; entry->ecx = 0; } + if (max_idx >= 2) { + entry = do_host_cpuid(array, function, 2); + if (!entry) + goto out; + + cpuid_entry_override(entry, CPUID_7_2_EDX); + entry->ecx = 0; + entry->ebx = 0; + entry->eax = 0; + } break; case 0xa: { /* Architectural Performance Monitoring */ union cpuid10_eax eax; diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 238afd7335e4..4943f6b2bbee 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -2388,7 +2388,7 @@ static u16 kvm_hvcall_signal_event(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *h if (!eventfd) return HV_STATUS_INVALID_PORT_ID;

- eventfd_signal(eventfd, 1); + eventfd_signal(eventfd); return HV_STATUS_SUCCESS; }

diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 245b20973cae..23fab75993a5 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -41,6 +41,7 @@ #include "ioapic.h" #include "trace.h" #include "x86.h" +#include "xen.h" #include "cpuid.h" #include "hyperv.h" #include "smm.h" @@ -499,8 +500,10 @@ static inline void apic_set_spiv(struct kvm_lapic *apic, u32 val) }

/* Check if there are APF page ready requests pending */ - if (enabled) + if (enabled) { kvm_make_request(KVM_REQ_APF_READY, apic->vcpu); + kvm_xen_sw_enable_lapic(apic->vcpu); + } }

static inline void kvm_apic_set_xapic_id(struct kvm_lapic *apic, u8 id) diff --git a/arch/x86/kvm/reverse_cpuid.h b/arch/x86/kvm/reverse_cpuid.h index b81650678375..aadefcaa9561 100644 --- a/arch/x86/kvm/reverse_cpuid.h +++ b/arch/x86/kvm/reverse_cpuid.h @@ -16,6 +16,7 @@ enum kvm_only_cpuid_leafs { CPUID_7_1_EDX, CPUID_8000_0007_EDX, CPUID_8000_0022_EAX, + CPUID_7_2_EDX, NR_KVM_CPU_CAPS,

NKVMCAPINTS = NR_KVM_CPU_CAPS - NCAPINTS, @@ -46,6 +47,14 @@ enum kvm_only_cpuid_leafs { #define X86_FEATURE_AMX_COMPLEX KVM_X86_FEATURE(CPUID_7_1_EDX, 8) #define X86_FEATURE_PREFETCHITI KVM_X86_FEATURE(CPUID_7_1_EDX, 14)

+/* Intel-defined sub-features, CPUID level 0x00000007:2 (EDX) */ +#define X86_FEATURE_INTEL_PSFD KVM_X86_FEATURE(CPUID_7_2_EDX, 0) +#define X86_FEATURE_IPRED_CTRL KVM_X86_FEATURE(CPUID_7_2_EDX, 1) +#define KVM_X86_FEATURE_RRSBA_CTRL KVM_X86_FEATURE(CPUID_7_2_EDX, 2) +#define X86_FEATURE_DDPD_U KVM_X86_FEATURE(CPUID_7_2_EDX, 3) +#define X86_FEATURE_BHI_CTRL KVM_X86_FEATURE(CPUID_7_2_EDX, 4) +#define X86_FEATURE_MCDT_NO KVM_X86_FEATURE(CPUID_7_2_EDX, 5) + /* CPUID level 0x80000007 (EDX). */ #define KVM_X86_FEATURE_CONSTANT_TSC KVM_X86_FEATURE(CPUID_8000_0007_EDX, 8)

@@ -80,6 +89,7 @@ static const struct cpuid_reg reverse_cpuid[] = { [CPUID_8000_0007_EDX] = {0x80000007, 0, CPUID_EDX}, [CPUID_8000_0021_EAX] = {0x80000021, 0, CPUID_EAX}, [CPUID_8000_0022_EAX] = {0x80000022, 0, CPUID_EAX}, + [CPUID_7_2_EDX] = { 7, 2, CPUID_EDX}, };

/* @@ -106,18 +116,19 @@ static __always_inline void reverse_cpuid_check(unsigned int x86_leaf) */ static __always_inline u32 __feature_translate(int x86_feature) { - if (x86_feature == X86_FEATURE_SGX1) - return KVM_X86_FEATURE_SGX1; - else if (x86_feature == X86_FEATURE_SGX2) - return KVM_X86_FEATURE_SGX2; - else if (x86_feature == X86_FEATURE_SGX_EDECCSSA) - return KVM_X86_FEATURE_SGX_EDECCSSA; - else if (x86_feature == X86_FEATURE_CONSTANT_TSC) - return KVM_X86_FEATURE_CONSTANT_TSC; - else if (x86_feature == X86_FEATURE_PERFMON_V2) - return KVM_X86_FEATURE_PERFMON_V2; - - return x86_feature; +#define KVM_X86_TRANSLATE_FEATURE(f) \ + case X86_FEATURE_##f: return KVM_X86_FEATURE_##f + + switch (x86_feature) { + KVM_X86_TRANSLATE_FEATURE(SGX1); + KVM_X86_TRANSLATE_FEATURE(SGX2); + KVM_X86_TRANSLATE_FEATURE(SGX_EDECCSSA); + KVM_X86_TRANSLATE_FEATURE(CONSTANT_TSC); + KVM_X86_TRANSLATE_FEATURE(PERFMON_V2); + KVM_X86_TRANSLATE_FEATURE(RRSBA_CTRL); + default: + return x86_feature; + } }

static __always_inline u32 __feature_leaf(int x86_feature) diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 6ee925d66648..1226bb215193 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -57,7 +57,7 @@ static bool sev_es_enabled = true; module_param_named(sev_es, sev_es_enabled, bool, 0444);

/* enable/disable SEV-ES DebugSwap support */ -static bool sev_es_debug_swap_enabled = true; +static bool sev_es_debug_swap_enabled = false; module_param_named(debug_swap, sev_es_debug_swap_enabled, bool, 0444); #else #define sev_enabled false @@ -612,8 +612,11 @@ static int sev_es_sync_vmsa(struct vcpu_svm *svm) save->xss = svm->vcpu.arch.ia32_xss; save->dr6 = svm->vcpu.arch.dr6;

- if (sev_es_debug_swap_enabled) + if (sev_es_debug_swap_enabled) { save->sev_features |= SVM_SEV_FEAT_DEBUG_SWAP; + pr_warn_once("Enabling DebugSwap with KVM_SEV_ES_INIT. " + "This will not work starting with Linux 6.10\n"); + }

pr_debug("Virtual Machine Save Area (VMSA):\n"); print_hex_dump_debug("", DUMP_PREFIX_NONE, 16, 1, save, sizeof(*save), false); @@ -1975,20 +1978,22 @@ int sev_mem_enc_register_region(struct kvm *kvm, goto e_free; }

- region->uaddr = range->addr; - region->size = range->size; - - list_add_tail(&region->list, &sev->regions_list); - mutex_unlock(&kvm->lock); - /* * The guest may change the memory encryption attribute from C=0 -> C=1 * or vice versa for this memory range. Lets make sure caches are * flushed to ensure that guest data gets written into memory with - * correct C-bit. + * correct C-bit. Note, this must be done before dropping kvm->lock, + * as region and its array of pages can be freed by a different task + * once kvm->lock is released. */ sev_clflush_pages(region->pages, region->npages);

+ region->uaddr = range->addr; + region->size = range->size; + + list_add_tail(&region->list, &sev->regions_list); + mutex_unlock(&kvm->lock); + return ret;

e_free: diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 8021c62b0e7b..365caf732805 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7951,6 +7951,16 @@ static int emulator_cmpxchg_emulated(struct x86_emulate_ctxt *ctxt,

if (r < 0) return X86EMUL_UNHANDLEABLE; + + /* + * Mark the page dirty _before_ checking whether or not the CMPXCHG was + * successful, as the old value is written back on failure. Note, for + * live migration, this is unnecessarily conservative as CMPXCHG writes + * back the original value and the access is atomic, but KVM's ABI is + * that all writes are dirty logged, regardless of the value written. + */ + kvm_vcpu_mark_page_dirty(vcpu, gpa_to_gfn(gpa)); + if (r) return X86EMUL_CMPXCHG_FAILED;

diff --git a/arch/x86/kvm/xen.c b/arch/x86/kvm/xen.c index e53fad915a62..c069521f249e 100644 --- a/arch/x86/kvm/xen.c +++ b/arch/x86/kvm/xen.c @@ -493,7 +493,7 @@ void kvm_xen_update_runstate(struct kvm_vcpu *v, int state) kvm_xen_update_runstate_guest(v, state == RUNSTATE_runnable); }

-static void kvm_xen_inject_vcpu_vector(struct kvm_vcpu *v) +void kvm_xen_inject_vcpu_vector(struct kvm_vcpu *v) { struct kvm_lapic_irq irq = { }; int r; @@ -2088,7 +2088,7 @@ static bool kvm_xen_hcall_evtchn_send(struct kvm_vcpu *vcpu, u64 param, u64 *r) if (ret < 0 && ret != -ENOTCONN) return false; } else { - eventfd_signal(evtchnfd->deliver.eventfd.ctx, 1); + eventfd_signal(evtchnfd->deliver.eventfd.ctx); }

*r = 0; diff --git a/arch/x86/kvm/xen.h b/arch/x86/kvm/xen.h index f8f1fe22d090..f5841d9000ae 100644 --- a/arch/x86/kvm/xen.h +++ b/arch/x86/kvm/xen.h @@ -18,6 +18,7 @@ extern struct static_key_false_deferred kvm_xen_enabled;

int __kvm_xen_has_interrupt(struct kvm_vcpu *vcpu); void kvm_xen_inject_pending_events(struct kvm_vcpu *vcpu); +void kvm_xen_inject_vcpu_vector(struct kvm_vcpu *vcpu); int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data); int kvm_xen_vcpu_get_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data); int kvm_xen_hvm_set_attr(struct kvm *kvm, struct kvm_xen_hvm_attr *data); @@ -36,6 +37,19 @@ int kvm_xen_setup_evtchn(struct kvm *kvm, const struct kvm_irq_routing_entry *ue); void kvm_xen_update_tsc_info(struct kvm_vcpu *vcpu);

+static inline void kvm_xen_sw_enable_lapic(struct kvm_vcpu *vcpu) +{ + /* + * The local APIC is being enabled. If the per-vCPU upcall vector is + * set and the vCPU's evtchn_upcall_pending flag is set, inject the + * interrupt. + */ + if (static_branch_unlikely(&kvm_xen_enabled.key) && + vcpu->arch.xen.vcpu_info_cache.active && + vcpu->arch.xen.upcall_vector && __kvm_xen_has_interrupt(vcpu)) + kvm_xen_inject_vcpu_vector(vcpu); +} + static inline bool kvm_xen_msr_enabled(struct kvm *kvm) { return static_branch_unlikely(&kvm_xen_enabled.key) && @@ -101,6 +115,10 @@ static inline void kvm_xen_destroy_vcpu(struct kvm_vcpu *vcpu) { }

+static inline void kvm_xen_sw_enable_lapic(struct kvm_vcpu *vcpu) +{ +} + static inline bool kvm_xen_msr_enabled(struct kvm *kvm) { return false; diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S index 7b2589877d06..1e59367b4681 100644 --- a/arch/x86/lib/retpoline.S +++ b/arch/x86/lib/retpoline.S @@ -163,6 +163,7 @@ SYM_CODE_START_NOALIGN(srso_alias_untrain_ret) lfence jmp srso_alias_return_thunk SYM_FUNC_END(srso_alias_untrain_ret) +__EXPORT_THUNK(srso_alias_untrain_ret) .popsection

.pushsection .text..__x86.rethunk_safe @@ -224,10 +225,12 @@ SYM_CODE_START(srso_return_thunk) SYM_CODE_END(srso_return_thunk)

#define JMP_SRSO_UNTRAIN_RET "jmp srso_untrain_ret" -#define JMP_SRSO_ALIAS_UNTRAIN_RET "jmp srso_alias_untrain_ret" #else /* !CONFIG_CPU_SRSO */ #define JMP_SRSO_UNTRAIN_RET "ud2" -#define JMP_SRSO_ALIAS_UNTRAIN_RET "ud2" +/* Dummy for the alternative in CALL_UNTRAIN_RET. */ +SYM_CODE_START(srso_alias_untrain_ret) + RET +SYM_FUNC_END(srso_alias_untrain_ret) #endif /* CONFIG_CPU_SRSO */

#ifdef CONFIG_CPU_UNRET_ENTRY @@ -319,9 +322,7 @@ SYM_FUNC_END(retbleed_untrain_ret) #if defined(CONFIG_CPU_UNRET_ENTRY) || defined(CONFIG_CPU_SRSO)

SYM_FUNC_START(entry_untrain_ret) - ALTERNATIVE_2 JMP_RETBLEED_UNTRAIN_RET, \ - JMP_SRSO_UNTRAIN_RET, X86_FEATURE_SRSO, \ - JMP_SRSO_ALIAS_UNTRAIN_RET, X86_FEATURE_SRSO_ALIAS + ALTERNATIVE JMP_RETBLEED_UNTRAIN_RET, JMP_SRSO_UNTRAIN_RET, X86_FEATURE_SRSO SYM_FUNC_END(entry_untrain_ret) __EXPORT_THUNK(entry_untrain_ret)

diff --git a/arch/x86/mm/mem_encrypt_amd.c b/arch/x86/mm/mem_encrypt_amd.c index 70b91de2e053..94cd06d4b0af 100644 --- a/arch/x86/mm/mem_encrypt_amd.c +++ b/arch/x86/mm/mem_encrypt_amd.c @@ -492,6 +492,24 @@ void __init sme_early_init(void) */ if (sev_status & MSR_AMD64_SEV_ENABLED) ia32_disable(); + + /* + * Override init functions that scan the ROM region in SEV-SNP guests, + * as this memory is not pre-validated and would thus cause a crash. + */ + if (sev_status & MSR_AMD64_SEV_SNP_ENABLED) { + x86_init.mpparse.find_smp_config = x86_init_noop; + x86_init.pci.init_irq = x86_init_noop; + x86_init.resources.probe_roms = x86_init_noop; + + /* + * DMI setup behavior for SEV-SNP guests depends on + * efi_enabled(EFI_CONFIG_TABLES), which hasn't been + * parsed yet. snp_dmi_setup() will run after that + * parsing has happened. + */ + x86_init.resources.dmi_setup = snp_dmi_setup; + } }

void __init mem_encrypt_free_decrypted_mem(void) diff --git a/arch/x86/mm/mem_encrypt_identity.c b/arch/x86/mm/mem_encrypt_identity.c index 7f72472a34d6..0166ab1780cc 100644 --- a/arch/x86/mm/mem_encrypt_identity.c +++ b/arch/x86/mm/mem_encrypt_identity.c @@ -97,7 +97,6 @@ static char sme_workarea[2 * PMD_SIZE] __section(".init.scratch");

static char sme_cmdline_arg[] __initdata = "mem_encrypt"; static char sme_cmdline_on[] __initdata = "on"; -static char sme_cmdline_off[] __initdata = "off";

static void __init sme_clear_pgd(struct sme_populate_pgd_data *ppd) { @@ -305,7 +304,8 @@ void __init sme_encrypt_kernel(struct boot_params *bp) * instrumentation or checking boot_cpu_data in the cc_platform_has() * function. */ - if (!sme_get_me_mask() || sev_status & MSR_AMD64_SEV_ENABLED) + if (!sme_get_me_mask() || + RIP_REL_REF(sev_status) & MSR_AMD64_SEV_ENABLED) return;

/* @@ -504,7 +504,7 @@ void __init sme_encrypt_kernel(struct boot_params *bp)

void __init sme_enable(struct boot_params *bp) { - const char *cmdline_ptr, *cmdline_arg, *cmdline_on, *cmdline_off; + const char *cmdline_ptr, *cmdline_arg, *cmdline_on; unsigned int eax, ebx, ecx, edx; unsigned long feature_mask; unsigned long me_mask; @@ -542,11 +542,11 @@ void __init sme_enable(struct boot_params *bp) me_mask = 1UL << (ebx & 0x3f);

/* Check the SEV MSR whether SEV or SME is enabled */ - sev_status = __rdmsr(MSR_AMD64_SEV); - feature_mask = (sev_status & MSR_AMD64_SEV_ENABLED) ? AMD_SEV_BIT : AMD_SME_BIT; + RIP_REL_REF(sev_status) = msr = __rdmsr(MSR_AMD64_SEV); + feature_mask = (msr & MSR_AMD64_SEV_ENABLED) ? AMD_SEV_BIT : AMD_SME_BIT;

/* The SEV-SNP CC blob should never be present unless SEV-SNP is enabled. */ - if (snp && !(sev_status & MSR_AMD64_SEV_SNP_ENABLED)) + if (snp && !(msr & MSR_AMD64_SEV_SNP_ENABLED)) snp_abort();

/* Check if memory encryption is enabled */ @@ -572,7 +572,6 @@ void __init sme_enable(struct boot_params *bp) return; } else { /* SEV state cannot be controlled by a command line option */ - sme_me_mask = me_mask; goto out; }

@@ -587,28 +586,17 @@ void __init sme_enable(struct boot_params *bp) asm ("lea sme_cmdline_on(%%rip), %0" : "=r" (cmdline_on) : "p" (sme_cmdline_on)); - asm ("lea sme_cmdline_off(%%rip), %0" - : "=r" (cmdline_off) - : "p" (sme_cmdline_off)); - - if (IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT)) - sme_me_mask = me_mask;

cmdline_ptr = (const char *)((u64)bp->hdr.cmd_line_ptr | ((u64)bp->ext_cmd_line_ptr << 32));

- if (cmdline_find_option(cmdline_ptr, cmdline_arg, buffer, sizeof(buffer)) < 0) - goto out; - - if (!strncmp(buffer, cmdline_on, sizeof(buffer))) - sme_me_mask = me_mask; - else if (!strncmp(buffer, cmdline_off, sizeof(buffer))) - sme_me_mask = 0; + if (cmdline_find_option(cmdline_ptr, cmdline_arg, buffer, sizeof(buffer)) < 0 || + strncmp(buffer, cmdline_on, sizeof(buffer))) + return;

out: - if (sme_me_mask) { - physical_mask &= ~sme_me_mask; - cc_vendor = CC_VENDOR_AMD; - cc_set_mask(sme_me_mask); - } + RIP_REL_REF(sme_me_mask) = me_mask; + physical_mask &= ~me_mask; + cc_vendor = CC_VENDOR_AMD; + cc_set_mask(me_mask); } diff --git a/block/bio.c b/block/bio.c index 270f6b99926e..62419aa09d73 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1149,7 +1149,7 @@ void __bio_release_pages(struct bio *bio, bool mark_dirty)

bio_for_each_folio_all(fi, bio) { struct page *page; - size_t done = 0; + size_t nr_pages;

if (mark_dirty) { folio_lock(fi.folio); @@ -1157,10 +1157,11 @@ void __bio_release_pages(struct bio *bio, bool mark_dirty) folio_unlock(fi.folio); } page = folio_page(fi.folio, fi.offset / PAGE_SIZE); + nr_pages = (fi.offset + fi.length - 1) / PAGE_SIZE - + fi.offset / PAGE_SIZE + 1; do { bio_release_page(bio, page++); - done += PAGE_SIZE; - } while (done < fi.length); + } while (--nr_pages != 0); } } EXPORT_SYMBOL_GPL(__bio_release_pages); diff --git a/block/blk-mq.c b/block/blk-mq.c index a02d3d922c58..a71974a5e57c 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -772,16 +772,11 @@ static void req_bio_endio(struct request *rq, struct bio *bio, /* * Partial zone append completions cannot be supported as the * BIO fragments may end up not being written sequentially. - * For such case, force the completed nbytes to be equal to - * the BIO size so that bio_advance() sets the BIO remaining - * size to 0 and we end up calling bio_endio() before returning. */ - if (bio->bi_iter.bi_size != nbytes) { + if (bio->bi_iter.bi_size != nbytes) bio->bi_status = BLK_STS_IOERR; - nbytes = bio->bi_iter.bi_size; - } else { + else bio->bi_iter.bi_sector = rq->__sector; - } }

bio_advance(bio, nbytes); diff --git a/block/blk-settings.c b/block/blk-settings.c index 0046b447268f..7019b8e204d9 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -686,6 +686,10 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, t->zone_write_granularity = max(t->zone_write_granularity, b->zone_write_granularity); t->zoned = max(t->zoned, b->zoned); + if (!t->zoned) { + t->zone_write_granularity = 0; + t->max_zone_append_sectors = 0; + } return ret; } EXPORT_SYMBOL(blk_stack_limits); diff --git a/block/mq-deadline.c b/block/mq-deadline.c index f958e79277b8..02a916ba62ee 100644 --- a/block/mq-deadline.c +++ b/block/mq-deadline.c @@ -646,9 +646,8 @@ static void dd_depth_updated(struct blk_mq_hw_ctx *hctx) struct request_queue *q = hctx->queue; struct deadline_data *dd = q->elevator->elevator_data; struct blk_mq_tags *tags = hctx->sched_tags; - unsigned int shift = tags->bitmap_tags.sb.shift;

- dd->async_depth = max(1U, 3 * (1U << shift) / 4); + dd->async_depth = max(1UL, 3 * q->nr_requests / 4);

sbitmap_queue_min_shallow_depth(&tags->bitmap_tags, dd->async_depth); } diff --git a/crypto/asymmetric_keys/mscode_parser.c b/crypto/asymmetric_keys/mscode_parser.c index 05402ef8964e..8aecbe4637f3 100644 --- a/crypto/asymmetric_keys/mscode_parser.c +++ b/crypto/asymmetric_keys/mscode_parser.c @@ -75,6 +75,9 @@ int mscode_note_digest_algo(void *context, size_t hdrlen,

oid = look_up_OID(value, vlen); switch (oid) { + case OID_sha1: + ctx->digest_algo = "sha1"; + break; case OID_sha256: ctx->digest_algo = "sha256"; break; diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c index 5b08c50722d0..231ad7b3789d 100644 --- a/crypto/asymmetric_keys/pkcs7_parser.c +++ b/crypto/asymmetric_keys/pkcs7_parser.c @@ -227,6 +227,9 @@ int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen, struct pkcs7_parse_context *ctx = context;

switch (ctx->last_oid) { + case OID_sha1: + ctx->sinfo->sig->hash_algo = "sha1"; + break; case OID_sha256: ctx->sinfo->sig->hash_algo = "sha256"; break; @@ -278,6 +281,7 @@ int pkcs7_sig_note_pkey_algo(void *context, size_t hdrlen, ctx->sinfo->sig->pkey_algo = "rsa"; ctx->sinfo->sig->encoding = "pkcs1"; break; + case OID_id_ecdsa_with_sha1: case OID_id_ecdsa_with_sha224: case OID_id_ecdsa_with_sha256: case OID_id_ecdsa_with_sha384: diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c index e5f22691febd..e314fd57e6f8 100644 --- a/crypto/asymmetric_keys/public_key.c +++ b/crypto/asymmetric_keys/public_key.c @@ -115,7 +115,8 @@ software_key_determine_akcipher(const struct public_key *pkey, */ if (!hash_algo) return -EINVAL; - if (strcmp(hash_algo, "sha224") != 0 && + if (strcmp(hash_algo, "sha1") != 0 && + strcmp(hash_algo, "sha224") != 0 && strcmp(hash_algo, "sha256") != 0 && strcmp(hash_algo, "sha384") != 0 && strcmp(hash_algo, "sha512") != 0 && diff --git a/crypto/asymmetric_keys/signature.c b/crypto/asymmetric_keys/signature.c index 398983be77e8..2deff81f8af5 100644 --- a/crypto/asymmetric_keys/signature.c +++ b/crypto/asymmetric_keys/signature.c @@ -115,7 +115,7 @@ EXPORT_SYMBOL_GPL(decrypt_blob); * Sign the specified data blob using the private key specified by params->key. * The signature is wrapped in an encoding if params->encoding is specified * (eg. "pkcs1"). If the encoding needs to know the digest type, this can be - * passed through params->hash_algo (eg. "sha512"). + * passed through params->hash_algo (eg. "sha1"). * * Returns the length of the data placed in the signature buffer or an error. */ diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c index 487204d39426..bb0bffa271b5 100644 --- a/crypto/asymmetric_keys/x509_cert_parser.c +++ b/crypto/asymmetric_keys/x509_cert_parser.c @@ -198,6 +198,10 @@ int x509_note_sig_algo(void *context, size_t hdrlen, unsigned char tag, default: return -ENOPKG; /* Unsupported combination */

+ case OID_sha1WithRSAEncryption: + ctx->cert->sig->hash_algo = "sha1"; + goto rsa_pkcs1; + case OID_sha256WithRSAEncryption: ctx->cert->sig->hash_algo = "sha256"; goto rsa_pkcs1; @@ -214,6 +218,10 @@ int x509_note_sig_algo(void *context, size_t hdrlen, unsigned char tag, ctx->cert->sig->hash_algo = "sha224"; goto rsa_pkcs1;

+ case OID_id_ecdsa_with_sha1: + ctx->cert->sig->hash_algo = "sha1"; + goto ecdsa; + case OID_id_rsassa_pkcs1_v1_5_with_sha3_256: ctx->cert->sig->hash_algo = "sha3-256"; goto rsa_pkcs1; diff --git a/crypto/testmgr.h b/crypto/testmgr.h index d7e98397549b..0cd6e0600255 100644 --- a/crypto/testmgr.h +++ b/crypto/testmgr.h @@ -653,6 +653,30 @@ static const struct akcipher_testvec rsa_tv_template[] = { static const struct akcipher_testvec ecdsa_nist_p192_tv_template[] = { { .key = + "\x04\xf7\x46\xf8\x2f\x15\xf6\x22\x8e\xd7\x57\x4f\xcc\xe7\xbb\xc1" + "\xd4\x09\x73\xcf\xea\xd0\x15\x07\x3d\xa5\x8a\x8a\x95\x43\xe4\x68" + "\xea\xc6\x25\xc1\xc1\x01\x25\x4c\x7e\xc3\x3c\xa6\x04\x0a\xe7\x08" + "\x98", + .key_len = 49, + .params = + "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48" + "\xce\x3d\x03\x01\x01", + .param_len = 21, + .m = + "\xcd\xb9\xd2\x1c\xb7\x6f\xcd\x44\xb3\xfd\x63\xea\xa3\x66\x7f\xae" + "\x63\x85\xe7\x82", + .m_size = 20, + .algo = OID_id_ecdsa_with_sha1, + .c = + "\x30\x35\x02\x19\x00\xba\xe5\x93\x83\x6e\xb6\x3b\x63\xa0\x27\x91" + "\xc6\xf6\x7f\xc3\x09\xad\x59\xad\x88\x27\xd6\x92\x6b\x02\x18\x10" + "\x68\x01\x9d\xba\xce\x83\x08\xef\x95\x52\x7b\xa0\x0f\xe4\x18\x86" + "\x80\x6f\xa5\x79\x77\xda\xd0", + .c_size = 55, + .public_key_vec = true, + .siggen_sigver_test = true, + }, { + .key = "\x04\xb6\x4b\xb1\xd1\xac\xba\x24\x8f\x65\xb2\x60\x00\x90\xbf\xbd" "\x78\x05\x73\xe9\x79\x1d\x6f\x7c\x0b\xd2\xc3\x93\xa7\x28\xe1\x75" "\xf7\xd5\x95\x1d\x28\x10\xc0\x75\x50\x5c\x1a\x4f\x3f\x8f\xa5\xee" @@ -756,6 +780,32 @@ static const struct akcipher_testvec ecdsa_nist_p192_tv_template[] = { static const struct akcipher_testvec ecdsa_nist_p256_tv_template[] = { { .key = + "\x04\xb9\x7b\xbb\xd7\x17\x64\xd2\x7e\xfc\x81\x5d\x87\x06\x83\x41" + "\x22\xd6\x9a\xaa\x87\x17\xec\x4f\x63\x55\x2f\x94\xba\xdd\x83\xe9" + "\x34\x4b\xf3\xe9\x91\x13\x50\xb6\xcb\xca\x62\x08\xe7\x3b\x09\xdc" + "\xc3\x63\x4b\x2d\xb9\x73\x53\xe4\x45\xe6\x7c\xad\xe7\x6b\xb0\xe8" + "\xaf", + .key_len = 65, + .params = + "\x30\x13\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x08\x2a\x86\x48" + "\xce\x3d\x03\x01\x07", + .param_len = 21, + .m = + "\xc2\x2b\x5f\x91\x78\x34\x26\x09\x42\x8d\x6f\x51\xb2\xc5\xaf\x4c" + "\x0b\xde\x6a\x42", + .m_size = 20, + .algo = OID_id_ecdsa_with_sha1, + .c = + "\x30\x46\x02\x21\x00\xf9\x25\xce\x9f\x3a\xa6\x35\x81\xcf\xd4\xe7" + "\xb7\xf0\x82\x56\x41\xf7\xd4\xad\x8d\x94\x5a\x69\x89\xee\xca\x6a" + "\x52\x0e\x48\x4d\xcc\x02\x21\x00\xd7\xe4\xef\x52\x66\xd3\x5b\x9d" + "\x8a\xfa\x54\x93\x29\xa7\x70\x86\xf1\x03\x03\xf3\x3b\xe2\x73\xf7" + "\xfb\x9d\x8b\xde\xd4\x8d\x6f\xad", + .c_size = 72, + .public_key_vec = true, + .siggen_sigver_test = true, + }, { + .key = "\x04\x8b\x6d\xc0\x33\x8e\x2d\x8b\x67\xf5\xeb\xc4\x7f\xa0\xf5\xd9" "\x7b\x03\xa5\x78\x9a\xb5\xea\x14\xe4\x23\xd0\xaf\xd7\x0e\x2e\xa0" "\xc9\x8b\xdb\x95\xf8\xb3\xaf\xac\x00\x2c\x2c\x1f\x7a\xfd\x95\x88" @@ -866,6 +916,36 @@ static const struct akcipher_testvec ecdsa_nist_p256_tv_template[] = {

static const struct akcipher_testvec ecdsa_nist_p384_tv_template[] = { { + .key = /* secp384r1(sha1) */ + "\x04\x89\x25\xf3\x97\x88\xcb\xb0\x78\xc5\x72\x9a\x14\x6e\x7a\xb1" + "\x5a\xa5\x24\xf1\x95\x06\x9e\x28\xfb\xc4\xb9\xbe\x5a\x0d\xd9\x9f" + "\xf3\xd1\x4d\x2d\x07\x99\xbd\xda\xa7\x66\xec\xbb\xea\xba\x79\x42" + "\xc9\x34\x89\x6a\xe7\x0b\xc3\xf2\xfe\x32\x30\xbe\xba\xf9\xdf\x7e" + "\x4b\x6a\x07\x8e\x26\x66\x3f\x1d\xec\xa2\x57\x91\x51\xdd\x17\x0e" + "\x0b\x25\xd6\x80\x5c\x3b\xe6\x1a\x98\x48\x91\x45\x7a\x73\xb0\xc3" + "\xf1", + .key_len = 97, + .params = + "\x30\x10\x06\x07\x2a\x86\x48\xce\x3d\x02\x01\x06\x05\x2b\x81\x04" + "\x00\x22", + .param_len = 18, + .m = + "\x12\x55\x28\xf0\x77\xd5\xb6\x21\x71\x32\x48\xcd\x28\xa8\x25\x22" + "\x3a\x69\xc1\x93", + .m_size = 20, + .algo = OID_id_ecdsa_with_sha1, + .c = + "\x30\x66\x02\x31\x00\xf5\x0f\x24\x4c\x07\x93\x6f\x21\x57\x55\x07" + "\x20\x43\x30\xde\xa0\x8d\x26\x8e\xae\x63\x3f\xbc\x20\x3a\xc6\xf1" + "\x32\x3c\xce\x70\x2b\x78\xf1\x4c\x26\xe6\x5b\x86\xcf\xec\x7c\x7e" + "\xd0\x87\xd7\xd7\x6e\x02\x31\x00\xcd\xbb\x7e\x81\x5d\x8f\x63\xc0" + "\x5f\x63\xb1\xbe\x5e\x4c\x0e\xa1\xdf\x28\x8c\x1b\xfa\xf9\x95\x88" + "\x74\xa0\x0f\xbf\xaf\xc3\x36\x76\x4a\xa1\x59\xf1\x1c\xa4\x58\x26" + "\x79\x12\x2a\xb7\xc5\x15\x92\xc5", + .c_size = 104, + .public_key_vec = true, + .siggen_sigver_test = true, + }, { .key = /* secp384r1(sha224) */ "\x04\x69\x6c\xcf\x62\xee\xd0\x0d\xe5\xb5\x2f\x70\x54\xcf\x26\xa0" "\xd9\x98\x8d\x92\x2a\xab\x9b\x11\xcb\x48\x18\xa1\xa9\x0d\xd5\x18" diff --git a/drivers/accel/habanalabs/common/device.c b/drivers/accel/habanalabs/common/device.c index 9290d4374551..83821e175753 100644 --- a/drivers/accel/habanalabs/common/device.c +++ b/drivers/accel/habanalabs/common/device.c @@ -2047,7 +2047,7 @@ static void hl_notifier_event_send(struct hl_notifier_event *notifier_event, u64 notifier_event->events_mask |= event_mask;

if (notifier_event->eventfd) - eventfd_signal(notifier_event->eventfd, 1); + eventfd_signal(notifier_event->eventfd);

mutex_unlock(&notifier_event->lock); } diff --git a/drivers/accessibility/speakup/synth.c b/drivers/accessibility/speakup/synth.c index eea2a2fa4f01..45f906103133 100644 --- a/drivers/accessibility/speakup/synth.c +++ b/drivers/accessibility/speakup/synth.c @@ -208,8 +208,10 @@ void spk_do_flush(void) wake_up_process(speakup_task); }

-void synth_write(const char *buf, size_t count) +void synth_write(const char *_buf, size_t count) { + const unsigned char *buf = (const unsigned char *) _buf; + while (count--) synth_buffer_add(*buf++); synth_start(); diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index da2e74fce2d9..df3fd6474bf2 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -671,11 +671,6 @@ MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets"); static void ahci_pci_save_initial_config(struct pci_dev *pdev, struct ahci_host_priv *hpriv) { - if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && pdev->device == 0x1166) { - dev_info(&pdev->dev, "ASM1166 has only six ports\n"); - hpriv->saved_port_map = 0x3f; - } - if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) { dev_info(&pdev->dev, "JMB361 has only one port\n"); hpriv->saved_port_map = 1; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index b0d6e69c4a5b..214b935c2ced 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -712,8 +712,10 @@ void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap) ehc->saved_ncq_enabled |= 1 << devno;

/* If we are resuming, wake up the device */ - if (ap->pflags & ATA_PFLAG_RESUMING) + if (ap->pflags & ATA_PFLAG_RESUMING) { + dev->flags |= ATA_DFLAG_RESUMING; ehc->i.dev_action[devno] |= ATA_EH_SET_ACTIVE; + } } }

@@ -3169,6 +3171,7 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link, return 0;

err: + dev->flags &= ~ATA_DFLAG_RESUMING; *r_failed_dev = dev; return rc; } diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 0a0f483124c3..2f4c58837641 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -4730,6 +4730,7 @@ void ata_scsi_dev_rescan(struct work_struct *work) struct ata_link *link; struct ata_device *dev; unsigned long flags; + bool do_resume; int ret = 0;

mutex_lock(&ap->scsi_scan_mutex); @@ -4751,7 +4752,15 @@ void ata_scsi_dev_rescan(struct work_struct *work) if (scsi_device_get(sdev)) continue;

+ do_resume = dev->flags & ATA_DFLAG_RESUMING; + spin_unlock_irqrestore(ap->lock, flags); + if (do_resume) { + ret = scsi_resume_device(sdev); + if (ret == -EWOULDBLOCK) + goto unlock; + dev->flags &= ~ATA_DFLAG_RESUMING; + } ret = scsi_rescan_device(sdev); scsi_device_put(sdev); spin_lock_irqsave(ap->lock, flags); diff --git a/drivers/base/power/wakeirq.c b/drivers/base/power/wakeirq.c index 42171f766dcb..5a5a9e978e85 100644 --- a/drivers/base/power/wakeirq.c +++ b/drivers/base/power/wakeirq.c @@ -313,8 +313,10 @@ void dev_pm_enable_wake_irq_complete(struct device *dev) return;

if (wirq->status & WAKE_IRQ_DEDICATED_MANAGED && - wirq->status & WAKE_IRQ_DEDICATED_REVERSE) + wirq->status & WAKE_IRQ_DEDICATED_REVERSE) { enable_irq(wirq->irq); + wirq->status |= WAKE_IRQ_DEDICATED_ENABLED; + } }

/** diff --git a/drivers/bluetooth/btnxpuart.c b/drivers/bluetooth/btnxpuart.c index 951fe3014a3f..abccd571cf3e 100644 --- a/drivers/bluetooth/btnxpuart.c +++ b/drivers/bluetooth/btnxpuart.c @@ -1234,6 +1234,9 @@ static int btnxpuart_close(struct hci_dev *hdev)

ps_wakeup(nxpdev); serdev_device_close(nxpdev->serdev); + skb_queue_purge(&nxpdev->txq); + kfree_skb(nxpdev->rx_skb); + nxpdev->rx_skb = NULL; clear_bit(BTNXPUART_SERDEV_OPEN, &nxpdev->tx_state); return 0; } diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index 1b350412d8a6..64c875657687 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -919,8 +919,6 @@ static int tpm_tis_probe_irq_single(struct tpm_chip *chip, u32 intmask, int rc; u32 int_status;

- INIT_WORK(&priv->free_irq_work, tpm_tis_free_irq_func); - rc = devm_request_threaded_irq(chip->dev.parent, irq, NULL, tis_int_handler, IRQF_ONESHOT | flags, dev_name(&chip->dev), chip); @@ -1132,6 +1130,7 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq, priv->phy_ops = phy_ops; priv->locality_count = 0; mutex_init(&priv->locality_count_mutex); + INIT_WORK(&priv->free_irq_work, tpm_tis_free_irq_func);

dev_set_drvdata(&chip->dev, priv);

diff --git a/drivers/clk/qcom/gcc-ipq5018.c b/drivers/clk/qcom/gcc-ipq5018.c index e2bd54826a4c..c1732d70e3a2 100644 --- a/drivers/clk/qcom/gcc-ipq5018.c +++ b/drivers/clk/qcom/gcc-ipq5018.c @@ -857,6 +857,7 @@ static struct clk_rcg2 lpass_sway_clk_src = {

static const struct freq_tbl ftbl_pcie0_aux_clk_src[] = { F(2000000, P_XO, 12, 0, 0), + { } };

static struct clk_rcg2 pcie0_aux_clk_src = { @@ -1099,6 +1100,7 @@ static const struct freq_tbl ftbl_qpic_io_macro_clk_src[] = { F(100000000, P_GPLL0, 8, 0, 0), F(200000000, P_GPLL0, 4, 0, 0), F(320000000, P_GPLL0, 2.5, 0, 0), + { } };

static struct clk_rcg2 qpic_io_macro_clk_src = { @@ -1194,6 +1196,7 @@ static struct clk_rcg2 ubi0_axi_clk_src = { static const struct freq_tbl ftbl_ubi0_core_clk_src[] = { F(850000000, P_UBI32_PLL, 1, 0, 0), F(1000000000, P_UBI32_PLL, 1, 0, 0), + { } };

static struct clk_rcg2 ubi0_core_clk_src = { diff --git a/drivers/clk/qcom/gcc-ipq6018.c b/drivers/clk/qcom/gcc-ipq6018.c index b366912cd648..ef1e2ce4804d 100644 --- a/drivers/clk/qcom/gcc-ipq6018.c +++ b/drivers/clk/qcom/gcc-ipq6018.c @@ -1554,6 +1554,7 @@ static struct clk_regmap_div nss_ubi0_div_clk_src = {

static const struct freq_tbl ftbl_pcie_aux_clk_src[] = { F(24000000, P_XO, 1, 0, 0), + { } };

static const struct clk_parent_data gcc_xo_gpll0_core_pi_sleep_clk[] = { @@ -1734,6 +1735,7 @@ static const struct freq_tbl ftbl_sdcc_ice_core_clk_src[] = { F(160000000, P_GPLL0, 5, 0, 0), F(216000000, P_GPLL6, 5, 0, 0), F(308570000, P_GPLL6, 3.5, 0, 0), + { } };

static const struct clk_parent_data gcc_xo_gpll0_gpll6_gpll0_div2[] = { diff --git a/drivers/clk/qcom/gcc-ipq8074.c b/drivers/clk/qcom/gcc-ipq8074.c index b7faf12a511a..7bc679871f32 100644 --- a/drivers/clk/qcom/gcc-ipq8074.c +++ b/drivers/clk/qcom/gcc-ipq8074.c @@ -644,6 +644,7 @@ static struct clk_rcg2 pcie0_axi_clk_src = {

static const struct freq_tbl ftbl_pcie_aux_clk_src[] = { F(19200000, P_XO, 1, 0, 0), + { } };

static const struct clk_parent_data gcc_xo_gpll0_sleep_clk[] = { @@ -795,6 +796,7 @@ static const struct freq_tbl ftbl_sdcc_ice_core_clk_src[] = { F(19200000, P_XO, 1, 0, 0), F(160000000, P_GPLL0, 5, 0, 0), F(308570000, P_GPLL6, 3.5, 0, 0), + { } };

static const struct clk_parent_data gcc_xo_gpll0_gpll6_gpll0_div2[] = { diff --git a/drivers/clk/qcom/gcc-ipq9574.c b/drivers/clk/qcom/gcc-ipq9574.c index e8190108e1ae..0a3f846695b8 100644 --- a/drivers/clk/qcom/gcc-ipq9574.c +++ b/drivers/clk/qcom/gcc-ipq9574.c @@ -2082,6 +2082,7 @@ static struct clk_branch gcc_sdcc1_apps_clk = { static const struct freq_tbl ftbl_sdcc_ice_core_clk_src[] = { F(150000000, P_GPLL4, 8, 0, 0), F(300000000, P_GPLL4, 4, 0, 0), + { } };

static struct clk_rcg2 sdcc1_ice_core_clk_src = { diff --git a/drivers/clk/qcom/gcc-sdm845.c b/drivers/clk/qcom/gcc-sdm845.c index 725cd52d2398..ea4c3bf4fb9b 100644 --- a/drivers/clk/qcom/gcc-sdm845.c +++ b/drivers/clk/qcom/gcc-sdm845.c @@ -4037,3 +4037,4 @@ module_exit(gcc_sdm845_exit); MODULE_DESCRIPTION("QTI GCC SDM845 Driver"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:gcc-sdm845"); +MODULE_SOFTDEP("pre: rpmhpd"); diff --git a/drivers/clk/qcom/mmcc-apq8084.c b/drivers/clk/qcom/mmcc-apq8084.c index 02fc21208dd1..c89700ab93f9 100644 --- a/drivers/clk/qcom/mmcc-apq8084.c +++ b/drivers/clk/qcom/mmcc-apq8084.c @@ -348,6 +348,7 @@ static struct freq_tbl ftbl_mmss_axi_clk[] = { F(333430000, P_MMPLL1, 3.5, 0, 0), F(400000000, P_MMPLL0, 2, 0, 0), F(466800000, P_MMPLL1, 2.5, 0, 0), + { } };

static struct clk_rcg2 mmss_axi_clk_src = { @@ -372,6 +373,7 @@ static struct freq_tbl ftbl_ocmemnoc_clk[] = { F(150000000, P_GPLL0, 4, 0, 0), F(228570000, P_MMPLL0, 3.5, 0, 0), F(320000000, P_MMPLL0, 2.5, 0, 0), + { } };

static struct clk_rcg2 ocmemnoc_clk_src = { diff --git a/drivers/clk/qcom/mmcc-msm8974.c b/drivers/clk/qcom/mmcc-msm8974.c index a31f6cf0c4e0..36f460b78be2 100644 --- a/drivers/clk/qcom/mmcc-msm8974.c +++ b/drivers/clk/qcom/mmcc-msm8974.c @@ -290,6 +290,7 @@ static struct freq_tbl ftbl_mmss_axi_clk[] = { F(291750000, P_MMPLL1, 4, 0, 0), F(400000000, P_MMPLL0, 2, 0, 0), F(466800000, P_MMPLL1, 2.5, 0, 0), + { } };

static struct clk_rcg2 mmss_axi_clk_src = { @@ -314,6 +315,7 @@ static struct freq_tbl ftbl_ocmemnoc_clk[] = { F(150000000, P_GPLL0, 4, 0, 0), F(291750000, P_MMPLL1, 4, 0, 0), F(400000000, P_MMPLL0, 2, 0, 0), + { } };

static struct clk_rcg2 ocmemnoc_clk_src = { diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c index 44a61dc6f932..e1c773bb5535 100644 --- a/drivers/clocksource/arm_global_timer.c +++ b/drivers/clocksource/arm_global_timer.c @@ -32,7 +32,7 @@ #define GT_CONTROL_IRQ_ENABLE BIT(2) /* banked */ #define GT_CONTROL_AUTO_INC BIT(3) /* banked */ #define GT_CONTROL_PRESCALER_SHIFT 8 -#define GT_CONTROL_PRESCALER_MAX 0xF +#define GT_CONTROL_PRESCALER_MAX 0xFF #define GT_CONTROL_PRESCALER_MASK (GT_CONTROL_PRESCALER_MAX << \ GT_CONTROL_PRESCALER_SHIFT)

diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c index 57857c0dfba9..1c732479a2c8 100644 --- a/drivers/clocksource/timer-riscv.c +++ b/drivers/clocksource/timer-riscv.c @@ -101,6 +101,9 @@ static int riscv_timer_starting_cpu(unsigned int cpu) { struct clock_event_device *ce = per_cpu_ptr(&riscv_clock_event, cpu);

+ /* Clear timer interrupt */ + riscv_clock_event_stop(); + ce->cpumask = cpumask_of(cpu); ce->irq = riscv_clock_event_irq; if (riscv_timer_cannot_wake_cpu) diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 1791d37fbc53..07f341995439 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -570,7 +570,7 @@ static void amd_pstate_adjust_perf(unsigned int cpu, if (target_perf < capacity) des_perf = DIV_ROUND_UP(cap_perf * target_perf, capacity);

- min_perf = READ_ONCE(cpudata->highest_perf); + min_perf = READ_ONCE(cpudata->lowest_perf); if (_min_perf < capacity) min_perf = DIV_ROUND_UP(cap_perf * _min_perf, capacity);

diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index 8bd6e5e8f121..2d83bbc65dd0 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -208,7 +208,7 @@ static int dt_cpufreq_early_init(struct device *dev, int cpu) if (!priv) return -ENOMEM;

- if (!alloc_cpumask_var(&priv->cpus, GFP_KERNEL)) + if (!zalloc_cpumask_var(&priv->cpus, GFP_KERNEL)) return -ENOMEM;

cpumask_set_cpu(cpu, priv->cpus); diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c index 8d4c42863a62..d2cf9619018b 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c @@ -299,22 +299,6 @@ static int sun8i_ce_cipher_prepare(struct crypto_engine *engine, void *async_req return err; }

-static void sun8i_ce_cipher_run(struct crypto_engine *engine, void *areq) -{ - struct skcipher_request *breq = container_of(areq, struct skcipher_request, base); - struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(breq); - struct sun8i_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm); - struct sun8i_ce_dev *ce = op->ce; - struct sun8i_cipher_req_ctx *rctx = skcipher_request_ctx(breq); - int flow, err; - - flow = rctx->flow; - err = sun8i_ce_run_task(ce, flow, crypto_tfm_alg_name(breq->base.tfm)); - local_bh_disable(); - crypto_finalize_skcipher_request(engine, breq, err); - local_bh_enable(); -} - static void sun8i_ce_cipher_unprepare(struct crypto_engine *engine, void *async_req) { @@ -360,6 +344,23 @@ static void sun8i_ce_cipher_unprepare(struct crypto_engine *engine, dma_unmap_single(ce->dev, rctx->addr_key, op->keylen, DMA_TO_DEVICE); }

+static void sun8i_ce_cipher_run(struct crypto_engine *engine, void *areq) +{ + struct skcipher_request *breq = container_of(areq, struct skcipher_request, base); + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(breq); + struct sun8i_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm); + struct sun8i_ce_dev *ce = op->ce; + struct sun8i_cipher_req_ctx *rctx = skcipher_request_ctx(breq); + int flow, err; + + flow = rctx->flow; + err = sun8i_ce_run_task(ce, flow, crypto_tfm_alg_name(breq->base.tfm)); + sun8i_ce_cipher_unprepare(engine, areq); + local_bh_disable(); + crypto_finalize_skcipher_request(engine, breq, err); + local_bh_enable(); +} + int sun8i_ce_cipher_do_one(struct crypto_engine *engine, void *areq) { int err = sun8i_ce_cipher_prepare(engine, areq); @@ -368,7 +369,6 @@ int sun8i_ce_cipher_do_one(struct crypto_engine *engine, void *areq) return err;

sun8i_ce_cipher_run(engine, areq); - sun8i_ce_cipher_unprepare(engine, areq); return 0; }

diff --git a/drivers/crypto/intel/qat/qat_common/adf_aer.c b/drivers/crypto/intel/qat/qat_common/adf_aer.c index a39e70bd4b21..621d14ea3b81 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_aer.c +++ b/drivers/crypto/intel/qat/qat_common/adf_aer.c @@ -92,7 +92,8 @@ static void adf_device_reset_worker(struct work_struct *work) if (adf_dev_restart(accel_dev)) { /* The device hanged and we can't restart it so stop here */ dev_err(&GET_DEV(accel_dev), "Restart device failed\n"); - if (reset_data->mode == ADF_DEV_RESET_ASYNC) + if (reset_data->mode == ADF_DEV_RESET_ASYNC || + completion_done(&reset_data->compl)) kfree(reset_data); WARN(1, "QAT: device restart failed. Device is unusable\n"); return; @@ -100,11 +101,19 @@ static void adf_device_reset_worker(struct work_struct *work) adf_dev_restarted_notify(accel_dev); clear_bit(ADF_STATUS_RESTARTING, &accel_dev->status);

- /* The dev is back alive. Notify the caller if in sync mode */ - if (reset_data->mode == ADF_DEV_RESET_SYNC) - complete(&reset_data->compl); - else + /* + * The dev is back alive. Notify the caller if in sync mode + * + * If device restart will take a more time than expected, + * the schedule_reset() function can timeout and exit. This can be + * detected by calling the completion_done() function. In this case + * the reset_data structure needs to be freed here. + */ + if (reset_data->mode == ADF_DEV_RESET_ASYNC || + completion_done(&reset_data->compl)) kfree(reset_data); + else + complete(&reset_data->compl); }

static int adf_dev_aer_schedule_reset(struct adf_accel_dev *accel_dev, @@ -137,8 +146,9 @@ static int adf_dev_aer_schedule_reset(struct adf_accel_dev *accel_dev, dev_err(&GET_DEV(accel_dev), "Reset device timeout expired\n"); ret = -EFAULT; + } else { + kfree(reset_data); } - kfree(reset_data); return ret; } return 0; diff --git a/drivers/crypto/intel/qat/qat_common/adf_rl.c b/drivers/crypto/intel/qat/qat_common/adf_rl.c index de1b214dba1f..d4f2db3c53d8 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_rl.c +++ b/drivers/crypto/intel/qat/qat_common/adf_rl.c @@ -788,6 +788,24 @@ static void clear_sla(struct adf_rl *rl_data, struct rl_sla *sla) sla_type_arr[node_id] = NULL; }

+static void free_all_sla(struct adf_accel_dev *accel_dev) +{ + struct adf_rl *rl_data = accel_dev->rate_limiting; + int sla_id; + + mutex_lock(&rl_data->rl_lock); + + for (sla_id = 0; sla_id < RL_NODES_CNT_MAX; sla_id++) { + if (!rl_data->sla[sla_id]) + continue; + + kfree(rl_data->sla[sla_id]); + rl_data->sla[sla_id] = NULL; + } + + mutex_unlock(&rl_data->rl_lock); +} + /** * add_update_sla() - handles the creation and the update of an SLA * @accel_dev: pointer to acceleration device structure @@ -1155,7 +1173,7 @@ void adf_rl_stop(struct adf_accel_dev *accel_dev) return;

adf_sysfs_rl_rm(accel_dev); - adf_rl_remove_sla_all(accel_dev, true); + free_all_sla(accel_dev); }

void adf_rl_exit(struct adf_accel_dev *accel_dev) diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c index 1b13b4aa16ec..a235e6c300f1 100644 --- a/drivers/crypto/rockchip/rk3288_crypto_ahash.c +++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c @@ -332,12 +332,12 @@ static int rk_hash_run(struct crypto_engine *engine, void *breq) theend: pm_runtime_put_autosuspend(rkc->dev);

+ rk_hash_unprepare(engine, breq); + local_bh_disable(); crypto_finalize_hash_request(engine, breq, err); local_bh_enable();

- rk_hash_unprepare(engine, breq); - return 0; }

diff --git a/drivers/cxl/core/trace.h b/drivers/cxl/core/trace.h index a0b5819bc70b..f01d0709c9c3 100644 --- a/drivers/cxl/core/trace.h +++ b/drivers/cxl/core/trace.h @@ -642,18 +642,18 @@ u64 cxl_trace_hpa(struct cxl_region *cxlr, struct cxl_memdev *memdev, u64 dpa);

TRACE_EVENT(cxl_poison,

- TP_PROTO(struct cxl_memdev *cxlmd, struct cxl_region *region, + TP_PROTO(struct cxl_memdev *cxlmd, struct cxl_region *cxlr, const struct cxl_poison_record *record, u8 flags, __le64 overflow_ts, enum cxl_poison_trace_type trace_type),

- TP_ARGS(cxlmd, region, record, flags, overflow_ts, trace_type), + TP_ARGS(cxlmd, cxlr, record, flags, overflow_ts, trace_type),

TP_STRUCT__entry( __string(memdev, dev_name(&cxlmd->dev)) __string(host, dev_name(cxlmd->dev.parent)) __field(u64, serial) __field(u8, trace_type) - __string(region, region) + __string(region, cxlr ? dev_name(&cxlr->dev) : "") __field(u64, overflow_ts) __field(u64, hpa) __field(u64, dpa) @@ -673,10 +673,10 @@ TRACE_EVENT(cxl_poison, __entry->source = cxl_poison_record_source(record); __entry->trace_type = trace_type; __entry->flags = flags; - if (region) { - __assign_str(region, dev_name(&region->dev)); - memcpy(__entry->uuid, &region->params.uuid, 16); - __entry->hpa = cxl_trace_hpa(region, cxlmd, + if (cxlr) { + __assign_str(region, dev_name(&cxlr->dev)); + memcpy(__entry->uuid, &cxlr->params.uuid, 16); + __entry->hpa = cxl_trace_hpa(cxlr, cxlmd, __entry->dpa); } else { __assign_str(region, ""); diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 9db9290c3269..7bc71f4be64a 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -3773,6 +3773,7 @@ static int pci_probe(struct pci_dev *dev, return 0;

fail_msi: + devm_free_irq(&dev->dev, dev->irq, ohci); pci_disable_msi(dev);

return err; @@ -3800,6 +3801,7 @@ static void pci_remove(struct pci_dev *dev)

software_reset(ohci);

+ devm_free_irq(&dev->dev, dev->irq, ohci); pci_disable_msi(dev);

dev_notice(&dev->dev, "removing fw-ohci device\n"); diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 9d3910d1abe1..abdfcb5aa470 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -199,6 +199,8 @@ static bool generic_ops_supported(void)

name_size = sizeof(name);

+ if (!efi.get_next_variable) + return false; status = efi.get_next_variable(&name_size, &name, &guid); if (status == EFI_UNSUPPORTED) return false; diff --git a/drivers/firmware/efi/libstub/randomalloc.c b/drivers/firmware/efi/libstub/randomalloc.c index 4e96a855fdf4..c41e7b2091cd 100644 --- a/drivers/firmware/efi/libstub/randomalloc.c +++ b/drivers/firmware/efi/libstub/randomalloc.c @@ -120,7 +120,7 @@ efi_status_t efi_random_alloc(unsigned long size, continue; }

- target = round_up(md->phys_addr, align) + target_slot * align; + target = round_up(max_t(u64, md->phys_addr, alloc_min), align) + target_slot * align; pages = size / EFI_PAGE_SIZE;

status = efi_bs_call(allocate_pages, EFI_ALLOCATE_ADDRESS, diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c index c9857ee3880c..dd80082aac1a 100644 --- a/drivers/firmware/efi/libstub/x86-stub.c +++ b/drivers/firmware/efi/libstub/x86-stub.c @@ -487,6 +487,7 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle, hdr->vid_mode = 0xffff;

hdr->type_of_loader = 0x21; + hdr->initrd_addr_max = INT_MAX;

/* Convert unicode cmdline to ascii */ cmdline_ptr = efi_convert_cmdline(image, &options_size); diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c index dd7a783d53b5..e73f88050f08 100644 --- a/drivers/fpga/dfl.c +++ b/drivers/fpga/dfl.c @@ -1872,7 +1872,7 @@ static irqreturn_t dfl_irq_handler(int irq, void *arg) { struct eventfd_ctx *trigger = arg;

- eventfd_signal(trigger, 1); + eventfd_signal(trigger); return IRQ_HANDLED; }

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 31d4b5a2c5e8..13c62a26aa19 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -198,6 +198,7 @@ extern uint amdgpu_dc_debug_mask; extern uint amdgpu_dc_visual_confirm; extern uint amdgpu_dm_abm_level; extern int amdgpu_backlight; +extern int amdgpu_damage_clips; extern struct amdgpu_mgpu_info mgpu_info; extern int amdgpu_ras_enable; extern uint amdgpu_ras_mask; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 10c4a8cfa18a..855ab596323c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -209,6 +209,7 @@ int amdgpu_umsch_mm; int amdgpu_seamless = -1; /* auto */ uint amdgpu_debug_mask; int amdgpu_agp = -1; /* auto */ +int amdgpu_damage_clips = -1; /* auto */

static void amdgpu_drv_delayed_reset_work_handler(struct work_struct *work);

@@ -857,6 +858,18 @@ int amdgpu_backlight = -1; MODULE_PARM_DESC(backlight, "Backlight control (0 = pwm, 1 = aux, -1 auto (default))"); module_param_named(backlight, amdgpu_backlight, bint, 0444);

+/** + * DOC: damageclips (int) + * Enable or disable damage clips support. If damage clips support is disabled, + * we will force full frame updates, irrespective of what user space sends to + * us. + * + * Defaults to -1 (where it is enabled unless a PSR-SU display is detected). + */ +MODULE_PARM_DESC(damageclips, + "Damage clips support (0 = disable, 1 = enable, -1 auto (default))"); +module_param_named(damageclips, amdgpu_damage_clips, int, 0444); + /** * DOC: tmz (int) * Trusted Memory Zone (TMZ) is a method to protect data being written diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c index 081267161d40..57516a8c5db3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c @@ -129,13 +129,25 @@ static const struct mmu_interval_notifier_ops amdgpu_hmm_hsa_ops = { */ int amdgpu_hmm_register(struct amdgpu_bo *bo, unsigned long addr) { + int r; + if (bo->kfd_bo) - return mmu_interval_notifier_insert(&bo->notifier, current->mm, + r = mmu_interval_notifier_insert(&bo->notifier, current->mm, addr, amdgpu_bo_size(bo), &amdgpu_hmm_hsa_ops); - return mmu_interval_notifier_insert(&bo->notifier, current->mm, addr, - amdgpu_bo_size(bo), - &amdgpu_hmm_gfx_ops); + else + r = mmu_interval_notifier_insert(&bo->notifier, current->mm, addr, + amdgpu_bo_size(bo), + &amdgpu_hmm_gfx_ops); + if (r) + /* + * Make sure amdgpu_hmm_unregister() doesn't call + * mmu_interval_notifier_remove() when the notifier isn't properly + * initialized. + */ + bo->notifier.mm = NULL; + + return r; }

/** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 45424ebf9681..4e526d773033 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -524,46 +524,58 @@ static ssize_t amdgpu_debugfs_mqd_read(struct file *f, char __user *buf, { struct amdgpu_ring *ring = file_inode(f)->i_private; volatile u32 *mqd; - int r; + u32 *kbuf; + int r, i; uint32_t value, result;

if (*pos & 3 || size & 3) return -EINVAL;

- result = 0; + kbuf = kmalloc(ring->mqd_size, GFP_KERNEL); + if (!kbuf) + return -ENOMEM;

r = amdgpu_bo_reserve(ring->mqd_obj, false); if (unlikely(r != 0)) - return r; + goto err_free;

r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&mqd); - if (r) { - amdgpu_bo_unreserve(ring->mqd_obj); - return r; - } + if (r) + goto err_unreserve;

+ /* + * Copy to local buffer to avoid put_user(), which might fault + * and acquire mmap_sem, under reservation_ww_class_mutex. + */ + for (i = 0; i < ring->mqd_size/sizeof(u32); i++) + kbuf[i] = mqd[i]; + + amdgpu_bo_kunmap(ring->mqd_obj); + amdgpu_bo_unreserve(ring->mqd_obj); + + result = 0; while (size) { if (*pos >= ring->mqd_size) - goto done; + break;

- value = mqd[*pos/4]; + value = kbuf[*pos/4]; r = put_user(value, (uint32_t *)buf); if (r) - goto done; + goto err_free; buf += 4; result += 4; size -= 4; *pos += 4; }

-done: - amdgpu_bo_kunmap(ring->mqd_obj); - mqd = NULL; - amdgpu_bo_unreserve(ring->mqd_obj); - if (r) - return r; - + kfree(kbuf); return result; + +err_unreserve: + amdgpu_bo_unreserve(ring->mqd_obj); +err_free: + kfree(kbuf); + return r; }

static const struct file_operations amdgpu_debugfs_mqd_fops = { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 75c9fd2c6c2a..b0ed10f4de60 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -869,6 +869,7 @@ static void amdgpu_ttm_gart_bind(struct amdgpu_device *adev, amdgpu_gart_bind(adev, gtt->offset, ttm->num_pages, gtt->ttm.dma_address, flags); } + gtt->bound = true; }

/* diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 71445ab63b5e..02d1d9afbf66 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -1466,7 +1466,7 @@ void kfd_flush_tlb(struct kfd_process_device *pdd, enum TLB_FLUSH_TYPE type);

static inline bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev) { - return KFD_GC_VERSION(dev) > IP_VERSION(9, 4, 2) || + return KFD_GC_VERSION(dev) >= IP_VERSION(9, 4, 2) || (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) && dev->sdma_fw_version >= 18) || KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0); } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 49f0c9454a6e..dafe9562a737 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -5129,6 +5129,10 @@ static inline void fill_dc_dirty_rect(struct drm_plane *plane, * @new_plane_state: New state of @plane * @crtc_state: New state of CRTC connected to the @plane * @flip_addrs: DC flip tracking struct, which also tracts dirty rects + * @is_psr_su: Flag indicating whether Panel Self Refresh Selective Update (PSR SU) is enabled. + * If PSR SU is enabled and damage clips are available, only the regions of the screen + * that have changed will be updated. If PSR SU is not enabled, + * or if damage clips are not available, the entire screen will be updated. * @dirty_regions_changed: dirty regions changed * * For PSR SU, DC informs the DMUB uController of dirty rectangle regions @@ -5147,6 +5151,7 @@ static void fill_dc_dirty_rects(struct drm_plane *plane, struct drm_plane_state *new_plane_state, struct drm_crtc_state *crtc_state, struct dc_flip_addrs *flip_addrs, + bool is_psr_su, bool *dirty_regions_changed) { struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(crtc_state); @@ -5171,6 +5176,10 @@ static void fill_dc_dirty_rects(struct drm_plane *plane, num_clips = drm_plane_get_damage_clips_count(new_plane_state); clips = drm_plane_get_damage_clips(new_plane_state);

+ if (num_clips && (!amdgpu_damage_clips || (amdgpu_damage_clips < 0 && + is_psr_su))) + goto ffu; + if (!dm_crtc_state->mpo_requested) { if (!num_clips || num_clips > DC_MAX_DIRTY_RECTS) goto ffu; @@ -6163,9 +6172,8 @@ create_stream_for_sink(struct drm_connector *connector,

if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) mod_build_hf_vsif_infopacket(stream, &stream->vsp_infopacket); - else if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT || - stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST || - stream->signal == SIGNAL_TYPE_EDP) { + + if (stream->link->psr_settings.psr_feature_enabled || stream->link->replay_settings.replay_feature_enabled) { // // should decide stream support vsc sdp colorimetry capability // before building vsc info packet @@ -6181,9 +6189,8 @@ create_stream_for_sink(struct drm_connector *connector, if (stream->out_transfer_func->tf == TRANSFER_FUNCTION_GAMMA22) tf = TRANSFER_FUNC_GAMMA_22; mod_build_vsc_infopacket(stream, &stream->vsc_infopacket, stream->output_color_space, tf); + aconnector->psr_skip_count = AMDGPU_DM_PSR_ENTRY_DELAY;

- if (stream->link->psr_settings.psr_feature_enabled) - aconnector->psr_skip_count = AMDGPU_DM_PSR_ENTRY_DELAY; } finish: dc_sink_release(sink); @@ -8218,6 +8225,8 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, fill_dc_dirty_rects(plane, old_plane_state, new_plane_state, new_crtc_state, &bundle->flip_addrs[planes_count], + acrtc_state->stream->link->psr_settings.psr_version == + DC_PSR_VERSION_SU_1, &dirty_rects_changed);

/* @@ -10839,18 +10848,24 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, if (!adev->dm.freesync_module) goto update;

- if (sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT - || sink->sink_signal == SIGNAL_TYPE_EDP) { + if (edid && (sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT || + sink->sink_signal == SIGNAL_TYPE_EDP)) { bool edid_check_required = false;

- if (edid) { - edid_check_required = is_dp_capable_without_timing_msa( - adev->dm.dc, - amdgpu_dm_connector); + if (is_dp_capable_without_timing_msa(adev->dm.dc, + amdgpu_dm_connector)) { + if (edid->features & DRM_EDID_FEATURE_CONTINUOUS_FREQ) { + freesync_capable = true; + amdgpu_dm_connector->min_vfreq = connector->display_info.monitor_range.min_vfreq; + amdgpu_dm_connector->max_vfreq = connector->display_info.monitor_range.max_vfreq; + } else { + edid_check_required = edid->version > 1 || + (edid->version == 1 && + edid->revision > 1); + } }

- if (edid_check_required == true && (edid->version > 1 || - (edid->version == 1 && edid->revision > 1))) { + if (edid_check_required) { for (i = 0; i < 4; i++) {

timing = &edid->detailed_timings[i]; @@ -10870,14 +10885,23 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, if (range->flags != 1) continue;

- amdgpu_dm_connector->min_vfreq = range->min_vfreq; - amdgpu_dm_connector->max_vfreq = range->max_vfreq; - amdgpu_dm_connector->pixel_clock_mhz = - range->pixel_clock_mhz * 10; - connector->display_info.monitor_range.min_vfreq = range->min_vfreq; connector->display_info.monitor_range.max_vfreq = range->max_vfreq;

+ if (edid->revision >= 4) { + if (data->pad2 & DRM_EDID_RANGE_OFFSET_MIN_VFREQ) + connector->display_info.monitor_range.min_vfreq += 255; + if (data->pad2 & DRM_EDID_RANGE_OFFSET_MAX_VFREQ) + connector->display_info.monitor_range.max_vfreq += 255; + } + + amdgpu_dm_connector->min_vfreq = + connector->display_info.monitor_range.min_vfreq; + amdgpu_dm_connector->max_vfreq = + connector->display_info.monitor_range.max_vfreq; + amdgpu_dm_connector->pixel_clock_mhz = + range->pixel_clock_mhz * 10; + break; }

diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c index a496930b1f9c..289918ea7298 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c @@ -217,6 +217,16 @@ void dcn32_init_clocks(struct clk_mgr *clk_mgr_base) if (clk_mgr_base->bw_params->dc_mode_limit.dispclk_mhz > 1950) clk_mgr_base->bw_params->dc_mode_limit.dispclk_mhz = 1950;

+ /* DPPCLK */ + dcn32_init_single_clock(clk_mgr, PPCLK_DPPCLK, + &clk_mgr_base->bw_params->clk_table.entries[0].dppclk_mhz, + &num_entries_per_clk->num_dppclk_levels); + num_levels = num_entries_per_clk->num_dppclk_levels; + clk_mgr_base->bw_params->dc_mode_limit.dppclk_mhz = dcn30_smu_get_dc_mode_max_dpm_freq(clk_mgr, PPCLK_DPPCLK); + //HW recommends limit of 1950 MHz in display clock for all DCN3.2.x + if (clk_mgr_base->bw_params->dc_mode_limit.dppclk_mhz > 1950) + clk_mgr_base->bw_params->dc_mode_limit.dppclk_mhz = 1950; + if (num_entries_per_clk->num_dcfclk_levels && num_entries_per_clk->num_dtbclk_levels && num_entries_per_clk->num_dispclk_levels) @@ -241,6 +251,10 @@ void dcn32_init_clocks(struct clk_mgr *clk_mgr_base) = khz_to_mhz_ceil(clk_mgr_base->ctx->dc->debug.min_dpp_clk_khz); }

+ for (i = 0; i < num_levels; i++) + if (clk_mgr_base->bw_params->clk_table.entries[i].dppclk_mhz > 1950) + clk_mgr_base->bw_params->clk_table.entries[i].dppclk_mhz = 1950; + /* Get UCLK, update bounding box */ clk_mgr_base->funcs->get_memclk_states_from_smu(clk_mgr_base);

diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c index 54df6cac19c8..353d5fb9e3f8 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c @@ -705,7 +705,7 @@ static void dcn35_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *clk clock_table->NumFclkLevelsEnabled; max_fclk = find_max_clk_value(clock_table->FclkClocks_Freq, num_fclk);

- num_dcfclk = (clock_table->NumFclkLevelsEnabled > NUM_DCFCLK_DPM_LEVELS) ? NUM_DCFCLK_DPM_LEVELS : + num_dcfclk = (clock_table->NumDcfClkLevelsEnabled > NUM_DCFCLK_DPM_LEVELS) ? NUM_DCFCLK_DPM_LEVELS : clock_table->NumDcfClkLevelsEnabled; for (i = 0; i < num_dcfclk; i++) { int j; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index bbdeda489768..b51208f44c24 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -2258,23 +2258,16 @@ struct dc_state *dc_copy_state(struct dc_state *src_ctx) { int i, j; struct dc_state *new_ctx = kvmalloc(sizeof(struct dc_state), GFP_KERNEL); -#ifdef CONFIG_DRM_AMD_DC_FP - struct dml2_context *dml2 = NULL; -#endif

if (!new_ctx) return NULL; memcpy(new_ctx, src_ctx, sizeof(struct dc_state));

#ifdef CONFIG_DRM_AMD_DC_FP - if (new_ctx->bw_ctx.dml2) { - dml2 = kzalloc(sizeof(struct dml2_context), GFP_KERNEL); - if (!dml2) - return NULL; - - memcpy(dml2, src_ctx->bw_ctx.dml2, sizeof(struct dml2_context)); - new_ctx->bw_ctx.dml2 = dml2; - } + if (new_ctx->bw_ctx.dml2 && !dml2_create_copy(&new_ctx->bw_ctx.dml2, src_ctx->bw_ctx.dml2)) { + dc_release_state(new_ctx); + return NULL; + } #endif

for (i = 0; i < MAX_PIPES; i++) { @@ -3340,6 +3333,9 @@ static bool dc_dmub_should_send_dirty_rect_cmd(struct dc *dc, struct dc_stream_s if (stream->link->replay_settings.config.replay_supported) return true;

+ if (stream->ctx->dce_version >= DCN_VERSION_3_5 && stream->abm_level) + return true; + return false; }

@@ -4929,22 +4925,16 @@ void dc_allow_idle_optimizations(struct dc *dc, bool allow)

bool dc_dmub_is_ips_idle_state(struct dc *dc) { - uint32_t idle_state = 0; - if (dc->debug.disable_idle_power_optimizations) return false;

if (!dc->caps.ips_support || (dc->config.disable_ips == DMUB_IPS_DISABLE_ALL)) return false;

- if (dc->hwss.get_idle_state) - idle_state = dc->hwss.get_idle_state(dc); - - if (!(idle_state & DMUB_IPS1_ALLOW_MASK) || - !(idle_state & DMUB_IPS2_ALLOW_MASK)) - return true; + if (!dc->ctx->dmub_srv) + return false;

- return false; + return dc->ctx->dmub_srv->idle_allowed; }

/* set min and max memory clock to lowest and highest DPM level, respectively */ diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c index d1500b223858..2f9da981a8be 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c @@ -44,6 +44,36 @@ #define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))

+void mpc3_mpc_init(struct mpc *mpc) +{ + struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc); + int opp_id; + + mpc1_mpc_init(mpc); + + for (opp_id = 0; opp_id < MAX_OPP; opp_id++) { + if (REG(MUX[opp_id])) + /* disable mpc out rate and flow control */ + REG_UPDATE_2(MUX[opp_id], MPC_OUT_RATE_CONTROL_DISABLE, + 1, MPC_OUT_FLOW_CONTROL_COUNT, 0); + } +} + +void mpc3_mpc_init_single_inst(struct mpc *mpc, unsigned int mpcc_id) +{ + struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc); + + mpc1_mpc_init_single_inst(mpc, mpcc_id); + + /* assuming mpc out mux is connected to opp with the same index at this + * point in time (e.g. transitioning from vbios to driver) + */ + if (mpcc_id < MAX_OPP && REG(MUX[mpcc_id])) + /* disable mpc out rate and flow control */ + REG_UPDATE_2(MUX[mpcc_id], MPC_OUT_RATE_CONTROL_DISABLE, + 1, MPC_OUT_FLOW_CONTROL_COUNT, 0); +} + bool mpc3_is_dwb_idle( struct mpc *mpc, int dwb_id) @@ -80,25 +110,6 @@ void mpc3_disable_dwb_mux( MPC_DWB0_MUX, 0xf); }

-void mpc3_set_out_rate_control( - struct mpc *mpc, - int opp_id, - bool enable, - bool rate_2x_mode, - struct mpc_dwb_flow_control *flow_control) -{ - struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc); - - REG_UPDATE_2(MUX[opp_id], - MPC_OUT_RATE_CONTROL_DISABLE, !enable, - MPC_OUT_RATE_CONTROL, rate_2x_mode); - - if (flow_control) - REG_UPDATE_2(MUX[opp_id], - MPC_OUT_FLOW_CONTROL_MODE, flow_control->flow_ctrl_mode, - MPC_OUT_FLOW_CONTROL_COUNT, flow_control->flow_ctrl_cnt1); -} - enum dc_lut_mode mpc3_get_ogam_current(struct mpc *mpc, int mpcc_id) { /*Contrary to DCN2 and DCN1 wherein a single status register field holds this info; @@ -1386,8 +1397,8 @@ static const struct mpc_funcs dcn30_mpc_funcs = { .read_mpcc_state = mpc1_read_mpcc_state, .insert_plane = mpc1_insert_plane, .remove_mpcc = mpc1_remove_mpcc, - .mpc_init = mpc1_mpc_init, - .mpc_init_single_inst = mpc1_mpc_init_single_inst, + .mpc_init = mpc3_mpc_init, + .mpc_init_single_inst = mpc3_mpc_init_single_inst, .update_blending = mpc2_update_blending, .cursor_lock = mpc1_cursor_lock, .get_mpcc_for_dpp = mpc1_get_mpcc_for_dpp, @@ -1404,7 +1415,6 @@ static const struct mpc_funcs dcn30_mpc_funcs = { .set_dwb_mux = mpc3_set_dwb_mux, .disable_dwb_mux = mpc3_disable_dwb_mux, .is_dwb_idle = mpc3_is_dwb_idle, - .set_out_rate_control = mpc3_set_out_rate_control, .set_gamut_remap = mpc3_set_gamut_remap, .program_shaper = mpc3_program_shaper, .acquire_rmu = mpcc3_acquire_rmu, diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h index 5198f2167c7c..d3b904517a22 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.h @@ -1007,6 +1007,13 @@ void dcn30_mpc_construct(struct dcn30_mpc *mpc30, int num_mpcc, int num_rmu);

+void mpc3_mpc_init( + struct mpc *mpc); + +void mpc3_mpc_init_single_inst( + struct mpc *mpc, + unsigned int mpcc_id); + bool mpc3_program_shaper( struct mpc *mpc, const struct pwl_params *params, @@ -1074,13 +1081,6 @@ bool mpc3_is_dwb_idle( struct mpc *mpc, int dwb_id);

-void mpc3_set_out_rate_control( - struct mpc *mpc, - int opp_id, - bool enable, - bool rate_2x_mode, - struct mpc_dwb_flow_control *flow_control); - void mpc3_power_on_ogam_lut( struct mpc *mpc, int mpcc_id, bool power_on); diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c index 994b21ed272f..3279b61022f1 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c @@ -47,7 +47,7 @@ void mpc32_mpc_init(struct mpc *mpc) struct dcn30_mpc *mpc30 = TO_DCN30_MPC(mpc); int mpcc_id;

- mpc1_mpc_init(mpc); + mpc3_mpc_init(mpc);

if (mpc->ctx->dc->debug.enable_mem_low_power.bits.mpc) { if (mpc30->mpc_mask->MPCC_MCM_SHAPER_MEM_LOW_PWR_MODE && mpc30->mpc_mask->MPCC_MCM_3DLUT_MEM_LOW_PWR_MODE) { @@ -990,7 +990,7 @@ static const struct mpc_funcs dcn32_mpc_funcs = { .insert_plane = mpc1_insert_plane, .remove_mpcc = mpc1_remove_mpcc, .mpc_init = mpc32_mpc_init, - .mpc_init_single_inst = mpc1_mpc_init_single_inst, + .mpc_init_single_inst = mpc3_mpc_init_single_inst, .update_blending = mpc2_update_blending, .cursor_lock = mpc1_cursor_lock, .get_mpcc_for_dpp = mpc1_get_mpcc_for_dpp, @@ -1007,7 +1007,6 @@ static const struct mpc_funcs dcn32_mpc_funcs = { .set_dwb_mux = mpc3_set_dwb_mux, .disable_dwb_mux = mpc3_disable_dwb_mux, .is_dwb_idle = mpc3_is_dwb_idle, - .set_out_rate_control = mpc3_set_out_rate_control, .set_gamut_remap = mpc3_set_gamut_remap, .program_shaper = mpc32_program_shaper, .program_3dlut = mpc32_program_3dlut, diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c index e940dd0f92b7..f663de1cdcdc 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c @@ -1866,6 +1866,7 @@ static bool dml1_validate(struct dc *dc, struct dc_state *context, bool fast_val dc->res_pool->funcs->calculate_wm_and_dlg(dc, context, pipes, pipe_cnt, vlevel);

dcn32_override_min_req_memclk(dc, context); + dcn32_override_min_req_dcfclk(dc, context);

BW_VAL_TRACE_END_WATERMARKS();

@@ -1924,7 +1925,21 @@ int dcn32_populate_dml_pipes_from_context( dcn32_zero_pipe_dcc_fraction(pipes, pipe_cnt); DC_FP_END(); pipes[pipe_cnt].pipe.dest.vfront_porch = timing->v_front_porch; - pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_dal; + if (dc->config.enable_windowed_mpo_odm && + dc->debug.enable_single_display_2to1_odm_policy) { + switch (resource_get_odm_slice_count(pipe)) { + case 2: + pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_2to1; + break; + case 4: + pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_4to1; + break; + default: + pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_dal; + } + } else { + pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_dal; + } pipes[pipe_cnt].pipe.src.gpuvm_min_page_size_kbytes = 256; // according to spreadsheet pipes[pipe_cnt].pipe.src.unbounded_req_mode = false; pipes[pipe_cnt].pipe.scale_ratio_depth.lb_depth = dm_lb_19; @@ -2011,6 +2026,8 @@ static void dcn32_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw { DC_FP_START(); dcn32_update_bw_bounding_box_fpu(dc, bw_params); + if (dc->debug.using_dml2 && dc->current_state && dc->current_state->bw_ctx.dml2) + dml2_reinit(dc, &dc->dml2_options, &dc->current_state->bw_ctx.dml2); DC_FP_END(); }

diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h index b931008114c9..351c8a28438c 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h @@ -41,6 +41,7 @@ #define SUBVP_HIGH_REFRESH_LIST_LEN 4 #define DCN3_2_MAX_SUBVP_PIXEL_RATE_MHZ 1800 #define DCN3_2_VMIN_DISPCLK_HZ 717000000 +#define MIN_SUBVP_DCFCLK_KHZ 400000

#define TO_DCN32_RES_POOL(pool)\ container_of(pool, struct dcn32_resource_pool, base) @@ -183,6 +184,10 @@ bool dcn32_subvp_drr_admissable(struct dc *dc, struct dc_state *context);

bool dcn32_subvp_vblank_admissable(struct dc *dc, struct dc_state *context, int vlevel);

+void dcn32_update_dml_pipes_odm_policy_based_on_context(struct dc *dc, struct dc_state *context, display_e2e_pipe_params_st *pipes); + +void dcn32_override_min_req_dcfclk(struct dc *dc, struct dc_state *context); + /* definitions for run time init of reg offsets */

/* CLK SRC */ diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c index bc5f0db23d0c..1f89428499f7 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c @@ -778,3 +778,35 @@ bool dcn32_subvp_vblank_admissable(struct dc *dc, struct dc_state *context, int

return result; } + +void dcn32_update_dml_pipes_odm_policy_based_on_context(struct dc *dc, struct dc_state *context, + display_e2e_pipe_params_st *pipes) +{ + int i, pipe_cnt; + struct resource_context *res_ctx = &context->res_ctx; + struct pipe_ctx *pipe = NULL; + + for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) { + int odm_slice_count = 0; + + if (!res_ctx->pipe_ctx[i].stream) + continue; + pipe = &res_ctx->pipe_ctx[i]; + odm_slice_count = resource_get_odm_slice_count(pipe); + + if (odm_slice_count == 1) + pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_dal; + else if (odm_slice_count == 2) + pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_2to1; + else if (odm_slice_count == 4) + pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_4to1; + + pipe_cnt++; + } +} + +void dcn32_override_min_req_dcfclk(struct dc *dc, struct dc_state *context) +{ + if (dcn32_subvp_in_use(dc, context) && context->bw_ctx.bw.dcn.clk.dcfclk_khz <= MIN_SUBVP_DCFCLK_KHZ) + context->bw_ctx.bw.dcn.clk.dcfclk_khz = MIN_SUBVP_DCFCLK_KHZ; +} diff --git a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c index 4156a8cc2bc7..3b7505b5f0a4 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c @@ -1579,6 +1579,8 @@ static void dcn321_update_bw_bounding_box(struct dc *dc, struct clk_bw_params *b { DC_FP_START(); dcn321_update_bw_bounding_box_fpu(dc, bw_params); + if (dc->debug.using_dml2 && dc->current_state && dc->current_state->bw_ctx.dml2) + dml2_reinit(dc, &dc->dml2_options, &dc->current_state->bw_ctx.dml2); DC_FP_END(); }

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c index fe2b67d745f0..b315ca6f1cee 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c @@ -1265,7 +1265,7 @@ static bool update_pipes_with_split_flags(struct dc *dc, struct dc_state *contex return updated; }

-static bool should_allow_odm_power_optimization(struct dc *dc, +static bool should_apply_odm_power_optimization(struct dc *dc, struct dc_state *context, struct vba_vars_st *v, int *split, bool *merge) { @@ -1369,9 +1369,12 @@ static void try_odm_power_optimization_and_revalidate( { int i; unsigned int new_vlevel; + unsigned int cur_policy[MAX_PIPES];

- for (i = 0; i < pipe_cnt; i++) + for (i = 0; i < pipe_cnt; i++) { + cur_policy[i] = pipes[i].pipe.dest.odm_combine_policy; pipes[i].pipe.dest.odm_combine_policy = dm_odm_combine_policy_2to1; + }

new_vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, pipe_cnt);

@@ -1380,6 +1383,9 @@ static void try_odm_power_optimization_and_revalidate( memset(merge, 0, MAX_PIPES * sizeof(bool)); *vlevel = dcn20_validate_apply_pipe_split_flags(dc, context, new_vlevel, split, merge); context->bw_ctx.dml.vba.VoltageLevel = *vlevel; + } else { + for (i = 0; i < pipe_cnt; i++) + pipes[i].pipe.dest.odm_combine_policy = cur_policy[i]; } }

@@ -1550,7 +1556,7 @@ static void dcn32_full_validate_bw_helper(struct dc *dc, } }

- if (should_allow_odm_power_optimization(dc, context, vba, split, merge)) + if (should_apply_odm_power_optimization(dc, context, vba, split, merge)) try_odm_power_optimization_and_revalidate( dc, context, pipes, split, merge, vlevel, *pipe_cnt);

@@ -2178,6 +2184,8 @@ bool dcn32_internal_validate_bw(struct dc *dc, int i;

pipe_cnt = dc->res_pool->funcs->populate_dml_pipes(dc, context, pipes, fast_validate); + if (!dc->config.enable_windowed_mpo_odm) + dcn32_update_dml_pipes_odm_policy_based_on_context(dc, context, pipes);

/* repopulate_pipes = 1 means the pipes were either split or merged. In this case * we have to re-calculate the DET allocation and run through DML once more to @@ -2186,7 +2194,9 @@ bool dcn32_internal_validate_bw(struct dc *dc, * */ context->bw_ctx.dml.soc.allow_for_pstate_or_stutter_in_vblank_final = dm_prefetch_support_uclk_fclk_and_stutter_if_possible; + vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, pipe_cnt); + if (vlevel == context->bw_ctx.dml.soc.num_states) { /* failed after DET size changes */ goto validate_fail; diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c index 16452dae4aca..b6744ad778fe 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c @@ -228,17 +228,13 @@ void dml2_init_socbb_params(struct dml2_context *dml2, const struct dc *in_dc, s break;

case dml_project_dcn35: + case dml_project_dcn351: out->num_chans = 4; out->round_trip_ping_latency_dcfclk_cycles = 106; out->smn_latency_us = 2; out->dispclk_dppclk_vco_speed_mhz = 3600; break;

- case dml_project_dcn351: - out->num_chans = 16; - out->round_trip_ping_latency_dcfclk_cycles = 1100; - out->smn_latency_us = 2; - break; } /* ---Overrides if available--- */ if (dml2->config.bbox_overrides.dram_num_chan) @@ -824,13 +820,25 @@ static struct scaler_data get_scaler_data_for_plane(const struct dc_plane_state

static void populate_dummy_dml_plane_cfg(struct dml_plane_cfg_st *out, unsigned int location, const struct dc_stream_state *in) { + dml_uint_t width, height; + + if (in->timing.h_addressable > 3840) + width = 3840; + else + width = in->timing.h_addressable; // 4K max + + if (in->timing.v_addressable > 2160) + height = 2160; + else + height = in->timing.v_addressable; // 4K max + out->CursorBPP[location] = dml_cur_32bit; out->CursorWidth[location] = 256;

out->GPUVMMinPageSizeKBytes[location] = 256;

- out->ViewportWidth[location] = in->timing.h_addressable; - out->ViewportHeight[location] = in->timing.v_addressable; + out->ViewportWidth[location] = width; + out->ViewportHeight[location] = height; out->ViewportStationary[location] = false; out->ViewportWidthChroma[location] = 0; out->ViewportHeightChroma[location] = 0; @@ -849,7 +857,7 @@ static void populate_dummy_dml_plane_cfg(struct dml_plane_cfg_st *out, unsigned out->HTapsChroma[location] = 0; out->VTapsChroma[location] = 0; out->SourceScan[location] = dml_rotation_0; - out->ScalerRecoutWidth[location] = in->timing.h_addressable; + out->ScalerRecoutWidth[location] = width;

out->LBBitPerPixel[location] = 57;

diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c index c62b61ac45d2..269bfb14c239 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c @@ -696,13 +696,13 @@ bool dml2_validate(const struct dc *in_dc, struct dc_state *context, bool fast_v return out; }

-bool dml2_create(const struct dc *in_dc, const struct dml2_configuration_options *config, struct dml2_context **dml2) +static inline struct dml2_context *dml2_allocate_memory(void) { - // Allocate Mode Lib Ctx - *dml2 = (struct dml2_context *) kzalloc(sizeof(struct dml2_context), GFP_KERNEL); + return (struct dml2_context *) kzalloc(sizeof(struct dml2_context), GFP_KERNEL); +}

- if (!(*dml2)) - return false; +static void dml2_init(const struct dc *in_dc, const struct dml2_configuration_options *config, struct dml2_context **dml2) +{

// Store config options (*dml2)->config = *config; @@ -730,9 +730,18 @@ bool dml2_create(const struct dc *in_dc, const struct dml2_configuration_options initialize_dml2_soc_bbox(*dml2, in_dc, &(*dml2)->v20.dml_core_ctx.soc);

initialize_dml2_soc_states(*dml2, in_dc, &(*dml2)->v20.dml_core_ctx.soc, &(*dml2)->v20.dml_core_ctx.states); +} + +bool dml2_create(const struct dc *in_dc, const struct dml2_configuration_options *config, struct dml2_context **dml2) +{ + // Allocate Mode Lib Ctx + *dml2 = dml2_allocate_memory(); + + if (!(*dml2)) + return false; + + dml2_init(in_dc, config, dml2);

- /*Initialize DML20 instance which calls dml2_core_create, and core_dcn3_populate_informative*/ - //dml2_initialize_instance(&(*dml_ctx)->v20.dml_init); return true; }

@@ -750,3 +759,33 @@ void dml2_extract_dram_and_fclk_change_support(struct dml2_context *dml2, *fclk_change_support = (unsigned int) dml2->v20.dml_core_ctx.ms.support.FCLKChangeSupport[0]; *dram_clk_change_support = (unsigned int) dml2->v20.dml_core_ctx.ms.support.DRAMClockChangeSupport[0]; } + +void dml2_copy(struct dml2_context *dst_dml2, + struct dml2_context *src_dml2) +{ + /* copy Mode Lib Ctx */ + memcpy(dst_dml2, src_dml2, sizeof(struct dml2_context)); +} + +bool dml2_create_copy(struct dml2_context **dst_dml2, + struct dml2_context *src_dml2) +{ + /* Allocate Mode Lib Ctx */ + *dst_dml2 = dml2_allocate_memory(); + + if (!(*dst_dml2)) + return false; + + /* copy Mode Lib Ctx */ + dml2_copy(*dst_dml2, src_dml2); + + return true; +} + +void dml2_reinit(const struct dc *in_dc, + const struct dml2_configuration_options *config, + struct dml2_context **dml2) +{ + + dml2_init(in_dc, config, dml2); +} diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h index fe15baa4bf09..548504d7de1e 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.h @@ -191,6 +191,13 @@ bool dml2_create(const struct dc *in_dc, struct dml2_context **dml2);

void dml2_destroy(struct dml2_context *dml2); +void dml2_copy(struct dml2_context *dst_dml2, + struct dml2_context *src_dml2); +bool dml2_create_copy(struct dml2_context **dst_dml2, + struct dml2_context *src_dml2); +void dml2_reinit(const struct dc *in_dc, + const struct dml2_configuration_options *config, + struct dml2_context **dml2);

/* * dml2_validate - Determines if a display configuration is supported or not. diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c index c1f1665e553d..3642c069bd1b 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c @@ -1184,7 +1184,8 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx) if (dccg) { dccg->funcs->disable_symclk32_se(dccg, dp_hpo_inst); dccg->funcs->set_dpstreamclk(dccg, REFCLK, tg->inst, dp_hpo_inst); - dccg->funcs->set_dtbclk_dto(dccg, &dto_params); + if (dccg && dccg->funcs->set_dtbclk_dto) + dccg->funcs->set_dtbclk_dto(dccg, &dto_params); } } else if (dccg && dccg->funcs->disable_symclk_se) { dccg->funcs->disable_symclk_se(dccg, stream_enc->stream_enc_inst, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c index c966f38583cb..e3f547e0613c 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c @@ -1385,6 +1385,11 @@ static void dcn20_detect_pipe_changes(struct pipe_ctx *old_pipe, struct pipe_ctx return; }

+ if (resource_is_pipe_type(new_pipe, OTG_MASTER) && + resource_is_odm_topology_changed(new_pipe, old_pipe)) + /* Detect odm changes */ + new_pipe->update_flags.bits.odm = 1; + /* Exit on unchanged, unused pipe */ if (!old_pipe->plane_state && !new_pipe->plane_state) return; @@ -1434,10 +1439,6 @@ static void dcn20_detect_pipe_changes(struct pipe_ctx *old_pipe, struct pipe_ctx

/* Detect top pipe only changes */ if (resource_is_pipe_type(new_pipe, OTG_MASTER)) { - /* Detect odm changes */ - if (resource_is_odm_topology_changed(new_pipe, old_pipe)) - new_pipe->update_flags.bits.odm = 1; - /* Detect global sync changes */ if (old_pipe->pipe_dlg_param.vready_offset != new_pipe->pipe_dlg_param.vready_offset || old_pipe->pipe_dlg_param.vstartup_start != new_pipe->pipe_dlg_param.vstartup_start @@ -1879,19 +1880,20 @@ void dcn20_program_front_end_for_ctx( DC_LOGGER_INIT(dc->ctx->logger); unsigned int prev_hubp_count = 0; unsigned int hubp_count = 0; + struct pipe_ctx *pipe;

if (resource_is_pipe_topology_changed(dc->current_state, context)) resource_log_pipe_topology_update(dc, context);

if (dc->hwss.program_triplebuffer != NULL && dc->debug.enable_tri_buf) { for (i = 0; i < dc->res_pool->pipe_count; i++) { - struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + pipe = &context->res_ctx.pipe_ctx[i];

- if (!pipe_ctx->top_pipe && !pipe_ctx->prev_odm_pipe && pipe_ctx->plane_state) { - ASSERT(!pipe_ctx->plane_state->triplebuffer_flips); + if (!pipe->top_pipe && !pipe->prev_odm_pipe && pipe->plane_state) { + ASSERT(!pipe->plane_state->triplebuffer_flips); /*turn off triple buffer for full update*/ dc->hwss.program_triplebuffer( - dc, pipe_ctx, pipe_ctx->plane_state->triplebuffer_flips); + dc, pipe, pipe->plane_state->triplebuffer_flips); } } } @@ -1965,12 +1967,22 @@ void dcn20_program_front_end_for_ctx( DC_LOG_DC("Reset mpcc for pipe %d\n", dc->current_state->res_ctx.pipe_ctx[i].pipe_idx); }

+ /* update ODM for blanked OTG master pipes */ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + pipe = &context->res_ctx.pipe_ctx[i]; + if (resource_is_pipe_type(pipe, OTG_MASTER) && + !resource_is_pipe_type(pipe, DPP_PIPE) && + pipe->update_flags.bits.odm && + hws->funcs.update_odm) + hws->funcs.update_odm(dc, context, pipe); + } + /* * Program all updated pipes, order matters for mpcc setup. Start with * top pipe and program all pipes that follow in order */ for (i = 0; i < dc->res_pool->pipe_count; i++) { - struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; + pipe = &context->res_ctx.pipe_ctx[i];

if (pipe->plane_state && !pipe->top_pipe) { while (pipe) { @@ -2009,17 +2021,6 @@ void dcn20_program_front_end_for_ctx( context->stream_status[0].plane_count > 1) { pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start(pipe->plane_res.hubp); } - - /* when dynamic ODM is active, pipes must be reconfigured when all planes are - * disabled, as some transitions will leave software and hardware state - * mismatched. - */ - if (dc->debug.enable_single_display_2to1_odm_policy && - pipe->stream && - pipe->update_flags.bits.disable && - !pipe->prev_odm_pipe && - hws->funcs.update_odm) - hws->funcs.update_odm(dc, context, pipe); } }

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c index 772dc0db916f..c89149d15302 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c @@ -656,10 +656,20 @@ void dcn30_set_avmute(struct pipe_ctx *pipe_ctx, bool enable) if (pipe_ctx == NULL) return;

- if (dc_is_hdmi_signal(pipe_ctx->stream->signal) && pipe_ctx->stream_res.stream_enc != NULL) + if (dc_is_hdmi_signal(pipe_ctx->stream->signal) && pipe_ctx->stream_res.stream_enc != NULL) { pipe_ctx->stream_res.stream_enc->funcs->set_avmute( pipe_ctx->stream_res.stream_enc, enable); + + /* Wait for two frame to make sure AV mute is sent out */ + if (enable) { + pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE); + pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VBLANK); + pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE); + pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VBLANK); + pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE); + } + } }

void dcn30_update_info_frame(struct pipe_ctx *pipe_ctx) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c index 3a9cc8ac0c07..093f4387553c 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn314/dcn314_hwseq.c @@ -69,29 +69,6 @@ #define FN(reg_name, field_name) \ hws->shifts->field_name, hws->masks->field_name

-static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream, - int opp_cnt) -{ - bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing); - int flow_ctrl_cnt; - - if (opp_cnt >= 2) - hblank_halved = true; - - flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable - - stream->timing.h_border_left - - stream->timing.h_border_right; - - if (hblank_halved) - flow_ctrl_cnt /= 2; - - /* ODM combine 4:1 case */ - if (opp_cnt == 4) - flow_ctrl_cnt /= 2; - - return flow_ctrl_cnt; -} - static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) { struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc; @@ -183,10 +160,6 @@ void dcn314_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx struct pipe_ctx *odm_pipe; int opp_cnt = 0; int opp_inst[MAX_PIPES] = {0}; - bool rate_control_2x_pclk = (pipe_ctx->stream->timing.flags.INTERLACE || optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing)); - struct mpc_dwb_flow_control flow_control; - struct mpc *mpc = dc->res_pool->mpc; - int i;

opp_cnt = get_odm_config(pipe_ctx, opp_inst);

@@ -199,20 +172,6 @@ void dcn314_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx pipe_ctx->stream_res.tg->funcs->set_odm_bypass( pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);

- rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1; - flow_control.flow_ctrl_mode = 0; - flow_control.flow_ctrl_cnt0 = 0x80; - flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(pipe_ctx->stream, opp_cnt); - if (mpc->funcs->set_out_rate_control) { - for (i = 0; i < opp_cnt; ++i) { - mpc->funcs->set_out_rate_control( - mpc, opp_inst[i], - true, - rate_control_2x_pclk, - &flow_control); - } - } - for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control( odm_pipe->stream_res.opp, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c index cb9d8389329f..580afb0088d7 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c @@ -969,29 +969,6 @@ void dcn32_init_hw(struct dc *dc) } }

-static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream, - int opp_cnt) -{ - bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing); - int flow_ctrl_cnt; - - if (opp_cnt >= 2) - hblank_halved = true; - - flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable - - stream->timing.h_border_left - - stream->timing.h_border_right; - - if (hblank_halved) - flow_ctrl_cnt /= 2; - - /* ODM combine 4:1 case */ - if (opp_cnt == 4) - flow_ctrl_cnt /= 2; - - return flow_ctrl_cnt; -} - static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) { struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc; @@ -1106,10 +1083,6 @@ void dcn32_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx * struct pipe_ctx *odm_pipe; int opp_cnt = 0; int opp_inst[MAX_PIPES] = {0}; - bool rate_control_2x_pclk = (pipe_ctx->stream->timing.flags.INTERLACE || optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing)); - struct mpc_dwb_flow_control flow_control; - struct mpc *mpc = dc->res_pool->mpc; - int i;

opp_cnt = get_odm_config(pipe_ctx, opp_inst);

@@ -1122,20 +1095,6 @@ void dcn32_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx * pipe_ctx->stream_res.tg->funcs->set_odm_bypass( pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);

- rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1; - flow_control.flow_ctrl_mode = 0; - flow_control.flow_ctrl_cnt0 = 0x80; - flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(pipe_ctx->stream, opp_cnt); - if (mpc->funcs->set_out_rate_control) { - for (i = 0; i < opp_cnt; ++i) { - mpc->funcs->set_out_rate_control( - mpc, opp_inst[i], - true, - rate_control_2x_pclk, - &flow_control); - } - } - for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control( odm_pipe->stream_res.opp, @@ -1159,6 +1118,13 @@ void dcn32_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx * dsc->funcs->dsc_disconnect(dsc); } } + + if (!resource_is_pipe_type(pipe_ctx, DPP_PIPE)) + /* + * blank pattern is generated by OPP, reprogram blank pattern + * due to OPP count change + */ + dc->hwseq->funcs.blank_pixel_data(dc, pipe_ctx, true); }

unsigned int dcn32_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index cf26d2ad4008..325a711a14e3 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -338,29 +338,6 @@ void dcn35_init_hw(struct dc *dc) } }

-static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream, - int opp_cnt) -{ - bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing); - int flow_ctrl_cnt; - - if (opp_cnt >= 2) - hblank_halved = true; - - flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable - - stream->timing.h_border_left - - stream->timing.h_border_right; - - if (hblank_halved) - flow_ctrl_cnt /= 2; - - /* ODM combine 4:1 case */ - if (opp_cnt == 4) - flow_ctrl_cnt /= 2; - - return flow_ctrl_cnt; -} - static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) { struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc; @@ -454,10 +431,6 @@ void dcn35_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx * struct pipe_ctx *odm_pipe; int opp_cnt = 0; int opp_inst[MAX_PIPES] = {0}; - bool rate_control_2x_pclk = (pipe_ctx->stream->timing.flags.INTERLACE || optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing)); - struct mpc_dwb_flow_control flow_control; - struct mpc *mpc = dc->res_pool->mpc; - int i;

opp_cnt = get_odm_config(pipe_ctx, opp_inst);

@@ -470,20 +443,6 @@ void dcn35_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx * pipe_ctx->stream_res.tg->funcs->set_odm_bypass( pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);

- rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1; - flow_control.flow_ctrl_mode = 0; - flow_control.flow_ctrl_cnt0 = 0x80; - flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(pipe_ctx->stream, opp_cnt); - if (mpc->funcs->set_out_rate_control) { - for (i = 0; i < opp_cnt; ++i) { - mpc->funcs->set_out_rate_control( - mpc, opp_inst[i], - true, - rate_control_2x_pclk, - &flow_control); - } - } - for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control( odm_pipe->stream_res.opp, diff --git a/drivers/gpu/drm/amd/display/dc/inc/resource.h b/drivers/gpu/drm/amd/display/dc/inc/resource.h index 06ca8bfb91e7..3d7244393807 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/resource.h +++ b/drivers/gpu/drm/amd/display/dc/inc/resource.h @@ -427,22 +427,18 @@ struct pipe_ctx *resource_get_primary_dpp_pipe(const struct pipe_ctx *dpp_pipe); int resource_get_mpc_slice_index(const struct pipe_ctx *dpp_pipe);

/* - * Get number of MPC "cuts" of the plane associated with the pipe. MPC slice - * count is equal to MPC splits + 1. For example if a plane is cut 3 times, it - * will have 4 pieces of slice. - * return - 0 if pipe is not used for a plane with MPCC combine. otherwise - * the number of MPC "cuts" for the plane. + * Get the number of MPC slices associated with the pipe. + * The function returns 0 if the pipe is not associated with an MPC combine + * pipe topology. */ -int resource_get_mpc_slice_count(const struct pipe_ctx *opp_head); +int resource_get_mpc_slice_count(const struct pipe_ctx *pipe);

/* - * Get number of ODM "cuts" of the timing associated with the pipe. ODM slice - * count is equal to ODM splits + 1. For example if a timing is cut 3 times, it - * will have 4 pieces of slice. - * return - 0 if pipe is not used for ODM combine. otherwise - * the number of ODM "cuts" for the timing. + * Get the number of ODM slices associated with the pipe. + * The function returns 0 if the pipe is not associated with an ODM combine + * pipe topology. */ -int resource_get_odm_slice_count(const struct pipe_ctx *otg_master); +int resource_get_odm_slice_count(const struct pipe_ctx *pipe);

/* Get the ODM slice index counting from 0 from left most slice */ int resource_get_odm_slice_index(const struct pipe_ctx *opp_head); diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c index ee67a35c2a8e..ff930a71e496 100644 --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c @@ -513,6 +513,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp) hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf; memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));

+ if (!display) + return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND; + hdcp_cmd->in_msg.hdcp2_create_session_v2.display_handle = display->index;

if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_0) diff --git a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c index 738ee763f24a..84f9b412a4f1 100644 --- a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c +++ b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c @@ -147,15 +147,12 @@ void mod_build_vsc_infopacket(const struct dc_stream_state *stream, }

/* VSC packet set to 4 for PSR-SU, or 2 for PSR1 */ - if (stream->link->psr_settings.psr_feature_enabled) { - if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1) - vsc_packet_revision = vsc_packet_rev4; - else if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_1) - vsc_packet_revision = vsc_packet_rev2; - } - - if (stream->link->replay_settings.config.replay_supported) + if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1) + vsc_packet_revision = vsc_packet_rev4; + else if (stream->link->replay_settings.config.replay_supported) vsc_packet_revision = vsc_packet_rev4; + else if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_1) + vsc_packet_revision = vsc_packet_rev2;

/* Update to revision 5 for extended colorimetry support */ if (stream->use_vsc_sdp_for_colorimetry) diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index 20c53eefd680..fee86be55c4e 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -2518,6 +2518,7 @@ static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev, { struct amdgpu_device *adev = dev_get_drvdata(dev); int err, ret; + u32 pwm_mode; int value;

if (amdgpu_in_reset(adev)) @@ -2529,13 +2530,22 @@ static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev, if (err) return err;

+ if (value == 0) + pwm_mode = AMD_FAN_CTRL_NONE; + else if (value == 1) + pwm_mode = AMD_FAN_CTRL_MANUAL; + else if (value == 2) + pwm_mode = AMD_FAN_CTRL_AUTO; + else + return -EINVAL; + ret = pm_runtime_get_sync(adev_to_drm(adev)->dev); if (ret < 0) { pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); return ret; }

- ret = amdgpu_dpm_set_fan_control_mode(adev, value); + ret = amdgpu_dpm_set_fan_control_mode(adev, pwm_mode);

pm_runtime_mark_last_busy(adev_to_drm(adev)->dev); pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c index 294a890beceb..ac04ed1e49f3 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c @@ -1285,8 +1285,9 @@ static int arcturus_get_power_limit(struct smu_context *smu, { struct smu_11_0_powerplay_table *powerplay_table = (struct smu_11_0_powerplay_table *)smu->smu_table.power_play_table; + struct smu_11_0_overdrive_table *od_settings = smu->od_settings; PPTable_t *pptable = smu->smu_table.driver_pptable; - uint32_t power_limit, od_percent_upper, od_percent_lower; + uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0;

if (smu_v11_0_get_current_power_limit(smu, &power_limit)) { /* the last hope to figure out the ppt limit */ @@ -1303,12 +1304,16 @@ static int arcturus_get_power_limit(struct smu_context *smu, if (default_power_limit) *default_power_limit = power_limit;

- if (smu->od_enabled) - od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]); - else - od_percent_upper = 0; - - od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]); + if (powerplay_table) { + if (smu->od_enabled && + od_settings->cap[SMU_11_0_ODCAP_POWER_LIMIT]) { + od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]); + od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]); + } else if (od_settings->cap[SMU_11_0_ODCAP_POWER_LIMIT]) { + od_percent_upper = 0; + od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]); + } + }

dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n", od_percent_upper, od_percent_lower, power_limit); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c index aefe72c8abd2..082101845968 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c @@ -2339,7 +2339,7 @@ static int navi10_get_power_limit(struct smu_context *smu, (struct smu_11_0_powerplay_table *)smu->smu_table.power_play_table; struct smu_11_0_overdrive_table *od_settings = smu->od_settings; PPTable_t *pptable = smu->smu_table.driver_pptable; - uint32_t power_limit, od_percent_upper, od_percent_lower; + uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0;

if (smu_v11_0_get_current_power_limit(smu, &power_limit)) { /* the last hope to figure out the ppt limit */ @@ -2356,13 +2356,16 @@ static int navi10_get_power_limit(struct smu_context *smu, if (default_power_limit) *default_power_limit = power_limit;

- if (smu->od_enabled && - navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT)) - od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]); - else - od_percent_upper = 0; - - od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]); + if (powerplay_table) { + if (smu->od_enabled && + navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT)) { + od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_ODSETTING_POWERPERCENTAGE]); + od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]); + } else if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_POWER_LIMIT)) { + od_percent_upper = 0; + od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_ODSETTING_POWERPERCENTAGE]); + } + }

dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n", od_percent_upper, od_percent_lower, power_limit); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c index fa953d444548..6f37ca7a0618 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c @@ -617,6 +617,12 @@ static uint32_t sienna_cichlid_get_throttler_status_locked(struct smu_context *s return throttler_status; }

+static bool sienna_cichlid_is_od_feature_supported(struct smu_11_0_7_overdrive_table *od_table, + enum SMU_11_0_7_ODFEATURE_CAP cap) +{ + return od_table->cap[cap]; +} + static int sienna_cichlid_get_power_limit(struct smu_context *smu, uint32_t *current_power_limit, uint32_t *default_power_limit, @@ -625,7 +631,8 @@ static int sienna_cichlid_get_power_limit(struct smu_context *smu, { struct smu_11_0_7_powerplay_table *powerplay_table = (struct smu_11_0_7_powerplay_table *)smu->smu_table.power_play_table; - uint32_t power_limit, od_percent_upper, od_percent_lower; + struct smu_11_0_7_overdrive_table *od_settings = smu->od_settings; + uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0; uint16_t *table_member;

GET_PPTABLE_MEMBER(SocketPowerLimitAc, &table_member); @@ -640,12 +647,16 @@ static int sienna_cichlid_get_power_limit(struct smu_context *smu, if (default_power_limit) *default_power_limit = power_limit;

- if (smu->od_enabled) - od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]); - else - od_percent_upper = 0; - - od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]); + if (powerplay_table) { + if (smu->od_enabled && + sienna_cichlid_is_od_feature_supported(od_settings, SMU_11_0_7_ODCAP_POWER_LIMIT)) { + od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]); + od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]); + } else if ((sienna_cichlid_is_od_feature_supported(od_settings, SMU_11_0_7_ODCAP_POWER_LIMIT))) { + od_percent_upper = 0; + od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_11_0_7_ODSETTING_POWERPERCENTAGE]); + } + }

dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n", od_percent_upper, od_percent_lower, power_limit); @@ -1250,12 +1261,6 @@ static bool sienna_cichlid_is_support_fine_grained_dpm(struct smu_context *smu, return dpm_desc->SnapToDiscrete == 0; }

-static bool sienna_cichlid_is_od_feature_supported(struct smu_11_0_7_overdrive_table *od_table, - enum SMU_11_0_7_ODFEATURE_CAP cap) -{ - return od_table->cap[cap]; -} - static void sienna_cichlid_get_od_setting_range(struct smu_11_0_7_overdrive_table *od_table, enum SMU_11_0_7_ODSETTING_ID setting, uint32_t *min, uint32_t *max) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c index ac3c9e0966ed..9ac6c408d2b6 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c @@ -2351,7 +2351,7 @@ static int smu_v13_0_0_get_power_limit(struct smu_context *smu, (struct smu_13_0_0_powerplay_table *)table_context->power_play_table; PPTable_t *pptable = table_context->driver_pptable; SkuTable_t *skutable = &pptable->SkuTable; - uint32_t power_limit, od_percent_upper, od_percent_lower; + uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0; uint32_t msg_limit = skutable->MsgLimits.Power[PPT_THROTTLER_PPT0][POWER_SOURCE_AC];

if (smu_v13_0_get_current_power_limit(smu, &power_limit)) @@ -2364,12 +2364,16 @@ static int smu_v13_0_0_get_power_limit(struct smu_context *smu, if (default_power_limit) *default_power_limit = power_limit;

- if (smu->od_enabled) - od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]); - else - od_percent_upper = 0; - - od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]); + if (powerplay_table) { + if (smu->od_enabled && + smu_v13_0_0_is_od_feature_supported(smu, PP_OD_FEATURE_PPT_BIT)) { + od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]); + od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]); + } else if (smu_v13_0_0_is_od_feature_supported(smu, PP_OD_FEATURE_PPT_BIT)) { + od_percent_upper = 0; + od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_0_ODSETTING_POWERPERCENTAGE]); + } + }

dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n", od_percent_upper, od_percent_lower, power_limit); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c index b296c5f9d98d..402e0d184e14 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c @@ -2315,7 +2315,7 @@ static int smu_v13_0_7_get_power_limit(struct smu_context *smu, (struct smu_13_0_7_powerplay_table *)table_context->power_play_table; PPTable_t *pptable = table_context->driver_pptable; SkuTable_t *skutable = &pptable->SkuTable; - uint32_t power_limit, od_percent_upper, od_percent_lower; + uint32_t power_limit, od_percent_upper = 0, od_percent_lower = 0; uint32_t msg_limit = skutable->MsgLimits.Power[PPT_THROTTLER_PPT0][POWER_SOURCE_AC];

if (smu_v13_0_get_current_power_limit(smu, &power_limit)) @@ -2328,12 +2328,16 @@ static int smu_v13_0_7_get_power_limit(struct smu_context *smu, if (default_power_limit) *default_power_limit = power_limit;

- if (smu->od_enabled) - od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]); - else - od_percent_upper = 0; - - od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]); + if (powerplay_table) { + if (smu->od_enabled && + (smu_v13_0_7_is_od_feature_supported(smu, PP_OD_FEATURE_PPT_BIT))) { + od_percent_upper = le32_to_cpu(powerplay_table->overdrive_table.max[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]); + od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]); + } else if (smu_v13_0_7_is_od_feature_supported(smu, PP_OD_FEATURE_PPT_BIT)) { + od_percent_upper = 0; + od_percent_lower = le32_to_cpu(powerplay_table->overdrive_table.min[SMU_13_0_7_ODSETTING_POWERPERCENTAGE]); + } + }

dev_dbg(smu->adev->dev, "od percent upper:%d, od percent lower:%d (default power: %d)\n", od_percent_upper, od_percent_lower, power_limit); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c index d8f8ad0e7137..01f2ab456724 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0.c @@ -229,8 +229,6 @@ int smu_v14_0_check_fw_version(struct smu_context *smu) smu->smc_driver_if_version = SMU14_DRIVER_IF_VERSION_SMU_V14_0_2; break; case IP_VERSION(14, 0, 0): - if ((smu->smc_fw_version < 0x5d3a00)) - dev_warn(smu->adev->dev, "The PMFW version(%x) is behind in this BIOS!\n", smu->smc_fw_version); smu->smc_driver_if_version = SMU14_DRIVER_IF_VERSION_SMU_V14_0_0; break; default: diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c index 94ccdbfd7090..24a43374a753 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c @@ -261,7 +261,10 @@ static int smu_v14_0_0_get_smu_metrics_data(struct smu_context *smu, *value = metrics->MpipuclkFrequency; break; case METRICS_AVERAGE_GFXACTIVITY: - *value = metrics->GfxActivity / 100; + if ((smu->smc_fw_version > 0x5d4600)) + *value = metrics->GfxActivity; + else + *value = metrics->GfxActivity / 100; break; case METRICS_AVERAGE_VCNACTIVITY: *value = metrics->VcnActivity / 100; diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c index 03532efb893b..e5839c89a355 100644 --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -429,26 +429,24 @@ lt8912_connector_mode_valid(struct drm_connector *connector,

static int lt8912_connector_get_modes(struct drm_connector *connector) { - struct edid *edid; - int ret = -1; - int num = 0; + const struct drm_edid *drm_edid; struct lt8912 *lt = connector_to_lt8912(connector); u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24; + int ret, num;

- edid = drm_bridge_get_edid(lt->hdmi_port, connector); - if (edid) { - drm_connector_update_edid_property(connector, edid); - num = drm_add_edid_modes(connector, edid); - } else { - return ret; - } + drm_edid = drm_bridge_edid_read(lt->hdmi_port, connector); + drm_edid_connector_update(connector, drm_edid); + if (!drm_edid) + return 0; + + num = drm_edid_connector_add_modes(connector);

ret = drm_display_info_set_bus_formats(&connector->display_info, &bus_format, 1); - if (ret) - num = ret; + if (ret < 0) + num = 0;

- kfree(edid); + drm_edid_free(drm_edid); return num; }

diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index 30d66bee0ec6..e1cfba2ff583 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -27,8 +27,9 @@ #include <linux/mutex.h>

#include <drm/drm_atomic_state_helper.h> -#include <drm/drm_debugfs.h> #include <drm/drm_bridge.h> +#include <drm/drm_debugfs.h> +#include <drm/drm_edid.h> #include <drm/drm_encoder.h> #include <drm/drm_file.h> #include <drm/drm_of.h> @@ -1206,6 +1207,47 @@ int drm_bridge_get_modes(struct drm_bridge *bridge, } EXPORT_SYMBOL_GPL(drm_bridge_get_modes);

+/** + * drm_bridge_edid_read - read the EDID data of the connected display + * @bridge: bridge control structure + * @connector: the connector to read EDID for + * + * If the bridge supports output EDID retrieval, as reported by the + * DRM_BRIDGE_OP_EDID bridge ops flag, call &drm_bridge_funcs.edid_read to get + * the EDID and return it. Otherwise return NULL. + * + * If &drm_bridge_funcs.edid_read is not set, fall back to using + * drm_bridge_get_edid() and wrapping it in struct drm_edid. + * + * RETURNS: + * The retrieved EDID on success, or NULL otherwise. + */ +const struct drm_edid *drm_bridge_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) +{ + if (!(bridge->ops & DRM_BRIDGE_OP_EDID)) + return NULL; + + /* Transitional: Fall back to ->get_edid. */ + if (!bridge->funcs->edid_read) { + const struct drm_edid *drm_edid; + struct edid *edid; + + edid = drm_bridge_get_edid(bridge, connector); + if (!edid) + return NULL; + + drm_edid = drm_edid_alloc(edid, (edid->extensions + 1) * EDID_LENGTH); + + kfree(edid); + + return drm_edid; + } + + return bridge->funcs->edid_read(bridge, connector); +} +EXPORT_SYMBOL_GPL(drm_bridge_edid_read); + /** * drm_bridge_get_edid - get the EDID data of the connected display * @bridge: bridge control structure @@ -1215,6 +1257,8 @@ EXPORT_SYMBOL_GPL(drm_bridge_get_modes); * DRM_BRIDGE_OP_EDID bridge ops flag, call &drm_bridge_funcs.get_edid to * get the EDID and return it. Otherwise return NULL. * + * Deprecated. Prefer using drm_bridge_edid_read(). + * * RETURNS: * The retrieved EDID on success, or NULL otherwise. */ diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c index e814020bbcd3..cfbe020de54e 100644 --- a/drivers/gpu/drm/drm_panel.c +++ b/drivers/gpu/drm/drm_panel.c @@ -274,19 +274,24 @@ EXPORT_SYMBOL(drm_panel_disable); * The modes probed from the panel are automatically added to the connector * that the panel is attached to. * - * Return: The number of modes available from the panel on success or a - * negative error code on failure. + * Return: The number of modes available from the panel on success, or 0 on + * failure (no modes). */ int drm_panel_get_modes(struct drm_panel *panel, struct drm_connector *connector) { if (!panel) - return -EINVAL; + return 0;

- if (panel->funcs && panel->funcs->get_modes) - return panel->funcs->get_modes(panel, connector); + if (panel->funcs && panel->funcs->get_modes) { + int num;

- return -EOPNOTSUPP; + num = panel->funcs->get_modes(panel, connector); + if (num > 0) + return num; + } + + return 0; } EXPORT_SYMBOL(drm_panel_get_modes);

diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index 3f479483d7d8..15ed974bcb98 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -419,6 +419,13 @@ static int drm_helper_probe_get_modes(struct drm_connector *connector)

count = connector_funcs->get_modes(connector);

+ /* The .get_modes() callback should not return negative values. */ + if (count < 0) { + drm_err(connector->dev, ".get_modes() returned %pe\n", + ERR_PTR(count)); + count = 0; + } + /* * Fallback for when DDC probe failed in drm_get_edid() and thus skipped * override/firmware EDID. diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 5860428da8de..f0bdcfc0c2e7 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -1367,7 +1367,7 @@ static void syncobj_eventfd_entry_fence_func(struct dma_fence *fence, struct syncobj_eventfd_entry *entry = container_of(cb, struct syncobj_eventfd_entry, fence_cb);

- eventfd_signal(entry->ev_fd_ctx, 1); + eventfd_signal(entry->ev_fd_ctx); syncobj_eventfd_entry_free(entry); }

@@ -1401,13 +1401,13 @@ syncobj_eventfd_entry_func(struct drm_syncobj *syncobj, entry->fence = fence;

if (entry->flags & DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE) { - eventfd_signal(entry->ev_fd_ctx, 1); + eventfd_signal(entry->ev_fd_ctx); syncobj_eventfd_entry_free(entry); } else { ret = dma_fence_add_callback(fence, &entry->fence_cb, syncobj_eventfd_entry_fence_func); if (ret == -ENOENT) { - eventfd_signal(entry->ev_fd_ctx, 1); + eventfd_signal(entry->ev_fd_ctx); syncobj_eventfd_entry_free(entry); } } diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c index a8d3fa81e4ec..f9bc837e22bd 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c @@ -494,7 +494,7 @@ static const struct drm_driver etnaviv_drm_driver = { .desc = "etnaviv DRM", .date = "20151214", .major = 1, - .minor = 3, + .minor = 4, };

/* diff --git a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c index 67201242438b..8665f2658d51 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c @@ -265,6 +265,9 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = { bool etnaviv_fill_identity_from_hwdb(struct etnaviv_gpu *gpu) { struct etnaviv_chip_identity *ident = &gpu->identity; + const u32 product_id = ident->product_id; + const u32 customer_id = ident->customer_id; + const u32 eco_id = ident->eco_id; int i;

for (i = 0; i < ARRAY_SIZE(etnaviv_chip_identities); i++) { @@ -278,6 +281,12 @@ bool etnaviv_fill_identity_from_hwdb(struct etnaviv_gpu *gpu) etnaviv_chip_identities[i].eco_id == ~0U)) { memcpy(ident, &etnaviv_chip_identities[i], sizeof(*ident)); + + /* Restore some id values as ~0U aka 'don't care' might been used. */ + ident->product_id = product_id; + ident->customer_id = customer_id; + ident->eco_id = eco_id; + return true; } } diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index f5e1adfcaa51..fb941a8c99f0 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -316,14 +316,14 @@ static int vidi_get_modes(struct drm_connector *connector) */ if (!ctx->raw_edid) { DRM_DEV_DEBUG_KMS(ctx->dev, "raw_edid is null.\n"); - return -EFAULT; + return 0; }

edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH; edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL); if (!edid) { DRM_DEV_DEBUG_KMS(ctx->dev, "failed to allocate edid\n"); - return -ENOMEM; + return 0; }

drm_connector_update_edid_property(connector, edid); diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index dd9903eab563..eff51bfc4644 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -887,11 +887,11 @@ static int hdmi_get_modes(struct drm_connector *connector) int ret;

if (!hdata->ddc_adpt) - return -ENODEV; + return 0;

edid = drm_get_edid(connector, hdata->ddc_adpt); if (!edid) - return -ENODEV; + return 0;

hdata->dvi_mode = !connector->display_info.is_hdmi; DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n", diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index bf0dbd7d0697..67143a0f5189 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1155,7 +1155,6 @@ static void gen11_dsi_powerup_panel(struct intel_encoder *encoder) }

intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_INIT_OTP); - intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON);

/* ensure all panel commands dispatched before enabling transcoder */ wait_for_cmds_dispatched_to_panel(encoder); @@ -1256,6 +1255,8 @@ static void gen11_dsi_enable(struct intel_atomic_state *state, /* step6d: enable dsi transcoder */ gen11_dsi_enable_transcoder(encoder);

+ intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON); + /* step7: enable backlight */ intel_backlight_enable(crtc_state, conn_state); intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON); diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 4e8f1e91bb08..e7ea2878455d 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1952,16 +1952,12 @@ static int get_init_otp_deassert_fragment_len(struct drm_i915_private *i915, * these devices we split the init OTP sequence into a deassert sequence and * the actual init OTP part. */ -static void fixup_mipi_sequences(struct drm_i915_private *i915, - struct intel_panel *panel) +static void vlv_fixup_mipi_sequences(struct drm_i915_private *i915, + struct intel_panel *panel) { u8 *init_otp; int len;

- /* Limit this to VLV for now. */ - if (!IS_VALLEYVIEW(i915)) - return; - /* Limit this to v1 vid-mode sequences */ if (panel->vbt.dsi.config->is_cmd_mode || panel->vbt.dsi.seq_version != 1) @@ -1997,6 +1993,41 @@ static void fixup_mipi_sequences(struct drm_i915_private *i915, panel->vbt.dsi.sequence[MIPI_SEQ_INIT_OTP] = init_otp + len - 1; }

+/* + * Some machines (eg. Lenovo 82TQ) appear to have broken + * VBT sequences: + * - INIT_OTP is not present at all + * - what should be in INIT_OTP is in DISPLAY_ON + * - what should be in DISPLAY_ON is in BACKLIGHT_ON + * (along with the actual backlight stuff) + * + * To make those work we simply swap DISPLAY_ON and INIT_OTP. + * + * TODO: Do we need to limit this to specific machines, + * or examine the contents of the sequences to + * avoid false positives? + */ +static void icl_fixup_mipi_sequences(struct drm_i915_private *i915, + struct intel_panel *panel) +{ + if (!panel->vbt.dsi.sequence[MIPI_SEQ_INIT_OTP] && + panel->vbt.dsi.sequence[MIPI_SEQ_DISPLAY_ON]) { + drm_dbg_kms(&i915->drm, "Broken VBT: Swapping INIT_OTP and DISPLAY_ON sequences\n"); + + swap(panel->vbt.dsi.sequence[MIPI_SEQ_INIT_OTP], + panel->vbt.dsi.sequence[MIPI_SEQ_DISPLAY_ON]); + } +} + +static void fixup_mipi_sequences(struct drm_i915_private *i915, + struct intel_panel *panel) +{ + if (DISPLAY_VER(i915) >= 11) + icl_fixup_mipi_sequences(i915, panel); + else if (IS_VALLEYVIEW(i915)) + vlv_fixup_mipi_sequences(i915, panel); +} + static void parse_mipi_sequence(struct drm_i915_private *i915, struct intel_panel *panel) @@ -3321,6 +3352,9 @@ bool intel_bios_encoder_supports_dp_dual_mode(const struct intel_bios_encoder_da { const struct child_device_config *child = &devdata->child;

+ if (!devdata) + return false; + if (!intel_bios_encoder_supports_dp(devdata) || !intel_bios_encoder_supports_hdmi(devdata)) return false; diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.c b/drivers/gpu/drm/i915/display/intel_display_power_well.c index 07d650050099..82dd5be72ee2 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power_well.c +++ b/drivers/gpu/drm/i915/display/intel_display_power_well.c @@ -246,7 +246,14 @@ static enum phy icl_aux_pw_to_phy(struct drm_i915_private *i915, enum aux_ch aux_ch = icl_aux_pw_to_ch(power_well); struct intel_digital_port *dig_port = aux_ch_to_digital_port(i915, aux_ch);

- return intel_port_to_phy(i915, dig_port->base.port); + /* + * FIXME should we care about the (VBT defined) dig_port->aux_ch + * relationship or should this be purely defined by the hardware layout? + * Currently if the port doesn't appear in the VBT, or if it's declared + * as HDMI-only and routed to a combo PHY, the encoder either won't be + * present at all or it will not have an aux_ch assigned. + */ + return dig_port ? intel_port_to_phy(i915, dig_port->base.port) : PHY_NONE; }

static void hsw_wait_for_power_well_enable(struct drm_i915_private *dev_priv, @@ -414,7 +421,8 @@ icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,

intel_de_rmw(dev_priv, regs->driver, 0, HSW_PWR_WELL_CTL_REQ(pw_idx));

- if (DISPLAY_VER(dev_priv) < 12) + /* FIXME this is a mess */ + if (phy != PHY_NONE) intel_de_rmw(dev_priv, ICL_PORT_CL_DW12(phy), 0, ICL_LANE_ENABLE_AUX);

@@ -437,7 +445,10 @@ icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv,

drm_WARN_ON(&dev_priv->drm, !IS_ICELAKE(dev_priv));

- intel_de_rmw(dev_priv, ICL_PORT_CL_DW12(phy), ICL_LANE_ENABLE_AUX, 0); + /* FIXME this is a mess */ + if (phy != PHY_NONE) + intel_de_rmw(dev_priv, ICL_PORT_CL_DW12(phy), + ICL_LANE_ENABLE_AUX, 0);

intel_de_rmw(dev_priv, regs->driver, HSW_PWR_WELL_CTL_REQ(pw_idx), 0);

diff --git a/drivers/gpu/drm/i915/display/intel_display_trace.h b/drivers/gpu/drm/i915/display/intel_display_trace.h index 99bdb833591c..7862e7cefe02 100644 --- a/drivers/gpu/drm/i915/display/intel_display_trace.h +++ b/drivers/gpu/drm/i915/display/intel_display_trace.h @@ -411,7 +411,7 @@ TRACE_EVENT(intel_fbc_activate, struct intel_crtc *crtc = intel_crtc_for_pipe(to_i915(plane->base.dev), plane->pipe); __assign_str(dev, __dev_name_kms(plane)); - __assign_str(name, plane->base.name) + __assign_str(name, plane->base.name); __entry->pipe = crtc->pipe; __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); @@ -438,7 +438,7 @@ TRACE_EVENT(intel_fbc_deactivate, struct intel_crtc *crtc = intel_crtc_for_pipe(to_i915(plane->base.dev), plane->pipe); __assign_str(dev, __dev_name_kms(plane)); - __assign_str(name, plane->base.name) + __assign_str(name, plane->base.name); __entry->pipe = crtc->pipe; __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); @@ -465,7 +465,7 @@ TRACE_EVENT(intel_fbc_nuke, struct intel_crtc *crtc = intel_crtc_for_pipe(to_i915(plane->base.dev), plane->pipe); __assign_str(dev, __dev_name_kms(plane)); - __assign_str(name, plane->base.name) + __assign_str(name, plane->base.name); __entry->pipe = crtc->pipe; __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index 399653a20f98..fb694ff9dc61 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -631,9 +631,9 @@ static const struct intel_shared_dpll_funcs ibx_pch_dpll_funcs = { };

static const struct dpll_info pch_plls[] = { - { "PCH DPLL A", &ibx_pch_dpll_funcs, DPLL_ID_PCH_PLL_A, 0 }, - { "PCH DPLL B", &ibx_pch_dpll_funcs, DPLL_ID_PCH_PLL_B, 0 }, - { }, + { .name = "PCH DPLL A", .funcs = &ibx_pch_dpll_funcs, .id = DPLL_ID_PCH_PLL_A, }, + { .name = "PCH DPLL B", .funcs = &ibx_pch_dpll_funcs, .id = DPLL_ID_PCH_PLL_B, }, + {} };

static const struct intel_dpll_mgr pch_pll_mgr = { @@ -1239,13 +1239,16 @@ static const struct intel_shared_dpll_funcs hsw_ddi_lcpll_funcs = { };

static const struct dpll_info hsw_plls[] = { - { "WRPLL 1", &hsw_ddi_wrpll_funcs, DPLL_ID_WRPLL1, 0 }, - { "WRPLL 2", &hsw_ddi_wrpll_funcs, DPLL_ID_WRPLL2, 0 }, - { "SPLL", &hsw_ddi_spll_funcs, DPLL_ID_SPLL, 0 }, - { "LCPLL 810", &hsw_ddi_lcpll_funcs, DPLL_ID_LCPLL_810, INTEL_DPLL_ALWAYS_ON }, - { "LCPLL 1350", &hsw_ddi_lcpll_funcs, DPLL_ID_LCPLL_1350, INTEL_DPLL_ALWAYS_ON }, - { "LCPLL 2700", &hsw_ddi_lcpll_funcs, DPLL_ID_LCPLL_2700, INTEL_DPLL_ALWAYS_ON }, - { }, + { .name = "WRPLL 1", .funcs = &hsw_ddi_wrpll_funcs, .id = DPLL_ID_WRPLL1, }, + { .name = "WRPLL 2", .funcs = &hsw_ddi_wrpll_funcs, .id = DPLL_ID_WRPLL2, }, + { .name = "SPLL", .funcs = &hsw_ddi_spll_funcs, .id = DPLL_ID_SPLL, }, + { .name = "LCPLL 810", .funcs = &hsw_ddi_lcpll_funcs, .id = DPLL_ID_LCPLL_810, + .flags = INTEL_DPLL_ALWAYS_ON, }, + { .name = "LCPLL 1350", .funcs = &hsw_ddi_lcpll_funcs, .id = DPLL_ID_LCPLL_1350, + .flags = INTEL_DPLL_ALWAYS_ON, }, + { .name = "LCPLL 2700", .funcs = &hsw_ddi_lcpll_funcs, .id = DPLL_ID_LCPLL_2700, + .flags = INTEL_DPLL_ALWAYS_ON, }, + {} };

static const struct intel_dpll_mgr hsw_pll_mgr = { @@ -1921,11 +1924,12 @@ static const struct intel_shared_dpll_funcs skl_ddi_dpll0_funcs = { };

static const struct dpll_info skl_plls[] = { - { "DPLL 0", &skl_ddi_dpll0_funcs, DPLL_ID_SKL_DPLL0, INTEL_DPLL_ALWAYS_ON }, - { "DPLL 1", &skl_ddi_pll_funcs, DPLL_ID_SKL_DPLL1, 0 }, - { "DPLL 2", &skl_ddi_pll_funcs, DPLL_ID_SKL_DPLL2, 0 }, - { "DPLL 3", &skl_ddi_pll_funcs, DPLL_ID_SKL_DPLL3, 0 }, - { }, + { .name = "DPLL 0", .funcs = &skl_ddi_dpll0_funcs, .id = DPLL_ID_SKL_DPLL0, + .flags = INTEL_DPLL_ALWAYS_ON, }, + { .name = "DPLL 1", .funcs = &skl_ddi_pll_funcs, .id = DPLL_ID_SKL_DPLL1, }, + { .name = "DPLL 2", .funcs = &skl_ddi_pll_funcs, .id = DPLL_ID_SKL_DPLL2, }, + { .name = "DPLL 3", .funcs = &skl_ddi_pll_funcs, .id = DPLL_ID_SKL_DPLL3, }, + {} };

static const struct intel_dpll_mgr skl_pll_mgr = { @@ -2376,10 +2380,10 @@ static const struct intel_shared_dpll_funcs bxt_ddi_pll_funcs = { };

static const struct dpll_info bxt_plls[] = { - { "PORT PLL A", &bxt_ddi_pll_funcs, DPLL_ID_SKL_DPLL0, 0 }, - { "PORT PLL B", &bxt_ddi_pll_funcs, DPLL_ID_SKL_DPLL1, 0 }, - { "PORT PLL C", &bxt_ddi_pll_funcs, DPLL_ID_SKL_DPLL2, 0 }, - { }, + { .name = "PORT PLL A", .funcs = &bxt_ddi_pll_funcs, .id = DPLL_ID_SKL_DPLL0, }, + { .name = "PORT PLL B", .funcs = &bxt_ddi_pll_funcs, .id = DPLL_ID_SKL_DPLL1, }, + { .name = "PORT PLL C", .funcs = &bxt_ddi_pll_funcs, .id = DPLL_ID_SKL_DPLL2, }, + {} };

static const struct intel_dpll_mgr bxt_pll_mgr = { @@ -2485,7 +2489,7 @@ static void icl_wrpll_params_populate(struct skl_wrpll_params *params, static bool ehl_combo_pll_div_frac_wa_needed(struct drm_i915_private *i915) { - return (((IS_ELKHARTLAKE(i915) || IS_JASPERLAKE(i915)) && + return ((IS_ELKHARTLAKE(i915) && IS_DISPLAY_STEP(i915, STEP_B0, STEP_FOREVER)) || IS_TIGERLAKE(i915) || IS_ALDERLAKE_S(i915) || IS_ALDERLAKE_P(i915)) && i915->display.dpll.ref_clks.nssc == 38400; @@ -3284,6 +3288,8 @@ static int icl_compute_tc_phy_dplls(struct intel_atomic_state *state, struct drm_i915_private *i915 = to_i915(state->base.dev); struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); + const struct intel_crtc_state *old_crtc_state = + intel_atomic_get_old_crtc_state(state, crtc); struct icl_port_dpll *port_dpll = &crtc_state->icl_port_dplls[ICL_PORT_DPLL_DEFAULT]; struct skl_wrpll_params pll_params = {}; @@ -3302,7 +3308,11 @@ static int icl_compute_tc_phy_dplls(struct intel_atomic_state *state, return ret;

/* this is mainly for the fastset check */ - icl_set_active_port_dpll(crtc_state, ICL_PORT_DPLL_MG_PHY); + if (old_crtc_state->shared_dpll && + old_crtc_state->shared_dpll->info->id == DPLL_ID_ICL_TBTPLL) + icl_set_active_port_dpll(crtc_state, ICL_PORT_DPLL_DEFAULT); + else + icl_set_active_port_dpll(crtc_state, ICL_PORT_DPLL_MG_PHY);

crtc_state->port_clock = icl_ddi_mg_pll_get_freq(i915, NULL, &port_dpll->hw_state); @@ -4014,14 +4024,15 @@ static const struct intel_shared_dpll_funcs mg_pll_funcs = { };

static const struct dpll_info icl_plls[] = { - { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 }, - { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 }, - { "TBT PLL", &tbt_pll_funcs, DPLL_ID_ICL_TBTPLL, 0 }, - { "MG PLL 1", &mg_pll_funcs, DPLL_ID_ICL_MGPLL1, 0 }, - { "MG PLL 2", &mg_pll_funcs, DPLL_ID_ICL_MGPLL2, 0 }, - { "MG PLL 3", &mg_pll_funcs, DPLL_ID_ICL_MGPLL3, 0 }, - { "MG PLL 4", &mg_pll_funcs, DPLL_ID_ICL_MGPLL4, 0 }, - { }, + { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, }, + { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, }, + { .name = "TBT PLL", .funcs = &tbt_pll_funcs, .id = DPLL_ID_ICL_TBTPLL, + .flags = INTEL_DPLL_IS_ALT_PORT_DPLL, }, + { .name = "MG PLL 1", .funcs = &mg_pll_funcs, .id = DPLL_ID_ICL_MGPLL1, }, + { .name = "MG PLL 2", .funcs = &mg_pll_funcs, .id = DPLL_ID_ICL_MGPLL2, }, + { .name = "MG PLL 3", .funcs = &mg_pll_funcs, .id = DPLL_ID_ICL_MGPLL3, }, + { .name = "MG PLL 4", .funcs = &mg_pll_funcs, .id = DPLL_ID_ICL_MGPLL4, }, + {} };

static const struct intel_dpll_mgr icl_pll_mgr = { @@ -4035,10 +4046,10 @@ static const struct intel_dpll_mgr icl_pll_mgr = { };

static const struct dpll_info ehl_plls[] = { - { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 }, - { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 }, - { "DPLL 4", &combo_pll_funcs, DPLL_ID_EHL_DPLL4, 0 }, - { }, + { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, }, + { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, }, + { .name = "DPLL 4", .funcs = &combo_pll_funcs, .id = DPLL_ID_EHL_DPLL4, }, + {} };

static const struct intel_dpll_mgr ehl_pll_mgr = { @@ -4058,16 +4069,17 @@ static const struct intel_shared_dpll_funcs dkl_pll_funcs = { };

static const struct dpll_info tgl_plls[] = { - { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 }, - { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 }, - { "TBT PLL", &tbt_pll_funcs, DPLL_ID_ICL_TBTPLL, 0 }, - { "TC PLL 1", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL1, 0 }, - { "TC PLL 2", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL2, 0 }, - { "TC PLL 3", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL3, 0 }, - { "TC PLL 4", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL4, 0 }, - { "TC PLL 5", &dkl_pll_funcs, DPLL_ID_TGL_MGPLL5, 0 }, - { "TC PLL 6", &dkl_pll_funcs, DPLL_ID_TGL_MGPLL6, 0 }, - { }, + { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, }, + { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, }, + { .name = "TBT PLL", .funcs = &tbt_pll_funcs, .id = DPLL_ID_ICL_TBTPLL, + .flags = INTEL_DPLL_IS_ALT_PORT_DPLL, }, + { .name = "TC PLL 1", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL1, }, + { .name = "TC PLL 2", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL2, }, + { .name = "TC PLL 3", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL3, }, + { .name = "TC PLL 4", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL4, }, + { .name = "TC PLL 5", .funcs = &dkl_pll_funcs, .id = DPLL_ID_TGL_MGPLL5, }, + { .name = "TC PLL 6", .funcs = &dkl_pll_funcs, .id = DPLL_ID_TGL_MGPLL6, }, + {} };

static const struct intel_dpll_mgr tgl_pll_mgr = { @@ -4081,10 +4093,10 @@ static const struct intel_dpll_mgr tgl_pll_mgr = { };

static const struct dpll_info rkl_plls[] = { - { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 }, - { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 }, - { "DPLL 4", &combo_pll_funcs, DPLL_ID_EHL_DPLL4, 0 }, - { }, + { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, }, + { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, }, + { .name = "DPLL 4", .funcs = &combo_pll_funcs, .id = DPLL_ID_EHL_DPLL4, }, + {} };

static const struct intel_dpll_mgr rkl_pll_mgr = { @@ -4097,11 +4109,11 @@ static const struct intel_dpll_mgr rkl_pll_mgr = { };

static const struct dpll_info dg1_plls[] = { - { "DPLL 0", &combo_pll_funcs, DPLL_ID_DG1_DPLL0, 0 }, - { "DPLL 1", &combo_pll_funcs, DPLL_ID_DG1_DPLL1, 0 }, - { "DPLL 2", &combo_pll_funcs, DPLL_ID_DG1_DPLL2, 0 }, - { "DPLL 3", &combo_pll_funcs, DPLL_ID_DG1_DPLL3, 0 }, - { }, + { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_DG1_DPLL0, }, + { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_DG1_DPLL1, }, + { .name = "DPLL 2", .funcs = &combo_pll_funcs, .id = DPLL_ID_DG1_DPLL2, }, + { .name = "DPLL 3", .funcs = &combo_pll_funcs, .id = DPLL_ID_DG1_DPLL3, }, + {} };

static const struct intel_dpll_mgr dg1_pll_mgr = { @@ -4114,11 +4126,11 @@ static const struct intel_dpll_mgr dg1_pll_mgr = { };

static const struct dpll_info adls_plls[] = { - { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 }, - { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 }, - { "DPLL 2", &combo_pll_funcs, DPLL_ID_DG1_DPLL2, 0 }, - { "DPLL 3", &combo_pll_funcs, DPLL_ID_DG1_DPLL3, 0 }, - { }, + { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, }, + { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, }, + { .name = "DPLL 2", .funcs = &combo_pll_funcs, .id = DPLL_ID_DG1_DPLL2, }, + { .name = "DPLL 3", .funcs = &combo_pll_funcs, .id = DPLL_ID_DG1_DPLL3, }, + {} };

static const struct intel_dpll_mgr adls_pll_mgr = { @@ -4131,14 +4143,15 @@ static const struct intel_dpll_mgr adls_pll_mgr = { };

static const struct dpll_info adlp_plls[] = { - { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 }, - { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 }, - { "TBT PLL", &tbt_pll_funcs, DPLL_ID_ICL_TBTPLL, 0 }, - { "TC PLL 1", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL1, 0 }, - { "TC PLL 2", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL2, 0 }, - { "TC PLL 3", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL3, 0 }, - { "TC PLL 4", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL4, 0 }, - { }, + { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, }, + { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, }, + { .name = "TBT PLL", .funcs = &tbt_pll_funcs, .id = DPLL_ID_ICL_TBTPLL, + .flags = INTEL_DPLL_IS_ALT_PORT_DPLL, }, + { .name = "TC PLL 1", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL1, }, + { .name = "TC PLL 2", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL2, }, + { .name = "TC PLL 3", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL3, }, + { .name = "TC PLL 4", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL4, }, + {} };

static const struct intel_dpll_mgr adlp_pll_mgr = { @@ -4462,31 +4475,29 @@ verify_single_dpll_state(struct drm_i915_private *i915, struct intel_crtc *crtc, const struct intel_crtc_state *new_crtc_state) { - struct intel_dpll_hw_state dpll_hw_state; + struct intel_dpll_hw_state dpll_hw_state = {}; u8 pipe_mask; bool active;

- memset(&dpll_hw_state, 0, sizeof(dpll_hw_state)); - - drm_dbg_kms(&i915->drm, "%s\n", pll->info->name); - active = intel_dpll_get_hw_state(i915, pll, &dpll_hw_state);

if (!(pll->info->flags & INTEL_DPLL_ALWAYS_ON)) { I915_STATE_WARN(i915, !pll->on && pll->active_mask, - "pll in active use but not on in sw tracking\n"); + "%s: pll in active use but not on in sw tracking\n", + pll->info->name); I915_STATE_WARN(i915, pll->on && !pll->active_mask, - "pll is on but not used by any active pipe\n"); + "%s: pll is on but not used by any active pipe\n", + pll->info->name); I915_STATE_WARN(i915, pll->on != active, - "pll on state mismatch (expected %i, found %i)\n", - pll->on, active); + "%s: pll on state mismatch (expected %i, found %i)\n", + pll->info->name, pll->on, active); }

if (!crtc) { I915_STATE_WARN(i915, pll->active_mask & ~pll->state.pipe_mask, - "more active pll users than references: 0x%x vs 0x%x\n", - pll->active_mask, pll->state.pipe_mask); + "%s: more active pll users than references: 0x%x vs 0x%x\n", + pll->info->name, pll->active_mask, pll->state.pipe_mask);

return; } @@ -4495,21 +4506,30 @@ verify_single_dpll_state(struct drm_i915_private *i915,

if (new_crtc_state->hw.active) I915_STATE_WARN(i915, !(pll->active_mask & pipe_mask), - "pll active mismatch (expected pipe %c in active mask 0x%x)\n", - pipe_name(crtc->pipe), pll->active_mask); + "%s: pll active mismatch (expected pipe %c in active mask 0x%x)\n", + pll->info->name, pipe_name(crtc->pipe), pll->active_mask); else I915_STATE_WARN(i915, pll->active_mask & pipe_mask, - "pll active mismatch (didn't expect pipe %c in active mask 0x%x)\n", - pipe_name(crtc->pipe), pll->active_mask); + "%s: pll active mismatch (didn't expect pipe %c in active mask 0x%x)\n", + pll->info->name, pipe_name(crtc->pipe), pll->active_mask);

I915_STATE_WARN(i915, !(pll->state.pipe_mask & pipe_mask), - "pll enabled crtcs mismatch (expected 0x%x in 0x%x)\n", - pipe_mask, pll->state.pipe_mask); + "%s: pll enabled crtcs mismatch (expected 0x%x in 0x%x)\n", + pll->info->name, pipe_mask, pll->state.pipe_mask);

I915_STATE_WARN(i915, pll->on && memcmp(&pll->state.hw_state, &dpll_hw_state, sizeof(dpll_hw_state)), - "pll hw state mismatch\n"); + "%s: pll hw state mismatch\n", + pll->info->name); +} + +static bool has_alt_port_dpll(const struct intel_shared_dpll *old_pll, + const struct intel_shared_dpll *new_pll) +{ + return old_pll && new_pll && old_pll != new_pll && + (old_pll->info->flags & INTEL_DPLL_IS_ALT_PORT_DPLL || + new_pll->info->flags & INTEL_DPLL_IS_ALT_PORT_DPLL); }

void intel_shared_dpll_state_verify(struct intel_atomic_state *state, @@ -4531,11 +4551,15 @@ void intel_shared_dpll_state_verify(struct intel_atomic_state *state, struct intel_shared_dpll *pll = old_crtc_state->shared_dpll;

I915_STATE_WARN(i915, pll->active_mask & pipe_mask, - "pll active mismatch (didn't expect pipe %c in active mask (0x%x))\n", - pipe_name(crtc->pipe), pll->active_mask); - I915_STATE_WARN(i915, pll->state.pipe_mask & pipe_mask, - "pll enabled crtcs mismatch (found %x in enabled mask (0x%x))\n", - pipe_name(crtc->pipe), pll->state.pipe_mask); + "%s: pll active mismatch (didn't expect pipe %c in active mask (0x%x))\n", + pll->info->name, pipe_name(crtc->pipe), pll->active_mask); + + /* TC ports have both MG/TC and TBT PLL referenced simultaneously */ + I915_STATE_WARN(i915, !has_alt_port_dpll(old_crtc_state->shared_dpll, + new_crtc_state->shared_dpll) && + pll->state.pipe_mask & pipe_mask, + "%s: pll enabled crtcs mismatch (found pipe %c in enabled mask (0x%x))\n", + pll->info->name, pipe_name(crtc->pipe), pll->state.pipe_mask); } }

diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h index dd4796a61751..1a88ccc98344 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h @@ -271,12 +271,16 @@ struct dpll_info { enum intel_dpll_id id;

#define INTEL_DPLL_ALWAYS_ON (1 << 0) +#define INTEL_DPLL_IS_ALT_PORT_DPLL (1 << 1) /** * @flags: * * INTEL_DPLL_ALWAYS_ON * Inform the state checker that the DPLL is kept enabled even if * not in use by any CRTC. + * INTEL_DPLL_IS_ALT_PORT_DPLL + * Inform the state checker that the DPLL can be used as a fallback + * (for TC->TBT fallback). */ u32 flags; }; diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c index 7fd6280c54a7..15c3dd5d388b 100644 --- a/drivers/gpu/drm/i915/display/intel_dsb.c +++ b/drivers/gpu/drm/i915/display/intel_dsb.c @@ -339,6 +339,17 @@ static int intel_dsb_dewake_scanline(const struct intel_crtc_state *crtc_state) return max(0, vblank_start - intel_usecs_to_scanlines(adjusted_mode, latency)); }

+static u32 dsb_chicken(struct intel_crtc *crtc) +{ + if (crtc->mode_flags & I915_MODE_FLAG_VRR) + return DSB_CTRL_WAIT_SAFE_WINDOW | + DSB_CTRL_NO_WAIT_VBLANK | + DSB_INST_WAIT_SAFE_WINDOW | + DSB_INST_NO_WAIT_VBLANK; + else + return 0; +} + static void _intel_dsb_commit(struct intel_dsb *dsb, u32 ctrl, int dewake_scanline) { @@ -360,6 +371,9 @@ static void _intel_dsb_commit(struct intel_dsb *dsb, u32 ctrl, intel_de_write_fw(dev_priv, DSB_CTRL(pipe, dsb->id), ctrl | DSB_ENABLE);

+ intel_de_write_fw(dev_priv, DSB_CHICKEN(pipe, dsb->id), + dsb_chicken(crtc)); + intel_de_write_fw(dev_priv, DSB_HEAD(pipe, dsb->id), i915_ggtt_offset(dsb->vma));

diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 5d905f932cb4..eb5bd0743902 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -187,10 +187,11 @@ void intel_vrr_set_transcoder_timings(const struct intel_crtc_state *crtc_state) enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;

/* - * TRANS_SET_CONTEXT_LATENCY with VRR enabled - * requires this chicken bit on ADL/DG2. + * This bit seems to have two meanings depending on the platform: + * TGL: generate VRR "safe window" for DSB vblank waits + * ADL/DG2: make TRANS_SET_CONTEXT_LATENCY effective with VRR */ - if (DISPLAY_VER(dev_priv) == 13) + if (IS_DISPLAY_VER(dev_priv, 12, 13)) intel_de_rmw(dev_priv, CHICKEN_TRANS(cpu_transcoder), 0, PIPE_VBLANK_WITH_DELAY);

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c index 1d3ebdf4069b..c08b67593565 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -379,6 +379,9 @@ i915_gem_userptr_release(struct drm_i915_gem_object *obj) { GEM_WARN_ON(obj->userptr.page_ref);

+ if (!obj->userptr.notifier.mm) + return; + mmu_interval_notifier_remove(&obj->userptr.notifier); obj->userptr.notifier.mm = NULL; } diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.c b/drivers/gpu/drm/i915/gt/intel_engine_pm.c index e91fc881dbf1..5a3a5b29d150 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.c @@ -278,9 +278,6 @@ static int __engine_park(struct intel_wakeref *wf) intel_engine_park_heartbeat(engine); intel_breadcrumbs_park(engine->breadcrumbs);

- /* Must be reset upon idling, or we may miss the busy wakeup. */ - GEM_BUG_ON(engine->sched_engine->queue_priority_hint != INT_MIN); - if (engine->park) engine->park(engine);

diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c index e8f42ec6b1b4..42e09f158920 100644 --- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c +++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c @@ -3272,6 +3272,9 @@ static void execlists_park(struct intel_engine_cs *engine) { cancel_timer(&engine->execlists.timer); cancel_timer(&engine->execlists.preempt); + + /* Reset upon idling, or we may delay the busy wakeup. */ + WRITE_ONCE(engine->sched_engine->queue_priority_hint, INT_MIN); }

static void add_to_engine(struct i915_request *rq) diff --git a/drivers/gpu/drm/i915/gvt/interrupt.c b/drivers/gpu/drm/i915/gvt/interrupt.c index de3f5903d1a7..c8e7dfc9f791 100644 --- a/drivers/gpu/drm/i915/gvt/interrupt.c +++ b/drivers/gpu/drm/i915/gvt/interrupt.c @@ -422,7 +422,7 @@ static void init_irq_map(struct intel_gvt_irq *irq) #define MSI_CAP_DATA(offset) (offset + 8) #define MSI_CAP_EN 0x1

-static int inject_virtual_interrupt(struct intel_vgpu *vgpu) +static void inject_virtual_interrupt(struct intel_vgpu *vgpu) { unsigned long offset = vgpu->gvt->device_info.msi_cap_offset; u16 control, data; @@ -434,10 +434,10 @@ static int inject_virtual_interrupt(struct intel_vgpu *vgpu)

/* Do not generate MSI if MSIEN is disabled */ if (!(control & MSI_CAP_EN)) - return 0; + return;

if (WARN(control & GENMASK(15, 1), "only support one MSI format\n")) - return -EINVAL; + return;

trace_inject_msi(vgpu->id, addr, data);

@@ -451,10 +451,9 @@ static int inject_virtual_interrupt(struct intel_vgpu *vgpu) * returned and don't inject interrupt into guest. */ if (!test_bit(INTEL_VGPU_STATUS_ATTACHED, vgpu->status)) - return -ESRCH; - if (vgpu->msi_trigger && eventfd_signal(vgpu->msi_trigger, 1) != 1) - return -EFAULT; - return 0; + return; + if (vgpu->msi_trigger) + eventfd_signal(vgpu->msi_trigger); }

static void propagate_event(struct intel_gvt_irq *irq, diff --git a/drivers/gpu/drm/i915/i915_hwmon.c b/drivers/gpu/drm/i915/i915_hwmon.c index 8c3f443c8347..b758fd110c20 100644 --- a/drivers/gpu/drm/i915/i915_hwmon.c +++ b/drivers/gpu/drm/i915/i915_hwmon.c @@ -72,12 +72,13 @@ hwm_locked_with_pm_intel_uncore_rmw(struct hwm_drvdata *ddat, struct intel_uncore *uncore = ddat->uncore; intel_wakeref_t wakeref;

- mutex_lock(&hwmon->hwmon_lock); + with_intel_runtime_pm(uncore->rpm, wakeref) { + mutex_lock(&hwmon->hwmon_lock);

- with_intel_runtime_pm(uncore->rpm, wakeref) intel_uncore_rmw(uncore, reg, clear, set);

- mutex_unlock(&hwmon->hwmon_lock); + mutex_unlock(&hwmon->hwmon_lock); + } }

/* @@ -136,20 +137,21 @@ hwm_energy(struct hwm_drvdata *ddat, long *energy) else rgaddr = hwmon->rg.energy_status_all;

- mutex_lock(&hwmon->hwmon_lock); + with_intel_runtime_pm(uncore->rpm, wakeref) { + mutex_lock(&hwmon->hwmon_lock);

- with_intel_runtime_pm(uncore->rpm, wakeref) reg_val = intel_uncore_read(uncore, rgaddr);

- if (reg_val >= ei->reg_val_prev) - ei->accum_energy += reg_val - ei->reg_val_prev; - else - ei->accum_energy += UINT_MAX - ei->reg_val_prev + reg_val; - ei->reg_val_prev = reg_val; + if (reg_val >= ei->reg_val_prev) + ei->accum_energy += reg_val - ei->reg_val_prev; + else + ei->accum_energy += UINT_MAX - ei->reg_val_prev + reg_val; + ei->reg_val_prev = reg_val;

- *energy = mul_u64_u32_shr(ei->accum_energy, SF_ENERGY, - hwmon->scl_shift_energy); - mutex_unlock(&hwmon->hwmon_lock); + *energy = mul_u64_u32_shr(ei->accum_energy, SF_ENERGY, + hwmon->scl_shift_energy); + mutex_unlock(&hwmon->hwmon_lock); + } }

static ssize_t @@ -404,6 +406,7 @@ hwm_power_max_write(struct hwm_drvdata *ddat, long val)

/* Block waiting for GuC reset to complete when needed */ for (;;) { + wakeref = intel_runtime_pm_get(ddat->uncore->rpm); mutex_lock(&hwmon->hwmon_lock);

prepare_to_wait(&ddat->waitq, &wait, TASK_INTERRUPTIBLE); @@ -417,14 +420,13 @@ hwm_power_max_write(struct hwm_drvdata *ddat, long val) }

mutex_unlock(&hwmon->hwmon_lock); + intel_runtime_pm_put(ddat->uncore->rpm, wakeref);

schedule(); } finish_wait(&ddat->waitq, &wait); if (ret) - goto unlock; - - wakeref = intel_runtime_pm_get(ddat->uncore->rpm); + goto exit;

/* Disable PL1 limit and verify, because the limit cannot be disabled on all platforms */ if (val == PL1_DISABLE) { @@ -444,9 +446,8 @@ hwm_power_max_write(struct hwm_drvdata *ddat, long val) intel_uncore_rmw(ddat->uncore, hwmon->rg.pkg_rapl_limit, PKG_PWR_LIM_1_EN | PKG_PWR_LIM_1, nval); exit: - intel_runtime_pm_put(ddat->uncore->rpm, wakeref); -unlock: mutex_unlock(&hwmon->hwmon_lock); + intel_runtime_pm_put(ddat->uncore->rpm, wakeref); return ret; }

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 135e8d8dbdf0..b89cf2041f73 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4599,7 +4599,7 @@ #define MTL_CHICKEN_TRANS(trans) _MMIO_TRANS((trans), \ _MTL_CHICKEN_TRANS_A, \ _MTL_CHICKEN_TRANS_B) -#define PIPE_VBLANK_WITH_DELAY REG_BIT(31) /* ADL/DG2 */ +#define PIPE_VBLANK_WITH_DELAY REG_BIT(31) /* tgl+ */ #define SKL_UNMASK_VBL_TO_PIPE_IN_SRD REG_BIT(30) /* skl+ */ #define HSW_FRAME_START_DELAY_MASK REG_GENMASK(28, 27) #define HSW_FRAME_START_DELAY(x) REG_FIELD_PREP(HSW_FRAME_START_DELAY_MASK, x) diff --git a/drivers/gpu/drm/imx/ipuv3/parallel-display.c b/drivers/gpu/drm/imx/ipuv3/parallel-display.c index 70349739dd89..55dedd73f528 100644 --- a/drivers/gpu/drm/imx/ipuv3/parallel-display.c +++ b/drivers/gpu/drm/imx/ipuv3/parallel-display.c @@ -72,14 +72,14 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector) int ret;

if (!mode) - return -EINVAL; + return 0;

ret = of_get_drm_display_mode(np, &imxpd->mode, &imxpd->bus_flags, OF_USE_NATIVE_MODE); if (ret) { drm_mode_destroy(connector->dev, mode); - return ret; + return 0; }

drm_mode_copy(mode, &imxpd->mode); diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/client.h b/drivers/gpu/drm/nouveau/include/nvkm/core/client.h index 0d9fc741a719..932c9fd0b2d8 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/client.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/client.h @@ -11,6 +11,7 @@ struct nvkm_client { u32 debug;

struct rb_root objroot; + spinlock_t obj_lock;

void *data; int (*event)(u64 token, void *argv, u32 argc); diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c index 12feecf71e75..6fb65b01d778 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dmem.c +++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c @@ -378,9 +378,9 @@ nouveau_dmem_evict_chunk(struct nouveau_dmem_chunk *chunk) dma_addr_t *dma_addrs; struct nouveau_fence *fence;

- src_pfns = kcalloc(npages, sizeof(*src_pfns), GFP_KERNEL); - dst_pfns = kcalloc(npages, sizeof(*dst_pfns), GFP_KERNEL); - dma_addrs = kcalloc(npages, sizeof(*dma_addrs), GFP_KERNEL); + src_pfns = kvcalloc(npages, sizeof(*src_pfns), GFP_KERNEL | __GFP_NOFAIL); + dst_pfns = kvcalloc(npages, sizeof(*dst_pfns), GFP_KERNEL | __GFP_NOFAIL); + dma_addrs = kvcalloc(npages, sizeof(*dma_addrs), GFP_KERNEL | __GFP_NOFAIL);

migrate_device_range(src_pfns, chunk->pagemap.range.start >> PAGE_SHIFT, npages); @@ -406,11 +406,11 @@ nouveau_dmem_evict_chunk(struct nouveau_dmem_chunk *chunk) migrate_device_pages(src_pfns, dst_pfns, npages); nouveau_dmem_fence_done(&fence); migrate_device_finalize(src_pfns, dst_pfns, npages); - kfree(src_pfns); - kfree(dst_pfns); + kvfree(src_pfns); + kvfree(dst_pfns); for (i = 0; i < npages; i++) dma_unmap_page(chunk->drm->dev->dev, dma_addrs[i], PAGE_SIZE, DMA_BIDIRECTIONAL); - kfree(dma_addrs); + kvfree(dma_addrs); }

void diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index a0d303e5ce3d..7b69e6df5748 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -758,7 +758,7 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data, return -ENOMEM;

if (unlikely(nouveau_cli_uvmm(cli))) - return -ENOSYS; + return nouveau_abi16_put(abi16, -ENOSYS);

list_for_each_entry(temp, &abi16->channels, head) { if (temp->chan->chid == req->channel) { diff --git a/drivers/gpu/drm/nouveau/nvkm/core/client.c b/drivers/gpu/drm/nouveau/nvkm/core/client.c index ebdeb8eb9e77..c55662937ab2 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/client.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/client.c @@ -180,6 +180,7 @@ nvkm_client_new(const char *name, u64 device, const char *cfg, const char *dbg, client->device = device; client->debug = nvkm_dbgopt(dbg, "CLIENT"); client->objroot = RB_ROOT; + spin_lock_init(&client->obj_lock); client->event = event; INIT_LIST_HEAD(&client->umem); spin_lock_init(&client->lock); diff --git a/drivers/gpu/drm/nouveau/nvkm/core/object.c b/drivers/gpu/drm/nouveau/nvkm/core/object.c index 7c554c14e884..aea3ba72027a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/object.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/object.c @@ -30,8 +30,10 @@ nvkm_object_search(struct nvkm_client *client, u64 handle, const struct nvkm_object_func *func) { struct nvkm_object *object; + unsigned long flags;

if (handle) { + spin_lock_irqsave(&client->obj_lock, flags); struct rb_node *node = client->objroot.rb_node; while (node) { object = rb_entry(node, typeof(*object), node); @@ -40,9 +42,12 @@ nvkm_object_search(struct nvkm_client *client, u64 handle, else if (handle > object->object) node = node->rb_right; - else + else { + spin_unlock_irqrestore(&client->obj_lock, flags); goto done; + } } + spin_unlock_irqrestore(&client->obj_lock, flags); return ERR_PTR(-ENOENT); } else { object = &client->object; @@ -57,30 +62,39 @@ nvkm_object_search(struct nvkm_client *client, u64 handle, void nvkm_object_remove(struct nvkm_object *object) { + unsigned long flags; + + spin_lock_irqsave(&object->client->obj_lock, flags); if (!RB_EMPTY_NODE(&object->node)) rb_erase(&object->node, &object->client->objroot); + spin_unlock_irqrestore(&object->client->obj_lock, flags); }

bool nvkm_object_insert(struct nvkm_object *object) { - struct rb_node **ptr = &object->client->objroot.rb_node; + struct rb_node **ptr; struct rb_node *parent = NULL; + unsigned long flags;

+ spin_lock_irqsave(&object->client->obj_lock, flags); + ptr = &object->client->objroot.rb_node; while (*ptr) { struct nvkm_object *this = rb_entry(*ptr, typeof(*this), node); parent = *ptr; - if (object->object < this->object) + if (object->object < this->object) { ptr = &parent->rb_left; - else - if (object->object > this->object) + } else if (object->object > this->object) { ptr = &parent->rb_right; - else + } else { + spin_unlock_irqrestore(&object->client->obj_lock, flags); return false; + } }

rb_link_node(&object->node, parent, ptr); rb_insert_color(&object->node, &object->client->objroot); + spin_unlock_irqrestore(&object->client->obj_lock, flags); return true; }

diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c index 0a7a7e4ad8d1..9ee92898216b 100644 --- a/drivers/gpu/drm/scheduler/sched_entity.c +++ b/drivers/gpu/drm/scheduler/sched_entity.c @@ -71,13 +71,19 @@ int drm_sched_entity_init(struct drm_sched_entity *entity, entity->guilty = guilty; entity->num_sched_list = num_sched_list; entity->priority = priority; + /* + * It's perfectly valid to initialize an entity without having a valid + * scheduler attached. It's just not valid to use the scheduler before it + * is initialized itself. + */ entity->sched_list = num_sched_list > 1 ? sched_list : NULL; RCU_INIT_POINTER(entity->last_scheduled, NULL); RB_CLEAR_NODE(&entity->rb_tree_node);

- if (!sched_list[0]->sched_rq) { - /* Warn drivers not to do this and to fix their DRM - * calling order. + if (num_sched_list && !sched_list[0]->sched_rq) { + /* Since every entry covered by num_sched_list + * should be non-NULL and therefore we warn drivers + * not to do this and to fix their DRM calling order. */ pr_warn("%s: called with uninitialized scheduler\n", __func__); } else if (num_sched_list) { diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index fd9fd3d15101..0b3f4267130c 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -294,7 +294,13 @@ pgprot_t ttm_io_prot(struct ttm_buffer_object *bo, struct ttm_resource *res, enum ttm_caching caching;

man = ttm_manager_type(bo->bdev, res->mem_type); - caching = man->use_tt ? bo->ttm->caching : res->bus.caching; + if (man->use_tt) { + caching = bo->ttm->caching; + if (bo->ttm->page_flags & TTM_TT_FLAG_DECRYPTED) + tmp = pgprot_decrypted(tmp); + } else { + caching = res->bus.caching; + }

return ttm_prot_from_caching(caching, tmp); } @@ -337,6 +343,8 @@ static int ttm_bo_kmap_ttm(struct ttm_buffer_object *bo, .no_wait_gpu = false }; struct ttm_tt *ttm = bo->ttm; + struct ttm_resource_manager *man = + ttm_manager_type(bo->bdev, bo->resource->mem_type); pgprot_t prot; int ret;

@@ -346,7 +354,8 @@ static int ttm_bo_kmap_ttm(struct ttm_buffer_object *bo, if (ret) return ret;

- if (num_pages == 1 && ttm->caching == ttm_cached) { + if (num_pages == 1 && ttm->caching == ttm_cached && + !(man->use_tt && (ttm->page_flags & TTM_TT_FLAG_DECRYPTED))) { /* * We're mapping a single page, and the desired * page protection is consistent with the bo. diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index e0a77671edd6..43eaffa7faae 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -31,11 +31,14 @@

#define pr_fmt(fmt) "[TTM] " fmt

+#include <linux/cc_platform.h> #include <linux/sched.h> #include <linux/shmem_fs.h> #include <linux/file.h> #include <linux/module.h> #include <drm/drm_cache.h> +#include <drm/drm_device.h> +#include <drm/drm_util.h> #include <drm/ttm/ttm_bo.h> #include <drm/ttm/ttm_tt.h>

@@ -60,6 +63,7 @@ static atomic_long_t ttm_dma32_pages_allocated; int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc) { struct ttm_device *bdev = bo->bdev; + struct drm_device *ddev = bo->base.dev; uint32_t page_flags = 0;

dma_resv_assert_held(bo->base.resv); @@ -81,6 +85,15 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc) pr_err("Illegal buffer object type\n"); return -EINVAL; } + /* + * When using dma_alloc_coherent with memory encryption the + * mapped TT pages need to be decrypted or otherwise the drivers + * will end up sending encrypted mem to the gpu. + */ + if (bdev->pool.use_dma_alloc && cc_platform_has(CC_ATTR_GUEST_MEM_ENCRYPT)) { + page_flags |= TTM_TT_FLAG_DECRYPTED; + drm_info(ddev, "TT memory decryption enabled."); + }

bo->ttm = bdev->funcs->ttm_tt_create(bo, page_flags); if (unlikely(bo->ttm == NULL)) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 25c9c71256d3..4626fe9aac56 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -508,7 +508,7 @@ static int vc4_hdmi_connector_get_modes(struct drm_connector *connector) edid = drm_get_edid(connector, vc4_hdmi->ddc); cec_s_phys_addr_from_edid(vc4_hdmi->cec_adap, edid); if (!edid) - return -ENODEV; + return 0;

drm_connector_update_edid_property(connector, edid); ret = drm_add_edid_modes(connector, edid); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index d3e308fdfd5b..c7d90f96d16a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1444,12 +1444,15 @@ static void vmw_debugfs_resource_managers_init(struct vmw_private *vmw) root, "system_ttm"); ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, TTM_PL_VRAM), root, "vram_ttm"); - ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_GMR), - root, "gmr_ttm"); - ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_MOB), - root, "mob_ttm"); - ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_SYSTEM), - root, "system_mob_ttm"); + if (vmw->has_gmr) + ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_GMR), + root, "gmr_ttm"); + if (vmw->has_mob) { + ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_MOB), + root, "mob_ttm"); + ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_SYSTEM), + root, "system_mob_ttm"); + } }

static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 36987ef3fc30..5fef0b31c117 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -447,7 +447,7 @@ static int vmw_resource_context_res_add(struct vmw_private *dev_priv, vmw_res_type(ctx) == vmw_res_dx_context) { for (i = 0; i < cotable_max; ++i) { res = vmw_context_cotable(ctx, i); - if (IS_ERR(res)) + if (IS_ERR_OR_NULL(res)) continue;

ret = vmw_execbuf_res_val_add(sw_context, res, @@ -1266,6 +1266,8 @@ static int vmw_cmd_dx_define_query(struct vmw_private *dev_priv, return -EINVAL;

cotable_res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXQUERY); + if (IS_ERR_OR_NULL(cotable_res)) + return cotable_res ? PTR_ERR(cotable_res) : -EINVAL; ret = vmw_cotable_notify(cotable_res, cmd->body.queryId);

return ret; @@ -2484,6 +2486,8 @@ static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv, return ret;

res = vmw_context_cotable(ctx_node->ctx, vmw_view_cotables[view_type]); + if (IS_ERR_OR_NULL(res)) + return res ? PTR_ERR(res) : -EINVAL; ret = vmw_cotable_notify(res, cmd->defined_id); if (unlikely(ret != 0)) return ret; @@ -2569,8 +2573,8 @@ static int vmw_cmd_dx_so_define(struct vmw_private *dev_priv,

so_type = vmw_so_cmd_to_type(header->id); res = vmw_context_cotable(ctx_node->ctx, vmw_so_cotables[so_type]); - if (IS_ERR(res)) - return PTR_ERR(res); + if (IS_ERR_OR_NULL(res)) + return res ? PTR_ERR(res) : -EINVAL; cmd = container_of(header, typeof(*cmd), header); ret = vmw_cotable_notify(res, cmd->defined_id);

@@ -2689,6 +2693,8 @@ static int vmw_cmd_dx_define_shader(struct vmw_private *dev_priv, return -EINVAL;

res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXSHADER); + if (IS_ERR_OR_NULL(res)) + return res ? PTR_ERR(res) : -EINVAL; ret = vmw_cotable_notify(res, cmd->body.shaderId); if (ret) return ret; @@ -3010,6 +3016,8 @@ static int vmw_cmd_dx_define_streamoutput(struct vmw_private *dev_priv, }

res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_STREAMOUTPUT); + if (IS_ERR_OR_NULL(res)) + return res ? PTR_ERR(res) : -EINVAL; ret = vmw_cotable_notify(res, cmd->body.soid); if (ret) return ret; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index b51578918cf8..5681a1b42aa2 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -184,13 +184,12 @@ static u32 vmw_du_cursor_mob_size(u32 w, u32 h) */ static u32 *vmw_du_cursor_plane_acquire_image(struct vmw_plane_state *vps) { - bool is_iomem; if (vps->surf) { if (vps->surf_mapped) return vmw_bo_map_and_cache(vps->surf->res.guest_memory_bo); return vps->surf->snooper.image; } else if (vps->bo) - return ttm_kmap_obj_virtual(&vps->bo->map, &is_iomem); + return vmw_bo_map_and_cache(vps->bo); return NULL; }

@@ -652,22 +651,12 @@ vmw_du_cursor_plane_cleanup_fb(struct drm_plane *plane, { struct vmw_cursor_plane *vcp = vmw_plane_to_vcp(plane); struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state); - bool is_iomem;

if (vps->surf_mapped) { vmw_bo_unmap(vps->surf->res.guest_memory_bo); vps->surf_mapped = false; }

- if (vps->bo && ttm_kmap_obj_virtual(&vps->bo->map, &is_iomem)) { - const int ret = ttm_bo_reserve(&vps->bo->tbo, true, false, NULL); - - if (likely(ret == 0)) { - ttm_bo_kunmap(&vps->bo->map); - ttm_bo_unreserve(&vps->bo->tbo); - } - } - vmw_du_cursor_plane_unmap_cm(vps); vmw_du_put_cursor_mob(vcp, vps);

@@ -703,6 +692,10 @@ vmw_du_cursor_plane_prepare_fb(struct drm_plane *plane, int ret = 0;

if (vps->surf) { + if (vps->surf_mapped) { + vmw_bo_unmap(vps->surf->res.guest_memory_bo); + vps->surf_mapped = false; + } vmw_surface_unreference(&vps->surf); vps->surf = NULL; } diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c index 2a7a4b6b0094..9b02b304c2f5 100644 --- a/drivers/hwmon/amc6821.c +++ b/drivers/hwmon/amc6821.c @@ -934,10 +934,21 @@ static const struct i2c_device_id amc6821_id[] = {

MODULE_DEVICE_TABLE(i2c, amc6821_id);

+static const struct of_device_id __maybe_unused amc6821_of_match[] = { + { + .compatible = "ti,amc6821", + .data = (void *)amc6821, + }, + { } +}; + +MODULE_DEVICE_TABLE(of, amc6821_of_match); + static struct i2c_driver amc6821_driver = { .class = I2C_CLASS_HWMON, .driver = { .name = "amc6821", + .of_match_table = of_match_ptr(amc6821_of_match), }, .probe = amc6821_probe, .id_table = amc6821_id, diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 6a5a93cf4ecc..643a816883ad 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1414,7 +1414,6 @@ static void i801_add_mux(struct i801_priv *priv) lookup->table[i] = GPIO_LOOKUP(mux_config->gpio_chip, mux_config->gpios[i], "mux", 0); gpiod_add_lookup_table(lookup); - priv->lookup = lookup;

/* * Register the mux device, we use PLATFORM_DEVID_NONE here @@ -1428,7 +1427,10 @@ static void i801_add_mux(struct i801_priv *priv) sizeof(struct i2c_mux_gpio_platform_data)); if (IS_ERR(priv->mux_pdev)) { gpiod_remove_lookup_table(lookup); + devm_kfree(dev, lookup); dev_err(dev, "Failed to register i2c-mux-gpio device\n"); + } else { + priv->lookup = lookup; } }

@@ -1740,9 +1742,9 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)

i801_enable_host_notify(&priv->adapter);

- i801_probe_optional_slaves(priv); /* We ignore errors - multiplexing is optional */ i801_add_mux(priv); + i801_probe_optional_slaves(priv);

pci_set_drvdata(dev, priv);

diff --git a/drivers/iio/accel/adxl367.c b/drivers/iio/accel/adxl367.c index 90b7ae6d42b7..484fe2e9fb17 100644 --- a/drivers/iio/accel/adxl367.c +++ b/drivers/iio/accel/adxl367.c @@ -1429,9 +1429,11 @@ static int adxl367_verify_devid(struct adxl367_state *st) unsigned int val; int ret;

- ret = regmap_read_poll_timeout(st->regmap, ADXL367_REG_DEVID, val, - val == ADXL367_DEVID_AD, 1000, 10000); + ret = regmap_read(st->regmap, ADXL367_REG_DEVID, &val); if (ret) + return dev_err_probe(st->dev, ret, "Failed to read dev id\n"); + + if (val != ADXL367_DEVID_AD) return dev_err_probe(st->dev, -ENODEV, "Invalid dev id 0x%02X, expected 0x%02X\n", val, ADXL367_DEVID_AD); @@ -1510,6 +1512,8 @@ int adxl367_probe(struct device *dev, const struct adxl367_ops *ops, if (ret) return ret;

+ fsleep(15000); + ret = adxl367_verify_devid(st); if (ret) return ret; diff --git a/drivers/iio/accel/adxl367_i2c.c b/drivers/iio/accel/adxl367_i2c.c index b595fe94f3a3..62c74bdc0d77 100644 --- a/drivers/iio/accel/adxl367_i2c.c +++ b/drivers/iio/accel/adxl367_i2c.c @@ -11,7 +11,7 @@

#include "adxl367.h"

-#define ADXL367_I2C_FIFO_DATA 0x42 +#define ADXL367_I2C_FIFO_DATA 0x18

struct adxl367_i2c_state { struct regmap *regmap; diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index dd94667a623b..1c0042fbbb54 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -52,7 +52,7 @@ #define SARADC2_START BIT(4) #define SARADC2_SINGLE_MODE BIT(5)

-#define SARADC2_CONV_CHANNELS GENMASK(15, 0) +#define SARADC2_CONV_CHANNELS GENMASK(3, 0)

struct rockchip_saradc;

@@ -102,12 +102,12 @@ static void rockchip_saradc_start_v2(struct rockchip_saradc *info, int chn) writel_relaxed(0xc, info->regs + SARADC_T_DAS_SOC); writel_relaxed(0x20, info->regs + SARADC_T_PD_SOC); val = FIELD_PREP(SARADC2_EN_END_INT, 1); - val |= val << 16; + val |= SARADC2_EN_END_INT << 16; writel_relaxed(val, info->regs + SARADC2_END_INT_EN); val = FIELD_PREP(SARADC2_START, 1) | FIELD_PREP(SARADC2_SINGLE_MODE, 1) | FIELD_PREP(SARADC2_CONV_CHANNELS, chn); - val |= val << 16; + val |= (SARADC2_START | SARADC2_SINGLE_MODE | SARADC2_CONV_CHANNELS) << 16; writel(val, info->regs + SARADC2_CONV_CON); }

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c index 66d4ba088e70..d4f9b5d8d28d 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c @@ -109,6 +109,8 @@ irqreturn_t inv_mpu6050_read_fifo(int irq, void *p) /* compute and process only all complete datum */ nb = fifo_count / bytes_per_datum; fifo_count = nb * bytes_per_datum; + if (nb == 0) + goto end_session; /* Each FIFO data contains all sensors, so same number for FIFO and sensor data */ fifo_period = NSEC_PER_SEC / INV_MPU6050_DIVIDER_TO_FIFO_RATE(st->chip_config.divider); inv_sensors_timestamp_interrupt(&st->timestamp, fifo_period, nb, nb, pf->timestamp); diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c index 676704f9151f..e6e6e94452a3 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c @@ -111,6 +111,7 @@ int inv_mpu6050_prepare_fifo(struct inv_mpu6050_state *st, bool enable) if (enable) { /* reset timestamping */ inv_sensors_timestamp_reset(&st->timestamp); + inv_sensors_timestamp_apply_odr(&st->timestamp, 0, 0, 0); /* reset FIFO */ d = st->chip_config.user_ctrl | INV_MPU6050_BIT_FIFO_RST; ret = regmap_write(st->map, st->reg->user_ctrl, d); @@ -184,6 +185,10 @@ static int inv_mpu6050_set_enable(struct iio_dev *indio_dev, bool enable) if (result) goto error_power_off; } else { + st->chip_config.gyro_fifo_enable = 0; + st->chip_config.accl_fifo_enable = 0; + st->chip_config.temp_fifo_enable = 0; + st->chip_config.magn_fifo_enable = 0; result = inv_mpu6050_prepare_fifo(st, false); if (result) goto error_power_off; diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c index 6e19974ecf6e..253fea374a72 100644 --- a/drivers/infiniband/hw/mlx5/devx.c +++ b/drivers/infiniband/hw/mlx5/devx.c @@ -2498,7 +2498,7 @@ static void dispatch_event_fd(struct list_head *fd_list,

list_for_each_entry_rcu(item, fd_list, xa_list) { if (item->eventfd) - eventfd_signal(item->eventfd, 1); + eventfd_signal(item->eventfd); else deliver_event(item, data); } diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index d0bb3edfd0a0..c11af4441cf2 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -130,7 +130,12 @@ static const struct xpad_device { { 0x0079, 0x18d4, "GPD Win 2 X-Box Controller", 0, XTYPE_XBOX360 }, { 0x03eb, 0xff01, "Wooting One (Legacy)", 0, XTYPE_XBOX360 }, { 0x03eb, 0xff02, "Wooting Two (Legacy)", 0, XTYPE_XBOX360 }, + { 0x03f0, 0x038D, "HyperX Clutch", 0, XTYPE_XBOX360 }, /* wired */ + { 0x03f0, 0x048D, "HyperX Clutch", 0, XTYPE_XBOX360 }, /* wireless */ { 0x03f0, 0x0495, "HyperX Clutch Gladiate", 0, XTYPE_XBOXONE }, + { 0x03f0, 0x07A0, "HyperX Clutch Gladiate RGB", 0, XTYPE_XBOXONE }, + { 0x03f0, 0x08B6, "HyperX Clutch Gladiate", 0, XTYPE_XBOXONE }, /* v2 */ + { 0x03f0, 0x09B4, "HyperX Clutch Tanto", 0, XTYPE_XBOXONE }, { 0x044f, 0x0f00, "Thrustmaster Wheel", 0, XTYPE_XBOX }, { 0x044f, 0x0f03, "Thrustmaster Wheel", 0, XTYPE_XBOX }, { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX }, @@ -463,6 +468,7 @@ static const struct usb_device_id xpad_table[] = { { USB_INTERFACE_INFO('X', 'B', 0) }, /* Xbox USB-IF not-approved class */ XPAD_XBOX360_VENDOR(0x0079), /* GPD Win 2 controller */ XPAD_XBOX360_VENDOR(0x03eb), /* Wooting Keyboards (Legacy) */ + XPAD_XBOX360_VENDOR(0x03f0), /* HP HyperX Xbox 360 controllers */ XPAD_XBOXONE_VENDOR(0x03f0), /* HP HyperX Xbox One controllers */ XPAD_XBOX360_VENDOR(0x044f), /* Thrustmaster Xbox 360 controllers */ XPAD_XBOX360_VENDOR(0x045e), /* Microsoft Xbox 360 controllers */ diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 037fcf826407..a0767ce1bd13 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -1706,6 +1706,14 @@ static size_t iommu_dma_opt_mapping_size(void) return iova_rcache_range(); }

+static size_t iommu_dma_max_mapping_size(struct device *dev) +{ + if (dev_is_untrusted(dev)) + return swiotlb_max_mapping_size(dev); + + return SIZE_MAX; +} + static const struct dma_map_ops iommu_dma_ops = { .flags = DMA_F_PCI_P2PDMA_SUPPORTED, .alloc = iommu_dma_alloc, @@ -1728,6 +1736,7 @@ static const struct dma_map_ops iommu_dma_ops = { .unmap_resource = iommu_dma_unmap_resource, .get_merge_boundary = iommu_dma_get_merge_boundary, .opt_mapping_size = iommu_dma_opt_mapping_size, + .max_mapping_size = iommu_dma_max_mapping_size, };

/* diff --git a/drivers/irqchip/irq-renesas-rzg2l.c b/drivers/irqchip/irq-renesas-rzg2l.c index fe8d516f3614..dc822111fc5d 100644 --- a/drivers/irqchip/irq-renesas-rzg2l.c +++ b/drivers/irqchip/irq-renesas-rzg2l.c @@ -28,8 +28,7 @@ #define ISCR 0x10 #define IITSR 0x14 #define TSCR 0x20 -#define TITSR0 0x24 -#define TITSR1 0x28 +#define TITSR(n) (0x24 + (n) * 4) #define TITSR0_MAX_INT 16 #define TITSEL_WIDTH 0x2 #define TSSR(n) (0x30 + ((n) * 4)) @@ -67,28 +66,43 @@ static struct rzg2l_irqc_priv *irq_data_to_priv(struct irq_data *data) return data->domain->host_data; }

-static void rzg2l_irq_eoi(struct irq_data *d) +static void rzg2l_clear_irq_int(struct rzg2l_irqc_priv *priv, unsigned int hwirq) { - unsigned int hw_irq = irqd_to_hwirq(d) - IRQC_IRQ_START; - struct rzg2l_irqc_priv *priv = irq_data_to_priv(d); + unsigned int hw_irq = hwirq - IRQC_IRQ_START; u32 bit = BIT(hw_irq); - u32 reg; + u32 iitsr, iscr;

- reg = readl_relaxed(priv->base + ISCR); - if (reg & bit) - writel_relaxed(reg & ~bit, priv->base + ISCR); + iscr = readl_relaxed(priv->base + ISCR); + iitsr = readl_relaxed(priv->base + IITSR); + + /* + * ISCR can only be cleared if the type is falling-edge, rising-edge or + * falling/rising-edge. + */ + if ((iscr & bit) && (iitsr & IITSR_IITSEL_MASK(hw_irq))) { + writel_relaxed(iscr & ~bit, priv->base + ISCR); + /* + * Enforce that the posted write is flushed to prevent that the + * just handled interrupt is raised again. + */ + readl_relaxed(priv->base + ISCR); + } }

-static void rzg2l_tint_eoi(struct irq_data *d) +static void rzg2l_clear_tint_int(struct rzg2l_irqc_priv *priv, unsigned int hwirq) { - unsigned int hw_irq = irqd_to_hwirq(d) - IRQC_TINT_START; - struct rzg2l_irqc_priv *priv = irq_data_to_priv(d); - u32 bit = BIT(hw_irq); + u32 bit = BIT(hwirq - IRQC_TINT_START); u32 reg;

reg = readl_relaxed(priv->base + TSCR); - if (reg & bit) + if (reg & bit) { writel_relaxed(reg & ~bit, priv->base + TSCR); + /* + * Enforce that the posted write is flushed to prevent that the + * just handled interrupt is raised again. + */ + readl_relaxed(priv->base + TSCR); + } }

static void rzg2l_irqc_eoi(struct irq_data *d) @@ -98,9 +112,9 @@ static void rzg2l_irqc_eoi(struct irq_data *d)

raw_spin_lock(&priv->lock); if (hw_irq >= IRQC_IRQ_START && hw_irq <= IRQC_IRQ_COUNT) - rzg2l_irq_eoi(d); + rzg2l_clear_irq_int(priv, hw_irq); else if (hw_irq >= IRQC_TINT_START && hw_irq < IRQC_NUM_IRQ) - rzg2l_tint_eoi(d); + rzg2l_clear_tint_int(priv, hw_irq); raw_spin_unlock(&priv->lock); irq_chip_eoi_parent(d); } @@ -148,8 +162,10 @@ static void rzg2l_irqc_irq_enable(struct irq_data *d)

static int rzg2l_irq_set_type(struct irq_data *d, unsigned int type) { - unsigned int hw_irq = irqd_to_hwirq(d) - IRQC_IRQ_START; struct rzg2l_irqc_priv *priv = irq_data_to_priv(d); + unsigned int hwirq = irqd_to_hwirq(d); + u32 iitseln = hwirq - IRQC_IRQ_START; + bool clear_irq_int = false; u16 sense, tmp;

switch (type & IRQ_TYPE_SENSE_MASK) { @@ -159,14 +175,17 @@ static int rzg2l_irq_set_type(struct irq_data *d, unsigned int type)

case IRQ_TYPE_EDGE_FALLING: sense = IITSR_IITSEL_EDGE_FALLING; + clear_irq_int = true; break;

case IRQ_TYPE_EDGE_RISING: sense = IITSR_IITSEL_EDGE_RISING; + clear_irq_int = true; break;

case IRQ_TYPE_EDGE_BOTH: sense = IITSR_IITSEL_EDGE_BOTH; + clear_irq_int = true; break;

default: @@ -175,22 +194,40 @@ static int rzg2l_irq_set_type(struct irq_data *d, unsigned int type)

raw_spin_lock(&priv->lock); tmp = readl_relaxed(priv->base + IITSR); - tmp &= ~IITSR_IITSEL_MASK(hw_irq); - tmp |= IITSR_IITSEL(hw_irq, sense); + tmp &= ~IITSR_IITSEL_MASK(iitseln); + tmp |= IITSR_IITSEL(iitseln, sense); + if (clear_irq_int) + rzg2l_clear_irq_int(priv, hwirq); writel_relaxed(tmp, priv->base + IITSR); raw_spin_unlock(&priv->lock);

return 0; }

+static u32 rzg2l_disable_tint_and_set_tint_source(struct irq_data *d, struct rzg2l_irqc_priv *priv, + u32 reg, u32 tssr_offset, u8 tssr_index) +{ + u32 tint = (u32)(uintptr_t)irq_data_get_irq_chip_data(d); + u32 tien = reg & (TIEN << TSSEL_SHIFT(tssr_offset)); + + /* Clear the relevant byte in reg */ + reg &= ~(TSSEL_MASK << TSSEL_SHIFT(tssr_offset)); + /* Set TINT and leave TIEN clear */ + reg |= tint << TSSEL_SHIFT(tssr_offset); + writel_relaxed(reg, priv->base + TSSR(tssr_index)); + + return reg | tien; +} + static int rzg2l_tint_set_edge(struct irq_data *d, unsigned int type) { struct rzg2l_irqc_priv *priv = irq_data_to_priv(d); unsigned int hwirq = irqd_to_hwirq(d); u32 titseln = hwirq - IRQC_TINT_START; - u32 offset; - u8 sense; - u32 reg; + u32 tssr_offset = TSSR_OFFSET(titseln); + u8 tssr_index = TSSR_INDEX(titseln); + u8 index, sense; + u32 reg, tssr;

switch (type & IRQ_TYPE_SENSE_MASK) { case IRQ_TYPE_EDGE_RISING: @@ -205,17 +242,21 @@ static int rzg2l_tint_set_edge(struct irq_data *d, unsigned int type) return -EINVAL; }

- offset = TITSR0; + index = 0; if (titseln >= TITSR0_MAX_INT) { titseln -= TITSR0_MAX_INT; - offset = TITSR1; + index = 1; }

raw_spin_lock(&priv->lock); - reg = readl_relaxed(priv->base + offset); + tssr = readl_relaxed(priv->base + TSSR(tssr_index)); + tssr = rzg2l_disable_tint_and_set_tint_source(d, priv, tssr, tssr_offset, tssr_index); + reg = readl_relaxed(priv->base + TITSR(index)); reg &= ~(IRQ_MASK << (titseln * TITSEL_WIDTH)); reg |= sense << (titseln * TITSEL_WIDTH); - writel_relaxed(reg, priv->base + offset); + writel_relaxed(reg, priv->base + TITSR(index)); + rzg2l_clear_tint_int(priv, hwirq); + writel_relaxed(tssr, priv->base + TSSR(tssr_index)); raw_spin_unlock(&priv->lock);

return 0; diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c index d76214fa9ad8..79719fc8a08f 100644 --- a/drivers/leds/trigger/ledtrig-netdev.c +++ b/drivers/leds/trigger/ledtrig-netdev.c @@ -462,12 +462,12 @@ static int netdev_trig_notify(struct notifier_block *nb, trigger_data->duplex = DUPLEX_UNKNOWN; switch (evt) { case NETDEV_CHANGENAME: - get_device_state(trigger_data); - fallthrough; case NETDEV_REGISTER: dev_put(trigger_data->net_dev); dev_hold(dev); trigger_data->net_dev = dev; + if (evt == NETDEV_CHANGENAME) + get_device_state(trigger_data); break; case NETDEV_UNREGISTER: dev_put(trigger_data->net_dev); diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 13eb47b997f9..d97355e9b9a6 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -213,6 +213,7 @@ struct raid_dev { #define RT_FLAG_RS_IN_SYNC 6 #define RT_FLAG_RS_RESYNCING 7 #define RT_FLAG_RS_GROW 8 +#define RT_FLAG_RS_FROZEN 9

/* Array elements of 64 bit needed for rebuild/failed disk bits */ #define DISKS_ARRAY_ELEMS ((MAX_RAID_DEVICES + (sizeof(uint64_t) * 8 - 1)) / sizeof(uint64_t) / 8) @@ -3240,11 +3241,12 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv) rs->md.ro = 1; rs->md.in_sync = 1;

- /* Keep array frozen until resume. */ - set_bit(MD_RECOVERY_FROZEN, &rs->md.recovery); - /* Has to be held on running the array */ mddev_suspend_and_lock_nointr(&rs->md); + + /* Keep array frozen until resume. */ + md_frozen_sync_thread(&rs->md); + r = md_run(&rs->md); rs->md.in_sync = 0; /* Assume already marked dirty */ if (r) { @@ -3339,7 +3341,8 @@ static int raid_map(struct dm_target *ti, struct bio *bio) if (unlikely(bio_has_data(bio) && bio_end_sector(bio) > mddev->array_sectors)) return DM_MAPIO_REQUEUE;

- md_handle_request(mddev, bio); + if (unlikely(!md_handle_request(mddev, bio))) + return DM_MAPIO_REQUEUE;

return DM_MAPIO_SUBMITTED; } @@ -3718,21 +3721,33 @@ static int raid_message(struct dm_target *ti, unsigned int argc, char **argv, { struct raid_set *rs = ti->private; struct mddev *mddev = &rs->md; + int ret = 0;

if (!mddev->pers || !mddev->pers->sync_request) return -EINVAL;

- if (!strcasecmp(argv[0], "frozen")) - set_bit(MD_RECOVERY_FROZEN, &mddev->recovery); - else - clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + if (test_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags) || + test_bit(RT_FLAG_RS_FROZEN, &rs->runtime_flags)) + return -EBUSY;

- if (!strcasecmp(argv[0], "idle") || !strcasecmp(argv[0], "frozen")) { - if (mddev->sync_thread) { - set_bit(MD_RECOVERY_INTR, &mddev->recovery); - md_reap_sync_thread(mddev); - } - } else if (decipher_sync_action(mddev, mddev->recovery) != st_idle) + if (!strcasecmp(argv[0], "frozen")) { + ret = mddev_lock(mddev); + if (ret) + return ret; + + md_frozen_sync_thread(mddev); + mddev_unlock(mddev); + } else if (!strcasecmp(argv[0], "idle")) { + ret = mddev_lock(mddev); + if (ret) + return ret; + + md_idle_sync_thread(mddev); + mddev_unlock(mddev); + } + + clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + if (decipher_sync_action(mddev, mddev->recovery) != st_idle) return -EBUSY; else if (!strcasecmp(argv[0], "resync")) ; /* MD_RECOVERY_NEEDED set below */ @@ -3791,15 +3806,46 @@ static void raid_io_hints(struct dm_target *ti, struct queue_limits *limits) blk_limits_io_opt(limits, chunk_size_bytes * mddev_data_stripes(rs)); }

+static void raid_presuspend(struct dm_target *ti) +{ + struct raid_set *rs = ti->private; + struct mddev *mddev = &rs->md; + + /* + * From now on, disallow raid_message() to change sync_thread until + * resume, raid_postsuspend() is too late. + */ + set_bit(RT_FLAG_RS_FROZEN, &rs->runtime_flags); + + if (!reshape_interrupted(mddev)) + return; + + /* + * For raid456, if reshape is interrupted, IO across reshape position + * will never make progress, while caller will wait for IO to be done. + * Inform raid456 to handle those IO to prevent deadlock. + */ + if (mddev->pers && mddev->pers->prepare_suspend) + mddev->pers->prepare_suspend(mddev); +} + +static void raid_presuspend_undo(struct dm_target *ti) +{ + struct raid_set *rs = ti->private; + + clear_bit(RT_FLAG_RS_FROZEN, &rs->runtime_flags); +} + static void raid_postsuspend(struct dm_target *ti) { struct raid_set *rs = ti->private;

if (!test_and_set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags)) { - /* Writes have to be stopped before suspending to avoid deadlocks. */ - if (!test_bit(MD_RECOVERY_FROZEN, &rs->md.recovery)) - md_stop_writes(&rs->md); - + /* + * sync_thread must be stopped during suspend, and writes have + * to be stopped before suspending to avoid deadlocks. + */ + md_stop_writes(&rs->md); mddev_suspend(&rs->md, false); } } @@ -4012,8 +4058,6 @@ static int raid_preresume(struct dm_target *ti) }

/* Check for any resize/reshape on @rs and adjust/initiate */ - /* Be prepared for mddev_resume() in raid_resume() */ - set_bit(MD_RECOVERY_FROZEN, &mddev->recovery); if (mddev->recovery_cp && mddev->recovery_cp < MaxSector) { set_bit(MD_RECOVERY_REQUESTED, &mddev->recovery); mddev->resync_min = mddev->recovery_cp; @@ -4047,7 +4091,9 @@ static void raid_resume(struct dm_target *ti) * Take this opportunity to check whether any failed * devices are reachable again. */ + mddev_lock_nointr(mddev); attempt_restore_of_faulty_devices(rs); + mddev_unlock(mddev); }

if (test_and_clear_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags)) { @@ -4055,10 +4101,13 @@ static void raid_resume(struct dm_target *ti) if (mddev->delta_disks < 0) rs_set_capacity(rs);

+ WARN_ON_ONCE(!test_bit(MD_RECOVERY_FROZEN, &mddev->recovery)); + WARN_ON_ONCE(test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)); + clear_bit(RT_FLAG_RS_FROZEN, &rs->runtime_flags); mddev_lock_nointr(mddev); - clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); mddev->ro = 0; mddev->in_sync = 0; + md_unfrozen_sync_thread(mddev); mddev_unlock_and_resume(mddev); } } @@ -4074,6 +4123,8 @@ static struct target_type raid_target = { .message = raid_message, .iterate_devices = raid_iterate_devices, .io_hints = raid_io_hints, + .presuspend = raid_presuspend, + .presuspend_undo = raid_presuspend_undo, .postsuspend = raid_postsuspend, .preresume = raid_preresume, .resume = raid_resume, diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index bf7a574499a3..0ace06d1bee3 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -684,8 +684,10 @@ static void dm_exception_table_exit(struct dm_exception_table *et, for (i = 0; i < size; i++) { slot = et->table + i;

- hlist_bl_for_each_entry_safe(ex, pos, n, slot, hash_list) + hlist_bl_for_each_entry_safe(ex, pos, n, slot, hash_list) { kmem_cache_free(mem, ex); + cond_resched(); + } }

kvfree(et->table); diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index 9672f75c3050..a4976ceae868 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -234,7 +234,8 @@ static int __write_sb_page(struct md_rdev *rdev, struct bitmap *bitmap, sector_t doff;

bdev = (rdev->meta_bdev) ? rdev->meta_bdev : rdev->bdev; - if (pg_index == store->file_pages - 1) { + /* we compare length (page numbers), not page offset. */ + if ((pg_index - store->sb_index) == store->file_pages - 1) { unsigned int last_page_size = store->bytes & (PAGE_SIZE - 1);

if (last_page_size == 0) @@ -438,8 +439,8 @@ static void filemap_write_page(struct bitmap *bitmap, unsigned long pg_index, struct page *page = store->filemap[pg_index];

if (mddev_is_clustered(bitmap->mddev)) { - pg_index += bitmap->cluster_slot * - DIV_ROUND_UP(store->bytes, PAGE_SIZE); + /* go to node bitmap area starting point */ + pg_index += store->sb_index; }

if (store->file) @@ -952,6 +953,7 @@ static void md_bitmap_file_set_bit(struct bitmap *bitmap, sector_t block) unsigned long index = file_page_index(store, chunk); unsigned long node_offset = 0;

+ index += store->sb_index; if (mddev_is_clustered(bitmap->mddev)) node_offset = bitmap->cluster_slot * store->file_pages;

@@ -982,6 +984,7 @@ static void md_bitmap_file_clear_bit(struct bitmap *bitmap, sector_t block) unsigned long index = file_page_index(store, chunk); unsigned long node_offset = 0;

+ index += store->sb_index; if (mddev_is_clustered(bitmap->mddev)) node_offset = bitmap->cluster_slot * store->file_pages;

diff --git a/drivers/md/md.c b/drivers/md/md.c index 99b60d37114c..67befb598cdd 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -99,18 +99,6 @@ static void mddev_detach(struct mddev *mddev); static void export_rdev(struct md_rdev *rdev, struct mddev *mddev); static void md_wakeup_thread_directly(struct md_thread __rcu *thread);

-enum md_ro_state { - MD_RDWR, - MD_RDONLY, - MD_AUTO_READ, - MD_MAX_STATE -}; - -static bool md_is_rdwr(struct mddev *mddev) -{ - return (mddev->ro == MD_RDWR); -} - /* * Default number of read corrections we'll attempt on an rdev * before ejecting it from the array. We divide the read error @@ -378,7 +366,7 @@ static bool is_suspended(struct mddev *mddev, struct bio *bio) return true; }

-void md_handle_request(struct mddev *mddev, struct bio *bio) +bool md_handle_request(struct mddev *mddev, struct bio *bio) { check_suspended: if (is_suspended(mddev, bio)) { @@ -386,7 +374,7 @@ void md_handle_request(struct mddev *mddev, struct bio *bio) /* Bail out if REQ_NOWAIT is set for the bio */ if (bio->bi_opf & REQ_NOWAIT) { bio_wouldblock_error(bio); - return; + return true; } for (;;) { prepare_to_wait(&mddev->sb_wait, &__wait, @@ -402,10 +390,13 @@ void md_handle_request(struct mddev *mddev, struct bio *bio)

if (!mddev->pers->make_request(mddev, bio)) { percpu_ref_put(&mddev->active_io); + if (!mddev->gendisk && mddev->pers->prepare_suspend) + return false; goto check_suspended; }

percpu_ref_put(&mddev->active_io); + return true; } EXPORT_SYMBOL(md_handle_request);

@@ -4945,6 +4936,35 @@ static void stop_sync_thread(struct mddev *mddev, bool locked, bool check_seq) mddev_lock_nointr(mddev); }

+void md_idle_sync_thread(struct mddev *mddev) +{ + lockdep_assert_held(&mddev->reconfig_mutex); + + clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + stop_sync_thread(mddev, true, true); +} +EXPORT_SYMBOL_GPL(md_idle_sync_thread); + +void md_frozen_sync_thread(struct mddev *mddev) +{ + lockdep_assert_held(&mddev->reconfig_mutex); + + set_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + stop_sync_thread(mddev, true, false); +} +EXPORT_SYMBOL_GPL(md_frozen_sync_thread); + +void md_unfrozen_sync_thread(struct mddev *mddev) +{ + lockdep_assert_held(&mddev->reconfig_mutex); + + clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); + md_wakeup_thread(mddev->thread); + sysfs_notify_dirent_safe(mddev->sysfs_action); +} +EXPORT_SYMBOL_GPL(md_unfrozen_sync_thread); + static void idle_sync_thread(struct mddev *mddev) { mutex_lock(&mddev->sync_mutex); @@ -6064,7 +6084,10 @@ int md_run(struct mddev *mddev) pr_warn("True protection against single-disk failure might be compromised.\n"); }

- mddev->recovery = 0; + /* dm-raid expect sync_thread to be frozen until resume */ + if (mddev->gendisk) + mddev->recovery = 0; + /* may be over-ridden by personality */ mddev->resync_max_sectors = mddev->dev_sectors;

@@ -6349,7 +6372,6 @@ static void md_clean(struct mddev *mddev)

static void __md_stop_writes(struct mddev *mddev) { - stop_sync_thread(mddev, true, false); del_timer_sync(&mddev->safemode_timer);

if (mddev->pers && mddev->pers->quiesce) { @@ -6374,6 +6396,8 @@ static void __md_stop_writes(struct mddev *mddev) void md_stop_writes(struct mddev *mddev) { mddev_lock_nointr(mddev); + set_bit(MD_RECOVERY_FROZEN, &mddev->recovery); + stop_sync_thread(mddev, true, false); __md_stop_writes(mddev); mddev_unlock(mddev); } @@ -8769,6 +8793,23 @@ void md_account_bio(struct mddev *mddev, struct bio **bio) } EXPORT_SYMBOL_GPL(md_account_bio);

+void md_free_cloned_bio(struct bio *bio) +{ + struct md_io_clone *md_io_clone = bio->bi_private; + struct bio *orig_bio = md_io_clone->orig_bio; + struct mddev *mddev = md_io_clone->mddev; + + if (bio->bi_status && !orig_bio->bi_status) + orig_bio->bi_status = bio->bi_status; + + if (md_io_clone->start_time) + bio_end_io_acct(orig_bio, md_io_clone->start_time); + + bio_put(bio); + percpu_ref_put(&mddev->active_io); +} +EXPORT_SYMBOL_GPL(md_free_cloned_bio); + /* md_allow_write(mddev) * Calling this ensures that the array is marked 'active' so that writes * may proceed without blocking. It is important to call this before @@ -9302,9 +9343,14 @@ static bool md_spares_need_change(struct mddev *mddev) { struct md_rdev *rdev;

- rdev_for_each(rdev, mddev) - if (rdev_removeable(rdev) || rdev_addable(rdev)) + rcu_read_lock(); + rdev_for_each_rcu(rdev, mddev) { + if (rdev_removeable(rdev) || rdev_addable(rdev)) { + rcu_read_unlock(); return true; + } + } + rcu_read_unlock(); return false; }

diff --git a/drivers/md/md.h b/drivers/md/md.h index 27d187ca6258..375ad4a2df71 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -559,6 +559,37 @@ enum recovery_flags { MD_RESYNCING_REMOTE, /* remote node is running resync thread */ };

+enum md_ro_state { + MD_RDWR, + MD_RDONLY, + MD_AUTO_READ, + MD_MAX_STATE +}; + +static inline bool md_is_rdwr(struct mddev *mddev) +{ + return (mddev->ro == MD_RDWR); +} + +static inline bool reshape_interrupted(struct mddev *mddev) +{ + /* reshape never start */ + if (mddev->reshape_position == MaxSector) + return false; + + /* interrupted */ + if (!test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) + return true; + + /* running reshape will be interrupted soon. */ + if (test_bit(MD_RECOVERY_WAIT, &mddev->recovery) || + test_bit(MD_RECOVERY_INTR, &mddev->recovery) || + test_bit(MD_RECOVERY_FROZEN, &mddev->recovery)) + return true; + + return false; +} + static inline int __must_check mddev_lock(struct mddev *mddev) { return mutex_lock_interruptible(&mddev->reconfig_mutex); @@ -618,6 +649,7 @@ struct md_personality int (*start_reshape) (struct mddev *mddev); void (*finish_reshape) (struct mddev *mddev); void (*update_reshape_pos) (struct mddev *mddev); + void (*prepare_suspend) (struct mddev *mddev); /* quiesce suspends or resumes internal processing. * 1 - stop new actions and wait for action io to complete * 0 - return to normal behaviour @@ -751,6 +783,7 @@ extern void md_finish_reshape(struct mddev *mddev); void md_submit_discard_bio(struct mddev *mddev, struct md_rdev *rdev, struct bio *bio, sector_t start, sector_t size); void md_account_bio(struct mddev *mddev, struct bio **bio); +void md_free_cloned_bio(struct bio *bio);

extern bool __must_check md_flush_request(struct mddev *mddev, struct bio *bio); extern void md_super_write(struct mddev *mddev, struct md_rdev *rdev, @@ -779,9 +812,12 @@ extern void md_stop_writes(struct mddev *mddev); extern int md_rdev_init(struct md_rdev *rdev); extern void md_rdev_clear(struct md_rdev *rdev);

-extern void md_handle_request(struct mddev *mddev, struct bio *bio); +extern bool md_handle_request(struct mddev *mddev, struct bio *bio); extern int mddev_suspend(struct mddev *mddev, bool interruptible); extern void mddev_resume(struct mddev *mddev); +extern void md_idle_sync_thread(struct mddev *mddev); +extern void md_frozen_sync_thread(struct mddev *mddev); +extern void md_unfrozen_sync_thread(struct mddev *mddev);

extern void md_reload_sb(struct mddev *mddev, int raid_disk); extern void md_update_sb(struct mddev *mddev, int force); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index f03e4231bec1..e1d8b5199f81 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -763,6 +763,7 @@ enum stripe_result { STRIPE_RETRY, STRIPE_SCHEDULE_AND_RETRY, STRIPE_FAIL, + STRIPE_WAIT_RESHAPE, };

struct stripe_request_ctx { @@ -2422,7 +2423,7 @@ static int grow_one_stripe(struct r5conf *conf, gfp_t gfp) atomic_inc(&conf->active_stripes);

raid5_release_stripe(sh); - conf->max_nr_stripes++; + WRITE_ONCE(conf->max_nr_stripes, conf->max_nr_stripes + 1); return 1; }

@@ -2717,7 +2718,7 @@ static int drop_one_stripe(struct r5conf *conf) shrink_buffers(sh); free_stripe(conf->slab_cache, sh); atomic_dec(&conf->active_stripes); - conf->max_nr_stripes--; + WRITE_ONCE(conf->max_nr_stripes, conf->max_nr_stripes - 1); return 1; }

@@ -5991,7 +5992,8 @@ static enum stripe_result make_stripe_request(struct mddev *mddev, if (ahead_of_reshape(mddev, logical_sector, conf->reshape_safe)) { spin_unlock_irq(&conf->device_lock); - return STRIPE_SCHEDULE_AND_RETRY; + ret = STRIPE_SCHEDULE_AND_RETRY; + goto out; } } spin_unlock_irq(&conf->device_lock); @@ -6070,6 +6072,12 @@ static enum stripe_result make_stripe_request(struct mddev *mddev,

out_release: raid5_release_stripe(sh); +out: + if (ret == STRIPE_SCHEDULE_AND_RETRY && reshape_interrupted(mddev)) { + bi->bi_status = BLK_STS_RESOURCE; + ret = STRIPE_WAIT_RESHAPE; + pr_err_ratelimited("dm-raid456: io across reshape position while reshape can't make progress"); + } return ret; }

@@ -6191,7 +6199,7 @@ static bool raid5_make_request(struct mddev *mddev, struct bio * bi) while (1) { res = make_stripe_request(mddev, conf, &ctx, logical_sector, bi); - if (res == STRIPE_FAIL) + if (res == STRIPE_FAIL || res == STRIPE_WAIT_RESHAPE) break;

if (res == STRIPE_RETRY) @@ -6229,6 +6237,11 @@ static bool raid5_make_request(struct mddev *mddev, struct bio * bi)

if (rw == WRITE) md_write_end(mddev); + if (res == STRIPE_WAIT_RESHAPE) { + md_free_cloned_bio(bi); + return false; + } + bio_endio(bi); return true; } @@ -6878,7 +6891,7 @@ raid5_set_cache_size(struct mddev *mddev, int size) if (size <= 16 || size > 32768) return -EINVAL;

- conf->min_nr_stripes = size; + WRITE_ONCE(conf->min_nr_stripes, size); mutex_lock(&conf->cache_size_mutex); while (size < conf->max_nr_stripes && drop_one_stripe(conf)) @@ -6890,7 +6903,7 @@ raid5_set_cache_size(struct mddev *mddev, int size) mutex_lock(&conf->cache_size_mutex); while (size > conf->max_nr_stripes) if (!grow_one_stripe(conf, GFP_KERNEL)) { - conf->min_nr_stripes = conf->max_nr_stripes; + WRITE_ONCE(conf->min_nr_stripes, conf->max_nr_stripes); result = -ENOMEM; break; } @@ -7448,11 +7461,13 @@ static unsigned long raid5_cache_count(struct shrinker *shrink, struct shrink_control *sc) { struct r5conf *conf = shrink->private_data; + int max_stripes = READ_ONCE(conf->max_nr_stripes); + int min_stripes = READ_ONCE(conf->min_nr_stripes);

- if (conf->max_nr_stripes < conf->min_nr_stripes) + if (max_stripes < min_stripes) /* unlikely, but not impossible */ return 0; - return conf->max_nr_stripes - conf->min_nr_stripes; + return max_stripes - min_stripes; }

static struct r5conf *setup_conf(struct mddev *mddev) @@ -8981,6 +8996,18 @@ static int raid5_start(struct mddev *mddev) return r5l_start(conf->log); }

+/* + * This is only used for dm-raid456, caller already frozen sync_thread, hence + * if rehsape is still in progress, io that is waiting for reshape can never be + * done now, hence wake up and handle those IO. + */ +static void raid5_prepare_suspend(struct mddev *mddev) +{ + struct r5conf *conf = mddev->private; + + wake_up(&conf->wait_for_overlap); +} + static struct md_personality raid6_personality = { .name = "raid6", @@ -9004,6 +9031,7 @@ static struct md_personality raid6_personality = .quiesce = raid5_quiesce, .takeover = raid6_takeover, .change_consistency_policy = raid5_change_consistency_policy, + .prepare_suspend = raid5_prepare_suspend, }; static struct md_personality raid5_personality = { @@ -9028,6 +9056,7 @@ static struct md_personality raid5_personality = .quiesce = raid5_quiesce, .takeover = raid5_takeover, .change_consistency_policy = raid5_change_consistency_policy, + .prepare_suspend = raid5_prepare_suspend, };

static struct md_personality raid4_personality = @@ -9053,6 +9082,7 @@ static struct md_personality raid4_personality = .quiesce = raid5_quiesce, .takeover = raid4_takeover, .change_consistency_policy = raid5_change_consistency_policy, + .prepare_suspend = raid5_prepare_suspend, };

static int __init raid5_init(void) diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c index 543a392f8635..0e28b9a7936e 100644 --- a/drivers/media/mc/mc-entity.c +++ b/drivers/media/mc/mc-entity.c @@ -535,14 +535,15 @@ static int media_pipeline_walk_push(struct media_pipeline_walk *walk,

/* * Move the top entry link cursor to the next link. If all links of the entry - * have been visited, pop the entry itself. + * have been visited, pop the entry itself. Return true if the entry has been + * popped. */ -static void media_pipeline_walk_pop(struct media_pipeline_walk *walk) +static bool media_pipeline_walk_pop(struct media_pipeline_walk *walk) { struct media_pipeline_walk_entry *entry;

if (WARN_ON(walk->stack.top < 0)) - return; + return false;

entry = media_pipeline_walk_top(walk);

@@ -552,7 +553,7 @@ static void media_pipeline_walk_pop(struct media_pipeline_walk *walk) walk->stack.top);

walk->stack.top--; - return; + return true; }

entry->links = entry->links->next; @@ -560,6 +561,8 @@ static void media_pipeline_walk_pop(struct media_pipeline_walk *walk) dev_dbg(walk->mdev->dev, "media pipeline: moved entry %u to next link\n", walk->stack.top); + + return false; }

/* Free all memory allocated while walking the pipeline. */ @@ -605,30 +608,24 @@ static int media_pipeline_explore_next_link(struct media_pipeline *pipe, struct media_pipeline_walk *walk) { struct media_pipeline_walk_entry *entry = media_pipeline_walk_top(walk); - struct media_pad *pad; + struct media_pad *origin; struct media_link *link; struct media_pad *local; struct media_pad *remote; + bool last_link; int ret;

- pad = entry->pad; + origin = entry->pad; link = list_entry(entry->links, typeof(*link), list); - media_pipeline_walk_pop(walk); + last_link = media_pipeline_walk_pop(walk);

dev_dbg(walk->mdev->dev, "media pipeline: exploring link '%s':%u -> '%s':%u\n", link->source->entity->name, link->source->index, link->sink->entity->name, link->sink->index);

- /* Skip links that are not enabled. */ - if (!(link->flags & MEDIA_LNK_FL_ENABLED)) { - dev_dbg(walk->mdev->dev, - "media pipeline: skipping link (disabled)\n"); - return 0; - } - /* Get the local pad and remote pad. */ - if (link->source->entity == pad->entity) { + if (link->source->entity == origin->entity) { local = link->source; remote = link->sink; } else { @@ -640,25 +637,64 @@ static int media_pipeline_explore_next_link(struct media_pipeline *pipe, * Skip links that originate from a different pad than the incoming pad * that is not connected internally in the entity to the incoming pad. */ - if (pad != local && - !media_entity_has_pad_interdep(pad->entity, pad->index, local->index)) { + if (origin != local && + !media_entity_has_pad_interdep(origin->entity, origin->index, + local->index)) { dev_dbg(walk->mdev->dev, "media pipeline: skipping link (no route)\n"); - return 0; + goto done; }

/* - * Add the local and remote pads of the link to the pipeline and push - * them to the stack, if they're not already present. + * Add the local pad of the link to the pipeline and push it to the + * stack, if not already present. */ ret = media_pipeline_add_pad(pipe, walk, local); if (ret) return ret;

+ /* Similarly, add the remote pad, but only if the link is enabled. */ + if (!(link->flags & MEDIA_LNK_FL_ENABLED)) { + dev_dbg(walk->mdev->dev, + "media pipeline: skipping link (disabled)\n"); + goto done; + } + ret = media_pipeline_add_pad(pipe, walk, remote); if (ret) return ret;

+done: + /* + * If we're done iterating over links, iterate over pads of the entity. + * This is necessary to discover pads that are not connected with any + * link. Those are dead ends from a pipeline exploration point of view, + * but are still part of the pipeline and need to be added to enable + * proper validation. + */ + if (!last_link) + return 0; + + dev_dbg(walk->mdev->dev, + "media pipeline: adding unconnected pads of '%s'\n", + local->entity->name); + + media_entity_for_each_pad(origin->entity, local) { + /* + * Skip the origin pad (already handled), pad that have links + * (already discovered through iterating over links) and pads + * not internally connected. + */ + if (origin == local || !local->num_links || + !media_entity_has_pad_interdep(origin->entity, origin->index, + local->index)) + continue; + + ret = media_pipeline_add_pad(pipe, walk, local); + if (ret) + return ret; + } + return 0; }

@@ -770,7 +806,6 @@ __must_check int __media_pipeline_start(struct media_pad *pad, struct media_pad *pad = ppad->pad; struct media_entity *entity = pad->entity; bool has_enabled_link = false; - bool has_link = false; struct media_link *link;

dev_dbg(mdev->dev, "Validating pad '%s':%u\n", pad->entity->name, @@ -800,7 +835,6 @@ __must_check int __media_pipeline_start(struct media_pad *pad, /* Record if the pad has links and enabled links. */ if (link->flags & MEDIA_LNK_FL_ENABLED) has_enabled_link = true; - has_link = true;

/* * Validate the link if it's enabled and has the @@ -838,7 +872,7 @@ __must_check int __media_pipeline_start(struct media_pad *pad, * 3. If the pad has the MEDIA_PAD_FL_MUST_CONNECT flag set, * ensure that it has either no link or an enabled link. */ - if ((pad->flags & MEDIA_PAD_FL_MUST_CONNECT) && has_link && + if ((pad->flags & MEDIA_PAD_FL_MUST_CONNECT) && !has_enabled_link) { dev_dbg(mdev->dev, "Pad '%s':%u must be connected by an enabled link\n", @@ -1038,6 +1072,9 @@ static void __media_entity_remove_link(struct media_entity *entity,

/* Remove the reverse links for a data link. */ if ((link->flags & MEDIA_LNK_FL_LINK_TYPE) == MEDIA_LNK_FL_DATA_LINK) { + link->source->num_links--; + link->sink->num_links--; + if (link->source->entity == entity) remote = link->sink->entity; else @@ -1092,6 +1129,11 @@ media_create_pad_link(struct media_entity *source, u16 source_pad, struct media_link *link; struct media_link *backlink;

+ if (flags & MEDIA_LNK_FL_LINK_TYPE) + return -EINVAL; + + flags |= MEDIA_LNK_FL_DATA_LINK; + if (WARN_ON(!source || !sink) || WARN_ON(source_pad >= source->num_pads) || WARN_ON(sink_pad >= sink->num_pads)) @@ -1107,7 +1149,7 @@ media_create_pad_link(struct media_entity *source, u16 source_pad,

link->source = &source->pads[source_pad]; link->sink = &sink->pads[sink_pad]; - link->flags = flags & ~MEDIA_LNK_FL_INTERFACE_LINK; + link->flags = flags;

/* Initialize graph object embedded at the new link */ media_gobj_create(source->graph_obj.mdev, MEDIA_GRAPH_LINK, @@ -1138,6 +1180,9 @@ media_create_pad_link(struct media_entity *source, u16 source_pad, sink->num_links++; source->num_links++;

+ link->source->num_links++; + link->sink->num_links++; + return 0; } EXPORT_SYMBOL_GPL(media_create_pad_link); diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c b/drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c index 792f031e032a..c9a4d091b570 100644 --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-crossbar.c @@ -161,7 +161,6 @@ mxc_isi_crossbar_xlate_streams(struct mxc_isi_crossbar *xbar,

pad = media_pad_remote_pad_first(&xbar->pads[sink_pad]); sd = media_entity_to_v4l2_subdev(pad->entity); - if (!sd) { dev_dbg(xbar->isi->dev, "no entity connected to crossbar input %u\n", @@ -465,7 +464,8 @@ int mxc_isi_crossbar_init(struct mxc_isi_dev *isi) }

for (i = 0; i < xbar->num_sinks; ++i) - xbar->pads[i].flags = MEDIA_PAD_FL_SINK; + xbar->pads[i].flags = MEDIA_PAD_FL_SINK + | MEDIA_PAD_FL_MUST_CONNECT; for (i = 0; i < xbar->num_sources; ++i) xbar->pads[i + xbar->num_sinks].flags = MEDIA_PAD_FL_SOURCE;

diff --git a/drivers/media/tuners/xc4000.c b/drivers/media/tuners/xc4000.c index 57ded9ff3f04..29bc63021c5a 100644 --- a/drivers/media/tuners/xc4000.c +++ b/drivers/media/tuners/xc4000.c @@ -1515,10 +1515,10 @@ static int xc4000_get_frequency(struct dvb_frontend *fe, u32 *freq) { struct xc4000_priv *priv = fe->tuner_priv;

+ mutex_lock(&priv->lock); *freq = priv->freq_hz + priv->freq_offset;

if (debug) { - mutex_lock(&priv->lock); if ((priv->cur_fw.type & (BASE | FM | DTV6 | DTV7 | DTV78 | DTV8)) == BASE) { u16 snr = 0; @@ -1529,8 +1529,8 @@ static int xc4000_get_frequency(struct dvb_frontend *fe, u32 *freq) return 0; } } - mutex_unlock(&priv->lock); } + mutex_unlock(&priv->lock);

dprintk(1, "%s()\n", __func__);

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 68d71b4b55bd..f8fdf8223818 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1773,6 +1773,7 @@ config TWL4030_CORE bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 Support" depends on I2C=y select IRQ_DOMAIN + select MFD_CORE select REGMAP_I2C help Say yes here if you have TWL4030 / TWL6030 family chip on your board. diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c index ae5759200622..cab11ed23b4f 100644 --- a/drivers/mfd/intel-lpss-pci.c +++ b/drivers/mfd/intel-lpss-pci.c @@ -18,18 +18,29 @@

#include "intel-lpss.h"

-/* Some DSDTs have an unused GEXP ACPI device conflicting with I2C4 resources */ -static const struct pci_device_id ignore_resource_conflicts_ids[] = { - /* Microsoft Surface Go (version 1) I2C4 */ - { PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x9d64, 0x152d, 0x1182), }, - /* Microsoft Surface Go 2 I2C4 */ - { PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x9d64, 0x152d, 0x1237), }, +static const struct pci_device_id quirk_ids[] = { + { + /* Microsoft Surface Go (version 1) I2C4 */ + PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x9d64, 0x152d, 0x1182), + .driver_data = QUIRK_IGNORE_RESOURCE_CONFLICTS, + }, + { + /* Microsoft Surface Go 2 I2C4 */ + PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x9d64, 0x152d, 0x1237), + .driver_data = QUIRK_IGNORE_RESOURCE_CONFLICTS, + }, + { + /* Dell XPS 9530 (2023) */ + PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x51fb, 0x1028, 0x0beb), + .driver_data = QUIRK_CLOCK_DIVIDER_UNITY, + }, { } };

static int intel_lpss_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { + const struct pci_device_id *quirk_pci_info; struct intel_lpss_platform_info *info; int ret;

@@ -45,8 +56,9 @@ static int intel_lpss_pci_probe(struct pci_dev *pdev, info->mem = &pdev->resource[0]; info->irq = pdev->irq;

- if (pci_match_id(ignore_resource_conflicts_ids, pdev)) - info->ignore_resource_conflicts = true; + quirk_pci_info = pci_match_id(quirk_ids, pdev); + if (quirk_pci_info) + info->quirks = quirk_pci_info->driver_data;

pdev->d3cold_delay = 0;

diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c index 00e7b578bb3e..d422e88ba491 100644 --- a/drivers/mfd/intel-lpss.c +++ b/drivers/mfd/intel-lpss.c @@ -292,6 +292,7 @@ static int intel_lpss_register_clock_divider(struct intel_lpss *lpss, { char name[32]; struct clk *tmp = *clk; + int ret;

snprintf(name, sizeof(name), "%s-enable", devname); tmp = clk_register_gate(NULL, name, __clk_get_name(tmp), 0, @@ -308,6 +309,12 @@ static int intel_lpss_register_clock_divider(struct intel_lpss *lpss, return PTR_ERR(tmp); *clk = tmp;

+ if (lpss->info->quirks & QUIRK_CLOCK_DIVIDER_UNITY) { + ret = clk_set_rate(tmp, lpss->info->clk_rate); + if (ret) + return ret; + } + snprintf(name, sizeof(name), "%s-update", devname); tmp = clk_register_gate(NULL, name, __clk_get_name(tmp), CLK_SET_RATE_PARENT, lpss->priv, 31, 0, NULL); @@ -401,7 +408,7 @@ int intel_lpss_probe(struct device *dev, return ret;

lpss->cell->swnode = info->swnode; - lpss->cell->ignore_resource_conflicts = info->ignore_resource_conflicts; + lpss->cell->ignore_resource_conflicts = info->quirks & QUIRK_IGNORE_RESOURCE_CONFLICTS;

intel_lpss_init_dev(lpss);

diff --git a/drivers/mfd/intel-lpss.h b/drivers/mfd/intel-lpss.h index 062ce95b68b9..f50d11d60d94 100644 --- a/drivers/mfd/intel-lpss.h +++ b/drivers/mfd/intel-lpss.h @@ -11,16 +11,28 @@ #ifndef __MFD_INTEL_LPSS_H #define __MFD_INTEL_LPSS_H

+#include <linux/bits.h> #include <linux/pm.h>

+/* + * Some DSDTs have an unused GEXP ACPI device conflicting with I2C4 resources. + * Set to ignore resource conflicts with ACPI declared SystemMemory regions. + */ +#define QUIRK_IGNORE_RESOURCE_CONFLICTS BIT(0) +/* + * Some devices have misconfigured clock divider due to a firmware bug. + * Set this to force the clock divider to 1:1 ratio. + */ +#define QUIRK_CLOCK_DIVIDER_UNITY BIT(1) + struct device; struct resource; struct software_node;

struct intel_lpss_platform_info { struct resource *mem; - bool ignore_resource_conflicts; int irq; + unsigned int quirks; unsigned long clk_rate; const char *clk_con_id; const struct software_node *swnode; diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 03319a1fa97f..dbd26c3b245b 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -263,7 +263,6 @@ struct fastrpc_channel_ctx { int domain_id; int sesscount; int vmcount; - u64 perms; struct qcom_scm_vmperm vmperms[FASTRPC_MAX_VMIDS]; struct rpmsg_device *rpdev; struct fastrpc_session_ctx session[FASTRPC_MAX_SESSIONS]; @@ -1279,9 +1278,11 @@ static int fastrpc_init_create_static_process(struct fastrpc_user *fl,

/* Map if we have any heap VMIDs associated with this ADSP Static Process. */ if (fl->cctx->vmcount) { + u64 src_perms = BIT(QCOM_SCM_VMID_HLOS); + err = qcom_scm_assign_mem(fl->cctx->remote_heap->phys, (u64)fl->cctx->remote_heap->size, - &fl->cctx->perms, + &src_perms, fl->cctx->vmperms, fl->cctx->vmcount); if (err) { dev_err(fl->sctx->dev, "Failed to assign memory with phys 0x%llx size 0x%llx err %d", @@ -1915,8 +1916,10 @@ static int fastrpc_req_mmap(struct fastrpc_user *fl, char __user *argp)

/* Add memory to static PD pool, protection thru hypervisor */ if (req.flags == ADSP_MMAP_REMOTE_HEAP_ADDR && fl->cctx->vmcount) { + u64 src_perms = BIT(QCOM_SCM_VMID_HLOS); + err = qcom_scm_assign_mem(buf->phys, (u64)buf->size, - &fl->cctx->perms, fl->cctx->vmperms, fl->cctx->vmcount); + &src_perms, fl->cctx->vmperms, fl->cctx->vmcount); if (err) { dev_err(fl->sctx->dev, "Failed to assign memory phys 0x%llx size 0x%llx err %d", buf->phys, buf->size, err); @@ -2290,7 +2293,6 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)

if (vmcount) { data->vmcount = vmcount; - data->perms = BIT(QCOM_SCM_VMID_HLOS); for (i = 0; i < data->vmcount; i++) { data->vmperms[i].vmid = vmids[i]; data->vmperms[i].perm = QCOM_SCM_PERM_RWX; diff --git a/drivers/misc/lis3lv02d/lis3lv02d_i2c.c b/drivers/misc/lis3lv02d/lis3lv02d_i2c.c index c6eb27d46cb0..15119584473c 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d_i2c.c +++ b/drivers/misc/lis3lv02d/lis3lv02d_i2c.c @@ -198,8 +198,14 @@ static int lis3lv02d_i2c_suspend(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct lis3lv02d *lis3 = i2c_get_clientdata(client);

- if (!lis3->pdata || !lis3->pdata->wakeup_flags) + /* Turn on for wakeup if turned off by runtime suspend */ + if (lis3->pdata && lis3->pdata->wakeup_flags) { + if (pm_runtime_suspended(dev)) + lis3lv02d_poweron(lis3); + /* For non wakeup turn off if not already turned off by runtime suspend */ + } else if (!pm_runtime_suspended(dev)) lis3lv02d_poweroff(lis3); + return 0; }

@@ -208,13 +214,12 @@ static int lis3lv02d_i2c_resume(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct lis3lv02d *lis3 = i2c_get_clientdata(client);

- /* - * pm_runtime documentation says that devices should always - * be powered on at resume. Pm_runtime turns them off after system - * wide resume is complete. - */ - if (!lis3->pdata || !lis3->pdata->wakeup_flags || - pm_runtime_suspended(dev)) + /* Turn back off if turned on for wakeup and runtime suspended*/ + if (lis3->pdata && lis3->pdata->wakeup_flags) { + if (pm_runtime_suspended(dev)) + lis3lv02d_poweroff(lis3); + /* For non wakeup turn back on if not runtime suspended */ + } else if (!pm_runtime_suspended(dev)) lis3lv02d_poweron(lis3);

return 0; diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h index 961e5d53a27a..aac36750d2c5 100644 --- a/drivers/misc/mei/hw-me-regs.h +++ b/drivers/misc/mei/hw-me-regs.h @@ -112,6 +112,8 @@ #define MEI_DEV_ID_RPL_S 0x7A68 /* Raptor Lake Point S */

#define MEI_DEV_ID_MTL_M 0x7E70 /* Meteor Lake Point M */ +#define MEI_DEV_ID_ARL_S 0x7F68 /* Arrow Lake Point S */ +#define MEI_DEV_ID_ARL_H 0x7770 /* Arrow Lake Point H */

/* * MEI HW Section diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 676d566f38dd..8cf636c54032 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -119,6 +119,8 @@ static const struct pci_device_id mei_me_pci_tbl[] = { {MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_CFG)},

{MEI_PCI_DEVICE(MEI_DEV_ID_MTL_M, MEI_ME_PCH15_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_ARL_S, MEI_ME_PCH15_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_ARL_H, MEI_ME_PCH15_CFG)},

/* required last entry */ {0, } diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c index ac69b7f361f5..7eb74711ac96 100644 --- a/drivers/misc/ocxl/file.c +++ b/drivers/misc/ocxl/file.c @@ -184,7 +184,7 @@ static irqreturn_t irq_handler(void *private) { struct eventfd_ctx *ev_ctx = private;

- eventfd_signal(ev_ctx, 1); + eventfd_signal(ev_ctx); return IRQ_HANDLED; }

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 32d49100dff5..3564a0f63c9c 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -413,7 +413,7 @@ static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user( struct mmc_blk_ioc_data *idata; int err;

- idata = kmalloc(sizeof(*idata), GFP_KERNEL); + idata = kzalloc(sizeof(*idata), GFP_KERNEL); if (!idata) { err = -ENOMEM; goto out; @@ -488,7 +488,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md, if (idata->flags & MMC_BLK_IOC_DROP) return 0;

- if (idata->flags & MMC_BLK_IOC_SBC) + if (idata->flags & MMC_BLK_IOC_SBC && i > 0) prev_idata = idatas[i - 1];

/* @@ -874,10 +874,11 @@ static const struct block_device_operations mmc_bdops = { static int mmc_blk_part_switch_pre(struct mmc_card *card, unsigned int part_type) { - const unsigned int mask = EXT_CSD_PART_CONFIG_ACC_RPMB; + const unsigned int mask = EXT_CSD_PART_CONFIG_ACC_MASK; + const unsigned int rpmb = EXT_CSD_PART_CONFIG_ACC_RPMB; int ret = 0;

- if ((part_type & mask) == mask) { + if ((part_type & mask) == rpmb) { if (card->ext_csd.cmdq_en) { ret = mmc_cmdq_disable(card); if (ret) @@ -892,10 +893,11 @@ static int mmc_blk_part_switch_pre(struct mmc_card *card, static int mmc_blk_part_switch_post(struct mmc_card *card, unsigned int part_type) { - const unsigned int mask = EXT_CSD_PART_CONFIG_ACC_RPMB; + const unsigned int mask = EXT_CSD_PART_CONFIG_ACC_MASK; + const unsigned int rpmb = EXT_CSD_PART_CONFIG_ACC_RPMB; int ret = 0;

- if ((part_type & mask) == mask) { + if ((part_type & mask) == rpmb) { mmc_retune_unpause(card->host); if (card->reenable_cmdq && !card->ext_csd.cmdq_en) ret = mmc_cmdq_enable(card); diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c index 3a3bae6948a8..a0524127ca07 100644 --- a/drivers/mmc/host/sdhci-of-dwcmshc.c +++ b/drivers/mmc/host/sdhci-of-dwcmshc.c @@ -584,6 +584,17 @@ static int dwcmshc_probe(struct platform_device *pdev) return err; }

+static void dwcmshc_disable_card_clk(struct sdhci_host *host) +{ + u16 ctrl; + + ctrl = sdhci_readw(host, SDHCI_CLOCK_CONTROL); + if (ctrl & SDHCI_CLOCK_CARD_EN) { + ctrl &= ~SDHCI_CLOCK_CARD_EN; + sdhci_writew(host, ctrl, SDHCI_CLOCK_CONTROL); + } +} + static void dwcmshc_remove(struct platform_device *pdev) { struct sdhci_host *host = platform_get_drvdata(pdev); @@ -591,8 +602,14 @@ static void dwcmshc_remove(struct platform_device *pdev) struct dwcmshc_priv *priv = sdhci_pltfm_priv(pltfm_host); struct rk35xx_priv *rk_priv = priv->priv;

+ pm_runtime_get_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + pm_runtime_put_noidle(&pdev->dev); + sdhci_remove_host(host, 0);

+ dwcmshc_disable_card_clk(host); + clk_disable_unprepare(pltfm_host->clk); clk_disable_unprepare(priv->bus_clk); if (rk_priv) @@ -684,17 +701,6 @@ static void dwcmshc_enable_card_clk(struct sdhci_host *host) } }

-static void dwcmshc_disable_card_clk(struct sdhci_host *host) -{ - u16 ctrl; - - ctrl = sdhci_readw(host, SDHCI_CLOCK_CONTROL); - if (ctrl & SDHCI_CLOCK_CARD_EN) { - ctrl &= ~SDHCI_CLOCK_CARD_EN; - sdhci_writew(host, ctrl, SDHCI_CLOCK_CONTROL); - } -} - static int dwcmshc_runtime_suspend(struct device *dev) { struct sdhci_host *host = dev_get_drvdata(dev); diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c index 1e0bc7bace1b..0a26831b3b67 100644 --- a/drivers/mmc/host/sdhci-omap.c +++ b/drivers/mmc/host/sdhci-omap.c @@ -1439,6 +1439,9 @@ static int __maybe_unused sdhci_omap_runtime_suspend(struct device *dev) struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);

+ if (host->tuning_mode != SDHCI_TUNING_MODE_3) + mmc_retune_needed(host->mmc); + if (omap_host->con != -EINVAL) sdhci_runtime_suspend_host(host);

diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c index be7f18fd4836..c253d176db69 100644 --- a/drivers/mmc/host/tmio_mmc_core.c +++ b/drivers/mmc/host/tmio_mmc_core.c @@ -259,6 +259,8 @@ static void tmio_mmc_reset_work(struct work_struct *work) else mrq->cmd->error = -ETIMEDOUT;

+ /* No new calls yet, but disallow concurrent tmio_mmc_done_work() */ + host->mrq = ERR_PTR(-EBUSY); host->cmd = NULL; host->data = NULL;

diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index 71ec4052e52a..b3a881cbcd23 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -63,7 +63,7 @@ #define CMDRWGEN(cmd_dir, ran, bch, short_mode, page_size, pages) \ ( \ (cmd_dir) | \ - ((ran) << 19) | \ + (ran) | \ ((bch) << 14) | \ ((short_mode) << 13) | \ (((page_size) & 0x7f) << 6) | \ diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index bbdcfbe643f3..ccbd42a427e7 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -1207,21 +1207,36 @@ static int nand_lp_exec_read_page_op(struct nand_chip *chip, unsigned int page, return nand_exec_op(chip, &op); }

+static unsigned int rawnand_last_page_of_lun(unsigned int pages_per_lun, unsigned int lun) +{ + /* lun is expected to be very small */ + return (lun * pages_per_lun) + pages_per_lun - 1; +} + static void rawnand_cap_cont_reads(struct nand_chip *chip) { struct nand_memory_organization *memorg; - unsigned int pages_per_lun, first_lun, last_lun; + unsigned int ppl, first_lun, last_lun;

memorg = nanddev_get_memorg(&chip->base); - pages_per_lun = memorg->pages_per_eraseblock * memorg->eraseblocks_per_lun; - first_lun = chip->cont_read.first_page / pages_per_lun; - last_lun = chip->cont_read.last_page / pages_per_lun; + ppl = memorg->pages_per_eraseblock * memorg->eraseblocks_per_lun; + first_lun = chip->cont_read.first_page / ppl; + last_lun = chip->cont_read.last_page / ppl;

/* Prevent sequential cache reads across LUN boundaries */ if (first_lun != last_lun) - chip->cont_read.pause_page = first_lun * pages_per_lun + pages_per_lun - 1; + chip->cont_read.pause_page = rawnand_last_page_of_lun(ppl, first_lun); else chip->cont_read.pause_page = chip->cont_read.last_page; + + if (chip->cont_read.first_page == chip->cont_read.pause_page) { + chip->cont_read.first_page++; + chip->cont_read.pause_page = min(chip->cont_read.last_page, + rawnand_last_page_of_lun(ppl, first_lun + 1)); + } + + if (chip->cont_read.first_page >= chip->cont_read.last_page) + chip->cont_read.ongoing = false; }

static int nand_lp_exec_cont_read_page_op(struct nand_chip *chip, unsigned int page, @@ -1288,12 +1303,11 @@ static int nand_lp_exec_cont_read_page_op(struct nand_chip *chip, unsigned int p if (!chip->cont_read.ongoing) return 0;

- if (page == chip->cont_read.pause_page && - page != chip->cont_read.last_page) { - chip->cont_read.first_page = chip->cont_read.pause_page + 1; - rawnand_cap_cont_reads(chip); - } else if (page == chip->cont_read.last_page) { + if (page == chip->cont_read.last_page) { chip->cont_read.ongoing = false; + } else if (page == chip->cont_read.pause_page) { + chip->cont_read.first_page++; + rawnand_cap_cont_reads(chip); }

return 0; @@ -3460,30 +3474,36 @@ static void rawnand_enable_cont_reads(struct nand_chip *chip, unsigned int page, u32 readlen, int col) { struct mtd_info *mtd = nand_to_mtd(chip); - unsigned int end_page, end_col; + unsigned int first_page, last_page;

chip->cont_read.ongoing = false;

if (!chip->controller->supported_op.cont_read) return;

- end_page = DIV_ROUND_UP(col + readlen, mtd->writesize); - end_col = (col + readlen) % mtd->writesize; + /* + * Don't bother making any calculations if the length is too small. + * Side effect: avoids possible integer underflows below. + */ + if (readlen < (2 * mtd->writesize)) + return;

+ /* Derive the page where continuous read should start (the first full page read) */ + first_page = page; if (col) - page++; + first_page++;

- if (end_col && end_page) - end_page--; + /* Derive the page where continuous read should stop (the last full page read) */ + last_page = page + ((col + readlen) / mtd->writesize) - 1;

- if (page + 1 > end_page) - return; - - chip->cont_read.first_page = page; - chip->cont_read.last_page = end_page; - chip->cont_read.ongoing = true; - - rawnand_cap_cont_reads(chip); + /* Configure and enable continuous read when suitable */ + if (first_page < last_page) { + chip->cont_read.first_page = first_page; + chip->cont_read.last_page = last_page; + chip->cont_read.ongoing = true; + /* May reset the ongoing flag */ + rawnand_cap_cont_reads(chip); + } }

static void rawnand_cont_read_skip_first_page(struct nand_chip *chip, unsigned int page) @@ -3492,10 +3512,7 @@ static void rawnand_cont_read_skip_first_page(struct nand_chip *chip, unsigned i return;

chip->cont_read.first_page++; - if (chip->cont_read.first_page == chip->cont_read.pause_page) - chip->cont_read.first_page++; - if (chip->cont_read.first_page >= chip->cont_read.last_page) - chip->cont_read.ongoing = false; + rawnand_cap_cont_reads(chip); }

/** @@ -3571,7 +3588,8 @@ static int nand_do_read_ops(struct nand_chip *chip, loff_t from, oob = ops->oobbuf; oob_required = oob ? 1 : 0;

- rawnand_enable_cont_reads(chip, page, readlen, col); + if (likely(ops->mode != MTD_OPS_RAW)) + rawnand_enable_cont_reads(chip, page, readlen, col);

while (1) { struct mtd_ecc_stats ecc_stats = mtd->ecc_stats; @@ -5189,6 +5207,15 @@ static void rawnand_late_check_supported_ops(struct nand_chip *chip) if (!nand_has_exec_op(chip)) return;

+ /* + * For now, continuous reads can only be used with the core page helpers. + * This can be extended later. + */ + if (!(chip->ecc.read_page == nand_read_page_hwecc || + chip->ecc.read_page == nand_read_page_syndrome || + chip->ecc.read_page == nand_read_page_swecc)) + return; + rawnand_check_cont_read_support(chip); }

diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c index 2a728c31e6b8..9a4940874be5 100644 --- a/drivers/mtd/ubi/fastmap.c +++ b/drivers/mtd/ubi/fastmap.c @@ -85,9 +85,10 @@ size_t ubi_calc_fm_size(struct ubi_device *ubi) sizeof(struct ubi_fm_scan_pool) + sizeof(struct ubi_fm_scan_pool) + (ubi->peb_count * sizeof(struct ubi_fm_ec)) + - (sizeof(struct ubi_fm_eba) + - (ubi->peb_count * sizeof(__be32))) + - sizeof(struct ubi_fm_volhdr) * UBI_MAX_VOLUMES; + ((sizeof(struct ubi_fm_eba) + + sizeof(struct ubi_fm_volhdr)) * + (UBI_MAX_VOLUMES + UBI_INT_VOL_COUNT)) + + (ubi->peb_count * sizeof(__be32)); return roundup(size, ubi->leb_size); }

diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c index f700f0e4f2ec..6e5489e233dd 100644 --- a/drivers/mtd/ubi/vtbl.c +++ b/drivers/mtd/ubi/vtbl.c @@ -791,6 +791,12 @@ int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_attach_info *ai) * The number of supported volumes is limited by the eraseblock size * and by the UBI_MAX_VOLUMES constant. */ + + if (ubi->leb_size < UBI_VTBL_RECORD_SIZE) { + ubi_err(ubi, "LEB size too small for a volume record"); + return -EINVAL; + } + ubi->vtbl_slots = ubi->leb_size / UBI_VTBL_RECORD_SIZE; if (ubi->vtbl_slots > UBI_MAX_VOLUMES) ubi->vtbl_slots = UBI_MAX_VOLUMES; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h index 8510b88d4982..f3cd5a376eca 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h @@ -24,7 +24,7 @@ TRACE_EVENT(hclge_pf_mbx_get, __field(u8, code) __field(u8, subcode) __string(pciname, pci_name(hdev->pdev)) - __string(devname, &hdev->vport[0].nic.kinfo.netdev->name) + __string(devname, hdev->vport[0].nic.kinfo.netdev->name) __array(u32, mbx_data, PF_GET_MBX_LEN) ),

@@ -33,7 +33,7 @@ TRACE_EVENT(hclge_pf_mbx_get, __entry->code = req->msg.code; __entry->subcode = req->msg.subcode; __assign_str(pciname, pci_name(hdev->pdev)); - __assign_str(devname, &hdev->vport[0].nic.kinfo.netdev->name); + __assign_str(devname, hdev->vport[0].nic.kinfo.netdev->name); memcpy(__entry->mbx_data, req, sizeof(struct hclge_mbx_vf_to_pf_cmd)); ), @@ -56,7 +56,7 @@ TRACE_EVENT(hclge_pf_mbx_send, __field(u8, vfid) __field(u16, code) __string(pciname, pci_name(hdev->pdev)) - __string(devname, &hdev->vport[0].nic.kinfo.netdev->name) + __string(devname, hdev->vport[0].nic.kinfo.netdev->name) __array(u32, mbx_data, PF_SEND_MBX_LEN) ),

@@ -64,7 +64,7 @@ TRACE_EVENT(hclge_pf_mbx_send, __entry->vfid = req->dest_vfid; __entry->code = le16_to_cpu(req->msg.code); __assign_str(pciname, pci_name(hdev->pdev)); - __assign_str(devname, &hdev->vport[0].nic.kinfo.netdev->name); + __assign_str(devname, hdev->vport[0].nic.kinfo.netdev->name); memcpy(__entry->mbx_data, req, sizeof(struct hclge_mbx_pf_to_vf_cmd)); ), diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h index 5d4895bb57a1..b259e95dd53c 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h @@ -23,7 +23,7 @@ TRACE_EVENT(hclge_vf_mbx_get, __field(u8, vfid) __field(u16, code) __string(pciname, pci_name(hdev->pdev)) - __string(devname, &hdev->nic.kinfo.netdev->name) + __string(devname, hdev->nic.kinfo.netdev->name) __array(u32, mbx_data, VF_GET_MBX_LEN) ),

@@ -31,7 +31,7 @@ TRACE_EVENT(hclge_vf_mbx_get, __entry->vfid = req->dest_vfid; __entry->code = le16_to_cpu(req->msg.code); __assign_str(pciname, pci_name(hdev->pdev)); - __assign_str(devname, &hdev->nic.kinfo.netdev->name); + __assign_str(devname, hdev->nic.kinfo.netdev->name); memcpy(__entry->mbx_data, req, sizeof(struct hclge_mbx_pf_to_vf_cmd)); ), @@ -55,7 +55,7 @@ TRACE_EVENT(hclge_vf_mbx_send, __field(u8, code) __field(u8, subcode) __string(pciname, pci_name(hdev->pdev)) - __string(devname, &hdev->nic.kinfo.netdev->name) + __string(devname, hdev->nic.kinfo.netdev->name) __array(u32, mbx_data, VF_SEND_MBX_LEN) ),

@@ -64,7 +64,7 @@ TRACE_EVENT(hclge_vf_mbx_send, __entry->code = req->msg.code; __entry->subcode = req->msg.subcode; __assign_str(pciname, pci_name(hdev->pdev)); - __assign_str(devname, &hdev->nic.kinfo.netdev->name); + __assign_str(devname, hdev->nic.kinfo.netdev->name); memcpy(__entry->mbx_data, req, sizeof(struct hclge_mbx_vf_to_pf_cmd)); ), diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index 9df39cf8b097..1072e2210aed 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -1443,7 +1443,7 @@ static int temac_probe(struct platform_device *pdev) }

/* map device registers */ - lp->regs = devm_platform_ioremap_resource_byname(pdev, 0); + lp->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(lp->regs)) { dev_err(&pdev->dev, "could not map TEMAC registers\n"); return -ENOMEM; diff --git a/drivers/net/wireguard/netlink.c b/drivers/net/wireguard/netlink.c index e220d761b1f2..f7055180ba4a 100644 --- a/drivers/net/wireguard/netlink.c +++ b/drivers/net/wireguard/netlink.c @@ -164,8 +164,8 @@ get_peer(struct wg_peer *peer, struct sk_buff *skb, struct dump_ctx *ctx) if (!allowedips_node) goto no_allowedips; if (!ctx->allowedips_seq) - ctx->allowedips_seq = peer->device->peer_allowedips.seq; - else if (ctx->allowedips_seq != peer->device->peer_allowedips.seq) + ctx->allowedips_seq = ctx->wg->peer_allowedips.seq; + else if (ctx->allowedips_seq != ctx->wg->peer_allowedips.seq) goto no_allowedips;

allowedips_nest = nla_nest_start(skb, WGPEER_A_ALLOWEDIPS); @@ -255,17 +255,17 @@ static int wg_get_device_dump(struct sk_buff *skb, struct netlink_callback *cb) if (!peers_nest) goto out; ret = 0; - /* If the last cursor was removed via list_del_init in peer_remove, then + lockdep_assert_held(&wg->device_update_lock); + /* If the last cursor was removed in peer_remove or peer_remove_all, then * we just treat this the same as there being no more peers left. The * reason is that seq_nr should indicate to userspace that this isn't a * coherent dump anyway, so they'll try again. */ if (list_empty(&wg->peer_list) || - (ctx->next_peer && list_empty(&ctx->next_peer->peer_list))) { + (ctx->next_peer && ctx->next_peer->is_dead)) { nla_nest_cancel(skb, peers_nest); goto out; } - lockdep_assert_held(&wg->device_update_lock); peer = list_prepare_entry(ctx->next_peer, &wg->peer_list, peer_list); list_for_each_entry_continue(peer, &wg->peer_list, peer_list) { if (get_peer(peer, skb, ctx)) { diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bca/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bca/core.c index ac3a36fa3640..a963c242975a 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bca/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bca/core.c @@ -7,21 +7,16 @@ #include <core.h> #include <bus.h> #include <fwvid.h> +#include <feature.h>

#include "vops.h"

-static int brcmf_bca_attach(struct brcmf_pub *drvr) +static void brcmf_bca_feat_attach(struct brcmf_if *ifp) { - pr_err("%s: executing\n", __func__); - return 0; -} - -static void brcmf_bca_detach(struct brcmf_pub *drvr) -{ - pr_err("%s: executing\n", __func__); + /* SAE support not confirmed so disabling for now */ + ifp->drvr->feat_flags &= ~BIT(BRCMF_FEAT_SAE); }

const struct brcmf_fwvid_ops brcmf_bca_ops = { - .attach = brcmf_bca_attach, - .detach = brcmf_bca_detach, + .feat_attach = brcmf_bca_feat_attach, }; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 8facd40d713e..0ff15d4083e1 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -32,6 +32,7 @@ #include "vendor.h" #include "bus.h" #include "common.h" +#include "fwvid.h"

#define BRCMF_SCAN_IE_LEN_MAX 2048

@@ -1179,8 +1180,7 @@ s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, scan_request = cfg->scan_request; cfg->scan_request = NULL;

- if (timer_pending(&cfg->escan_timeout)) - del_timer_sync(&cfg->escan_timeout); + timer_delete_sync(&cfg->escan_timeout);

if (fw_abort) { /* Do a scan abort to stop the driver's scan engine */ @@ -1687,52 +1687,39 @@ static u16 brcmf_map_fw_linkdown_reason(const struct brcmf_event_msg *e) return reason; }

-static int brcmf_set_pmk(struct brcmf_if *ifp, const u8 *pmk_data, u16 pmk_len) +int brcmf_set_wsec(struct brcmf_if *ifp, const u8 *key, u16 key_len, u16 flags) { struct brcmf_pub *drvr = ifp->drvr; struct brcmf_wsec_pmk_le pmk; int err;

+ if (key_len > sizeof(pmk.key)) { + bphy_err(drvr, "key must be less than %zu bytes\n", + sizeof(pmk.key)); + return -EINVAL; + } + memset(&pmk, 0, sizeof(pmk));

- /* pass pmk directly */ - pmk.key_len = cpu_to_le16(pmk_len); - pmk.flags = cpu_to_le16(0); - memcpy(pmk.key, pmk_data, pmk_len); + /* pass key material directly */ + pmk.key_len = cpu_to_le16(key_len); + pmk.flags = cpu_to_le16(flags); + memcpy(pmk.key, key, key_len);

- /* store psk in firmware */ + /* store key material in firmware */ err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_WSEC_PMK, &pmk, sizeof(pmk)); if (err < 0) bphy_err(drvr, "failed to change PSK in firmware (len=%u)\n", - pmk_len); + key_len);

return err; } +BRCMF_EXPORT_SYMBOL_GPL(brcmf_set_wsec);

-static int brcmf_set_sae_password(struct brcmf_if *ifp, const u8 *pwd_data, - u16 pwd_len) +static int brcmf_set_pmk(struct brcmf_if *ifp, const u8 *pmk_data, u16 pmk_len) { - struct brcmf_pub *drvr = ifp->drvr; - struct brcmf_wsec_sae_pwd_le sae_pwd; - int err; - - if (pwd_len > BRCMF_WSEC_MAX_SAE_PASSWORD_LEN) { - bphy_err(drvr, "sae_password must be less than %d\n", - BRCMF_WSEC_MAX_SAE_PASSWORD_LEN); - return -EINVAL; - } - - sae_pwd.key_len = cpu_to_le16(pwd_len); - memcpy(sae_pwd.key, pwd_data, pwd_len); - - err = brcmf_fil_iovar_data_set(ifp, "sae_password", &sae_pwd, - sizeof(sae_pwd)); - if (err < 0) - bphy_err(drvr, "failed to set SAE password in firmware (len=%u)\n", - pwd_len); - - return err; + return brcmf_set_wsec(ifp, pmk_data, pmk_len, 0); }

static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason, @@ -2503,8 +2490,7 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, bphy_err(drvr, "failed to clean up user-space RSNE\n"); goto done; } - err = brcmf_set_sae_password(ifp, sme->crypto.sae_pwd, - sme->crypto.sae_pwd_len); + err = brcmf_fwvid_set_sae_password(ifp, &sme->crypto); if (!err && sme->crypto.psk) err = brcmf_set_pmk(ifp, sme->crypto.psk, BRCMF_WSEC_MAX_PSK_LEN); @@ -5257,8 +5243,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, if (crypto->sae_pwd) { brcmf_dbg(INFO, "using SAE offload\n"); profile->use_fwauth |= BIT(BRCMF_PROFILE_FWAUTH_SAE); - err = brcmf_set_sae_password(ifp, crypto->sae_pwd, - crypto->sae_pwd_len); + err = brcmf_fwvid_set_sae_password(ifp, crypto); if (err < 0) goto exit; } @@ -5365,10 +5350,12 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev, msleep(400);

if (profile->use_fwauth != BIT(BRCMF_PROFILE_FWAUTH_NONE)) { + struct cfg80211_crypto_settings crypto = {}; + if (profile->use_fwauth & BIT(BRCMF_PROFILE_FWAUTH_PSK)) brcmf_set_pmk(ifp, NULL, 0); if (profile->use_fwauth & BIT(BRCMF_PROFILE_FWAUTH_SAE)) - brcmf_set_sae_password(ifp, NULL, 0); + brcmf_fwvid_set_sae_password(ifp, &crypto); profile->use_fwauth = BIT(BRCMF_PROFILE_FWAUTH_NONE); }

@@ -8440,6 +8427,7 @@ void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) brcmf_btcoex_detach(cfg); wiphy_unregister(cfg->wiphy); wl_deinit_priv(cfg); + cancel_work_sync(&cfg->escan_timeout_work); brcmf_free_wiphy(cfg->wiphy); kfree(cfg); } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h index 0e1fa3f0dea2..dc3a6a537507 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h @@ -468,4 +468,6 @@ void brcmf_set_mpc(struct brcmf_if *ndev, int mpc); void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg); void brcmf_cfg80211_free_netdev(struct net_device *ndev);

+int brcmf_set_wsec(struct brcmf_if *ifp, const u8 *key, u16 key_len, u16 flags); + #endif /* BRCMFMAC_CFG80211_H */ diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c index b75652ba9359..bec5748310b9 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c @@ -7,21 +7,36 @@ #include <core.h> #include <bus.h> #include <fwvid.h> +#include <fwil.h>

#include "vops.h"

-static int brcmf_cyw_attach(struct brcmf_pub *drvr) +static int brcmf_cyw_set_sae_pwd(struct brcmf_if *ifp, + struct cfg80211_crypto_settings *crypto) { - pr_err("%s: executing\n", __func__); - return 0; -} + struct brcmf_pub *drvr = ifp->drvr; + struct brcmf_wsec_sae_pwd_le sae_pwd; + u16 pwd_len = crypto->sae_pwd_len; + int err;

-static void brcmf_cyw_detach(struct brcmf_pub *drvr) -{ - pr_err("%s: executing\n", __func__); + if (pwd_len > BRCMF_WSEC_MAX_SAE_PASSWORD_LEN) { + bphy_err(drvr, "sae_password must be less than %d\n", + BRCMF_WSEC_MAX_SAE_PASSWORD_LEN); + return -EINVAL; + } + + sae_pwd.key_len = cpu_to_le16(pwd_len); + memcpy(sae_pwd.key, crypto->sae_pwd, pwd_len); + + err = brcmf_fil_iovar_data_set(ifp, "sae_password", &sae_pwd, + sizeof(sae_pwd)); + if (err < 0) + bphy_err(drvr, "failed to set SAE password in firmware (len=%u)\n", + pwd_len); + + return err; }

const struct brcmf_fwvid_ops brcmf_cyw_ops = { - .attach = brcmf_cyw_attach, - .detach = brcmf_cyw_detach, + .set_sae_password = brcmf_cyw_set_sae_pwd, }; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c index 6d10c9efbe93..909a34a1ab50 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c @@ -13,6 +13,7 @@ #include "debug.h" #include "fwil.h" #include "fwil_types.h" +#include "fwvid.h" #include "feature.h" #include "common.h"

@@ -339,6 +340,8 @@ void brcmf_feat_attach(struct brcmf_pub *drvr) brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_FWSUP, "sup_wpa"); brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_SCAN_V2, "scan_ver");

+ brcmf_fwvid_feat_attach(ifp); + if (drvr->settings->feature_disable) { brcmf_dbg(INFO, "Features: 0x%02x, disable: 0x%02x\n", ifp->drvr->feat_flags, diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c index 72fe8bce6eaf..a9514d72f770 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c @@ -239,6 +239,7 @@ brcmf_fil_iovar_data_set(struct brcmf_if *ifp, const char *name, const void *dat mutex_unlock(&drvr->proto_block); return err; } +BRCMF_EXPORT_SYMBOL_GPL(brcmf_fil_iovar_data_set);

s32 brcmf_fil_iovar_data_get(struct brcmf_if *ifp, const char *name, void *data, diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h index 9d248ba1c0b2..e74a23e11830 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h @@ -584,7 +584,7 @@ struct brcmf_wsec_key_le { struct brcmf_wsec_pmk_le { __le16 key_len; __le16 flags; - u8 key[2 * BRCMF_WSEC_MAX_PSK_LEN + 1]; + u8 key[BRCMF_WSEC_MAX_SAE_PASSWORD_LEN]; };

/** diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.c index 86eafdb40541..b427782554b5 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.c @@ -89,8 +89,7 @@ int brcmf_fwvid_register_vendor(enum brcmf_fwvendor fwvid, struct module *vmod, if (fwvid >= BRCMF_FWVENDOR_NUM) return -ERANGE;

- if (WARN_ON(!vmod) || WARN_ON(!vops) || - WARN_ON(!vops->attach) || WARN_ON(!vops->detach)) + if (WARN_ON(!vmod) || WARN_ON(!vops)) return -EINVAL;

if (WARN_ON(fwvid_list[fwvid].vmod)) @@ -150,7 +149,7 @@ static inline int brcmf_fwvid_request_module(enum brcmf_fwvendor fwvid) } #endif

-int brcmf_fwvid_attach_ops(struct brcmf_pub *drvr) +int brcmf_fwvid_attach(struct brcmf_pub *drvr) { enum brcmf_fwvendor fwvid = drvr->bus_if->fwvid; int ret; @@ -175,7 +174,7 @@ int brcmf_fwvid_attach_ops(struct brcmf_pub *drvr) return ret; }

-void brcmf_fwvid_detach_ops(struct brcmf_pub *drvr) +void brcmf_fwvid_detach(struct brcmf_pub *drvr) { enum brcmf_fwvendor fwvid = drvr->bus_if->fwvid;

@@ -187,9 +186,10 @@ void brcmf_fwvid_detach_ops(struct brcmf_pub *drvr)

mutex_lock(&fwvid_list_lock);

- drvr->vops = NULL; - list_del(&drvr->bus_if->list); - + if (drvr->vops) { + drvr->vops = NULL; + list_del(&drvr->bus_if->list); + } mutex_unlock(&fwvid_list_lock); }

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h index 43df58bb70ad..dac22534d033 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.h @@ -6,12 +6,14 @@ #define FWVID_H_

#include "firmware.h" +#include "cfg80211.h"

struct brcmf_pub; +struct brcmf_if;

struct brcmf_fwvid_ops { - int (*attach)(struct brcmf_pub *drvr); - void (*detach)(struct brcmf_pub *drvr); + void (*feat_attach)(struct brcmf_if *ifp); + int (*set_sae_password)(struct brcmf_if *ifp, struct cfg80211_crypto_settings *crypto); };

/* exported functions */ @@ -20,28 +22,29 @@ int brcmf_fwvid_register_vendor(enum brcmf_fwvendor fwvid, struct module *mod, int brcmf_fwvid_unregister_vendor(enum brcmf_fwvendor fwvid, struct module *mod);

/* core driver functions */ -int brcmf_fwvid_attach_ops(struct brcmf_pub *drvr); -void brcmf_fwvid_detach_ops(struct brcmf_pub *drvr); +int brcmf_fwvid_attach(struct brcmf_pub *drvr); +void brcmf_fwvid_detach(struct brcmf_pub *drvr); const char *brcmf_fwvid_vendor_name(struct brcmf_pub *drvr);

-static inline int brcmf_fwvid_attach(struct brcmf_pub *drvr) +static inline void brcmf_fwvid_feat_attach(struct brcmf_if *ifp) { - int ret; + const struct brcmf_fwvid_ops *vops = ifp->drvr->vops;

- ret = brcmf_fwvid_attach_ops(drvr); - if (ret) - return ret; + if (!vops->feat_attach) + return;

- return drvr->vops->attach(drvr); + vops->feat_attach(ifp); }

-static inline void brcmf_fwvid_detach(struct brcmf_pub *drvr) +static inline int brcmf_fwvid_set_sae_password(struct brcmf_if *ifp, + struct cfg80211_crypto_settings *crypto) { - if (!drvr->vops) - return; + const struct brcmf_fwvid_ops *vops = ifp->drvr->vops; + + if (!vops || !vops->set_sae_password) + return -EOPNOTSUPP;

- drvr->vops->detach(drvr); - brcmf_fwvid_detach_ops(drvr); + return vops->set_sae_password(ifp, crypto); }

#endif /* FWVID_H_ */ diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/wcc/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/wcc/core.c index 5573a47766ad..fd593b93ad40 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/wcc/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/wcc/core.c @@ -7,21 +7,17 @@ #include <core.h> #include <bus.h> #include <fwvid.h> +#include <cfg80211.h>

#include "vops.h"

-static int brcmf_wcc_attach(struct brcmf_pub *drvr) +static int brcmf_wcc_set_sae_pwd(struct brcmf_if *ifp, + struct cfg80211_crypto_settings *crypto) { - pr_debug("%s: executing\n", __func__); - return 0; -} - -static void brcmf_wcc_detach(struct brcmf_pub *drvr) -{ - pr_debug("%s: executing\n", __func__); + return brcmf_set_wsec(ifp, crypto->sae_pwd, crypto->sae_pwd_len, + BRCMF_WSEC_PASSPHRASE); }

const struct brcmf_fwvid_ops brcmf_wcc_ops = { - .attach = brcmf_wcc_attach, - .detach = brcmf_wcc_detach, + .set_sae_password = brcmf_wcc_set_sae_pwd, }; diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 3975a53a9f20..57ddd8aefa42 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -3075,8 +3075,6 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx) struct iwl_fw_dbg_params params = {0}; struct iwl_fwrt_dump_data *dump_data = &fwrt->dump.wks[wk_idx].dump_data; - u32 policy; - u32 time_point; if (!test_bit(wk_idx, &fwrt->dump.active_wks)) return;

@@ -3107,13 +3105,16 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx)

iwl_fw_dbg_stop_restart_recording(fwrt, &params, false);

- policy = le32_to_cpu(dump_data->trig->apply_policy); - time_point = le32_to_cpu(dump_data->trig->time_point); + if (iwl_trans_dbg_ini_valid(fwrt->trans)) { + u32 policy = le32_to_cpu(dump_data->trig->apply_policy); + u32 time_point = le32_to_cpu(dump_data->trig->time_point);

- if (policy & IWL_FW_INI_APPLY_POLICY_DUMP_COMPLETE_CMD) { - IWL_DEBUG_FW_INFO(fwrt, "WRT: sending dump complete\n"); - iwl_send_dbg_dump_complete_cmd(fwrt, time_point, 0); + if (policy & IWL_FW_INI_APPLY_POLICY_DUMP_COMPLETE_CMD) { + IWL_DEBUG_FW_INFO(fwrt, "WRT: sending dump complete\n"); + iwl_send_dbg_dump_complete_cmd(fwrt, time_point, 0); + } } + if (fwrt->trans->dbg.last_tp_resetfw == IWL_FW_INI_RESET_FW_MODE_STOP_FW_ONLY) iwl_force_nmi(fwrt->trans);

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c index e8b881596baf..34b8771d1eda 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c @@ -735,7 +735,9 @@ void iwl_mvm_vif_dbgfs_add_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { struct dentry *dbgfs_dir = vif->debugfs_dir; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - char buf[100]; + char buf[3 * 3 + 11 + (NL80211_WIPHY_NAME_MAXLEN + 1) + + (7 + IFNAMSIZ + 1) + 6 + 1]; + char name[7 + IFNAMSIZ + 1];

/* this will happen in monitor mode */ if (!dbgfs_dir) @@ -748,10 +750,11 @@ void iwl_mvm_vif_dbgfs_add_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) * find * netdev:wlan0 -> ../../../ieee80211/phy0/netdev:wlan0/iwlmvm/ */ - snprintf(buf, 100, "../../../%pd3/iwlmvm", dbgfs_dir); + snprintf(name, sizeof(name), "%pd", dbgfs_dir); + snprintf(buf, sizeof(buf), "../../../%pd3/iwlmvm", dbgfs_dir);

- mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name, - mvm->debugfs_dir, buf); + mvmvif->dbgfs_slink = + debugfs_create_symlink(name, mvm->debugfs_dir, buf); }

void iwl_mvm_vif_dbgfs_rm_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 68c3d54f587c..168e4a2ffeb5 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -344,7 +344,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) if (mvm->mld_api_is_used && mvm->nvm_data->sku_cap_11be_enable && !iwlwifi_mod_params.disable_11ax && !iwlwifi_mod_params.disable_11be) - hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_MLO; + hw->wiphy->flags |= WIPHY_FLAG_DISABLE_WEXT;

/* With MLD FW API, it tracks timing by itself, * no need for any timing from the host diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c index 298663b03580..0c1c1ff31085 100644 --- a/drivers/net/wireless/realtek/rtw88/mac.c +++ b/drivers/net/wireless/realtek/rtw88/mac.c @@ -309,6 +309,13 @@ static int rtw_mac_power_switch(struct rtw_dev *rtwdev, bool pwr_on) pwr_seq = pwr_on ? chip->pwr_on_seq : chip->pwr_off_seq; ret = rtw_pwr_seq_parser(rtwdev, pwr_seq);

+ if (pwr_on && rtw_hci_type(rtwdev) == RTW_HCI_TYPE_USB) { + if (chip->id == RTW_CHIP_TYPE_8822C || + chip->id == RTW_CHIP_TYPE_8822B || + chip->id == RTW_CHIP_TYPE_8821C) + rtw_write8_clr(rtwdev, REG_SYS_STATUS1 + 1, BIT(0)); + } + if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_SDIO) rtw_write32(rtwdev, REG_SDIO_HIMR, imr);

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821cu.c b/drivers/net/wireless/realtek/rtw88/rtw8821cu.c index 7a5cbdc31ef7..e2c7d9f87683 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821cu.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821cu.c @@ -9,24 +9,36 @@ #include "usb.h"

static const struct usb_device_id rtw_8821cu_id_table[] = { - { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xb82b, 0xff, 0xff, 0xff), - .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8821CU */ + { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0x2006, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, + { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0x8731, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, + { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0x8811, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xb820, 0xff, 0xff, 0xff), - .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8821CU */ - { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc821, 0xff, 0xff, 0xff), - .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8821CU */ + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, + { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xb82b, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, + { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc80c, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, + { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc811, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc820, 0xff, 0xff, 0xff), - .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8821CU */ + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, + { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc821, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc82a, 0xff, 0xff, 0xff), - .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8821CU */ + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc82b, 0xff, 0xff, 0xff), - .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8821CU */ - { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc811, 0xff, 0xff, 0xff), - .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8811CU */ - { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0x8811, 0xff, 0xff, 0xff), - .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* 8811CU */ - { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0x2006, 0xff, 0xff, 0xff), - .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* TOTOLINK A650UA v3 */ + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, + { USB_DEVICE_AND_INTERFACE_INFO(RTW_USB_VENDOR_ID_REALTEK, 0xc82c, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x331d, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* D-Link */ + { USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0xc811, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* Edimax */ + { USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0xd811, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&(rtw8821c_hw_spec) }, /* Edimax */ {}, }; MODULE_DEVICE_TABLE(usb, rtw_8821cu_id_table); diff --git a/drivers/nvmem/meson-efuse.c b/drivers/nvmem/meson-efuse.c index b922df99f9bc..33678d0af2c2 100644 --- a/drivers/nvmem/meson-efuse.c +++ b/drivers/nvmem/meson-efuse.c @@ -47,7 +47,6 @@ static int meson_efuse_probe(struct platform_device *pdev) struct nvmem_config *econfig; struct clk *clk; unsigned int size; - int ret;

sm_np = of_parse_phandle(pdev->dev.of_node, "secure-monitor", 0); if (!sm_np) { @@ -60,27 +59,9 @@ static int meson_efuse_probe(struct platform_device *pdev) if (!fw) return -EPROBE_DEFER;

- clk = devm_clk_get(dev, NULL); - if (IS_ERR(clk)) { - ret = PTR_ERR(clk); - if (ret != -EPROBE_DEFER) - dev_err(dev, "failed to get efuse gate"); - return ret; - } - - ret = clk_prepare_enable(clk); - if (ret) { - dev_err(dev, "failed to enable gate"); - return ret; - } - - ret = devm_add_action_or_reset(dev, - (void(*)(void *))clk_disable_unprepare, - clk); - if (ret) { - dev_err(dev, "failed to add disable callback"); - return ret; - } + clk = devm_clk_get_enabled(dev, NULL); + if (IS_ERR(clk)) + return dev_err_probe(dev, PTR_ERR(clk), "failed to get efuse gate");

if (meson_sm_call(fw, SM_EFUSE_USER_MAX, &size, 0, 0, 0, 0, 0) < 0) { dev_err(dev, "failed to get max user"); diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index c2630db74560..19b6708f60ef 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -692,8 +692,13 @@ int dw_pcie_ep_init_complete(struct dw_pcie_ep *ep) nbars = (reg & PCI_REBAR_CTRL_NBAR_MASK) >> PCI_REBAR_CTRL_NBAR_SHIFT;

+ /* + * PCIe r6.0, sec 7.8.6.2 require us to support at least one + * size in the range from 1 MB to 512 GB. Advertise support + * for 1 MB BAR size only. + */ for (i = 0; i < nbars; i++, offset += PCI_REBAR_CTRL) - dw_pcie_writel_dbi(pci, offset + PCI_REBAR_CAP, 0x0); + dw_pcie_writel_dbi(pci, offset + PCI_REBAR_CAP, BIT(4)); }

/* diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index cbc3f0881770..e3dc27f2acf7 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -53,6 +53,7 @@ #define PARF_SLV_ADDR_SPACE_SIZE 0x358 #define PARF_DEVICE_TYPE 0x1000 #define PARF_BDF_TO_SID_TABLE_N 0x2000 +#define PARF_BDF_TO_SID_CFG 0x2c00

/* ELBI registers */ #define ELBI_SYS_CTRL 0x04 @@ -120,6 +121,9 @@ /* PARF_DEVICE_TYPE register fields */ #define DEVICE_TYPE_RC 0x4

+/* PARF_BDF_TO_SID_CFG fields */ +#define BDF_TO_SID_BYPASS BIT(0) + /* ELBI_SYS_CTRL register fields */ #define ELBI_SYS_CTRL_LT_ENABLE BIT(0)

@@ -229,6 +233,7 @@ struct qcom_pcie_ops {

struct qcom_pcie_cfg { const struct qcom_pcie_ops *ops; + bool no_l0s; };

struct qcom_pcie { @@ -272,6 +277,26 @@ static int qcom_pcie_start_link(struct dw_pcie *pci) return 0; }

+static void qcom_pcie_clear_aspm_l0s(struct dw_pcie *pci) +{ + struct qcom_pcie *pcie = to_qcom_pcie(pci); + u16 offset; + u32 val; + + if (!pcie->cfg->no_l0s) + return; + + offset = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP); + + dw_pcie_dbi_ro_wr_en(pci); + + val = readl(pci->dbi_base + offset + PCI_EXP_LNKCAP); + val &= ~PCI_EXP_LNKCAP_ASPM_L0S; + writel(val, pci->dbi_base + offset + PCI_EXP_LNKCAP); + + dw_pcie_dbi_ro_wr_dis(pci); +} + static void qcom_pcie_clear_hpc(struct dw_pcie *pci) { u16 offset = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP); @@ -961,6 +986,7 @@ static int qcom_pcie_init_2_7_0(struct qcom_pcie *pcie)

static int qcom_pcie_post_init_2_7_0(struct qcom_pcie *pcie) { + qcom_pcie_clear_aspm_l0s(pcie->pci); qcom_pcie_clear_hpc(pcie->pci);

return 0; @@ -1008,11 +1034,17 @@ static int qcom_pcie_config_sid_1_9_0(struct qcom_pcie *pcie) u8 qcom_pcie_crc8_table[CRC8_TABLE_SIZE]; int i, nr_map, size = 0; u32 smmu_sid_base; + u32 val;

of_get_property(dev->of_node, "iommu-map", &size); if (!size) return 0;

+ /* Enable BDF to SID translation by disabling bypass mode (default) */ + val = readl(pcie->parf + PARF_BDF_TO_SID_CFG); + val &= ~BDF_TO_SID_BYPASS; + writel(val, pcie->parf + PARF_BDF_TO_SID_CFG); + map = kzalloc(size, GFP_KERNEL); if (!map) return -ENOMEM; @@ -1358,6 +1390,11 @@ static const struct qcom_pcie_cfg cfg_2_9_0 = { .ops = &ops_2_9_0, };

+static const struct qcom_pcie_cfg cfg_sc8280xp = { + .ops = &ops_1_9_0, + .no_l0s = true, +}; + static const struct dw_pcie_ops dw_pcie_ops = { .link_up = qcom_pcie_link_up, .start_link = qcom_pcie_start_link, @@ -1629,11 +1666,11 @@ static const struct of_device_id qcom_pcie_match[] = { { .compatible = "qcom,pcie-ipq8074-gen3", .data = &cfg_2_9_0 }, { .compatible = "qcom,pcie-msm8996", .data = &cfg_2_3_2 }, { .compatible = "qcom,pcie-qcs404", .data = &cfg_2_4_0 }, - { .compatible = "qcom,pcie-sa8540p", .data = &cfg_1_9_0 }, + { .compatible = "qcom,pcie-sa8540p", .data = &cfg_sc8280xp }, { .compatible = "qcom,pcie-sa8775p", .data = &cfg_1_9_0}, { .compatible = "qcom,pcie-sc7280", .data = &cfg_1_9_0 }, { .compatible = "qcom,pcie-sc8180x", .data = &cfg_1_9_0 }, - { .compatible = "qcom,pcie-sc8280xp", .data = &cfg_1_9_0 }, + { .compatible = "qcom,pcie-sc8280xp", .data = &cfg_sc8280xp }, { .compatible = "qcom,pcie-sdm845", .data = &cfg_2_7_0 }, { .compatible = "qcom,pcie-sdx55", .data = &cfg_1_9_0 }, { .compatible = "qcom,pcie-sm8150", .data = &cfg_1_9_0 }, diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 30c7dfeccb16..11cc354a30ea 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -49,6 +49,7 @@ #include <linux/refcount.h> #include <linux/irqdomain.h> #include <linux/acpi.h> +#include <linux/sizes.h> #include <asm/mshyperv.h>

/* @@ -465,7 +466,7 @@ struct pci_eject_response { u32 status; } __packed;

-static int pci_ring_size = (4 * PAGE_SIZE); +static int pci_ring_size = VMBUS_RING_SIZE(SZ_16K);

/* * Driver specific state. diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 51ec9e7e784f..9c59bf03d657 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -473,6 +473,13 @@ static void pci_device_remove(struct device *dev)

if (drv->remove) { pm_runtime_get_sync(dev); + /* + * If the driver provides a .runtime_idle() callback and it has + * started to run already, it may continue to run in parallel + * with the code below, so wait until all of the runtime PM + * activity has completed. + */ + pm_runtime_barrier(dev); drv->remove(pci_dev); pm_runtime_put_noidle(dev); } diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c index 59c90d04a609..705893b5f7b0 100644 --- a/drivers/pci/pcie/err.c +++ b/drivers/pci/pcie/err.c @@ -13,6 +13,7 @@ #define dev_fmt(fmt) "AER: " fmt

#include <linux/pci.h> +#include <linux/pm_runtime.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> @@ -85,6 +86,18 @@ static int report_error_detected(struct pci_dev *dev, return 0; }

+static int pci_pm_runtime_get_sync(struct pci_dev *pdev, void *data) +{ + pm_runtime_get_sync(&pdev->dev); + return 0; +} + +static int pci_pm_runtime_put(struct pci_dev *pdev, void *data) +{ + pm_runtime_put(&pdev->dev); + return 0; +} + static int report_frozen_detected(struct pci_dev *dev, void *data) { return report_error_detected(dev, pci_channel_io_frozen, data); @@ -207,6 +220,8 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev, else bridge = pci_upstream_bridge(dev);

+ pci_walk_bridge(bridge, pci_pm_runtime_get_sync, NULL); + pci_dbg(bridge, "broadcast error_detected message\n"); if (state == pci_channel_io_frozen) { pci_walk_bridge(bridge, report_frozen_detected, &status); @@ -251,10 +266,15 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev, pcie_clear_device_status(dev); pci_aer_clear_nonfatal_status(dev); } + + pci_walk_bridge(bridge, pci_pm_runtime_put, NULL); + pci_info(bridge, "device recovery successful\n"); return status;

failed: + pci_walk_bridge(bridge, pci_pm_runtime_put, NULL); + pci_uevent_ers(bridge, PCI_ERS_RESULT_DISCONNECT);

/* TODO: Should kernel panic here? */ diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 528044237bf9..fa770601c655 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -6219,6 +6219,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2b, dpc_log_size); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2d, dpc_log_size); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2f, dpc_log_size); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a31, dpc_log_size); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0xa73f, dpc_log_size); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0xa76e, dpc_log_size); #endif

/* diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c index 142ebe0247cc..983a6e6173bd 100644 --- a/drivers/phy/tegra/xusb.c +++ b/drivers/phy/tegra/xusb.c @@ -1531,6 +1531,19 @@ int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl, } EXPORT_SYMBOL_GPL(tegra_xusb_padctl_get_usb3_companion);

+int tegra_xusb_padctl_get_port_number(struct phy *phy) +{ + struct tegra_xusb_lane *lane; + + if (!phy) + return -ENODEV; + + lane = phy_get_drvdata(phy); + + return lane->index; +} +EXPORT_SYMBOL_GPL(tegra_xusb_padctl_get_port_number); + MODULE_AUTHOR("Thierry Reding treding@nvidia.com"); MODULE_DESCRIPTION("Tegra XUSB Pad Controller driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/platform/x86/intel/tpmi.c b/drivers/platform/x86/intel/tpmi.c index 311abcac894a..c2f6e20b45bc 100644 --- a/drivers/platform/x86/intel/tpmi.c +++ b/drivers/platform/x86/intel/tpmi.c @@ -96,7 +96,7 @@ struct intel_tpmi_pfs_entry { */ struct intel_tpmi_pm_feature { struct intel_tpmi_pfs_entry pfs_header; - unsigned int vsec_offset; + u64 vsec_offset; struct intel_vsec_device *vsec_dev; };

@@ -389,7 +389,7 @@ static int tpmi_pfs_dbg_show(struct seq_file *s, void *unused) read_blocked = feature_state.read_blocked ? 'Y' : 'N'; write_blocked = feature_state.write_blocked ? 'Y' : 'N'; } - seq_printf(s, "0x%02x\t\t0x%02x\t\t0x%04x\t\t0x%04x\t\t0x%02x\t\t0x%08x\t%c\t%c\t\t%c\t\t%c\n", + seq_printf(s, "0x%02x\t\t0x%02x\t\t0x%04x\t\t0x%04x\t\t0x%02x\t\t0x%016llx\t%c\t%c\t\t%c\t\t%c\n", pfs->pfs_header.tpmi_id, pfs->pfs_header.num_entries, pfs->pfs_header.entry_size, pfs->pfs_header.cap_offset, pfs->pfs_header.attribute, pfs->vsec_offset, locked, disabled, @@ -408,7 +408,8 @@ static int tpmi_mem_dump_show(struct seq_file *s, void *unused) struct intel_tpmi_pm_feature *pfs = s->private; int count, ret = 0; void __iomem *mem; - u32 off, size; + u32 size; + u64 off; u8 *buffer;

size = TPMI_GET_SINGLE_ENTRY_SIZE(pfs); @@ -424,7 +425,7 @@ static int tpmi_mem_dump_show(struct seq_file *s, void *unused) mutex_lock(&tpmi_dev_lock);

for (count = 0; count < pfs->pfs_header.num_entries; ++count) { - seq_printf(s, "TPMI Instance:%d offset:0x%x\n", count, off); + seq_printf(s, "TPMI Instance:%d offset:0x%llx\n", count, off);

mem = ioremap(off, size); if (!mem) { diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c index 2feed036c1cd..9d3e102f1a76 100644 --- a/drivers/powercap/intel_rapl_common.c +++ b/drivers/powercap/intel_rapl_common.c @@ -5,6 +5,7 @@ */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

+#include <linux/cleanup.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/list.h> @@ -759,6 +760,11 @@ static int rapl_config(struct rapl_package *rp) default: return -EINVAL; } + + /* defaults_msr can be NULL on unsupported platforms */ + if (!rp->priv->defaults || !rp->priv->rpi) + return -ENODEV; + return 0; }

@@ -1499,7 +1505,7 @@ static int rapl_detect_domains(struct rapl_package *rp) }

/* called from CPU hotplug notifier, hotplug lock held */ -void rapl_remove_package(struct rapl_package *rp) +void rapl_remove_package_cpuslocked(struct rapl_package *rp) { struct rapl_domain *rd, *rd_package = NULL;

@@ -1528,10 +1534,18 @@ void rapl_remove_package(struct rapl_package *rp) list_del(&rp->plist); kfree(rp); } +EXPORT_SYMBOL_GPL(rapl_remove_package_cpuslocked); + +void rapl_remove_package(struct rapl_package *rp) +{ + guard(cpus_read_lock)(); + rapl_remove_package_cpuslocked(rp); +} EXPORT_SYMBOL_GPL(rapl_remove_package);

/* caller to ensure CPU hotplug lock is held */ -struct rapl_package *rapl_find_package_domain(int id, struct rapl_if_priv *priv, bool id_is_cpu) +struct rapl_package *rapl_find_package_domain_cpuslocked(int id, struct rapl_if_priv *priv, + bool id_is_cpu) { struct rapl_package *rp; int uid; @@ -1549,10 +1563,17 @@ struct rapl_package *rapl_find_package_domain(int id, struct rapl_if_priv *priv,

return NULL; } +EXPORT_SYMBOL_GPL(rapl_find_package_domain_cpuslocked); + +struct rapl_package *rapl_find_package_domain(int id, struct rapl_if_priv *priv, bool id_is_cpu) +{ + guard(cpus_read_lock)(); + return rapl_find_package_domain_cpuslocked(id, priv, id_is_cpu); +} EXPORT_SYMBOL_GPL(rapl_find_package_domain);

/* called from CPU hotplug notifier, hotplug lock held */ -struct rapl_package *rapl_add_package(int id, struct rapl_if_priv *priv, bool id_is_cpu) +struct rapl_package *rapl_add_package_cpuslocked(int id, struct rapl_if_priv *priv, bool id_is_cpu) { struct rapl_package *rp; int ret; @@ -1598,6 +1619,13 @@ struct rapl_package *rapl_add_package(int id, struct rapl_if_priv *priv, bool id kfree(rp); return ERR_PTR(ret); } +EXPORT_SYMBOL_GPL(rapl_add_package_cpuslocked); + +struct rapl_package *rapl_add_package(int id, struct rapl_if_priv *priv, bool id_is_cpu) +{ + guard(cpus_read_lock)(); + return rapl_add_package_cpuslocked(id, priv, id_is_cpu); +} EXPORT_SYMBOL_GPL(rapl_add_package);

static void power_limit_state_save(void) diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c index 250bd41a588c..b4b6930cacb0 100644 --- a/drivers/powercap/intel_rapl_msr.c +++ b/drivers/powercap/intel_rapl_msr.c @@ -73,9 +73,9 @@ static int rapl_cpu_online(unsigned int cpu) { struct rapl_package *rp;

- rp = rapl_find_package_domain(cpu, rapl_msr_priv, true); + rp = rapl_find_package_domain_cpuslocked(cpu, rapl_msr_priv, true); if (!rp) { - rp = rapl_add_package(cpu, rapl_msr_priv, true); + rp = rapl_add_package_cpuslocked(cpu, rapl_msr_priv, true); if (IS_ERR(rp)) return PTR_ERR(rp); } @@ -88,14 +88,14 @@ static int rapl_cpu_down_prep(unsigned int cpu) struct rapl_package *rp; int lead_cpu;

- rp = rapl_find_package_domain(cpu, rapl_msr_priv, true); + rp = rapl_find_package_domain_cpuslocked(cpu, rapl_msr_priv, true); if (!rp) return 0;

cpumask_clear_cpu(cpu, &rp->cpumask); lead_cpu = cpumask_first(&rp->cpumask); if (lead_cpu >= nr_cpu_ids) - rapl_remove_package(rp); + rapl_remove_package_cpuslocked(rp); else if (rp->lead_cpu == cpu) rp->lead_cpu = lead_cpu; return 0; diff --git a/drivers/powercap/intel_rapl_tpmi.c b/drivers/powercap/intel_rapl_tpmi.c index 891c90fefd8b..f6b7f085977c 100644 --- a/drivers/powercap/intel_rapl_tpmi.c +++ b/drivers/powercap/intel_rapl_tpmi.c @@ -40,6 +40,7 @@ enum tpmi_rapl_register { TPMI_RAPL_REG_ENERGY_STATUS, TPMI_RAPL_REG_PERF_STATUS, TPMI_RAPL_REG_POWER_INFO, + TPMI_RAPL_REG_DOMAIN_INFO, TPMI_RAPL_REG_INTERRUPT, TPMI_RAPL_REG_MAX = 15, }; @@ -130,6 +131,12 @@ static void trp_release(struct tpmi_rapl_package *trp) mutex_unlock(&tpmi_rapl_lock); }

+/* + * Bit 0 of TPMI_RAPL_REG_DOMAIN_INFO indicates if the current package is a domain + * root or not. Only domain root packages can enumerate System (Psys) Domain. + */ +#define TPMI_RAPL_DOMAIN_ROOT BIT(0) + static int parse_one_domain(struct tpmi_rapl_package *trp, u32 offset) { u8 tpmi_domain_version; @@ -139,6 +146,7 @@ static int parse_one_domain(struct tpmi_rapl_package *trp, u32 offset) enum rapl_domain_reg_id reg_id; int tpmi_domain_size, tpmi_domain_flags; u64 tpmi_domain_header = readq(trp->base + offset); + u64 tpmi_domain_info;

/* Domain Parent bits are ignored for now */ tpmi_domain_version = tpmi_domain_header & 0xff; @@ -169,6 +177,13 @@ static int parse_one_domain(struct tpmi_rapl_package *trp, u32 offset) domain_type = RAPL_DOMAIN_PACKAGE; break; case TPMI_RAPL_DOMAIN_SYSTEM: + if (!(tpmi_domain_flags & BIT(TPMI_RAPL_REG_DOMAIN_INFO))) { + pr_warn(FW_BUG "System domain must support Domain Info register\n"); + return -ENODEV; + } + tpmi_domain_info = readq(trp->base + offset + TPMI_RAPL_REG_DOMAIN_INFO); + if (!(tpmi_domain_info & TPMI_RAPL_DOMAIN_ROOT)) + return 0; domain_type = RAPL_DOMAIN_PLATFORM; break; case TPMI_RAPL_DOMAIN_MEMORY: diff --git a/drivers/pwm/pwm-img.c b/drivers/pwm/pwm-img.c index 116fa060e302..29dcf38f3b52 100644 --- a/drivers/pwm/pwm-img.c +++ b/drivers/pwm/pwm-img.c @@ -288,9 +288,9 @@ static int img_pwm_probe(struct platform_device *pdev) return PTR_ERR(imgchip->sys_clk); }

- imgchip->pwm_clk = devm_clk_get(&pdev->dev, "imgchip"); + imgchip->pwm_clk = devm_clk_get(&pdev->dev, "pwm"); if (IS_ERR(imgchip->pwm_clk)) { - dev_err(&pdev->dev, "failed to get imgchip clock\n"); + dev_err(&pdev->dev, "failed to get pwm clock\n"); return PTR_ERR(imgchip->pwm_clk); }

diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c index 83d76915a6ad..25b66b113b69 100644 --- a/drivers/remoteproc/remoteproc_virtio.c +++ b/drivers/remoteproc/remoteproc_virtio.c @@ -351,6 +351,9 @@ static void rproc_virtio_dev_release(struct device *dev)

kfree(vdev);

+ of_reserved_mem_device_release(&rvdev->pdev->dev); + dma_release_coherent_memory(&rvdev->pdev->dev); + put_device(&rvdev->pdev->dev); }

@@ -584,9 +587,6 @@ static void rproc_virtio_remove(struct platform_device *pdev) rproc_remove_subdev(rproc, &rvdev->subdev); rproc_remove_rvdev(rvdev);

- of_reserved_mem_device_release(&pdev->dev); - dma_release_coherent_memory(&pdev->dev); - put_device(&rproc->dev); }

diff --git a/drivers/s390/cio/vfio_ccw_chp.c b/drivers/s390/cio/vfio_ccw_chp.c index d3f3a611f95b..38c176cf6295 100644 --- a/drivers/s390/cio/vfio_ccw_chp.c +++ b/drivers/s390/cio/vfio_ccw_chp.c @@ -115,7 +115,7 @@ static ssize_t vfio_ccw_crw_region_read(struct vfio_ccw_private *private,

/* Notify the guest if more CRWs are on our queue */ if (!list_empty(&private->crw) && private->crw_trigger) - eventfd_signal(private->crw_trigger, 1); + eventfd_signal(private->crw_trigger);

return ret; } diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c index 43601816ea4e..bfb35cfce1ef 100644 --- a/drivers/s390/cio/vfio_ccw_drv.c +++ b/drivers/s390/cio/vfio_ccw_drv.c @@ -112,7 +112,7 @@ void vfio_ccw_sch_io_todo(struct work_struct *work) private->state = VFIO_CCW_STATE_IDLE;

if (private->io_trigger) - eventfd_signal(private->io_trigger, 1); + eventfd_signal(private->io_trigger); }

void vfio_ccw_crw_todo(struct work_struct *work) @@ -122,7 +122,7 @@ void vfio_ccw_crw_todo(struct work_struct *work) private = container_of(work, struct vfio_ccw_private, crw_work);

if (!list_empty(&private->crw) && private->crw_trigger) - eventfd_signal(private->crw_trigger, 1); + eventfd_signal(private->crw_trigger); }

/* diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c index cba4971618ff..ea532a8a4a0c 100644 --- a/drivers/s390/cio/vfio_ccw_ops.c +++ b/drivers/s390/cio/vfio_ccw_ops.c @@ -421,7 +421,7 @@ static int vfio_ccw_mdev_set_irqs(struct vfio_ccw_private *private, case VFIO_IRQ_SET_DATA_NONE: { if (*ctx) - eventfd_signal(*ctx, 1); + eventfd_signal(*ctx); return 0; } case VFIO_IRQ_SET_DATA_BOOL: @@ -432,7 +432,7 @@ static int vfio_ccw_mdev_set_irqs(struct vfio_ccw_private *private, return -EFAULT;

if (trigger && *ctx) - eventfd_signal(*ctx, 1); + eventfd_signal(*ctx); return 0; } case VFIO_IRQ_SET_DATA_EVENTFD: @@ -612,7 +612,7 @@ static void vfio_ccw_mdev_request(struct vfio_device *vdev, unsigned int count) "Relaying device request to user (#%u)\n", count);

- eventfd_signal(private->req_trigger, 1); + eventfd_signal(private->req_trigger); } else if (count == 0) { dev_notice(dev, "No device request channel registered, blocked until released by user\n"); diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c index d6ea2fd4c2a0..76429585c1bc 100644 --- a/drivers/s390/crypto/vfio_ap_ops.c +++ b/drivers/s390/crypto/vfio_ap_ops.c @@ -1862,7 +1862,7 @@ static void vfio_ap_mdev_request(struct vfio_device *vdev, unsigned int count) "Relaying device request to user (#%u)\n", count);

- eventfd_signal(matrix_mdev->req_trigger, 1); + eventfd_signal(matrix_mdev->req_trigger); } else if (count == 0) { dev_notice(dev, "No device request registered, blocked until released by user\n"); diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index dcd6c7299fa9..973aa937536e 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -579,6 +579,7 @@ static inline struct zcrypt_queue *zcrypt_pick_queue(struct zcrypt_card *zc, { if (!zq || !try_module_get(zq->queue->ap_dev.device.driver->owner)) return NULL; + zcrypt_card_get(zc); zcrypt_queue_get(zq); get_device(&zq->queue->ap_dev.device); atomic_add(weight, &zc->load); @@ -598,6 +599,7 @@ static inline void zcrypt_drop_queue(struct zcrypt_card *zc, atomic_sub(weight, &zq->load); put_device(&zq->queue->ap_dev.device); zcrypt_queue_put(zq); + zcrypt_card_put(zc); module_put(mod); }

diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index d7f51b84f3c7..445f4a220df3 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -353,12 +353,13 @@ static void scsi_host_dev_release(struct device *dev)

if (shost->shost_state == SHOST_CREATED) { /* - * Free the shost_dev device name here if scsi_host_alloc() - * and scsi_host_put() have been called but neither + * Free the shost_dev device name and remove the proc host dir + * here if scsi_host_{alloc,put}() have been called but neither * scsi_host_add() nor scsi_remove_host() has been called. * This avoids that the memory allocated for the shost_dev - * name is leaked. + * name as well as the proc dir structure are leaked. */ + scsi_proc_hostdir_rm(shost->hostt); kfree(dev_name(&shost->shost_dev)); }

diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index a2204674b680..5c261005b74e 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -1621,6 +1621,16 @@ int sas_discover_root_expander(struct domain_device *dev)

/* ---------- Domain revalidation ---------- */

+static void sas_get_sas_addr_and_dev_type(struct smp_disc_resp *disc_resp, + u8 *sas_addr, + enum sas_device_type *type) +{ + memcpy(sas_addr, disc_resp->disc.attached_sas_addr, SAS_ADDR_SIZE); + *type = to_dev_type(&disc_resp->disc); + if (*type == SAS_PHY_UNUSED) + memset(sas_addr, 0, SAS_ADDR_SIZE); +} + static int sas_get_phy_discover(struct domain_device *dev, int phy_id, struct smp_disc_resp *disc_resp) { @@ -1674,13 +1684,8 @@ int sas_get_phy_attached_dev(struct domain_device *dev, int phy_id, return -ENOMEM;

res = sas_get_phy_discover(dev, phy_id, disc_resp); - if (res == 0) { - memcpy(sas_addr, disc_resp->disc.attached_sas_addr, - SAS_ADDR_SIZE); - *type = to_dev_type(&disc_resp->disc); - if (*type == 0) - memset(sas_addr, 0, SAS_ADDR_SIZE); - } + if (res == 0) + sas_get_sas_addr_and_dev_type(disc_resp, sas_addr, type); kfree(disc_resp); return res; } @@ -1940,6 +1945,7 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id, struct expander_device *ex = &dev->ex_dev; struct ex_phy *phy = &ex->ex_phy[phy_id]; enum sas_device_type type = SAS_PHY_UNUSED; + struct smp_disc_resp *disc_resp; u8 sas_addr[SAS_ADDR_SIZE]; char msg[80] = ""; int res; @@ -1951,33 +1957,41 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id, SAS_ADDR(dev->sas_addr), phy_id, msg);

memset(sas_addr, 0, SAS_ADDR_SIZE); - res = sas_get_phy_attached_dev(dev, phy_id, sas_addr, &type); + disc_resp = alloc_smp_resp(DISCOVER_RESP_SIZE); + if (!disc_resp) + return -ENOMEM; + + res = sas_get_phy_discover(dev, phy_id, disc_resp); switch (res) { case SMP_RESP_NO_PHY: phy->phy_state = PHY_NOT_PRESENT; sas_unregister_devs_sas_addr(dev, phy_id, last); - return res; + goto out_free_resp; case SMP_RESP_PHY_VACANT: phy->phy_state = PHY_VACANT; sas_unregister_devs_sas_addr(dev, phy_id, last); - return res; + goto out_free_resp; case SMP_RESP_FUNC_ACC: break; case -ECOMM: break; default: - return res; + goto out_free_resp; }

+ if (res == 0) + sas_get_sas_addr_and_dev_type(disc_resp, sas_addr, &type); + if ((SAS_ADDR(sas_addr) == 0) || (res == -ECOMM)) { phy->phy_state = PHY_EMPTY; sas_unregister_devs_sas_addr(dev, phy_id, last); /* - * Even though the PHY is empty, for convenience we discover - * the PHY to update the PHY info, like negotiated linkrate. + * Even though the PHY is empty, for convenience we update + * the PHY info, like negotiated linkrate. */ - sas_ex_phy_discover(dev, phy_id); - return res; + if (res == 0) + sas_set_ex_phy(dev, phy_id, disc_resp); + goto out_free_resp; } else if (SAS_ADDR(sas_addr) == SAS_ADDR(phy->attached_sas_addr) && dev_type_flutter(type, phy->attached_dev_type)) { struct domain_device *ata_dev = sas_ex_to_ata(dev, phy_id); @@ -1989,7 +2003,7 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id, action = ", needs recovery"; pr_debug("ex %016llx phy%02d broadcast flutter%s\n", SAS_ADDR(dev->sas_addr), phy_id, action); - return res; + goto out_free_resp; }

/* we always have to delete the old device when we went here */ @@ -1998,7 +2012,10 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id, SAS_ADDR(phy->attached_sas_addr)); sas_unregister_devs_sas_addr(dev, phy_id, last);

- return sas_discover_new(dev, phy_id); + res = sas_discover_new(dev, phy_id); +out_free_resp: + kfree(disc_resp); + return res; }

/** diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 595dca92e8db..2919579fa084 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -3169,10 +3169,10 @@ lpfc_bsg_diag_loopback_run(struct bsg_job *job) }

cmdwqe = &cmdiocbq->wqe; - memset(cmdwqe, 0, sizeof(union lpfc_wqe)); + memset(cmdwqe, 0, sizeof(*cmdwqe)); if (phba->sli_rev < LPFC_SLI_REV4) { rspwqe = &rspiocbq->wqe; - memset(rspwqe, 0, sizeof(union lpfc_wqe)); + memset(rspwqe, 0, sizeof(*rspwqe)); }

INIT_LIST_HEAD(&head); diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index 425328d9c2d8..d41fea53e41e 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -1586,7 +1586,7 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba) wqe = &nvmewqe->wqe;

/* Initialize WQE */ - memset(wqe, 0, sizeof(union lpfc_wqe)); + memset(wqe, 0, sizeof(*wqe));

ctx_buf->iocbq->cmd_dmabuf = NULL; spin_lock(&phba->sli4_hba.sgl_list_lock); diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 44449c70a375..76eeba435fd0 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -2741,7 +2741,13 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport) return;

if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) { - qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16); + /* Will wait for wind down of adapter */ + ql_dbg(ql_dbg_aer, fcport->vha, 0x900c, + "%s pci offline detected (id %06x)\n", __func__, + fcport->d_id.b24); + qla_pci_set_eeh_busy(fcport->vha); + qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24, + 0, WAIT_TARGET); return; } } @@ -2763,7 +2769,11 @@ qla2x00_terminate_rport_io(struct fc_rport *rport) vha = fcport->vha;

if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) { - qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16); + /* Will wait for wind down of adapter */ + ql_dbg(ql_dbg_aer, fcport->vha, 0x900b, + "%s pci offline detected (id %06x)\n", __func__, + fcport->d_id.b24); + qla_pci_set_eeh_busy(vha); qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24, 0, WAIT_TARGET); return; diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index deb642607deb..2f49baf131e2 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -82,7 +82,7 @@ typedef union { #include "qla_nvme.h" #define QLA2XXX_DRIVER_NAME "qla2xxx" #define QLA2XXX_APIDEV "ql2xapidev" -#define QLA2XXX_MANUFACTURER "Marvell Semiconductor, Inc." +#define QLA2XXX_MANUFACTURER "Marvell"

/* * We have MAILBOX_REGISTER_COUNT sized arrays in a few places, diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 09cb9413670a..7309310d2ab9 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -44,7 +44,7 @@ extern int qla2x00_fabric_login(scsi_qla_host_t *, fc_port_t *, uint16_t *); extern int qla2x00_local_device_login(scsi_qla_host_t *, fc_port_t *);

extern int qla24xx_els_dcmd_iocb(scsi_qla_host_t *, int, port_id_t); -extern int qla24xx_els_dcmd2_iocb(scsi_qla_host_t *, int, fc_port_t *, bool); +extern int qla24xx_els_dcmd2_iocb(scsi_qla_host_t *, int, fc_port_t *); extern void qla2x00_els_dcmd2_free(scsi_qla_host_t *vha, struct els_plogi *els_plogi);

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index a314cfc5b263..8377624d76c9 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1193,8 +1193,12 @@ int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport) return rval;

done_free_sp: - /* ref: INIT */ - kref_put(&sp->cmd_kref, qla2x00_sp_release); + /* + * use qla24xx_async_gnl_sp_done to purge all pending gnl request. + * kref_put is call behind the scene. + */ + sp->u.iocb_cmd.u.mbx.in_mb[0] = MBS_COMMAND_ERROR; + qla24xx_async_gnl_sp_done(sp, QLA_COMMAND_ERROR); fcport->flags &= ~(FCF_ASYNC_SENT); done: fcport->flags &= ~(FCF_ASYNC_ACTIVE); @@ -2665,6 +2669,40 @@ qla83xx_nic_core_fw_load(scsi_qla_host_t *vha) return rval; }

+static void qla_enable_fce_trace(scsi_qla_host_t *vha) +{ + int rval; + struct qla_hw_data *ha = vha->hw; + + if (ha->fce) { + ha->flags.fce_enabled = 1; + memset(ha->fce, 0, fce_calc_size(ha->fce_bufs)); + rval = qla2x00_enable_fce_trace(vha, + ha->fce_dma, ha->fce_bufs, ha->fce_mb, &ha->fce_bufs); + + if (rval) { + ql_log(ql_log_warn, vha, 0x8033, + "Unable to reinitialize FCE (%d).\n", rval); + ha->flags.fce_enabled = 0; + } + } +} + +static void qla_enable_eft_trace(scsi_qla_host_t *vha) +{ + int rval; + struct qla_hw_data *ha = vha->hw; + + if (ha->eft) { + memset(ha->eft, 0, EFT_SIZE); + rval = qla2x00_enable_eft_trace(vha, ha->eft_dma, EFT_NUM_BUFFERS); + + if (rval) { + ql_log(ql_log_warn, vha, 0x8034, + "Unable to reinitialize EFT (%d).\n", rval); + } + } +} /* * qla2x00_initialize_adapter * Initialize board. @@ -3668,9 +3706,8 @@ qla24xx_chip_diag(scsi_qla_host_t *vha) }

static void -qla2x00_init_fce_trace(scsi_qla_host_t *vha) +qla2x00_alloc_fce_trace(scsi_qla_host_t *vha) { - int rval; dma_addr_t tc_dma; void *tc; struct qla_hw_data *ha = vha->hw; @@ -3699,27 +3736,17 @@ qla2x00_init_fce_trace(scsi_qla_host_t *vha) return; }

- rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS, - ha->fce_mb, &ha->fce_bufs); - if (rval) { - ql_log(ql_log_warn, vha, 0x00bf, - "Unable to initialize FCE (%d).\n", rval); - dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma); - return; - } - ql_dbg(ql_dbg_init, vha, 0x00c0, "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);

- ha->flags.fce_enabled = 1; ha->fce_dma = tc_dma; ha->fce = tc; + ha->fce_bufs = FCE_NUM_BUFFERS; }

static void -qla2x00_init_eft_trace(scsi_qla_host_t *vha) +qla2x00_alloc_eft_trace(scsi_qla_host_t *vha) { - int rval; dma_addr_t tc_dma; void *tc; struct qla_hw_data *ha = vha->hw; @@ -3744,14 +3771,6 @@ qla2x00_init_eft_trace(scsi_qla_host_t *vha) return; }

- rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS); - if (rval) { - ql_log(ql_log_warn, vha, 0x00c2, - "Unable to initialize EFT (%d).\n", rval); - dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma); - return; - } - ql_dbg(ql_dbg_init, vha, 0x00c3, "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);

@@ -3759,13 +3778,6 @@ qla2x00_init_eft_trace(scsi_qla_host_t *vha) ha->eft = tc; }

-static void -qla2x00_alloc_offload_mem(scsi_qla_host_t *vha) -{ - qla2x00_init_fce_trace(vha); - qla2x00_init_eft_trace(vha); -} - void qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) { @@ -3820,10 +3832,10 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) if (ha->tgt.atio_ring) mq_size += ha->tgt.atio_q_length * sizeof(request_t);

- qla2x00_init_fce_trace(vha); + qla2x00_alloc_fce_trace(vha); if (ha->fce) fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE; - qla2x00_init_eft_trace(vha); + qla2x00_alloc_eft_trace(vha); if (ha->eft) eft_size = EFT_SIZE; } @@ -4253,7 +4265,6 @@ qla2x00_setup_chip(scsi_qla_host_t *vha) struct qla_hw_data *ha = vha->hw; struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; unsigned long flags; - uint16_t fw_major_version; int done_once = 0;

if (IS_P3P_TYPE(ha)) { @@ -4320,7 +4331,6 @@ qla2x00_setup_chip(scsi_qla_host_t *vha) goto failed;

enable_82xx_npiv: - fw_major_version = ha->fw_major_version; if (IS_P3P_TYPE(ha)) qla82xx_check_md_needed(vha); else @@ -4349,12 +4359,11 @@ qla2x00_setup_chip(scsi_qla_host_t *vha) if (rval != QLA_SUCCESS) goto failed;

- if (!fw_major_version && !(IS_P3P_TYPE(ha))) - qla2x00_alloc_offload_mem(vha); - if (ql2xallocfwdump && !(IS_P3P_TYPE(ha))) qla2x00_alloc_fw_dump(vha);

+ qla_enable_fce_trace(vha); + qla_enable_eft_trace(vha); } else { goto failed; } @@ -7487,12 +7496,12 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha) int qla2x00_abort_isp(scsi_qla_host_t *vha) { - int rval; uint8_t status = 0; struct qla_hw_data *ha = vha->hw; struct scsi_qla_host *vp, *tvp; struct req_que *req = ha->req_q_map[0]; unsigned long flags; + fc_port_t *fcport;

if (vha->flags.online) { qla2x00_abort_isp_cleanup(vha); @@ -7561,6 +7570,15 @@ qla2x00_abort_isp(scsi_qla_host_t *vha) "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n"); return status; } + + /* User may have updated [fcp|nvme] prefer in flash */ + list_for_each_entry(fcport, &vha->vp_fcports, list) { + if (NVME_PRIORITY(ha, fcport)) + fcport->do_prli_nvme = 1; + else + fcport->do_prli_nvme = 0; + } + if (!qla2x00_restart_isp(vha)) { clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);

@@ -7581,31 +7599,7 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)

if (IS_QLA81XX(ha) || IS_QLA8031(ha)) qla2x00_get_fw_version(vha); - if (ha->fce) { - ha->flags.fce_enabled = 1; - memset(ha->fce, 0, - fce_calc_size(ha->fce_bufs)); - rval = qla2x00_enable_fce_trace(vha, - ha->fce_dma, ha->fce_bufs, ha->fce_mb, - &ha->fce_bufs); - if (rval) { - ql_log(ql_log_warn, vha, 0x8033, - "Unable to reinitialize FCE " - "(%d).\n", rval); - ha->flags.fce_enabled = 0; - } - }

- if (ha->eft) { - memset(ha->eft, 0, EFT_SIZE); - rval = qla2x00_enable_eft_trace(vha, - ha->eft_dma, EFT_NUM_BUFFERS); - if (rval) { - ql_log(ql_log_warn, vha, 0x8034, - "Unable to reinitialize EFT " - "(%d).\n", rval); - } - } } else { /* failed the ISP abort */ vha->flags.online = 1; if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { @@ -7655,6 +7649,14 @@ qla2x00_abort_isp(scsi_qla_host_t *vha) atomic_inc(&vp->vref_count); spin_unlock_irqrestore(&ha->vport_slock, flags);

+ /* User may have updated [fcp|nvme] prefer in flash */ + list_for_each_entry(fcport, &vp->vp_fcports, list) { + if (NVME_PRIORITY(ha, fcport)) + fcport->do_prli_nvme = 1; + else + fcport->do_prli_nvme = 0; + } + qla2x00_vp_abort_isp(vp);

spin_lock_irqsave(&ha->vport_slock, flags); diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index df90169f8244..0b41e8a06602 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2587,6 +2587,33 @@ void qla2x00_sp_release(struct kref *kref) { struct srb *sp = container_of(kref, struct srb, cmd_kref); + struct scsi_qla_host *vha = sp->vha; + + switch (sp->type) { + case SRB_CT_PTHRU_CMD: + /* GPSC & GFPNID use fcport->ct_desc.ct_sns for both req & rsp */ + if (sp->u.iocb_cmd.u.ctarg.req && + (!sp->fcport || + sp->u.iocb_cmd.u.ctarg.req != sp->fcport->ct_desc.ct_sns)) { + dma_free_coherent(&vha->hw->pdev->dev, + sp->u.iocb_cmd.u.ctarg.req_allocated_size, + sp->u.iocb_cmd.u.ctarg.req, + sp->u.iocb_cmd.u.ctarg.req_dma); + sp->u.iocb_cmd.u.ctarg.req = NULL; + } + if (sp->u.iocb_cmd.u.ctarg.rsp && + (!sp->fcport || + sp->u.iocb_cmd.u.ctarg.rsp != sp->fcport->ct_desc.ct_sns)) { + dma_free_coherent(&vha->hw->pdev->dev, + sp->u.iocb_cmd.u.ctarg.rsp_allocated_size, + sp->u.iocb_cmd.u.ctarg.rsp, + sp->u.iocb_cmd.u.ctarg.rsp_dma); + sp->u.iocb_cmd.u.ctarg.rsp = NULL; + } + break; + default: + break; + }

sp->free(sp); } @@ -2610,7 +2637,8 @@ static void qla2x00_els_dcmd_sp_free(srb_t *sp) { struct srb_iocb *elsio = &sp->u.iocb_cmd;

- kfree(sp->fcport); + if (sp->fcport) + qla2x00_free_fcport(sp->fcport);

if (elsio->u.els_logo.els_logo_pyld) dma_free_coherent(&sp->vha->hw->pdev->dev, DMA_POOL_SIZE, @@ -2692,7 +2720,7 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode, */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) { - kfree(fcport); + qla2x00_free_fcport(fcport); ql_log(ql_log_info, vha, 0x70e6, "SRB allocation failed\n"); return -ENOMEM; @@ -2723,6 +2751,7 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode, if (!elsio->u.els_logo.els_logo_pyld) { /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); + qla2x00_free_fcport(fcport); return QLA_FUNCTION_FAILED; }

@@ -2747,6 +2776,7 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode, if (rval != QLA_SUCCESS) { /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); + qla2x00_free_fcport(fcport); return QLA_FUNCTION_FAILED; }

@@ -3012,7 +3042,7 @@ static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res)

int qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode, - fc_port_t *fcport, bool wait) + fc_port_t *fcport) { srb_t *sp; struct srb_iocb *elsio = NULL; @@ -3027,8 +3057,7 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode, if (!sp) { ql_log(ql_log_info, vha, 0x70e6, "SRB allocation failed\n"); - fcport->flags &= ~FCF_ASYNC_ACTIVE; - return -ENOMEM; + goto done; }

fcport->flags |= FCF_ASYNC_SENT; @@ -3037,9 +3066,6 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode, ql_dbg(ql_dbg_io, vha, 0x3073, "%s Enter: PLOGI portid=%06x\n", __func__, fcport->d_id.b24);

- if (wait) - sp->flags = SRB_WAKEUP_ON_COMP; - sp->type = SRB_ELS_DCMD; sp->name = "ELS_DCMD"; sp->fcport = fcport; @@ -3055,7 +3081,7 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,

if (!elsio->u.els_plogi.els_plogi_pyld) { rval = QLA_FUNCTION_FAILED; - goto out; + goto done_free_sp; }

resp_ptr = elsio->u.els_plogi.els_resp_pyld = @@ -3064,7 +3090,7 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,

if (!elsio->u.els_plogi.els_resp_pyld) { rval = QLA_FUNCTION_FAILED; - goto out; + goto done_free_sp; }

ql_dbg(ql_dbg_io, vha, 0x3073, "PLOGI %p %p\n", ptr, resp_ptr); @@ -3080,7 +3106,6 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,

if (els_opcode == ELS_DCMD_PLOGI && DBELL_ACTIVE(vha)) { struct fc_els_flogi *p = ptr; - p->fl_csp.sp_features |= cpu_to_be16(FC_SP_FT_SEC); }

@@ -3089,10 +3114,11 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode, (uint8_t *)elsio->u.els_plogi.els_plogi_pyld, sizeof(*elsio->u.els_plogi.els_plogi_pyld));

- init_completion(&elsio->u.els_plogi.comp); rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) { - rval = QLA_FUNCTION_FAILED; + fcport->flags |= FCF_LOGIN_NEEDED; + set_bit(RELOGIN_NEEDED, &vha->dpc_flags); + goto done_free_sp; } else { ql_dbg(ql_dbg_disc, vha, 0x3074, "%s PLOGI sent, hdl=%x, loopid=%x, to port_id %06x from port_id %06x\n", @@ -3100,21 +3126,15 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode, fcport->d_id.b24, vha->d_id.b24); }

- if (wait) { - wait_for_completion(&elsio->u.els_plogi.comp); - - if (elsio->u.els_plogi.comp_status != CS_COMPLETE) - rval = QLA_FUNCTION_FAILED; - } else { - goto done; - } + return rval;

-out: - fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); +done_free_sp: qla2x00_els_dcmd2_free(vha, &elsio->u.els_plogi); /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); done: + fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); + qla2x00_set_fcport_disc_state(fcport, DSC_DELETED); return rval; }

@@ -3918,7 +3938,7 @@ qla2x00_start_sp(srb_t *sp) return -EAGAIN; }

- pkt = __qla2x00_alloc_iocbs(sp->qpair, sp); + pkt = qla2x00_alloc_iocbs_ready(sp->qpair, sp); if (!pkt) { rval = -EAGAIN; ql_log(ql_log_warn, vha, 0x700c, diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 21ec32b4fb28..0cd6f3e14882 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -194,7 +194,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) if (ha->flags.purge_mbox || chip_reset != ha->chip_reset || ha->flags.eeh_busy) { ql_log(ql_log_warn, vha, 0xd035, - "Error detected: purge[%d] eeh[%d] cmd=0x%x, Exiting.\n", + "Purge mbox: purge[%d] eeh[%d] cmd=0x%x, Exiting.\n", ha->flags.purge_mbox, ha->flags.eeh_busy, mcp->mb[0]); rval = QLA_ABORTED; goto premature_exit; diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 03348f605c2e..931bdaeaee1d 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -4602,6 +4602,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, ha->init_cb_dma = 0; fail_free_vp_map: kfree(ha->vp_map); + ha->vp_map = NULL; fail: ql_log(ql_log_fatal, NULL, 0x0030, "Memory allocation failure.\n"); @@ -5583,7 +5584,7 @@ qla2x00_do_work(struct scsi_qla_host *vha) break; case QLA_EVT_ELS_PLOGI: qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI, - e->u.fcport.fcport, false); + e->u.fcport.fcport); break; case QLA_EVT_SA_REPLACE: rc = qla24xx_issue_sa_replace_iocb(vha, e); diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 2ef2dbac0db2..d7551b1443e4 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -1062,6 +1062,16 @@ void qlt_free_session_done(struct work_struct *work) "%s: sess %p logout completed\n", __func__, sess); }

+ /* check for any straggling io left behind */ + if (!(sess->flags & FCF_FCP2_DEVICE) && + qla2x00_eh_wait_for_pending_commands(sess->vha, sess->d_id.b24, 0, WAIT_TARGET)) { + ql_log(ql_log_warn, vha, 0x3027, + "IO not return. Resetting.\n"); + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + qla2x00_wait_for_chip_reset(vha); + } + if (sess->logo_ack_needed) { sess->logo_ack_needed = 0; qla24xx_async_notify_ack(vha, sess, diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 44680f65ea14..ca99be7341d9 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -1619,6 +1619,40 @@ int scsi_add_device(struct Scsi_Host *host, uint channel, } EXPORT_SYMBOL(scsi_add_device);

+int scsi_resume_device(struct scsi_device *sdev) +{ + struct device *dev = &sdev->sdev_gendev; + int ret = 0; + + device_lock(dev); + + /* + * Bail out if the device or its queue are not running. Otherwise, + * the rescan may block waiting for commands to be executed, with us + * holding the device lock. This can result in a potential deadlock + * in the power management core code when system resume is on-going. + */ + if (sdev->sdev_state != SDEV_RUNNING || + blk_queue_pm_only(sdev->request_queue)) { + ret = -EWOULDBLOCK; + goto unlock; + } + + if (dev->driver && try_module_get(dev->driver->owner)) { + struct scsi_driver *drv = to_scsi_driver(dev->driver); + + if (drv->resume) + ret = drv->resume(dev); + module_put(dev->driver->owner); + } + +unlock: + device_unlock(dev); + + return ret; +} +EXPORT_SYMBOL(scsi_resume_device); + int scsi_rescan_device(struct scsi_device *sdev) { struct device *dev = &sdev->sdev_gendev; diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index a12ff43ac8fd..f76dbeade0c4 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -3948,7 +3948,21 @@ static int sd_suspend_runtime(struct device *dev) return sd_suspend_common(dev, true); }

-static int sd_resume(struct device *dev, bool runtime) +static int sd_resume(struct device *dev) +{ + struct scsi_disk *sdkp = dev_get_drvdata(dev); + + sd_printk(KERN_NOTICE, sdkp, "Starting disk\n"); + + if (opal_unlock_from_suspend(sdkp->opal_dev)) { + sd_printk(KERN_NOTICE, sdkp, "OPAL unlock failed\n"); + return -EIO; + } + + return 0; +} + +static int sd_resume_common(struct device *dev, bool runtime) { struct scsi_disk *sdkp = dev_get_drvdata(dev); int ret; @@ -3964,7 +3978,7 @@ static int sd_resume(struct device *dev, bool runtime) sd_printk(KERN_NOTICE, sdkp, "Starting disk\n"); ret = sd_start_stop_device(sdkp, 1); if (!ret) { - opal_unlock_from_suspend(sdkp->opal_dev); + sd_resume(dev); sdkp->suspended = false; }

@@ -3983,7 +3997,7 @@ static int sd_resume_system(struct device *dev) return 0; }

- return sd_resume(dev, false); + return sd_resume_common(dev, false); }

static int sd_resume_runtime(struct device *dev) @@ -4010,7 +4024,7 @@ static int sd_resume_runtime(struct device *dev) "Failed to clear sense data\n"); }

- return sd_resume(dev, true); + return sd_resume_common(dev, true); }

static const struct dev_pm_ops sd_pm_ops = { @@ -4033,6 +4047,7 @@ static struct scsi_driver sd_template = { .pm = &sd_pm_ops, }, .rescan = sd_rescan, + .resume = sd_resume, .init_command = sd_init_command, .uninit_command = sd_uninit_command, .done = sd_done, diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c index d43873bb5fe6..01cbd4621981 100644 --- a/drivers/slimbus/core.c +++ b/drivers/slimbus/core.c @@ -436,8 +436,8 @@ static int slim_device_alloc_laddr(struct slim_device *sbdev, if (ret < 0) goto err; } else if (report_present) { - ret = ida_simple_get(&ctrl->laddr_ida, - 0, SLIM_LA_MANAGER - 1, GFP_KERNEL); + ret = ida_alloc_max(&ctrl->laddr_ida, + SLIM_LA_MANAGER - 1, GFP_KERNEL); if (ret < 0) goto err;

diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c index 739e4eee6b75..7e9074519ad2 100644 --- a/drivers/soc/fsl/qbman/qman.c +++ b/drivers/soc/fsl/qbman/qman.c @@ -991,7 +991,7 @@ struct qman_portal { /* linked-list of CSCN handlers. */ struct list_head cgr_cbs; /* list lock */ - spinlock_t cgr_lock; + raw_spinlock_t cgr_lock; struct work_struct congestion_work; struct work_struct mr_work; char irqname[MAX_IRQNAME]; @@ -1281,7 +1281,7 @@ static int qman_create_portal(struct qman_portal *portal, /* if the given mask is NULL, assume all CGRs can be seen */ qman_cgrs_fill(&portal->cgrs[0]); INIT_LIST_HEAD(&portal->cgr_cbs); - spin_lock_init(&portal->cgr_lock); + raw_spin_lock_init(&portal->cgr_lock); INIT_WORK(&portal->congestion_work, qm_congestion_task); INIT_WORK(&portal->mr_work, qm_mr_process_task); portal->bits = 0; @@ -1456,11 +1456,14 @@ static void qm_congestion_task(struct work_struct *work) union qm_mc_result *mcr; struct qman_cgr *cgr;

- spin_lock(&p->cgr_lock); + /* + * FIXME: QM_MCR_TIMEOUT is 10ms, which is too long for a raw spinlock! + */ + raw_spin_lock_irq(&p->cgr_lock); qm_mc_start(&p->p); qm_mc_commit(&p->p, QM_MCC_VERB_QUERYCONGESTION); if (!qm_mc_result_timeout(&p->p, &mcr)) { - spin_unlock(&p->cgr_lock); + raw_spin_unlock_irq(&p->cgr_lock); dev_crit(p->config->dev, "QUERYCONGESTION timeout\n"); qman_p_irqsource_add(p, QM_PIRQ_CSCI); return; @@ -1476,7 +1479,7 @@ static void qm_congestion_task(struct work_struct *work) list_for_each_entry(cgr, &p->cgr_cbs, node) if (cgr->cb && qman_cgrs_get(&c, cgr->cgrid)) cgr->cb(p, cgr, qman_cgrs_get(&rr, cgr->cgrid)); - spin_unlock(&p->cgr_lock); + raw_spin_unlock_irq(&p->cgr_lock); qman_p_irqsource_add(p, QM_PIRQ_CSCI); }

@@ -2440,7 +2443,7 @@ int qman_create_cgr(struct qman_cgr *cgr, u32 flags, preempt_enable();

cgr->chan = p->config->channel; - spin_lock(&p->cgr_lock); + raw_spin_lock_irq(&p->cgr_lock);

if (opts) { struct qm_mcc_initcgr local_opts = *opts; @@ -2477,7 +2480,7 @@ int qman_create_cgr(struct qman_cgr *cgr, u32 flags, qman_cgrs_get(&p->cgrs[1], cgr->cgrid)) cgr->cb(p, cgr, 1); out: - spin_unlock(&p->cgr_lock); + raw_spin_unlock_irq(&p->cgr_lock); put_affine_portal(); return ret; } @@ -2512,7 +2515,7 @@ int qman_delete_cgr(struct qman_cgr *cgr) return -EINVAL;

memset(&local_opts, 0, sizeof(struct qm_mcc_initcgr)); - spin_lock_irqsave(&p->cgr_lock, irqflags); + raw_spin_lock_irqsave(&p->cgr_lock, irqflags); list_del(&cgr->node); /* * If there are no other CGR objects for this CGRID in the list, @@ -2537,7 +2540,7 @@ int qman_delete_cgr(struct qman_cgr *cgr) /* add back to the list */ list_add(&cgr->node, &p->cgr_cbs); release_lock: - spin_unlock_irqrestore(&p->cgr_lock, irqflags); + raw_spin_unlock_irqrestore(&p->cgr_lock, irqflags); put_affine_portal(); return ret; } @@ -2577,9 +2580,9 @@ static int qman_update_cgr(struct qman_cgr *cgr, struct qm_mcc_initcgr *opts) if (!p) return -EINVAL;

- spin_lock_irqsave(&p->cgr_lock, irqflags); + raw_spin_lock_irqsave(&p->cgr_lock, irqflags); ret = qm_modify_cgr(cgr, 0, opts); - spin_unlock_irqrestore(&p->cgr_lock, irqflags); + raw_spin_unlock_irqrestore(&p->cgr_lock, irqflags); put_affine_portal(); return ret; } diff --git a/drivers/staging/media/ipu3/ipu3-v4l2.c b/drivers/staging/media/ipu3/ipu3-v4l2.c index e530767e80a5..55cc44a401bc 100644 --- a/drivers/staging/media/ipu3/ipu3-v4l2.c +++ b/drivers/staging/media/ipu3/ipu3-v4l2.c @@ -1069,6 +1069,11 @@ static int imgu_v4l2_subdev_register(struct imgu_device *imgu, struct imgu_media_pipe *imgu_pipe = &imgu->imgu_pipe[pipe];

/* Initialize subdev media entity */ + imgu_sd->subdev.entity.ops = &imgu_media_ops; + for (i = 0; i < IMGU_NODE_NUM; i++) { + imgu_sd->subdev_pads[i].flags = imgu_pipe->nodes[i].output ? + MEDIA_PAD_FL_SINK : MEDIA_PAD_FL_SOURCE; + } r = media_entity_pads_init(&imgu_sd->subdev.entity, IMGU_NODE_NUM, imgu_sd->subdev_pads); if (r) { @@ -1076,11 +1081,6 @@ static int imgu_v4l2_subdev_register(struct imgu_device *imgu, "failed initialize subdev media entity (%d)\n", r); return r; } - imgu_sd->subdev.entity.ops = &imgu_media_ops; - for (i = 0; i < IMGU_NODE_NUM; i++) { - imgu_sd->subdev_pads[i].flags = imgu_pipe->nodes[i].output ? - MEDIA_PAD_FL_SINK : MEDIA_PAD_FL_SOURCE; - }

/* Initialize subdev */ v4l2_subdev_init(&imgu_sd->subdev, &imgu_subdev_ops); @@ -1177,15 +1177,15 @@ static int imgu_v4l2_node_setup(struct imgu_device *imgu, unsigned int pipe, }

/* Initialize media entities */ + node->vdev_pad.flags = node->output ? + MEDIA_PAD_FL_SOURCE : MEDIA_PAD_FL_SINK; + vdev->entity.ops = NULL; r = media_entity_pads_init(&vdev->entity, 1, &node->vdev_pad); if (r) { dev_err(dev, "failed initialize media entity (%d)\n", r); mutex_destroy(&node->lock); return r; } - node->vdev_pad.flags = node->output ? - MEDIA_PAD_FL_SOURCE : MEDIA_PAD_FL_SINK; - vdev->entity.ops = NULL;

/* Initialize vbq */ vbq->type = node->vdev_fmt.type; diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c index 258aa0e37f55..4c3684dd902e 100644 --- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c +++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c @@ -937,8 +937,9 @@ static int create_component(struct vchiq_mmal_instance *instance, /* build component create message */ m.h.type = MMAL_MSG_TYPE_COMPONENT_CREATE; m.u.component_create.client_component = component->client_component; - strncpy(m.u.component_create.name, name, - sizeof(m.u.component_create.name)); + strscpy_pad(m.u.component_create.name, name, + sizeof(m.u.component_create.name)); + m.u.component_create.pid = 0;

ret = send_synchronous_mmal_msg(instance, &m, sizeof(m.u.component_create), diff --git a/drivers/tee/optee/device.c b/drivers/tee/optee/device.c index 4b1092127694..1892e49a8e6a 100644 --- a/drivers/tee/optee/device.c +++ b/drivers/tee/optee/device.c @@ -90,13 +90,14 @@ static int optee_register_device(const uuid_t *device_uuid, u32 func) if (rc) { pr_err("device registration failed, err: %d\n", rc); put_device(&optee_device->dev); + return rc; }

if (func == PTA_CMD_GET_DEVICES_SUPP) device_create_file(&optee_device->dev, &dev_attr_need_supplicant);

- return rc; + return 0; }

static int __optee_enumerate_devices(u32 func) diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c index 262e62ab6cf2..90b828bcca24 100644 --- a/drivers/thermal/devfreq_cooling.c +++ b/drivers/thermal/devfreq_cooling.c @@ -201,7 +201,7 @@ static int devfreq_cooling_get_requested_power(struct thermal_cooling_device *cd

res = dfc->power_ops->get_real_power(df, power, freq, voltage); if (!res) { - state = dfc->capped_state; + state = dfc->max_state - dfc->capped_state;

/* Convert EM power into milli-Watts first */ dfc->res_util = dfc->em_pd->table[state].power; diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c index 649f67fdf345..d75fae7b7ed2 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c @@ -176,14 +176,14 @@ static int proc_thermal_get_zone_temp(struct thermal_zone_device *zone, int *temp) { int cpu; - int curr_temp; + int curr_temp, ret;

*temp = 0;

for_each_online_cpu(cpu) { - curr_temp = intel_tcc_get_temp(cpu, false); - if (curr_temp < 0) - return curr_temp; + ret = intel_tcc_get_temp(cpu, &curr_temp, false); + if (ret < 0) + return ret; if (!*temp || curr_temp > *temp) *temp = curr_temp; } diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c index 2f00fc3bf274..e964a9375722 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_rapl.c @@ -27,9 +27,9 @@ static int rapl_mmio_cpu_online(unsigned int cpu) if (topology_physical_package_id(cpu)) return 0;

- rp = rapl_find_package_domain(cpu, &rapl_mmio_priv, true); + rp = rapl_find_package_domain_cpuslocked(cpu, &rapl_mmio_priv, true); if (!rp) { - rp = rapl_add_package(cpu, &rapl_mmio_priv, true); + rp = rapl_add_package_cpuslocked(cpu, &rapl_mmio_priv, true); if (IS_ERR(rp)) return PTR_ERR(rp); } @@ -42,14 +42,14 @@ static int rapl_mmio_cpu_down_prep(unsigned int cpu) struct rapl_package *rp; int lead_cpu;

- rp = rapl_find_package_domain(cpu, &rapl_mmio_priv, true); + rp = rapl_find_package_domain_cpuslocked(cpu, &rapl_mmio_priv, true); if (!rp) return 0;

cpumask_clear_cpu(cpu, &rp->cpumask); lead_cpu = cpumask_first(&rp->cpumask); if (lead_cpu >= nr_cpu_ids) - rapl_remove_package(rp); + rapl_remove_package_cpuslocked(rp); else if (rp->lead_cpu == cpu) rp->lead_cpu = lead_cpu; return 0; diff --git a/drivers/thermal/intel/intel_tcc.c b/drivers/thermal/intel/intel_tcc.c index 2e5c741c41ca..5e8b7f34b395 100644 --- a/drivers/thermal/intel/intel_tcc.c +++ b/drivers/thermal/intel/intel_tcc.c @@ -103,18 +103,19 @@ EXPORT_SYMBOL_NS_GPL(intel_tcc_set_offset, INTEL_TCC); /** * intel_tcc_get_temp() - returns the current temperature * @cpu: cpu that the MSR should be run on, nagative value means any cpu. + * @temp: pointer to the memory for saving cpu temperature. * @pkg: true: Package Thermal Sensor. false: Core Thermal Sensor. * * Get the current temperature returned by the CPU core/package level * thermal sensor, in degrees C. * - * Return: Temperature in degrees C on success, negative error code otherwise. + * Return: 0 on success, negative error code otherwise. */ -int intel_tcc_get_temp(int cpu, bool pkg) +int intel_tcc_get_temp(int cpu, int *temp, bool pkg) { u32 low, high; u32 msr = pkg ? MSR_IA32_PACKAGE_THERM_STATUS : MSR_IA32_THERM_STATUS; - int tjmax, temp, err; + int tjmax, err;

tjmax = intel_tcc_get_tjmax(cpu); if (tjmax < 0) @@ -131,9 +132,8 @@ int intel_tcc_get_temp(int cpu, bool pkg) if (!(low & BIT(31))) return -ENODATA;

- temp = tjmax - ((low >> 16) & 0x7f); + *temp = tjmax - ((low >> 16) & 0x7f);

- /* Do not allow negative CPU temperature */ - return temp >= 0 ? temp : -ENODATA; + return 0; } EXPORT_SYMBOL_NS_GPL(intel_tcc_get_temp, INTEL_TCC); diff --git a/drivers/thermal/intel/x86_pkg_temp_thermal.c b/drivers/thermal/intel/x86_pkg_temp_thermal.c index 11a7f8108bbb..61c3d450ee60 100644 --- a/drivers/thermal/intel/x86_pkg_temp_thermal.c +++ b/drivers/thermal/intel/x86_pkg_temp_thermal.c @@ -108,11 +108,11 @@ static struct zone_device *pkg_temp_thermal_get_dev(unsigned int cpu) static int sys_get_curr_temp(struct thermal_zone_device *tzd, int *temp) { struct zone_device *zonedev = thermal_zone_device_priv(tzd); - int val; + int val, ret;

- val = intel_tcc_get_temp(zonedev->cpu, true); - if (val < 0) - return val; + ret = intel_tcc_get_temp(zonedev->cpu, &val, true); + if (ret < 0) + return ret;

*temp = val * 1000; pr_debug("sys_get_curr_temp %d\n", *temp); diff --git a/drivers/thermal/mediatek/auxadc_thermal.c b/drivers/thermal/mediatek/auxadc_thermal.c index 8b0edb204844..9ee2e7283435 100644 --- a/drivers/thermal/mediatek/auxadc_thermal.c +++ b/drivers/thermal/mediatek/auxadc_thermal.c @@ -690,6 +690,9 @@ static const struct mtk_thermal_data mt7986_thermal_data = { .adcpnp = mt7986_adcpnp, .sensor_mux_values = mt7986_mux_values, .version = MTK_THERMAL_V3, + .apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON1, + .apmixed_buffer_ctl_mask = GENMASK(31, 6) | BIT(3), + .apmixed_buffer_ctl_set = BIT(0), };

static bool mtk_thermal_temp_is_valid(int temp) diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index 44e9b09de47a..a3c68c808eeb 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -1265,6 +1265,9 @@ int tb_port_update_credits(struct tb_port *port) ret = tb_port_do_update_credits(port); if (ret) return ret; + + if (!port->dual_link_port) + return 0; return tb_port_do_update_credits(port->dual_link_port); }

diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 8ca061d3bbb9..1d65055dde27 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1329,9 +1329,6 @@ static void autoconfig_irq(struct uart_8250_port *up) inb_p(ICP); }

- if (uart_console(port)) - console_lock(); - /* forget possible initially masked and pending IRQ */ probe_irq_off(probe_irq_on()); save_mcr = serial8250_in_MCR(up); @@ -1371,9 +1368,6 @@ static void autoconfig_irq(struct uart_8250_port *up) if (port->flags & UPF_FOURPORT) outb_p(save_ICP, ICP);

- if (uart_console(port)) - console_unlock(); - port->irq = (irq > 0) ? irq : 0; }

diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 6d0cfb2e86b4..71d0cbd74807 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -2345,9 +2345,12 @@ lpuart32_set_termios(struct uart_port *port, struct ktermios *termios,

lpuart32_write(&sport->port, bd, UARTBAUD); lpuart32_serial_setbrg(sport, baud); - lpuart32_write(&sport->port, modem, UARTMODIR); - lpuart32_write(&sport->port, ctrl, UARTCTRL); + /* disable CTS before enabling UARTCTRL_TE to avoid pending idle preamble */ + lpuart32_write(&sport->port, modem & ~UARTMODIR_TXCTSE, UARTMODIR); /* restore control register */ + lpuart32_write(&sport->port, ctrl, UARTCTRL); + /* re-enable the CTS if needed */ + lpuart32_write(&sport->port, modem, UARTMODIR);

if ((ctrl & (UARTCTRL_PE | UARTCTRL_M)) == UARTCTRL_PE) sport->is_cs7 = true; diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 81557a58f86f..5545bf4a79fc 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -462,8 +462,7 @@ static void imx_uart_stop_tx(struct uart_port *port) } }

-/* called with port.lock taken and irqs off */ -static void imx_uart_stop_rx(struct uart_port *port) +static void imx_uart_stop_rx_with_loopback_ctrl(struct uart_port *port, bool loopback) { struct imx_port *sport = (struct imx_port *)port; u32 ucr1, ucr2, ucr4, uts; @@ -485,7 +484,7 @@ static void imx_uart_stop_rx(struct uart_port *port) /* See SER_RS485_ENABLED/UTS_LOOP comment in imx_uart_probe() */ if (port->rs485.flags & SER_RS485_ENABLED && port->rs485.flags & SER_RS485_RTS_ON_SEND && - sport->have_rtscts && !sport->have_rtsgpio) { + sport->have_rtscts && !sport->have_rtsgpio && loopback) { uts = imx_uart_readl(sport, imx_uart_uts_reg(sport)); uts |= UTS_LOOP; imx_uart_writel(sport, uts, imx_uart_uts_reg(sport)); @@ -497,6 +496,16 @@ static void imx_uart_stop_rx(struct uart_port *port) imx_uart_writel(sport, ucr2, UCR2); }

+/* called with port.lock taken and irqs off */ +static void imx_uart_stop_rx(struct uart_port *port) +{ + /* + * Stop RX and enable loopback in order to make sure RS485 bus + * is not blocked. Se comment in imx_uart_probe(). + */ + imx_uart_stop_rx_with_loopback_ctrl(port, true); +} + /* called with port.lock taken and irqs off */ static void imx_uart_enable_ms(struct uart_port *port) { @@ -682,9 +691,14 @@ static void imx_uart_start_tx(struct uart_port *port) imx_uart_rts_inactive(sport, &ucr2); imx_uart_writel(sport, ucr2, UCR2);

+ /* + * Since we are about to transmit we can not stop RX + * with loopback enabled because that will make our + * transmitted data being just looped to RX. + */ if (!(port->rs485.flags & SER_RS485_RX_DURING_TX) && !port->rs485_rx_during_tx_gpio) - imx_uart_stop_rx(port); + imx_uart_stop_rx_with_loopback_ctrl(port, false);

sport->tx_state = WAIT_AFTER_RTS;

diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index 5aff179bf297..1a4bb55652af 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -1635,13 +1635,16 @@ static unsigned short max310x_i2c_slave_addr(unsigned short addr,

static int max310x_i2c_probe(struct i2c_client *client) { - const struct max310x_devtype *devtype = - device_get_match_data(&client->dev); + const struct max310x_devtype *devtype; struct i2c_client *port_client; struct regmap *regmaps[4]; unsigned int i; u8 port_addr;

+ devtype = device_get_match_data(&client->dev); + if (!devtype) + return dev_err_probe(&client->dev, -ENODEV, "Failed to match device\n"); + if (client->addr < devtype->slave_addr.min || client->addr > devtype->slave_addr.max) return dev_err_probe(&client->dev, -EINVAL, diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 7e78f97e8f43..549909644011 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -851,19 +851,21 @@ static void qcom_geni_serial_stop_tx(struct uart_port *uport) }

static void qcom_geni_serial_send_chunk_fifo(struct uart_port *uport, - unsigned int remaining) + unsigned int chunk) { struct qcom_geni_serial_port *port = to_dev_port(uport); struct circ_buf *xmit = &uport->state->xmit; - unsigned int tx_bytes; + unsigned int tx_bytes, c, remaining = chunk; u8 buf[BYTES_PER_FIFO_WORD];

while (remaining) { memset(buf, 0, sizeof(buf)); tx_bytes = min(remaining, BYTES_PER_FIFO_WORD);

- memcpy(buf, &xmit->buf[xmit->tail], tx_bytes); - uart_xmit_advance(uport, tx_bytes); + for (c = 0; c < tx_bytes ; c++) { + buf[c] = xmit->buf[xmit->tail]; + uart_xmit_advance(uport, 1); + }

iowrite32_rep(uport->membase + SE_GENI_TX_FIFOn, buf, 1);

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 39fa9ae5099b..e383d9a10ace 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2603,7 +2603,12 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state, port->type = PORT_UNKNOWN; flags |= UART_CONFIG_TYPE; } + /* Synchronize with possible boot console. */ + if (uart_console(port)) + console_lock(); port->ops->config_port(port, flags); + if (uart_console(port)) + console_unlock(); }

if (port->type != PORT_UNKNOWN) { @@ -2611,6 +2616,10 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,

uart_report_port(drv, port);

+ /* Synchronize with possible boot console. */ + if (uart_console(port)) + console_lock(); + /* Power up port for set_mctrl() */ uart_change_pm(state, UART_PM_STATE_ON);

@@ -2627,6 +2636,9 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,

uart_rs485_config(port);

+ if (uart_console(port)) + console_unlock(); + /* * If this driver supports console, and it hasn't been * successfully registered yet, try to re-register it. diff --git a/drivers/tty/serial/serial_port.c b/drivers/tty/serial/serial_port.c index 88975a4df306..72b6f4f326e2 100644 --- a/drivers/tty/serial/serial_port.c +++ b/drivers/tty/serial/serial_port.c @@ -46,8 +46,31 @@ static int serial_port_runtime_resume(struct device *dev) return 0; }

+static int serial_port_runtime_suspend(struct device *dev) +{ + struct serial_port_device *port_dev = to_serial_base_port_device(dev); + struct uart_port *port = port_dev->port; + unsigned long flags; + bool busy; + + if (port->flags & UPF_DEAD) + return 0; + + uart_port_lock_irqsave(port, &flags); + busy = __serial_port_busy(port); + if (busy) + port->ops->start_tx(port); + uart_port_unlock_irqrestore(port, flags); + + if (busy) + pm_runtime_mark_last_busy(dev); + + return busy ? -EBUSY : 0; +} + static DEFINE_RUNTIME_DEV_PM_OPS(serial_port_pm, - NULL, serial_port_runtime_resume, NULL); + serial_port_runtime_suspend, + serial_port_runtime_resume, NULL);

static int serial_port_probe(struct device *dev) { diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 6617d3a8e84c..52e6ca1ba21d 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -381,7 +381,7 @@ static void vc_uniscr_delete(struct vc_data *vc, unsigned int nr) u32 *ln = vc->vc_uni_lines[vc->state.y]; unsigned int x = vc->state.x, cols = vc->vc_cols;

- memcpy(&ln[x], &ln[x + nr], (cols - x - nr) * sizeof(*ln)); + memmove(&ln[x], &ln[x + nr], (cols - x - nr) * sizeof(*ln)); memset32(&ln[cols - nr], ' ', nr); } } diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 0f4b3f16d3d7..0d3886455375 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1397,8 +1397,10 @@ static int ufs_qcom_set_core_clk_ctrl(struct ufs_hba *hba, bool is_scale_up)

list_for_each_entry(clki, head, list) { if (!IS_ERR_OR_NULL(clki->clk) && - !strcmp(clki->name, "core_clk_unipro")) { - if (is_scale_up) + !strcmp(clki->name, "core_clk_unipro")) { + if (!clki->max_freq) + cycles_in_1us = 150; /* default for backwards compatibility */ + else if (is_scale_up) cycles_in_1us = ceil(clki->max_freq, (1000 * 1000)); else cycles_in_1us = ceil(clk_get_rate(clki->clk), (1000 * 1000)); diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index c553decb5461..c8262e2f2917 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -485,6 +485,7 @@ static ssize_t wdm_write static int service_outstanding_interrupt(struct wdm_device *desc) { int rv = 0; + int used;

/* submit read urb only if the device is waiting for it */ if (!desc->resp_count || !--desc->resp_count) @@ -499,7 +500,10 @@ static int service_outstanding_interrupt(struct wdm_device *desc) goto out; }

- set_bit(WDM_RESPONDING, &desc->flags); + used = test_and_set_bit(WDM_RESPONDING, &desc->flags); + if (used) + goto out; + spin_unlock_irq(&desc->iuspin); rv = usb_submit_urb(desc->response, GFP_KERNEL); spin_lock_irq(&desc->iuspin); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 4854d883e601..80145bd4b5c9 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -123,7 +123,6 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem); #define HUB_DEBOUNCE_STEP 25 #define HUB_DEBOUNCE_STABLE 100

-static void hub_release(struct kref *kref); static int usb_reset_and_verify_device(struct usb_device *udev); static int hub_port_disable(struct usb_hub *hub, int port1, int set_state); static bool hub_port_warm_reset_required(struct usb_hub *hub, int port1, @@ -685,14 +684,14 @@ static void kick_hub_wq(struct usb_hub *hub) */ intf = to_usb_interface(hub->intfdev); usb_autopm_get_interface_no_resume(intf); - kref_get(&hub->kref); + hub_get(hub);

if (queue_work(hub_wq, &hub->events)) return;

/* the work has already been scheduled */ usb_autopm_put_interface_async(intf); - kref_put(&hub->kref, hub_release); + hub_put(hub); }

void usb_kick_hub_wq(struct usb_device *hdev) @@ -1060,7 +1059,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) goto init2; goto init3; } - kref_get(&hub->kref); + hub_get(hub);

/* The superspeed hub except for root hub has to use Hub Depth * value as an offset into the route string to locate the bits @@ -1308,7 +1307,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) device_unlock(&hdev->dev); }

- kref_put(&hub->kref, hub_release); + hub_put(hub); }

/* Implement the continuations for the delays above */ @@ -1724,6 +1723,16 @@ static void hub_release(struct kref *kref) kfree(hub); }

+void hub_get(struct usb_hub *hub) +{ + kref_get(&hub->kref); +} + +void hub_put(struct usb_hub *hub) +{ + kref_put(&hub->kref, hub_release); +} + static unsigned highspeed_hubs;

static void hub_disconnect(struct usb_interface *intf) @@ -1772,7 +1781,7 @@ static void hub_disconnect(struct usb_interface *intf)

onboard_hub_destroy_pdevs(&hub->onboard_hub_devs);

- kref_put(&hub->kref, hub_release); + hub_put(hub); }

static bool hub_descriptor_is_sane(struct usb_host_interface *desc) @@ -5894,7 +5903,7 @@ static void hub_event(struct work_struct *work)

/* Balance the stuff in kick_hub_wq() and allow autosuspend */ usb_autopm_put_interface(intf); - kref_put(&hub->kref, hub_release); + hub_put(hub);

kcov_remote_stop(); } diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h index 43ce21c96a51..183b69dc2955 100644 --- a/drivers/usb/core/hub.h +++ b/drivers/usb/core/hub.h @@ -129,6 +129,8 @@ extern void usb_hub_remove_port_device(struct usb_hub *hub, extern int usb_hub_set_port_power(struct usb_device *hdev, struct usb_hub *hub, int port1, bool set); extern struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev); +extern void hub_get(struct usb_hub *hub); +extern void hub_put(struct usb_hub *hub); extern int hub_port_debounce(struct usb_hub *hub, int port1, bool must_be_connected); extern int usb_clear_port_feature(struct usb_device *hdev, diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c index c628c1abc907..a5776531ba4d 100644 --- a/drivers/usb/core/port.c +++ b/drivers/usb/core/port.c @@ -55,11 +55,22 @@ static ssize_t disable_show(struct device *dev, u16 portstatus, unused; bool disabled; int rc; + struct kernfs_node *kn;

+ hub_get(hub); rc = usb_autopm_get_interface(intf); if (rc < 0) - return rc; + goto out_hub_get;

+ /* + * Prevent deadlock if another process is concurrently + * trying to unregister hdev. + */ + kn = sysfs_break_active_protection(&dev->kobj, &attr->attr); + if (!kn) { + rc = -ENODEV; + goto out_autopm; + } usb_lock_device(hdev); if (hub->disconnected) { rc = -ENODEV; @@ -69,9 +80,13 @@ static ssize_t disable_show(struct device *dev, usb_hub_port_status(hub, port1, &portstatus, &unused); disabled = !usb_port_is_power_on(hub, portstatus);

-out_hdev_lock: + out_hdev_lock: usb_unlock_device(hdev); + sysfs_unbreak_active_protection(kn); + out_autopm: usb_autopm_put_interface(intf); + out_hub_get: + hub_put(hub);

if (rc) return rc; @@ -89,15 +104,26 @@ static ssize_t disable_store(struct device *dev, struct device_attribute *attr, int port1 = port_dev->portnum; bool disabled; int rc; + struct kernfs_node *kn;

rc = kstrtobool(buf, &disabled); if (rc) return rc;

+ hub_get(hub); rc = usb_autopm_get_interface(intf); if (rc < 0) - return rc; + goto out_hub_get;

+ /* + * Prevent deadlock if another process is concurrently + * trying to unregister hdev. + */ + kn = sysfs_break_active_protection(&dev->kobj, &attr->attr); + if (!kn) { + rc = -ENODEV; + goto out_autopm; + } usb_lock_device(hdev); if (hub->disconnected) { rc = -ENODEV; @@ -118,9 +144,13 @@ static ssize_t disable_store(struct device *dev, struct device_attribute *attr, if (!rc) rc = count;

-out_hdev_lock: + out_hdev_lock: usb_unlock_device(hdev); + sysfs_unbreak_active_protection(kn); + out_autopm: usb_autopm_put_interface(intf); + out_hub_get: + hub_put(hub);

return rc; } @@ -573,7 +603,7 @@ static int match_location(struct usb_device *peer_hdev, void *p) struct usb_hub *peer_hub = usb_hub_to_struct_hub(peer_hdev); struct usb_device *hdev = to_usb_device(port_dev->dev.parent->parent);

- if (!peer_hub) + if (!peer_hub || port_dev->connect_type == USB_PORT_NOT_USED) return 0;

hcd = bus_to_hcd(hdev->bus); @@ -584,7 +614,8 @@ static int match_location(struct usb_device *peer_hdev, void *p)

for (port1 = 1; port1 <= peer_hdev->maxchild; port1++) { peer = peer_hub->ports[port1 - 1]; - if (peer && peer->location == port_dev->location) { + if (peer && peer->connect_type != USB_PORT_NOT_USED && + peer->location == port_dev->location) { link_peers_report(port_dev, peer); return 1; /* done */ } diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 5d21718afb05..f91f543ec636 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -1168,14 +1168,24 @@ static ssize_t interface_authorized_store(struct device *dev, { struct usb_interface *intf = to_usb_interface(dev); bool val; + struct kernfs_node *kn;

if (kstrtobool(buf, &val) != 0) return -EINVAL;

- if (val) + if (val) { usb_authorize_interface(intf); - else - usb_deauthorize_interface(intf); + } else { + /* + * Prevent deadlock if another process is concurrently + * trying to unregister intf. + */ + kn = sysfs_break_active_protection(&dev->kobj, &attr->attr); + if (kn) { + usb_deauthorize_interface(intf); + sysfs_unbreak_active_protection(kn); + } + }

return count; } diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index c92a1da46a01..a141f83aba0c 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -729,8 +729,14 @@ struct dwc2_dregs_backup { * struct dwc2_hregs_backup - Holds host registers state before * entering partial power down * @hcfg: Backup of HCFG register + * @hflbaddr: Backup of HFLBADDR register * @haintmsk: Backup of HAINTMSK register + * @hcchar: Backup of HCCHAR register + * @hcsplt: Backup of HCSPLT register * @hcintmsk: Backup of HCINTMSK register + * @hctsiz: Backup of HCTSIZ register + * @hdma: Backup of HCDMA register + * @hcdmab: Backup of HCDMAB register * @hprt0: Backup of HPTR0 register * @hfir: Backup of HFIR register * @hptxfsiz: Backup of HPTXFSIZ register @@ -738,8 +744,14 @@ struct dwc2_dregs_backup { */ struct dwc2_hregs_backup { u32 hcfg; + u32 hflbaddr; u32 haintmsk; + u32 hcchar[MAX_EPS_CHANNELS]; + u32 hcsplt[MAX_EPS_CHANNELS]; u32 hcintmsk[MAX_EPS_CHANNELS]; + u32 hctsiz[MAX_EPS_CHANNELS]; + u32 hcidma[MAX_EPS_CHANNELS]; + u32 hcidmab[MAX_EPS_CHANNELS]; u32 hprt0; u32 hfir; u32 hptxfsiz; @@ -1086,6 +1098,7 @@ struct dwc2_hsotg { bool needs_byte_swap;

/* DWC OTG HW Release versions */ +#define DWC2_CORE_REV_4_30a 0x4f54430a #define DWC2_CORE_REV_2_71a 0x4f54271a #define DWC2_CORE_REV_2_72a 0x4f54272a #define DWC2_CORE_REV_2_80a 0x4f54280a @@ -1323,6 +1336,7 @@ int dwc2_backup_global_registers(struct dwc2_hsotg *hsotg); int dwc2_restore_global_registers(struct dwc2_hsotg *hsotg);

void dwc2_enable_acg(struct dwc2_hsotg *hsotg); +void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg, bool remotewakeup);

/* This function should be called on every hardware interrupt. */ irqreturn_t dwc2_handle_common_intr(int irq, void *dev); diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c index 158ede753854..26d752a4c3ca 100644 --- a/drivers/usb/dwc2/core_intr.c +++ b/drivers/usb/dwc2/core_intr.c @@ -297,7 +297,8 @@ static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg)

/* Exit gadget mode clock gating. */ if (hsotg->params.power_down == - DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended) + DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended && + !hsotg->params.no_clock_gating) dwc2_gadget_exit_clock_gating(hsotg, 0); }

@@ -322,10 +323,11 @@ static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg) * @hsotg: Programming view of DWC_otg controller * */ -static void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg) +void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg, bool remotewakeup) { u32 glpmcfg; - u32 i = 0; + u32 pcgctl; + u32 dctl;

if (hsotg->lx_state != DWC2_L1) { dev_err(hsotg->dev, "Core isn't in DWC2_L1 state\n"); @@ -334,37 +336,57 @@ static void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg)

glpmcfg = dwc2_readl(hsotg, GLPMCFG); if (dwc2_is_device_mode(hsotg)) { - dev_dbg(hsotg->dev, "Exit from L1 state\n"); + dev_dbg(hsotg->dev, "Exit from L1 state, remotewakeup=%d\n", remotewakeup); glpmcfg &= ~GLPMCFG_ENBLSLPM; - glpmcfg &= ~GLPMCFG_HIRD_THRES_EN; + glpmcfg &= ~GLPMCFG_HIRD_THRES_MASK; dwc2_writel(hsotg, glpmcfg, GLPMCFG);

- do { - glpmcfg = dwc2_readl(hsotg, GLPMCFG); + pcgctl = dwc2_readl(hsotg, PCGCTL); + pcgctl &= ~PCGCTL_ENBL_SLEEP_GATING; + dwc2_writel(hsotg, pcgctl, PCGCTL);

- if (!(glpmcfg & (GLPMCFG_COREL1RES_MASK | - GLPMCFG_L1RESUMEOK | GLPMCFG_SLPSTS))) - break; + glpmcfg = dwc2_readl(hsotg, GLPMCFG); + if (glpmcfg & GLPMCFG_ENBESL) { + glpmcfg |= GLPMCFG_RSTRSLPSTS; + dwc2_writel(hsotg, glpmcfg, GLPMCFG); + } + + if (remotewakeup) { + if (dwc2_hsotg_wait_bit_set(hsotg, GLPMCFG, GLPMCFG_L1RESUMEOK, 1000)) { + dev_warn(hsotg->dev, "%s: timeout GLPMCFG_L1RESUMEOK\n", __func__); + goto fail; + return; + } + + dctl = dwc2_readl(hsotg, DCTL); + dctl |= DCTL_RMTWKUPSIG; + dwc2_writel(hsotg, dctl, DCTL);

- udelay(1); - } while (++i < 200); + if (dwc2_hsotg_wait_bit_set(hsotg, GINTSTS, GINTSTS_WKUPINT, 1000)) { + dev_warn(hsotg->dev, "%s: timeout GINTSTS_WKUPINT\n", __func__); + goto fail; + return; + } + }

- if (i == 200) { - dev_err(hsotg->dev, "Failed to exit L1 sleep state in 200us.\n"); + glpmcfg = dwc2_readl(hsotg, GLPMCFG); + if (glpmcfg & GLPMCFG_COREL1RES_MASK || glpmcfg & GLPMCFG_SLPSTS || + glpmcfg & GLPMCFG_L1RESUMEOK) { + goto fail; return; } - dwc2_gadget_init_lpm(hsotg); + + /* Inform gadget to exit from L1 */ + call_gadget(hsotg, resume); + /* Change to L0 state */ + hsotg->lx_state = DWC2_L0; + hsotg->bus_suspended = false; +fail: dwc2_gadget_init_lpm(hsotg); } else { /* TODO */ dev_err(hsotg->dev, "Host side LPM is not supported.\n"); return; } - - /* Change to L0 state */ - hsotg->lx_state = DWC2_L0; - - /* Inform gadget to exit from L1 */ - call_gadget(hsotg, resume); }

/* @@ -385,7 +407,7 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s lxstate = %d\n", __func__, hsotg->lx_state);

if (hsotg->lx_state == DWC2_L1) { - dwc2_wakeup_from_lpm_l1(hsotg); + dwc2_wakeup_from_lpm_l1(hsotg, false); return; }

@@ -408,7 +430,8 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg)

/* Exit gadget mode clock gating. */ if (hsotg->params.power_down == - DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended) + DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended && + !hsotg->params.no_clock_gating) dwc2_gadget_exit_clock_gating(hsotg, 0); } else { /* Change to L0 state */ @@ -425,7 +448,8 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg) }

if (hsotg->params.power_down == - DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended) + DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended && + !hsotg->params.no_clock_gating) dwc2_host_exit_clock_gating(hsotg, 1);

/* diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index b517a7216de2..b2f6da5b65cc 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -1415,6 +1415,10 @@ static int dwc2_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req, ep->name, req, req->length, req->buf, req->no_interrupt, req->zero, req->short_not_ok);

+ if (hs->lx_state == DWC2_L1) { + dwc2_wakeup_from_lpm_l1(hs, true); + } + /* Prevent new request submission when controller is suspended */ if (hs->lx_state != DWC2_L0) { dev_dbg(hs->dev, "%s: submit request only in active state\n", @@ -3727,6 +3731,12 @@ static irqreturn_t dwc2_hsotg_irq(int irq, void *pw) if (hsotg->in_ppd && hsotg->lx_state == DWC2_L2) dwc2_exit_partial_power_down(hsotg, 0, true);

+ /* Exit gadget mode clock gating. */ + if (hsotg->params.power_down == + DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended && + !hsotg->params.no_clock_gating) + dwc2_gadget_exit_clock_gating(hsotg, 0); + hsotg->lx_state = DWC2_L0; }

diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 35c7a4df8e71..dd5b1c5691e1 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -2701,8 +2701,11 @@ enum dwc2_transaction_type dwc2_hcd_select_transactions( hsotg->available_host_channels--; } qh = list_entry(qh_ptr, struct dwc2_qh, qh_list_entry); - if (dwc2_assign_and_init_hc(hsotg, qh)) + if (dwc2_assign_and_init_hc(hsotg, qh)) { + if (hsotg->params.uframe_sched) + hsotg->available_host_channels++; break; + }

/* * Move the QH from the periodic ready schedule to the @@ -2735,8 +2738,11 @@ enum dwc2_transaction_type dwc2_hcd_select_transactions( hsotg->available_host_channels--; }

- if (dwc2_assign_and_init_hc(hsotg, qh)) + if (dwc2_assign_and_init_hc(hsotg, qh)) { + if (hsotg->params.uframe_sched) + hsotg->available_host_channels++; break; + }

/* * Move the QH from the non-periodic inactive schedule to the @@ -4143,6 +4149,8 @@ void dwc2_host_complete(struct dwc2_hsotg *hsotg, struct dwc2_qtd *qtd, urb->actual_length);

if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) { + if (!hsotg->params.dma_desc_enable) + urb->start_frame = qtd->qh->start_active_frame; urb->error_count = dwc2_hcd_urb_get_error_count(qtd->urb); for (i = 0; i < urb->number_of_packets; ++i) { urb->iso_frame_desc[i].actual_length = @@ -4649,7 +4657,7 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, }

if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_NONE && - hsotg->bus_suspended) { + hsotg->bus_suspended && !hsotg->params.no_clock_gating) { if (dwc2_is_device_mode(hsotg)) dwc2_gadget_exit_clock_gating(hsotg, 0); else @@ -5406,9 +5414,16 @@ int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg) /* Backup Host regs */ hr = &hsotg->hr_backup; hr->hcfg = dwc2_readl(hsotg, HCFG); + hr->hflbaddr = dwc2_readl(hsotg, HFLBADDR); hr->haintmsk = dwc2_readl(hsotg, HAINTMSK); - for (i = 0; i < hsotg->params.host_channels; ++i) + for (i = 0; i < hsotg->params.host_channels; ++i) { + hr->hcchar[i] = dwc2_readl(hsotg, HCCHAR(i)); + hr->hcsplt[i] = dwc2_readl(hsotg, HCSPLT(i)); hr->hcintmsk[i] = dwc2_readl(hsotg, HCINTMSK(i)); + hr->hctsiz[i] = dwc2_readl(hsotg, HCTSIZ(i)); + hr->hcidma[i] = dwc2_readl(hsotg, HCDMA(i)); + hr->hcidmab[i] = dwc2_readl(hsotg, HCDMAB(i)); + }

hr->hprt0 = dwc2_read_hprt0(hsotg); hr->hfir = dwc2_readl(hsotg, HFIR); @@ -5442,10 +5457,17 @@ int dwc2_restore_host_registers(struct dwc2_hsotg *hsotg) hr->valid = false;

dwc2_writel(hsotg, hr->hcfg, HCFG); + dwc2_writel(hsotg, hr->hflbaddr, HFLBADDR); dwc2_writel(hsotg, hr->haintmsk, HAINTMSK);

- for (i = 0; i < hsotg->params.host_channels; ++i) + for (i = 0; i < hsotg->params.host_channels; ++i) { + dwc2_writel(hsotg, hr->hcchar[i], HCCHAR(i)); + dwc2_writel(hsotg, hr->hcsplt[i], HCSPLT(i)); dwc2_writel(hsotg, hr->hcintmsk[i], HCINTMSK(i)); + dwc2_writel(hsotg, hr->hctsiz[i], HCTSIZ(i)); + dwc2_writel(hsotg, hr->hcidma[i], HCDMA(i)); + dwc2_writel(hsotg, hr->hcidmab[i], HCDMAB(i)); + }

dwc2_writel(hsotg, hr->hprt0, HPRT0); dwc2_writel(hsotg, hr->hfir, HFIR); @@ -5610,10 +5632,12 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup, dwc2_writel(hsotg, hr->hcfg, HCFG);

/* De-assert Wakeup Logic */ - gpwrdn = dwc2_readl(hsotg, GPWRDN); - gpwrdn &= ~GPWRDN_PMUACTV; - dwc2_writel(hsotg, gpwrdn, GPWRDN); - udelay(10); + if (!(rem_wakeup && hsotg->hw_params.snpsid >= DWC2_CORE_REV_4_30a)) { + gpwrdn = dwc2_readl(hsotg, GPWRDN); + gpwrdn &= ~GPWRDN_PMUACTV; + dwc2_writel(hsotg, gpwrdn, GPWRDN); + udelay(10); + }

hprt0 = hr->hprt0; hprt0 |= HPRT0_PWR; @@ -5638,6 +5662,13 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup, hprt0 |= HPRT0_RES; dwc2_writel(hsotg, hprt0, HPRT0);

+ /* De-assert Wakeup Logic */ + if ((rem_wakeup && hsotg->hw_params.snpsid >= DWC2_CORE_REV_4_30a)) { + gpwrdn = dwc2_readl(hsotg, GPWRDN); + gpwrdn &= ~GPWRDN_PMUACTV; + dwc2_writel(hsotg, gpwrdn, GPWRDN); + udelay(10); + } /* Wait for Resume time and then program HPRT again */ mdelay(100); hprt0 &= ~HPRT0_RES; diff --git a/drivers/usb/dwc2/hcd_ddma.c b/drivers/usb/dwc2/hcd_ddma.c index 6b4d825e97a2..79582b102c7e 100644 --- a/drivers/usb/dwc2/hcd_ddma.c +++ b/drivers/usb/dwc2/hcd_ddma.c @@ -559,7 +559,7 @@ static void dwc2_init_isoc_dma_desc(struct dwc2_hsotg *hsotg, idx = qh->td_last; inc = qh->host_interval; hsotg->frame_number = dwc2_hcd_get_frame_number(hsotg); - cur_idx = dwc2_frame_list_idx(hsotg->frame_number); + cur_idx = idx; next_idx = dwc2_desclist_idx_inc(qh->td_last, inc, qh->dev_speed);

/* @@ -866,6 +866,8 @@ static int dwc2_cmpl_host_isoc_dma_desc(struct dwc2_hsotg *hsotg, { struct dwc2_dma_desc *dma_desc; struct dwc2_hcd_iso_packet_desc *frame_desc; + u16 frame_desc_idx; + struct urb *usb_urb = qtd->urb->priv; u16 remain = 0; int rc = 0;

@@ -878,8 +880,11 @@ static int dwc2_cmpl_host_isoc_dma_desc(struct dwc2_hsotg *hsotg, DMA_FROM_DEVICE);

dma_desc = &qh->desc_list[idx]; + frame_desc_idx = (idx - qtd->isoc_td_first) & (usb_urb->number_of_packets - 1);

- frame_desc = &qtd->urb->iso_descs[qtd->isoc_frame_index_last]; + frame_desc = &qtd->urb->iso_descs[frame_desc_idx]; + if (idx == qtd->isoc_td_first) + usb_urb->start_frame = dwc2_hcd_get_frame_number(hsotg); dma_desc->buf = (u32)(qtd->urb->dma + frame_desc->offset); if (chan->ep_is_in) remain = (dma_desc->status & HOST_DMA_ISOC_NBYTES_MASK) >> @@ -900,7 +905,7 @@ static int dwc2_cmpl_host_isoc_dma_desc(struct dwc2_hsotg *hsotg, frame_desc->status = 0; }

- if (++qtd->isoc_frame_index == qtd->urb->packet_count) { + if (++qtd->isoc_frame_index == usb_urb->number_of_packets) { /* * urb->status is not used for isoc transfers here. The * individual frame_desc status are used instead. @@ -1005,11 +1010,11 @@ static void dwc2_complete_isoc_xfer_ddma(struct dwc2_hsotg *hsotg, return; idx = dwc2_desclist_idx_inc(idx, qh->host_interval, chan->speed); - if (!rc) + if (rc == 0) continue;

- if (rc == DWC2_CMPL_DONE) - break; + if (rc == DWC2_CMPL_DONE || rc == DWC2_CMPL_STOP) + goto stop_scan;

/* rc == DWC2_CMPL_STOP */

diff --git a/drivers/usb/dwc2/hw.h b/drivers/usb/dwc2/hw.h index 13abdd5f6752..12f8c7f86dc9 100644 --- a/drivers/usb/dwc2/hw.h +++ b/drivers/usb/dwc2/hw.h @@ -698,7 +698,7 @@ #define TXSTS_QTOP_TOKEN_MASK (0x3 << 25) #define TXSTS_QTOP_TOKEN_SHIFT 25 #define TXSTS_QTOP_TERMINATE BIT(24) -#define TXSTS_QSPCAVAIL_MASK (0xff << 16) +#define TXSTS_QSPCAVAIL_MASK (0x7f << 16) #define TXSTS_QSPCAVAIL_SHIFT 16 #define TXSTS_FSPCAVAIL_MASK (0xffff << 0) #define TXSTS_FSPCAVAIL_SHIFT 0 diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index b1d48019e944..7b84416dfc2b 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -331,7 +331,7 @@ static void dwc2_driver_remove(struct platform_device *dev)

/* Exit clock gating when driver is removed. */ if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_NONE && - hsotg->bus_suspended) { + hsotg->bus_suspended && !hsotg->params.no_clock_gating) { if (dwc2_is_device_mode(hsotg)) dwc2_gadget_exit_clock_gating(hsotg, 0); else diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index f50b5575d588..8de1ab851793 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1507,6 +1507,8 @@ static void dwc3_get_properties(struct dwc3 *dwc) else dwc->sysdev = dwc->dev;

+ dwc->sys_wakeup = device_may_wakeup(dwc->sysdev); + ret = device_property_read_string(dev, "usb-psy-name", &usb_psy_name); if (ret >= 0) { dwc->usb_psy = power_supply_get_by_name(usb_psy_name); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index efe6caf4d0e8..80265ef608aa 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1127,6 +1127,7 @@ struct dwc3_scratchpad_array { * 3 - Reserved * @dis_metastability_quirk: set to disable metastability quirk. * @dis_split_quirk: set to disable split boundary. + * @sys_wakeup: set if the device may do system wakeup. * @wakeup_configured: set if the device is configured for remote wakeup. * @suspended: set to track suspend event due to U3/L2. * @imod_interval: set the interrupt moderation interval in 250ns @@ -1350,6 +1351,7 @@ struct dwc3 {

unsigned dis_split_quirk:1; unsigned async_callbacks:1; + unsigned sys_wakeup:1; unsigned wakeup_configured:1; unsigned suspended:1;

diff --git a/drivers/usb/dwc3/dwc3-am62.c b/drivers/usb/dwc3/dwc3-am62.c index 90a587bc29b7..ea6e29091c0c 100644 --- a/drivers/usb/dwc3/dwc3-am62.c +++ b/drivers/usb/dwc3/dwc3-am62.c @@ -267,21 +267,15 @@ static int dwc3_ti_probe(struct platform_device *pdev) return ret; }

-static int dwc3_ti_remove_core(struct device *dev, void *c) -{ - struct platform_device *pdev = to_platform_device(dev); - - platform_device_unregister(pdev); - return 0; -} - static void dwc3_ti_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct dwc3_am62 *am62 = platform_get_drvdata(pdev); u32 reg;

- device_for_each_child(dev, NULL, dwc3_ti_remove_core); + pm_runtime_get_sync(dev); + device_init_wakeup(dev, false); + of_platform_depopulate(dev);

/* Clear mode valid bit */ reg = dwc3_ti_readl(am62, USBSS_MODE_CONTROL); @@ -289,7 +283,6 @@ static void dwc3_ti_remove(struct platform_device *pdev) dwc3_ti_writel(am62, USBSS_MODE_CONTROL, reg);

pm_runtime_put_sync(dev); - clk_disable_unprepare(am62->usb2_refclk); pm_runtime_disable(dev); pm_runtime_set_suspended(dev); } diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 39564e17f3b0..497deed38c0c 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -51,7 +51,6 @@ #define PCI_DEVICE_ID_INTEL_MTLP 0x7ec1 #define PCI_DEVICE_ID_INTEL_MTLS 0x7f6f #define PCI_DEVICE_ID_INTEL_MTL 0x7e7e -#define PCI_DEVICE_ID_INTEL_ARLH 0x7ec1 #define PCI_DEVICE_ID_INTEL_ARLH_PCH 0x777e #define PCI_DEVICE_ID_INTEL_TGL 0x9a15 #define PCI_DEVICE_ID_AMD_MR 0x163a @@ -423,7 +422,6 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_DEVICE_DATA(INTEL, MTLP, &dwc3_pci_intel_swnode) }, { PCI_DEVICE_DATA(INTEL, MTL, &dwc3_pci_intel_swnode) }, { PCI_DEVICE_DATA(INTEL, MTLS, &dwc3_pci_intel_swnode) }, - { PCI_DEVICE_DATA(INTEL, ARLH, &dwc3_pci_intel_swnode) }, { PCI_DEVICE_DATA(INTEL, ARLH_PCH, &dwc3_pci_intel_swnode) }, { PCI_DEVICE_DATA(INTEL, TGL, &dwc3_pci_intel_swnode) },

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 28f49400f3e8..07820b1a88a2 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2968,6 +2968,9 @@ static int dwc3_gadget_start(struct usb_gadget *g, dwc->gadget_driver = driver; spin_unlock_irqrestore(&dwc->lock, flags);

+ if (dwc->sys_wakeup) + device_wakeup_enable(dwc->sysdev); + return 0; }

@@ -2983,6 +2986,9 @@ static int dwc3_gadget_stop(struct usb_gadget *g) struct dwc3 *dwc = gadget_to_dwc(g); unsigned long flags;

+ if (dwc->sys_wakeup) + device_wakeup_disable(dwc->sysdev); + spin_lock_irqsave(&dwc->lock, flags); dwc->gadget_driver = NULL; dwc->max_cfg_eps = 0; @@ -4664,6 +4670,10 @@ int dwc3_gadget_init(struct dwc3 *dwc) else dwc3_gadget_set_speed(dwc->gadget, dwc->maximum_speed);

+ /* No system wakeup if no gadget driver bound */ + if (dwc->sys_wakeup) + device_wakeup_disable(dwc->sysdev); + return 0;

err5: diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index 43230915323c..f6a020d77fa1 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -123,6 +123,14 @@ int dwc3_host_init(struct dwc3 *dwc) goto err; }

+ if (dwc->sys_wakeup) { + /* Restore wakeup setting if switched from device */ + device_wakeup_enable(dwc->sysdev); + + /* Pass on wakeup setting to the new xhci platform device */ + device_init_wakeup(&xhci->dev, true); + } + return 0; err: platform_device_put(xhci); @@ -131,6 +139,9 @@ int dwc3_host_init(struct dwc3 *dwc)

void dwc3_host_exit(struct dwc3 *dwc) { + if (dwc->sys_wakeup) + device_init_wakeup(&dwc->xhci->dev, false); + platform_device_unregister(dwc->xhci); dwc->xhci = NULL; } diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index efe3e3b85769..fdd0fc7b8f25 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -831,7 +831,7 @@ static void ffs_user_copy_worker(struct work_struct *work) io_data->kiocb->ki_complete(io_data->kiocb, ret);

if (io_data->ffs->ffs_eventfd && !kiocb_has_eventfd) - eventfd_signal(io_data->ffs->ffs_eventfd, 1); + eventfd_signal(io_data->ffs->ffs_eventfd);

if (io_data->read) kfree(io_data->to_free); @@ -2738,7 +2738,7 @@ static void __ffs_event_add(struct ffs_data *ffs, ffs->ev.types[ffs->ev.count++] = type; wake_up_locked(&ffs->ev.waitq); if (ffs->ffs_eventfd) - eventfd_signal(ffs->ffs_eventfd, 1); + eventfd_signal(ffs->ffs_eventfd); }

static void ffs_event_add(struct ffs_data *ffs, diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index 5712883a7527..f3456b8bf415 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -1333,7 +1333,7 @@ static int ncm_unwrap_ntb(struct gether *port, if (to_process == 1 && (*(unsigned char *)(ntb_ptr + block_len) == 0x00)) { to_process--; - } else if (to_process > 0) { + } else if ((to_process > 0) && (block_len != 0)) { ntb_ptr = (unsigned char *)(ntb_ptr + block_len); goto parse_ntb; } diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index d59f94464b87..8ac29f7230fc 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -292,7 +292,9 @@ int usb_ep_queue(struct usb_ep *ep, { int ret = 0;

- if (WARN_ON_ONCE(!ep->enabled && ep->address)) { + if (!ep->enabled && ep->address) { + pr_debug("USB gadget: queue request to disabled ep 0x%x (%s)\n", + ep->address, ep->name); ret = -ESHUTDOWN; goto out; } diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c index cb85168fd00c..7aa46d426f31 100644 --- a/drivers/usb/gadget/udc/tegra-xudc.c +++ b/drivers/usb/gadget/udc/tegra-xudc.c @@ -3491,8 +3491,8 @@ static void tegra_xudc_device_params_init(struct tegra_xudc *xudc)

static int tegra_xudc_phy_get(struct tegra_xudc *xudc) { - int err = 0, usb3; - unsigned int i; + int err = 0, usb3_companion_port; + unsigned int i, j;

xudc->utmi_phy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, sizeof(*xudc->utmi_phy), GFP_KERNEL); @@ -3520,7 +3520,7 @@ static int tegra_xudc_phy_get(struct tegra_xudc *xudc) if (IS_ERR(xudc->utmi_phy[i])) { err = PTR_ERR(xudc->utmi_phy[i]); dev_err_probe(xudc->dev, err, - "failed to get usb2-%d PHY\n", i); + "failed to get PHY for phy-name usb2-%d\n", i); goto clean_up; } else if (xudc->utmi_phy[i]) { /* Get usb-phy, if utmi phy is available */ @@ -3539,19 +3539,30 @@ static int tegra_xudc_phy_get(struct tegra_xudc *xudc) }

/* Get USB3 phy */ - usb3 = tegra_xusb_padctl_get_usb3_companion(xudc->padctl, i); - if (usb3 < 0) + usb3_companion_port = tegra_xusb_padctl_get_usb3_companion(xudc->padctl, i); + if (usb3_companion_port < 0) continue;

- snprintf(phy_name, sizeof(phy_name), "usb3-%d", usb3); - xudc->usb3_phy[i] = devm_phy_optional_get(xudc->dev, phy_name); - if (IS_ERR(xudc->usb3_phy[i])) { - err = PTR_ERR(xudc->usb3_phy[i]); - dev_err_probe(xudc->dev, err, - "failed to get usb3-%d PHY\n", usb3); - goto clean_up; - } else if (xudc->usb3_phy[i]) - dev_dbg(xudc->dev, "usb3-%d PHY registered", usb3); + for (j = 0; j < xudc->soc->num_phys; j++) { + snprintf(phy_name, sizeof(phy_name), "usb3-%d", j); + xudc->usb3_phy[i] = devm_phy_optional_get(xudc->dev, phy_name); + if (IS_ERR(xudc->usb3_phy[i])) { + err = PTR_ERR(xudc->usb3_phy[i]); + dev_err_probe(xudc->dev, err, + "failed to get PHY for phy-name usb3-%d\n", j); + goto clean_up; + } else if (xudc->usb3_phy[i]) { + int usb2_port = + tegra_xusb_padctl_get_port_number(xudc->utmi_phy[i]); + int usb3_port = + tegra_xusb_padctl_get_port_number(xudc->usb3_phy[i]); + if (usb3_port == usb3_companion_port) { + dev_dbg(xudc->dev, "USB2 port %d is paired with USB3 port %d for device mode port %d\n", + usb2_port, usb3_port, i); + break; + } + } + } }

return err; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 9673354d70d5..2647245d5b35 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -326,7 +326,13 @@ static unsigned int xhci_ring_expansion_needed(struct xhci_hcd *xhci, struct xhc /* how many trbs will be queued past the enqueue segment? */ trbs_past_seg = enq_used + num_trbs - (TRBS_PER_SEGMENT - 1);

- if (trbs_past_seg <= 0) + /* + * Consider expanding the ring already if num_trbs fills the current + * segment (i.e. trbs_past_seg == 0), not only when num_trbs goes into + * the next segment. Avoids confusing full ring with special empty ring + * case below + */ + if (trbs_past_seg < 0) return 0;

/* Empty ring special case, enqueue stuck on link trb while dequeue advanced */ diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 884b0898d9c9..943b87d15f7b 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1202,6 +1202,8 @@ static int xhci_map_temp_buffer(struct usb_hcd *hcd, struct urb *urb)

temp = kzalloc_node(buf_len, GFP_ATOMIC, dev_to_node(hcd->self.sysdev)); + if (!temp) + return -ENOMEM;

if (usb_urb_dir_out(urb)) sg_pcopy_to_buffer(urb->sg, urb->num_sgs, diff --git a/drivers/usb/misc/usb-ljca.c b/drivers/usb/misc/usb-ljca.c index 35770e608c64..2d30fc1be306 100644 --- a/drivers/usb/misc/usb-ljca.c +++ b/drivers/usb/misc/usb-ljca.c @@ -518,8 +518,10 @@ static int ljca_new_client_device(struct ljca_adapter *adap, u8 type, u8 id, int ret;

client = kzalloc(sizeof *client, GFP_KERNEL); - if (!client) + if (!client) { + kfree(data); return -ENOMEM; + }

client->type = type; client->id = id; @@ -535,8 +537,10 @@ static int ljca_new_client_device(struct ljca_adapter *adap, u8 type, u8 id, auxdev->dev.release = ljca_auxdev_release;

ret = auxiliary_device_init(auxdev); - if (ret) + if (ret) { + kfree(data); goto err_free; + }

ljca_auxdev_acpi_bind(adap, auxdev, adr, id);

@@ -590,12 +594,8 @@ static int ljca_enumerate_gpio(struct ljca_adapter *adap) valid_pin[i] = get_unaligned_le32(&desc->bank_desc[i].valid_pins); bitmap_from_arr32(gpio_info->valid_pin_map, valid_pin, gpio_num);

- ret = ljca_new_client_device(adap, LJCA_CLIENT_GPIO, 0, "ljca-gpio", + return ljca_new_client_device(adap, LJCA_CLIENT_GPIO, 0, "ljca-gpio", gpio_info, LJCA_GPIO_ACPI_ADR); - if (ret) - kfree(gpio_info); - - return ret; }

static int ljca_enumerate_i2c(struct ljca_adapter *adap) @@ -629,10 +629,8 @@ static int ljca_enumerate_i2c(struct ljca_adapter *adap) ret = ljca_new_client_device(adap, LJCA_CLIENT_I2C, i, "ljca-i2c", i2c_info, LJCA_I2C1_ACPI_ADR + i); - if (ret) { - kfree(i2c_info); + if (ret) return ret; - } }

return 0; @@ -669,10 +667,8 @@ static int ljca_enumerate_spi(struct ljca_adapter *adap) ret = ljca_new_client_device(adap, LJCA_CLIENT_SPI, i, "ljca-spi", spi_info, LJCA_SPI1_ACPI_ADR + i); - if (ret) { - kfree(spi_info); + if (ret) return ret; - } }

return 0; diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c index b855d291dfe6..770081b828a4 100644 --- a/drivers/usb/phy/phy-generic.c +++ b/drivers/usb/phy/phy-generic.c @@ -268,13 +268,6 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop) return dev_err_probe(dev, PTR_ERR(nop->vbus_draw), "could not get vbus regulator\n");

- nop->vbus_draw = devm_regulator_get_exclusive(dev, "vbus"); - if (PTR_ERR(nop->vbus_draw) == -ENODEV) - nop->vbus_draw = NULL; - if (IS_ERR(nop->vbus_draw)) - return dev_err_probe(dev, PTR_ERR(nop->vbus_draw), - "could not get vbus regulator\n"); - nop->dev = dev; nop->phy.dev = nop->dev; nop->phy.label = "nop-xceiv"; diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 923e0ed85444..21fd26609252 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -56,6 +56,8 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x0471, 0x066A) }, /* AKTAKOM ACE-1001 cable */ { USB_DEVICE(0x0489, 0xE000) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */ { USB_DEVICE(0x0489, 0xE003) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */ + { USB_DEVICE(0x04BF, 0x1301) }, /* TDK Corporation NC0110013M - Network Controller */ + { USB_DEVICE(0x04BF, 0x1303) }, /* TDK Corporation MM0110113M - i3 Micro Module */ { USB_DEVICE(0x0745, 0x1000) }, /* CipherLab USB CCD Barcode Scanner 1000 */ { USB_DEVICE(0x0846, 0x1100) }, /* NetGear Managed Switch M4100 series, M5300 series, M7100 series */ { USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */ @@ -144,6 +146,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */ { USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */ { USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */ + { USB_DEVICE(0x10C4, 0x863C) }, /* MGP Instruments PDS100 */ { USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */ { USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */ { USB_DEVICE(0x10C4, 0x87ED) }, /* IMST USB-Stick for Smart Meter */ @@ -177,6 +180,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0xF004) }, /* Elan Digital Systems USBcount50 */ { USB_DEVICE(0x10C5, 0xEA61) }, /* Silicon Labs MobiData GPRS USB Modem */ { USB_DEVICE(0x10CE, 0xEA6A) }, /* Silicon Labs MobiData GPRS USB Modem 100EU */ + { USB_DEVICE(0x11CA, 0x0212) }, /* Verifone USB to Printer (UART, CP2102) */ { USB_DEVICE(0x12B8, 0xEC60) }, /* Link G4 ECU */ { USB_DEVICE(0x12B8, 0xEC62) }, /* Link G4+ ECU */ { USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */ diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 13a56783830d..22d01a0f10fb 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1077,6 +1077,8 @@ static const struct usb_device_id id_table_combined[] = { .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + /* GMC devices */ + { USB_DEVICE(GMC_VID, GMC_Z216C_PID) }, { } /* Terminating entry */ };

diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 21a2b5a25fc0..5ee60ba2a73c 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -1606,3 +1606,9 @@ #define UBLOX_VID 0x1546 #define UBLOX_C099F9P_ZED_PID 0x0502 #define UBLOX_C099F9P_ODIN_PID 0x0503 + +/* + * GMC devices + */ +#define GMC_VID 0x1cd7 +#define GMC_Z216C_PID 0x0217 /* GMC Z216C Adapter IR-USB */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 2ae124c49d44..55a65d941ccb 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -613,6 +613,11 @@ static void option_instat_callback(struct urb *urb); /* Luat Air72*U series based on UNISOC UIS8910 uses UNISOC's vendor ID */ #define LUAT_PRODUCT_AIR720U 0x4e00

+/* MeiG Smart Technology products */ +#define MEIGSMART_VENDOR_ID 0x2dee +/* MeiG Smart SLM320 based on UNISOC UIS8910 */ +#define MEIGSMART_PRODUCT_SLM320 0x4d41 + /* Device flags */

/* Highest interface number which can be used with NCTRL() and RSVD() */ @@ -2282,6 +2287,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, LUAT_PRODUCT_AIR720U, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM320, 0xff, 0, 0) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c index 4e0eef1440b7..300aeef160e7 100644 --- a/drivers/usb/storage/isd200.c +++ b/drivers/usb/storage/isd200.c @@ -1105,7 +1105,7 @@ static void isd200_dump_driveid(struct us_data *us, u16 *id) static int isd200_get_inquiry_data( struct us_data *us ) { struct isd200_info *info = (struct isd200_info *)us->extra; - int retStatus = ISD200_GOOD; + int retStatus; u16 *id = info->id;

usb_stor_dbg(us, "Entering isd200_get_inquiry_data\n"); @@ -1137,6 +1137,13 @@ static int isd200_get_inquiry_data( struct us_data *us ) isd200_fix_driveid(id); isd200_dump_driveid(us, id);

+ /* Prevent division by 0 in isd200_scsi_to_ata() */ + if (id[ATA_ID_HEADS] == 0 || id[ATA_ID_SECTORS] == 0) { + usb_stor_dbg(us, " Invalid ATA Identify data\n"); + retStatus = ISD200_ERROR; + goto Done; + } + memset(&info->InquiryData, 0, sizeof(info->InquiryData));

/* Standard IDE interface only supports disks */ @@ -1202,6 +1209,7 @@ static int isd200_get_inquiry_data( struct us_data *us ) } }

+ Done: usb_stor_dbg(us, "Leaving isd200_get_inquiry_data %08X\n", retStatus);

return(retStatus); @@ -1481,22 +1489,27 @@ static int isd200_init_info(struct us_data *us)

static int isd200_Initialization(struct us_data *us) { + int rc = 0; + usb_stor_dbg(us, "ISD200 Initialization...\n");

/* Initialize ISD200 info struct */

- if (isd200_init_info(us) == ISD200_ERROR) { + if (isd200_init_info(us) < 0) { usb_stor_dbg(us, "ERROR Initializing ISD200 Info struct\n"); + rc = -ENOMEM; } else { /* Get device specific data */

- if (isd200_get_inquiry_data(us) != ISD200_GOOD) + if (isd200_get_inquiry_data(us) != ISD200_GOOD) { usb_stor_dbg(us, "ISD200 Initialization Failure\n"); - else + rc = -EINVAL; + } else { usb_stor_dbg(us, "ISD200 Initialization complete\n"); + } }

- return 0; + return rc; }

diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 299a6767b7b3..d002eead62b4 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -533,7 +533,7 @@ static struct urb *uas_alloc_cmd_urb(struct uas_dev_info *devinfo, gfp_t gfp, * daft to me. */

-static struct urb *uas_submit_sense_urb(struct scsi_cmnd *cmnd, gfp_t gfp) +static int uas_submit_sense_urb(struct scsi_cmnd *cmnd, gfp_t gfp) { struct uas_dev_info *devinfo = cmnd->device->hostdata; struct urb *urb; @@ -541,30 +541,28 @@ static struct urb *uas_submit_sense_urb(struct scsi_cmnd *cmnd, gfp_t gfp)

urb = uas_alloc_sense_urb(devinfo, gfp, cmnd); if (!urb) - return NULL; + return -ENOMEM; usb_anchor_urb(urb, &devinfo->sense_urbs); err = usb_submit_urb(urb, gfp); if (err) { usb_unanchor_urb(urb); uas_log_cmd_state(cmnd, "sense submit err", err); usb_free_urb(urb); - return NULL; } - return urb; + return err; }

static int uas_submit_urbs(struct scsi_cmnd *cmnd, struct uas_dev_info *devinfo) { struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd); - struct urb *urb; int err;

lockdep_assert_held(&devinfo->lock); if (cmdinfo->state & SUBMIT_STATUS_URB) { - urb = uas_submit_sense_urb(cmnd, GFP_ATOMIC); - if (!urb) - return SCSI_MLQUEUE_DEVICE_BUSY; + err = uas_submit_sense_urb(cmnd, GFP_ATOMIC); + if (err) + return err; cmdinfo->state &= ~SUBMIT_STATUS_URB; }

@@ -572,7 +570,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, cmdinfo->data_in_urb = uas_alloc_data_urb(devinfo, GFP_ATOMIC, cmnd, DMA_FROM_DEVICE); if (!cmdinfo->data_in_urb) - return SCSI_MLQUEUE_DEVICE_BUSY; + return -ENOMEM; cmdinfo->state &= ~ALLOC_DATA_IN_URB; }

@@ -582,7 +580,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, if (err) { usb_unanchor_urb(cmdinfo->data_in_urb); uas_log_cmd_state(cmnd, "data in submit err", err); - return SCSI_MLQUEUE_DEVICE_BUSY; + return err; } cmdinfo->state &= ~SUBMIT_DATA_IN_URB; cmdinfo->state |= DATA_IN_URB_INFLIGHT; @@ -592,7 +590,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, cmdinfo->data_out_urb = uas_alloc_data_urb(devinfo, GFP_ATOMIC, cmnd, DMA_TO_DEVICE); if (!cmdinfo->data_out_urb) - return SCSI_MLQUEUE_DEVICE_BUSY; + return -ENOMEM; cmdinfo->state &= ~ALLOC_DATA_OUT_URB; }

@@ -602,7 +600,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, if (err) { usb_unanchor_urb(cmdinfo->data_out_urb); uas_log_cmd_state(cmnd, "data out submit err", err); - return SCSI_MLQUEUE_DEVICE_BUSY; + return err; } cmdinfo->state &= ~SUBMIT_DATA_OUT_URB; cmdinfo->state |= DATA_OUT_URB_INFLIGHT; @@ -611,7 +609,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, if (cmdinfo->state & ALLOC_CMD_URB) { cmdinfo->cmd_urb = uas_alloc_cmd_urb(devinfo, GFP_ATOMIC, cmnd); if (!cmdinfo->cmd_urb) - return SCSI_MLQUEUE_DEVICE_BUSY; + return -ENOMEM; cmdinfo->state &= ~ALLOC_CMD_URB; }

@@ -621,7 +619,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, if (err) { usb_unanchor_urb(cmdinfo->cmd_urb); uas_log_cmd_state(cmnd, "cmd submit err", err); - return SCSI_MLQUEUE_DEVICE_BUSY; + return err; } cmdinfo->cmd_urb = NULL; cmdinfo->state &= ~SUBMIT_CMD_URB; @@ -698,7 +696,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd) * of queueing, no matter how fatal the error */ if (err == -ENODEV) { - set_host_byte(cmnd, DID_ERROR); + set_host_byte(cmnd, DID_NO_CONNECT); scsi_done(cmnd); goto zombie; } diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c index f81bec0c7b86..f8ea3054be54 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -559,16 +559,21 @@ static ssize_t hpd_show(struct device *dev, struct device_attribute *attr, char } static DEVICE_ATTR_RO(hpd);

-static struct attribute *dp_altmode_attrs[] = { +static struct attribute *displayport_attrs[] = { &dev_attr_configuration.attr, &dev_attr_pin_assignment.attr, &dev_attr_hpd.attr, NULL };

-static const struct attribute_group dp_altmode_group = { +static const struct attribute_group displayport_group = { .name = "displayport", - .attrs = dp_altmode_attrs, + .attrs = displayport_attrs, +}; + +static const struct attribute_group *displayport_groups[] = { + &displayport_group, + NULL, };

int dp_altmode_probe(struct typec_altmode *alt) @@ -576,7 +581,6 @@ int dp_altmode_probe(struct typec_altmode *alt) const struct typec_altmode *port = typec_altmode_get_partner(alt); struct fwnode_handle *fwnode; struct dp_altmode *dp; - int ret;

/* FIXME: Port can only be DFP_U. */

@@ -587,10 +591,6 @@ int dp_altmode_probe(struct typec_altmode *alt) DP_CAP_PIN_ASSIGN_DFP_D(alt->vdo))) return -ENODEV;

- ret = sysfs_create_group(&alt->dev.kobj, &dp_altmode_group); - if (ret) - return ret; - dp = devm_kzalloc(&alt->dev, sizeof(*dp), GFP_KERNEL); if (!dp) return -ENOMEM; @@ -624,7 +624,6 @@ void dp_altmode_remove(struct typec_altmode *alt) { struct dp_altmode *dp = typec_altmode_get_drvdata(alt);

- sysfs_remove_group(&alt->dev.kobj, &dp_altmode_group); cancel_work_sync(&dp->work);

if (dp->connector_fwnode) { @@ -649,6 +648,7 @@ static struct typec_altmode_driver dp_altmode_driver = { .driver = { .name = "typec_displayport", .owner = THIS_MODULE, + .dev_groups = displayport_groups, }, }; module_typec_altmode_driver(dp_altmode_driver); diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 2da19feacd91..2373cd39b484 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -1310,6 +1310,7 @@ static ssize_t select_usb_power_delivery_store(struct device *dev, { struct typec_port *port = to_typec_port(dev); struct usb_power_delivery *pd; + int ret;

if (!port->ops || !port->ops->pd_set) return -EOPNOTSUPP; @@ -1318,7 +1319,11 @@ static ssize_t select_usb_power_delivery_store(struct device *dev, if (!pd) return -EINVAL;

- return port->ops->pd_set(port, pd); + ret = port->ops->pd_set(port, pd); + if (ret) + return ret; + + return size; }

static ssize_t select_usb_power_delivery_show(struct device *dev, diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index a8e03cfde9dd..c5776b3c9677 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -4859,8 +4859,11 @@ static void run_state_machine(struct tcpm_port *port) break; case PORT_RESET: tcpm_reset_port(port); - tcpm_set_cc(port, tcpm_default_state(port) == SNK_UNATTACHED ? - TYPEC_CC_RD : tcpm_rp_cc(port)); + if (port->self_powered) + tcpm_set_cc(port, TYPEC_CC_OPEN); + else + tcpm_set_cc(port, tcpm_default_state(port) == SNK_UNATTACHED ? + TYPEC_CC_RD : tcpm_rp_cc(port)); tcpm_set_state(port, PORT_RESET_WAIT_OFF, PD_T_ERROR_RECOVERY); break; diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index 8f9dff993b3d..70d9f4eebf1a 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -138,8 +138,12 @@ static int ucsi_exec_command(struct ucsi *ucsi, u64 cmd) if (!(cci & UCSI_CCI_COMMAND_COMPLETE)) return -EIO;

- if (cci & UCSI_CCI_NOT_SUPPORTED) + if (cci & UCSI_CCI_NOT_SUPPORTED) { + if (ucsi_acknowledge_command(ucsi) < 0) + dev_err(ucsi->dev, + "ACK of unsupported command failed\n"); return -EOPNOTSUPP; + }

if (cci & UCSI_CCI_ERROR) { if (cmd == UCSI_GET_ERROR_STATUS) @@ -933,11 +937,11 @@ static void ucsi_handle_connector_change(struct work_struct *work) if (con->status.change & UCSI_CONSTAT_CAM_CHANGE) ucsi_partner_task(con, ucsi_check_altmodes, 1, 0);

- clear_bit(EVENT_PENDING, &con->ucsi->flags); - mutex_lock(&ucsi->ppm_lock); + clear_bit(EVENT_PENDING, &con->ucsi->flags); ret = ucsi_acknowledge_connector_change(ucsi); mutex_unlock(&ucsi->ppm_lock); + if (ret) dev_err(ucsi->dev, "%s: ACK failed (%d)", __func__, ret);

@@ -978,13 +982,47 @@ static int ucsi_reset_connector(struct ucsi_connector *con, bool hard)

static int ucsi_reset_ppm(struct ucsi *ucsi) { - u64 command = UCSI_PPM_RESET; + u64 command; unsigned long tmo; u32 cci; int ret;

mutex_lock(&ucsi->ppm_lock);

+ ret = ucsi->ops->read(ucsi, UCSI_CCI, &cci, sizeof(cci)); + if (ret < 0) + goto out; + + /* + * If UCSI_CCI_RESET_COMPLETE is already set we must clear + * the flag before we start another reset. Send a + * UCSI_SET_NOTIFICATION_ENABLE command to achieve this. + * Ignore a timeout and try the reset anyway if this fails. + */ + if (cci & UCSI_CCI_RESET_COMPLETE) { + command = UCSI_SET_NOTIFICATION_ENABLE; + ret = ucsi->ops->async_write(ucsi, UCSI_CONTROL, &command, + sizeof(command)); + if (ret < 0) + goto out; + + tmo = jiffies + msecs_to_jiffies(UCSI_TIMEOUT_MS); + do { + ret = ucsi->ops->read(ucsi, UCSI_CCI, + &cci, sizeof(cci)); + if (ret < 0) + goto out; + if (cci & UCSI_CCI_COMMAND_COMPLETE) + break; + if (time_is_before_jiffies(tmo)) + break; + msleep(20); + } while (1); + + WARN_ON(cci & UCSI_CCI_RESET_COMPLETE); + } + + command = UCSI_PPM_RESET; ret = ucsi->ops->async_write(ucsi, UCSI_CONTROL, &command, sizeof(command)); if (ret < 0) diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h index 474315a72c77..13ec976b1c74 100644 --- a/drivers/usb/typec/ucsi/ucsi.h +++ b/drivers/usb/typec/ucsi/ucsi.h @@ -221,12 +221,12 @@ struct ucsi_cable_property { #define UCSI_CABLE_PROP_FLAG_VBUS_IN_CABLE BIT(0) #define UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE BIT(1) #define UCSI_CABLE_PROP_FLAG_DIRECTIONALITY BIT(2) -#define UCSI_CABLE_PROP_FLAG_PLUG_TYPE(_f_) ((_f_) & GENMASK(3, 0)) +#define UCSI_CABLE_PROP_FLAG_PLUG_TYPE(_f_) (((_f_) & GENMASK(4, 3)) >> 3) #define UCSI_CABLE_PROPERTY_PLUG_TYPE_A 0 #define UCSI_CABLE_PROPERTY_PLUG_TYPE_B 1 #define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2 #define UCSI_CABLE_PROPERTY_PLUG_OTHER 3 -#define UCSI_CABLE_PROP_MODE_SUPPORT BIT(5) +#define UCSI_CABLE_PROP_FLAG_MODE_SUPPORT BIT(5) u8 latency; } __packed;

diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c index 928eacbeb21a..7b3ac133ef86 100644 --- a/drivers/usb/typec/ucsi/ucsi_acpi.c +++ b/drivers/usb/typec/ucsi/ucsi_acpi.c @@ -23,10 +23,11 @@ struct ucsi_acpi { void *base; struct completion complete; unsigned long flags; +#define UCSI_ACPI_SUPPRESS_EVENT 0 +#define UCSI_ACPI_COMMAND_PENDING 1 +#define UCSI_ACPI_ACK_PENDING 2 guid_t guid; u64 cmd; - bool dell_quirk_probed; - bool dell_quirk_active; };

static int ucsi_acpi_dsm(struct ucsi_acpi *ua, int func) @@ -79,9 +80,9 @@ static int ucsi_acpi_sync_write(struct ucsi *ucsi, unsigned int offset, int ret;

if (ack) - set_bit(ACK_PENDING, &ua->flags); + set_bit(UCSI_ACPI_ACK_PENDING, &ua->flags); else - set_bit(COMMAND_PENDING, &ua->flags); + set_bit(UCSI_ACPI_COMMAND_PENDING, &ua->flags);

ret = ucsi_acpi_async_write(ucsi, offset, val, val_len); if (ret) @@ -92,9 +93,9 @@ static int ucsi_acpi_sync_write(struct ucsi *ucsi, unsigned int offset,

out_clear_bit: if (ack) - clear_bit(ACK_PENDING, &ua->flags); + clear_bit(UCSI_ACPI_ACK_PENDING, &ua->flags); else - clear_bit(COMMAND_PENDING, &ua->flags); + clear_bit(UCSI_ACPI_COMMAND_PENDING, &ua->flags);

return ret; } @@ -129,51 +130,40 @@ static const struct ucsi_operations ucsi_zenbook_ops = { };

/* - * Some Dell laptops expect that an ACK command with the - * UCSI_ACK_CONNECTOR_CHANGE bit set is followed by a (separate) - * ACK command that only has the UCSI_ACK_COMMAND_COMPLETE bit set. - * If this is not done events are not delivered to OSPM and - * subsequent commands will timeout. + * Some Dell laptops don't like ACK commands with the + * UCSI_ACK_CONNECTOR_CHANGE but not the UCSI_ACK_COMMAND_COMPLETE + * bit set. To work around this send a dummy command and bundle the + * UCSI_ACK_CONNECTOR_CHANGE with the UCSI_ACK_COMMAND_COMPLETE + * for the dummy command. */ static int ucsi_dell_sync_write(struct ucsi *ucsi, unsigned int offset, const void *val, size_t val_len) { struct ucsi_acpi *ua = ucsi_get_drvdata(ucsi); - u64 cmd = *(u64 *)val, ack = 0; + u64 cmd = *(u64 *)val; + u64 dummycmd = UCSI_GET_CAPABILITY; int ret;

- if (UCSI_COMMAND(cmd) == UCSI_ACK_CC_CI && - cmd & UCSI_ACK_CONNECTOR_CHANGE) - ack = UCSI_ACK_CC_CI | UCSI_ACK_COMMAND_COMPLETE; - - ret = ucsi_acpi_sync_write(ucsi, offset, val, val_len); - if (ret != 0) - return ret; - if (ack == 0) - return ret; - - if (!ua->dell_quirk_probed) { - ua->dell_quirk_probed = true; - - cmd = UCSI_GET_CAPABILITY; - ret = ucsi_acpi_sync_write(ucsi, UCSI_CONTROL, &cmd, - sizeof(cmd)); - if (ret == 0) - return ucsi_acpi_sync_write(ucsi, UCSI_CONTROL, - &ack, sizeof(ack)); - if (ret != -ETIMEDOUT) + if (cmd == (UCSI_ACK_CC_CI | UCSI_ACK_CONNECTOR_CHANGE)) { + cmd |= UCSI_ACK_COMMAND_COMPLETE; + + /* + * The UCSI core thinks it is sending a connector change ack + * and will accept new connector change events. We don't want + * this to happen for the dummy command as its response will + * still report the very event that the core is trying to clear. + */ + set_bit(UCSI_ACPI_SUPPRESS_EVENT, &ua->flags); + ret = ucsi_acpi_sync_write(ucsi, UCSI_CONTROL, &dummycmd, + sizeof(dummycmd)); + clear_bit(UCSI_ACPI_SUPPRESS_EVENT, &ua->flags); + + if (ret < 0) return ret; - - ua->dell_quirk_active = true; - dev_err(ua->dev, "Firmware bug: Additional ACK required after ACKing a connector change.\n"); - dev_err(ua->dev, "Firmware bug: Enabling workaround\n"); }

- if (!ua->dell_quirk_active) - return ret; - - return ucsi_acpi_sync_write(ucsi, UCSI_CONTROL, &ack, sizeof(ack)); + return ucsi_acpi_sync_write(ucsi, UCSI_CONTROL, &cmd, sizeof(cmd)); }

static const struct ucsi_operations ucsi_dell_ops = { @@ -209,13 +199,14 @@ static void ucsi_acpi_notify(acpi_handle handle, u32 event, void *data) if (ret) return;

- if (UCSI_CCI_CONNECTOR(cci)) + if (UCSI_CCI_CONNECTOR(cci) && + !test_bit(UCSI_ACPI_SUPPRESS_EVENT, &ua->flags)) ucsi_connector_change(ua->ucsi, UCSI_CCI_CONNECTOR(cci));

if (cci & UCSI_CCI_ACK_COMPLETE && test_bit(ACK_PENDING, &ua->flags)) complete(&ua->complete); if (cci & UCSI_CCI_COMMAND_COMPLETE && - test_bit(COMMAND_PENDING, &ua->flags)) + test_bit(UCSI_ACPI_COMMAND_PENDING, &ua->flags)) complete(&ua->complete); }

diff --git a/drivers/usb/typec/ucsi/ucsi_glink.c b/drivers/usb/typec/ucsi/ucsi_glink.c index 4853141cd10c..894622b6556a 100644 --- a/drivers/usb/typec/ucsi/ucsi_glink.c +++ b/drivers/usb/typec/ucsi/ucsi_glink.c @@ -254,6 +254,20 @@ static void pmic_glink_ucsi_notify(struct work_struct *work) static void pmic_glink_ucsi_register(struct work_struct *work) { struct pmic_glink_ucsi *ucsi = container_of(work, struct pmic_glink_ucsi, register_work); + int orientation; + int i; + + for (i = 0; i < PMIC_GLINK_MAX_PORTS; i++) { + if (!ucsi->port_orientation[i]) + continue; + orientation = gpiod_get_value(ucsi->port_orientation[i]); + + if (orientation >= 0) { + typec_switch_set(ucsi->port_switch[i], + orientation ? TYPEC_ORIENTATION_REVERSE + : TYPEC_ORIENTATION_NORMAL); + } + }

ucsi_register(ucsi->ucsi); } diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index 0ddd4b8abecb..6cb5ce4a8b9a 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -493,7 +493,7 @@ static void vduse_vq_kick(struct vduse_virtqueue *vq) goto unlock;

if (vq->kickfd) - eventfd_signal(vq->kickfd, 1); + eventfd_signal(vq->kickfd); else vq->kicked = true; unlock: @@ -911,7 +911,7 @@ static int vduse_kickfd_setup(struct vduse_dev *dev, eventfd_ctx_put(vq->kickfd); vq->kickfd = ctx; if (vq->ready && vq->kicked && vq->kickfd) { - eventfd_signal(vq->kickfd, 1); + eventfd_signal(vq->kickfd); vq->kicked = false; } spin_unlock(&vq->kick_lock); @@ -960,7 +960,7 @@ static bool vduse_vq_signal_irqfd(struct vduse_virtqueue *vq)

spin_lock_irq(&vq->irq_lock); if (vq->ready && vq->cb.trigger) { - eventfd_signal(vq->cb.trigger, 1); + eventfd_signal(vq->cb.trigger); signal = true; } spin_unlock_irq(&vq->irq_lock); diff --git a/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c b/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c index c51229fccbd6..82b2afa9b7e3 100644 --- a/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c +++ b/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c @@ -54,7 +54,7 @@ static irqreturn_t vfio_fsl_mc_irq_handler(int irq_num, void *arg) { struct vfio_fsl_mc_irq *mc_irq = (struct vfio_fsl_mc_irq *)arg;

- eventfd_signal(mc_irq->trigger, 1); + eventfd_signal(mc_irq->trigger); return IRQ_HANDLED; }

@@ -141,13 +141,14 @@ static int vfio_fsl_mc_set_irq_trigger(struct vfio_fsl_mc_device *vdev, irq = &vdev->mc_irqs[index];

if (flags & VFIO_IRQ_SET_DATA_NONE) { - vfio_fsl_mc_irq_handler(hwirq, irq); + if (irq->trigger) + eventfd_signal(irq->trigger);

} else if (flags & VFIO_IRQ_SET_DATA_BOOL) { u8 trigger = *(u8 *)data;

- if (trigger) - vfio_fsl_mc_irq_handler(hwirq, irq); + if (trigger && irq->trigger) + eventfd_signal(irq->trigger); }

return 0; diff --git a/drivers/vfio/pci/pds/lm.c b/drivers/vfio/pci/pds/lm.c index 79fe2e66bb49..6b94cc0bf45b 100644 --- a/drivers/vfio/pci/pds/lm.c +++ b/drivers/vfio/pci/pds/lm.c @@ -92,8 +92,10 @@ static void pds_vfio_put_lm_file(struct pds_vfio_lm_file *lm_file) { mutex_lock(&lm_file->lock);

+ lm_file->disabled = true; lm_file->size = 0; lm_file->alloc_size = 0; + lm_file->filep->f_pos = 0;

/* Free scatter list of file pages */ sg_free_table(&lm_file->sg_table); @@ -183,6 +185,12 @@ static ssize_t pds_vfio_save_read(struct file *filp, char __user *buf, pos = &filp->f_pos;

mutex_lock(&lm_file->lock); + + if (lm_file->disabled) { + done = -ENODEV; + goto out_unlock; + } + if (*pos > lm_file->size) { done = -EINVAL; goto out_unlock; @@ -283,6 +291,11 @@ static ssize_t pds_vfio_restore_write(struct file *filp, const char __user *buf,

mutex_lock(&lm_file->lock);

+ if (lm_file->disabled) { + done = -ENODEV; + goto out_unlock; + } + while (len) { size_t page_offset; struct page *page; diff --git a/drivers/vfio/pci/pds/lm.h b/drivers/vfio/pci/pds/lm.h index 13be893198b7..9511b1afc6a1 100644 --- a/drivers/vfio/pci/pds/lm.h +++ b/drivers/vfio/pci/pds/lm.h @@ -27,6 +27,7 @@ struct pds_vfio_lm_file { struct scatterlist *last_offset_sg; /* Iterator */ unsigned int sg_last_entry; unsigned long last_offset; + bool disabled; };

struct pds_vfio_pci_device; diff --git a/drivers/vfio/pci/pds/vfio_dev.c b/drivers/vfio/pci/pds/vfio_dev.c index 4c351c59d05a..a286ebcc7112 100644 --- a/drivers/vfio/pci/pds/vfio_dev.c +++ b/drivers/vfio/pci/pds/vfio_dev.c @@ -32,9 +32,9 @@ void pds_vfio_state_mutex_unlock(struct pds_vfio_pci_device *pds_vfio) mutex_lock(&pds_vfio->reset_mutex); if (pds_vfio->deferred_reset) { pds_vfio->deferred_reset = false; + pds_vfio_put_restore_file(pds_vfio); + pds_vfio_put_save_file(pds_vfio); if (pds_vfio->state == VFIO_DEVICE_STATE_ERROR) { - pds_vfio_put_restore_file(pds_vfio); - pds_vfio_put_save_file(pds_vfio); pds_vfio_dirty_disable(pds_vfio, false); } pds_vfio->state = pds_vfio->deferred_reset_state; diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c index 1929103ee59a..1cbc990d42e0 100644 --- a/drivers/vfio/pci/vfio_pci_core.c +++ b/drivers/vfio/pci/vfio_pci_core.c @@ -443,7 +443,7 @@ static int vfio_pci_core_runtime_resume(struct device *dev) */ down_write(&vdev->memory_lock); if (vdev->pm_wake_eventfd_ctx) { - eventfd_signal(vdev->pm_wake_eventfd_ctx, 1); + eventfd_signal(vdev->pm_wake_eventfd_ctx); __vfio_pci_runtime_pm_exit(vdev); } up_write(&vdev->memory_lock); @@ -1883,7 +1883,7 @@ void vfio_pci_core_request(struct vfio_device *core_vdev, unsigned int count) pci_notice_ratelimited(pdev, "Relaying device request to user (#%u)\n", count); - eventfd_signal(vdev->req_trigger, 1); + eventfd_signal(vdev->req_trigger); } else if (count == 0) { pci_warn(pdev, "No device request channel registered, blocked until released by user\n"); @@ -2302,7 +2302,7 @@ pci_ers_result_t vfio_pci_core_aer_err_detected(struct pci_dev *pdev, mutex_lock(&vdev->igate);

if (vdev->err_trigger) - eventfd_signal(vdev->err_trigger, 1); + eventfd_signal(vdev->err_trigger);

mutex_unlock(&vdev->igate);

diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c index cbb4bcbfbf83..fb5392b749ff 100644 --- a/drivers/vfio/pci/vfio_pci_intrs.c +++ b/drivers/vfio/pci/vfio_pci_intrs.c @@ -90,22 +90,28 @@ static void vfio_send_intx_eventfd(void *opaque, void *unused)

if (likely(is_intx(vdev) && !vdev->virq_disabled)) { struct vfio_pci_irq_ctx *ctx; + struct eventfd_ctx *trigger;

ctx = vfio_irq_ctx_get(vdev, 0); if (WARN_ON_ONCE(!ctx)) return; - eventfd_signal(ctx->trigger, 1); + + trigger = READ_ONCE(ctx->trigger); + if (likely(trigger)) + eventfd_signal(trigger); } }

/* Returns true if the INTx vfio_pci_irq_ctx.masked value is changed. */ -bool vfio_pci_intx_mask(struct vfio_pci_core_device *vdev) +static bool __vfio_pci_intx_mask(struct vfio_pci_core_device *vdev) { struct pci_dev *pdev = vdev->pdev; struct vfio_pci_irq_ctx *ctx; unsigned long flags; bool masked_changed = false;

+ lockdep_assert_held(&vdev->igate); + spin_lock_irqsave(&vdev->irqlock, flags);

/* @@ -143,6 +149,17 @@ bool vfio_pci_intx_mask(struct vfio_pci_core_device *vdev) return masked_changed; }

+bool vfio_pci_intx_mask(struct vfio_pci_core_device *vdev) +{ + bool mask_changed; + + mutex_lock(&vdev->igate); + mask_changed = __vfio_pci_intx_mask(vdev); + mutex_unlock(&vdev->igate); + + return mask_changed; +} + /* * If this is triggered by an eventfd, we can't call eventfd_signal * or else we'll deadlock on the eventfd wait queue. Return >0 when @@ -194,12 +211,21 @@ static int vfio_pci_intx_unmask_handler(void *opaque, void *unused) return ret; }

-void vfio_pci_intx_unmask(struct vfio_pci_core_device *vdev) +static void __vfio_pci_intx_unmask(struct vfio_pci_core_device *vdev) { + lockdep_assert_held(&vdev->igate); + if (vfio_pci_intx_unmask_handler(vdev, NULL) > 0) vfio_send_intx_eventfd(vdev, NULL); }

+void vfio_pci_intx_unmask(struct vfio_pci_core_device *vdev) +{ + mutex_lock(&vdev->igate); + __vfio_pci_intx_unmask(vdev); + mutex_unlock(&vdev->igate); +} + static irqreturn_t vfio_intx_handler(int irq, void *dev_id) { struct vfio_pci_core_device *vdev = dev_id; @@ -231,97 +257,100 @@ static irqreturn_t vfio_intx_handler(int irq, void *dev_id) return ret; }

-static int vfio_intx_enable(struct vfio_pci_core_device *vdev) +static int vfio_intx_enable(struct vfio_pci_core_device *vdev, + struct eventfd_ctx *trigger) { + struct pci_dev *pdev = vdev->pdev; struct vfio_pci_irq_ctx *ctx; + unsigned long irqflags; + char *name; + int ret;

if (!is_irq_none(vdev)) return -EINVAL;

- if (!vdev->pdev->irq) + if (!pdev->irq) return -ENODEV;

+ name = kasprintf(GFP_KERNEL_ACCOUNT, "vfio-intx(%s)", pci_name(pdev)); + if (!name) + return -ENOMEM; + ctx = vfio_irq_ctx_alloc(vdev, 0); if (!ctx) return -ENOMEM;

+ ctx->name = name; + ctx->trigger = trigger; + /* - * If the virtual interrupt is masked, restore it. Devices - * supporting DisINTx can be masked at the hardware level - * here, non-PCI-2.3 devices will have to wait until the - * interrupt is enabled. + * Fill the initial masked state based on virq_disabled. After + * enable, changing the DisINTx bit in vconfig directly changes INTx + * masking. igate prevents races during setup, once running masked + * is protected via irqlock. + * + * Devices supporting DisINTx also reflect the current mask state in + * the physical DisINTx bit, which is not affected during IRQ setup. + * + * Devices without DisINTx support require an exclusive interrupt. + * IRQ masking is performed at the IRQ chip. Again, igate protects + * against races during setup and IRQ handlers and irqfds are not + * yet active, therefore masked is stable and can be used to + * conditionally auto-enable the IRQ. + * + * irq_type must be stable while the IRQ handler is registered, + * therefore it must be set before request_irq(). */ ctx->masked = vdev->virq_disabled; - if (vdev->pci_2_3) - pci_intx(vdev->pdev, !ctx->masked); + if (vdev->pci_2_3) { + pci_intx(pdev, !ctx->masked); + irqflags = IRQF_SHARED; + } else { + irqflags = ctx->masked ? IRQF_NO_AUTOEN : 0; + }

vdev->irq_type = VFIO_PCI_INTX_IRQ_INDEX;

+ ret = request_irq(pdev->irq, vfio_intx_handler, + irqflags, ctx->name, vdev); + if (ret) { + vdev->irq_type = VFIO_PCI_NUM_IRQS; + kfree(name); + vfio_irq_ctx_free(vdev, ctx, 0); + return ret; + } + return 0; }

-static int vfio_intx_set_signal(struct vfio_pci_core_device *vdev, int fd) +static int vfio_intx_set_signal(struct vfio_pci_core_device *vdev, + struct eventfd_ctx *trigger) { struct pci_dev *pdev = vdev->pdev; - unsigned long irqflags = IRQF_SHARED; struct vfio_pci_irq_ctx *ctx; - struct eventfd_ctx *trigger; - unsigned long flags; - int ret; + struct eventfd_ctx *old;

ctx = vfio_irq_ctx_get(vdev, 0); if (WARN_ON_ONCE(!ctx)) return -EINVAL;

- if (ctx->trigger) { - free_irq(pdev->irq, vdev); - kfree(ctx->name); - eventfd_ctx_put(ctx->trigger); - ctx->trigger = NULL; - } - - if (fd < 0) /* Disable only */ - return 0; + old = ctx->trigger;

- ctx->name = kasprintf(GFP_KERNEL_ACCOUNT, "vfio-intx(%s)", - pci_name(pdev)); - if (!ctx->name) - return -ENOMEM; + WRITE_ONCE(ctx->trigger, trigger);

- trigger = eventfd_ctx_fdget(fd); - if (IS_ERR(trigger)) { - kfree(ctx->name); - return PTR_ERR(trigger); + /* Releasing an old ctx requires synchronizing in-flight users */ + if (old) { + synchronize_irq(pdev->irq); + vfio_virqfd_flush_thread(&ctx->unmask); + eventfd_ctx_put(old); }

- ctx->trigger = trigger; - - if (!vdev->pci_2_3) - irqflags = 0; - - ret = request_irq(pdev->irq, vfio_intx_handler, - irqflags, ctx->name, vdev); - if (ret) { - ctx->trigger = NULL; - kfree(ctx->name); - eventfd_ctx_put(trigger); - return ret; - } - - /* - * INTx disable will stick across the new irq setup, - * disable_irq won't. - */ - spin_lock_irqsave(&vdev->irqlock, flags); - if (!vdev->pci_2_3 && ctx->masked) - disable_irq_nosync(pdev->irq); - spin_unlock_irqrestore(&vdev->irqlock, flags); - return 0; }

static void vfio_intx_disable(struct vfio_pci_core_device *vdev) { + struct pci_dev *pdev = vdev->pdev; struct vfio_pci_irq_ctx *ctx;

ctx = vfio_irq_ctx_get(vdev, 0); @@ -329,10 +358,13 @@ static void vfio_intx_disable(struct vfio_pci_core_device *vdev) if (ctx) { vfio_virqfd_disable(&ctx->unmask); vfio_virqfd_disable(&ctx->mask); + free_irq(pdev->irq, vdev); + if (ctx->trigger) + eventfd_ctx_put(ctx->trigger); + kfree(ctx->name); + vfio_irq_ctx_free(vdev, ctx, 0); } - vfio_intx_set_signal(vdev, -1); vdev->irq_type = VFIO_PCI_NUM_IRQS; - vfio_irq_ctx_free(vdev, ctx, 0); }

/* @@ -342,7 +374,7 @@ static irqreturn_t vfio_msihandler(int irq, void *arg) { struct eventfd_ctx *trigger = arg;

- eventfd_signal(trigger, 1); + eventfd_signal(trigger); return IRQ_HANDLED; }

@@ -560,11 +592,11 @@ static int vfio_pci_set_intx_unmask(struct vfio_pci_core_device *vdev, return -EINVAL;

if (flags & VFIO_IRQ_SET_DATA_NONE) { - vfio_pci_intx_unmask(vdev); + __vfio_pci_intx_unmask(vdev); } else if (flags & VFIO_IRQ_SET_DATA_BOOL) { uint8_t unmask = *(uint8_t *)data; if (unmask) - vfio_pci_intx_unmask(vdev); + __vfio_pci_intx_unmask(vdev); } else if (flags & VFIO_IRQ_SET_DATA_EVENTFD) { struct vfio_pci_irq_ctx *ctx = vfio_irq_ctx_get(vdev, 0); int32_t fd = *(int32_t *)data; @@ -591,11 +623,11 @@ static int vfio_pci_set_intx_mask(struct vfio_pci_core_device *vdev, return -EINVAL;

if (flags & VFIO_IRQ_SET_DATA_NONE) { - vfio_pci_intx_mask(vdev); + __vfio_pci_intx_mask(vdev); } else if (flags & VFIO_IRQ_SET_DATA_BOOL) { uint8_t mask = *(uint8_t *)data; if (mask) - vfio_pci_intx_mask(vdev); + __vfio_pci_intx_mask(vdev); } else if (flags & VFIO_IRQ_SET_DATA_EVENTFD) { return -ENOTTY; /* XXX implement me */ } @@ -616,19 +648,23 @@ static int vfio_pci_set_intx_trigger(struct vfio_pci_core_device *vdev, return -EINVAL;

if (flags & VFIO_IRQ_SET_DATA_EVENTFD) { + struct eventfd_ctx *trigger = NULL; int32_t fd = *(int32_t *)data; int ret;

- if (is_intx(vdev)) - return vfio_intx_set_signal(vdev, fd); + if (fd >= 0) { + trigger = eventfd_ctx_fdget(fd); + if (IS_ERR(trigger)) + return PTR_ERR(trigger); + }

- ret = vfio_intx_enable(vdev); - if (ret) - return ret; + if (is_intx(vdev)) + ret = vfio_intx_set_signal(vdev, trigger); + else + ret = vfio_intx_enable(vdev, trigger);

- ret = vfio_intx_set_signal(vdev, fd); - if (ret) - vfio_intx_disable(vdev); + if (ret && trigger) + eventfd_ctx_put(trigger);

return ret; } @@ -689,11 +725,11 @@ static int vfio_pci_set_msi_trigger(struct vfio_pci_core_device *vdev, if (!ctx) continue; if (flags & VFIO_IRQ_SET_DATA_NONE) { - eventfd_signal(ctx->trigger, 1); + eventfd_signal(ctx->trigger); } else if (flags & VFIO_IRQ_SET_DATA_BOOL) { uint8_t *bools = data; if (bools[i - start]) - eventfd_signal(ctx->trigger, 1); + eventfd_signal(ctx->trigger); } } return 0; @@ -707,7 +743,7 @@ static int vfio_pci_set_ctx_trigger_single(struct eventfd_ctx **ctx, if (flags & VFIO_IRQ_SET_DATA_NONE) { if (*ctx) { if (count) { - eventfd_signal(*ctx, 1); + eventfd_signal(*ctx); } else { eventfd_ctx_put(*ctx); *ctx = NULL; @@ -722,7 +758,7 @@ static int vfio_pci_set_ctx_trigger_single(struct eventfd_ctx **ctx,

trigger = *(uint8_t *)data; if (trigger && *ctx) - eventfd_signal(*ctx, 1); + eventfd_signal(*ctx);

return 0; } else if (flags & VFIO_IRQ_SET_DATA_EVENTFD) { diff --git a/drivers/vfio/platform/vfio_platform_irq.c b/drivers/vfio/platform/vfio_platform_irq.c index 665197caed89..ef41ecef83af 100644 --- a/drivers/vfio/platform/vfio_platform_irq.c +++ b/drivers/vfio/platform/vfio_platform_irq.c @@ -136,6 +136,16 @@ static int vfio_platform_set_irq_unmask(struct vfio_platform_device *vdev, return 0; }

+/* + * The trigger eventfd is guaranteed valid in the interrupt path + * and protected by the igate mutex when triggered via ioctl. + */ +static void vfio_send_eventfd(struct vfio_platform_irq *irq_ctx) +{ + if (likely(irq_ctx->trigger)) + eventfd_signal(irq_ctx->trigger); +} + static irqreturn_t vfio_automasked_irq_handler(int irq, void *dev_id) { struct vfio_platform_irq *irq_ctx = dev_id; @@ -155,7 +165,7 @@ static irqreturn_t vfio_automasked_irq_handler(int irq, void *dev_id) spin_unlock_irqrestore(&irq_ctx->lock, flags);

if (ret == IRQ_HANDLED) - eventfd_signal(irq_ctx->trigger, 1); + vfio_send_eventfd(irq_ctx);

return ret; } @@ -164,52 +174,40 @@ static irqreturn_t vfio_irq_handler(int irq, void *dev_id) { struct vfio_platform_irq *irq_ctx = dev_id;

- eventfd_signal(irq_ctx->trigger, 1); + vfio_send_eventfd(irq_ctx);

return IRQ_HANDLED; }

static int vfio_set_trigger(struct vfio_platform_device *vdev, int index, - int fd, irq_handler_t handler) + int fd) { struct vfio_platform_irq *irq = &vdev->irqs[index]; struct eventfd_ctx *trigger; - int ret;

if (irq->trigger) { - irq_clear_status_flags(irq->hwirq, IRQ_NOAUTOEN); - free_irq(irq->hwirq, irq); - kfree(irq->name); + disable_irq(irq->hwirq); eventfd_ctx_put(irq->trigger); irq->trigger = NULL; }

if (fd < 0) /* Disable only */ return 0; - irq->name = kasprintf(GFP_KERNEL_ACCOUNT, "vfio-irq[%d](%s)", - irq->hwirq, vdev->name); - if (!irq->name) - return -ENOMEM;

trigger = eventfd_ctx_fdget(fd); - if (IS_ERR(trigger)) { - kfree(irq->name); + if (IS_ERR(trigger)) return PTR_ERR(trigger); - }

irq->trigger = trigger;

- irq_set_status_flags(irq->hwirq, IRQ_NOAUTOEN); - ret = request_irq(irq->hwirq, handler, 0, irq->name, irq); - if (ret) { - kfree(irq->name); - eventfd_ctx_put(trigger); - irq->trigger = NULL; - return ret; - } - - if (!irq->masked) - enable_irq(irq->hwirq); + /* + * irq->masked effectively provides nested disables within the overall + * enable relative to trigger. Specifically request_irq() is called + * with NO_AUTOEN, therefore the IRQ is initially disabled. The user + * may only further disable the IRQ with a MASK operations because + * irq->masked is initially false. + */ + enable_irq(irq->hwirq);

return 0; } @@ -228,7 +226,7 @@ static int vfio_platform_set_irq_trigger(struct vfio_platform_device *vdev, handler = vfio_irq_handler;

if (!count && (flags & VFIO_IRQ_SET_DATA_NONE)) - return vfio_set_trigger(vdev, index, -1, handler); + return vfio_set_trigger(vdev, index, -1);

if (start != 0 || count != 1) return -EINVAL; @@ -236,7 +234,7 @@ static int vfio_platform_set_irq_trigger(struct vfio_platform_device *vdev, if (flags & VFIO_IRQ_SET_DATA_EVENTFD) { int32_t fd = *(int32_t *)data;

- return vfio_set_trigger(vdev, index, fd, handler); + return vfio_set_trigger(vdev, index, fd); }

if (flags & VFIO_IRQ_SET_DATA_NONE) { @@ -260,6 +258,14 @@ int vfio_platform_set_irqs_ioctl(struct vfio_platform_device *vdev, unsigned start, unsigned count, uint32_t flags, void *data) = NULL;

+ /* + * For compatibility, errors from request_irq() are local to the + * SET_IRQS path and reflected in the name pointer. This allows, + * for example, polling mode fallback for an exclusive IRQ failure. + */ + if (IS_ERR(vdev->irqs[index].name)) + return PTR_ERR(vdev->irqs[index].name); + switch (flags & VFIO_IRQ_SET_ACTION_TYPE_MASK) { case VFIO_IRQ_SET_ACTION_MASK: func = vfio_platform_set_irq_mask; @@ -280,7 +286,7 @@ int vfio_platform_set_irqs_ioctl(struct vfio_platform_device *vdev,

int vfio_platform_irq_init(struct vfio_platform_device *vdev) { - int cnt = 0, i; + int cnt = 0, i, ret = 0;

while (vdev->get_irq(vdev, cnt) >= 0) cnt++; @@ -292,37 +298,70 @@ int vfio_platform_irq_init(struct vfio_platform_device *vdev)

for (i = 0; i < cnt; i++) { int hwirq = vdev->get_irq(vdev, i); + irq_handler_t handler = vfio_irq_handler;

- if (hwirq < 0) + if (hwirq < 0) { + ret = -EINVAL; goto err; + }

spin_lock_init(&vdev->irqs[i].lock);

vdev->irqs[i].flags = VFIO_IRQ_INFO_EVENTFD;

- if (irq_get_trigger_type(hwirq) & IRQ_TYPE_LEVEL_MASK) + if (irq_get_trigger_type(hwirq) & IRQ_TYPE_LEVEL_MASK) { vdev->irqs[i].flags |= VFIO_IRQ_INFO_MASKABLE | VFIO_IRQ_INFO_AUTOMASKED; + handler = vfio_automasked_irq_handler; + }

vdev->irqs[i].count = 1; vdev->irqs[i].hwirq = hwirq; vdev->irqs[i].masked = false; + vdev->irqs[i].name = kasprintf(GFP_KERNEL_ACCOUNT, + "vfio-irq[%d](%s)", hwirq, + vdev->name); + if (!vdev->irqs[i].name) { + ret = -ENOMEM; + goto err; + } + + ret = request_irq(hwirq, handler, IRQF_NO_AUTOEN, + vdev->irqs[i].name, &vdev->irqs[i]); + if (ret) { + kfree(vdev->irqs[i].name); + vdev->irqs[i].name = ERR_PTR(ret); + } }

vdev->num_irqs = cnt;

return 0; err: + for (--i; i >= 0; i--) { + if (!IS_ERR(vdev->irqs[i].name)) { + free_irq(vdev->irqs[i].hwirq, &vdev->irqs[i]); + kfree(vdev->irqs[i].name); + } + } kfree(vdev->irqs); - return -EINVAL; + return ret; }

void vfio_platform_irq_cleanup(struct vfio_platform_device *vdev) { int i;

- for (i = 0; i < vdev->num_irqs; i++) - vfio_set_trigger(vdev, i, -1, NULL); + for (i = 0; i < vdev->num_irqs; i++) { + vfio_virqfd_disable(&vdev->irqs[i].mask); + vfio_virqfd_disable(&vdev->irqs[i].unmask); + if (!IS_ERR(vdev->irqs[i].name)) { + free_irq(vdev->irqs[i].hwirq, &vdev->irqs[i]); + if (vdev->irqs[i].trigger) + eventfd_ctx_put(vdev->irqs[i].trigger); + kfree(vdev->irqs[i].name); + } + }

vdev->num_irqs = 0; kfree(vdev->irqs); diff --git a/drivers/vfio/virqfd.c b/drivers/vfio/virqfd.c index 29c564b7a6e1..532269133801 100644 --- a/drivers/vfio/virqfd.c +++ b/drivers/vfio/virqfd.c @@ -101,6 +101,13 @@ static void virqfd_inject(struct work_struct *work) virqfd->thread(virqfd->opaque, virqfd->data); }

+static void virqfd_flush_inject(struct work_struct *work) +{ + struct virqfd *virqfd = container_of(work, struct virqfd, flush_inject); + + flush_work(&virqfd->inject); +} + int vfio_virqfd_enable(void *opaque, int (*handler)(void *, void *), void (*thread)(void *, void *), @@ -124,6 +131,7 @@ int vfio_virqfd_enable(void *opaque,

INIT_WORK(&virqfd->shutdown, virqfd_shutdown); INIT_WORK(&virqfd->inject, virqfd_inject); + INIT_WORK(&virqfd->flush_inject, virqfd_flush_inject);

irqfd = fdget(fd); if (!irqfd.file) { @@ -213,3 +221,16 @@ void vfio_virqfd_disable(struct virqfd **pvirqfd) flush_workqueue(vfio_irqfd_cleanup_wq); } EXPORT_SYMBOL_GPL(vfio_virqfd_disable); + +void vfio_virqfd_flush_thread(struct virqfd **pvirqfd) +{ + unsigned long flags; + + spin_lock_irqsave(&virqfd_lock, flags); + if (*pvirqfd && (*pvirqfd)->thread) + queue_work(vfio_irqfd_cleanup_wq, &(*pvirqfd)->flush_inject); + spin_unlock_irqrestore(&virqfd_lock, flags); + + flush_workqueue(vfio_irqfd_cleanup_wq); +} +EXPORT_SYMBOL_GPL(vfio_virqfd_flush_thread); diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index da7ec77cdaff..173beda74b38 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -178,7 +178,7 @@ static irqreturn_t vhost_vdpa_virtqueue_cb(void *private) struct eventfd_ctx *call_ctx = vq->call_ctx.ctx;

if (call_ctx) - eventfd_signal(call_ctx, 1); + eventfd_signal(call_ctx);

return IRQ_HANDLED; } @@ -189,7 +189,7 @@ static irqreturn_t vhost_vdpa_config_cb(void *private) struct eventfd_ctx *config_ctx = v->config_ctx;

if (config_ctx) - eventfd_signal(config_ctx, 1); + eventfd_signal(config_ctx);

return IRQ_HANDLED; } diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index e0c181ad17e3..045f666b4f12 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -2248,7 +2248,7 @@ int vhost_log_write(struct vhost_virtqueue *vq, struct vhost_log *log, len -= l; if (!len) { if (vq->log_ctx) - eventfd_signal(vq->log_ctx, 1); + eventfd_signal(vq->log_ctx); return 0; } } @@ -2271,7 +2271,7 @@ static int vhost_update_used_flags(struct vhost_virtqueue *vq) log_used(vq, (used - (void __user *)vq->used), sizeof vq->used->flags); if (vq->log_ctx) - eventfd_signal(vq->log_ctx, 1); + eventfd_signal(vq->log_ctx); } return 0; } @@ -2289,7 +2289,7 @@ static int vhost_update_avail_event(struct vhost_virtqueue *vq) log_used(vq, (used - (void __user *)vq->used), sizeof *vhost_avail_event(vq)); if (vq->log_ctx) - eventfd_signal(vq->log_ctx, 1); + eventfd_signal(vq->log_ctx); } return 0; } @@ -2715,7 +2715,7 @@ int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads, log_used(vq, offsetof(struct vring_used, idx), sizeof vq->used->idx); if (vq->log_ctx) - eventfd_signal(vq->log_ctx, 1); + eventfd_signal(vq->log_ctx); } return r; } @@ -2763,7 +2763,7 @@ void vhost_signal(struct vhost_dev *dev, struct vhost_virtqueue *vq) { /* Signal the Guest tell them we used something up. */ if (vq->call_ctx.ctx && vhost_notify(dev, vq)) - eventfd_signal(vq->call_ctx.ctx, 1); + eventfd_signal(vq->call_ctx.ctx); } EXPORT_SYMBOL_GPL(vhost_signal);

diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index f60d5f7bef94..9e942fcda5c3 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -249,7 +249,7 @@ void vhost_iotlb_map_free(struct vhost_iotlb *iotlb, #define vq_err(vq, fmt, ...) do { \ pr_debug(pr_fmt(fmt), ##__VA_ARGS__); \ if ((vq)->error_ctx) \ - eventfd_signal((vq)->error_ctx, 1);\ + eventfd_signal((vq)->error_ctx);\ } while (0)

enum { diff --git a/drivers/virt/acrn/ioeventfd.c b/drivers/virt/acrn/ioeventfd.c index ac4037e9f947..4e845c6ca0b5 100644 --- a/drivers/virt/acrn/ioeventfd.c +++ b/drivers/virt/acrn/ioeventfd.c @@ -223,7 +223,7 @@ static int acrn_ioeventfd_handler(struct acrn_ioreq_client *client, mutex_lock(&client->vm->ioeventfds_lock); p = hsm_ioeventfd_match(client->vm, addr, val, size, req->type); if (p) - eventfd_signal(p->eventfd, 1); + eventfd_signal(p->eventfd); mutex_unlock(&client->vm->ioeventfds_lock);

return 0; diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 3893dc29eb26..71dee622b771 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -489,13 +489,19 @@ EXPORT_SYMBOL_GPL(unregister_virtio_device); int virtio_device_freeze(struct virtio_device *dev) { struct virtio_driver *drv = drv_to_virtio(dev->dev.driver); + int ret;

virtio_config_disable(dev);

dev->failed = dev->config->get_status(dev) & VIRTIO_CONFIG_S_FAILED;

- if (drv && drv->freeze) - return drv->freeze(dev); + if (drv && drv->freeze) { + ret = drv->freeze(dev); + if (ret) { + virtio_config_enable(dev); + return ret; + } + }

return 0; } diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 0eb337a8ec0f..35b6e306026a 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -1147,7 +1147,7 @@ static irqreturn_t ioeventfd_interrupt(int irq, void *dev_id) if (ioreq->addr == kioeventfd->addr + VIRTIO_MMIO_QUEUE_NOTIFY && ioreq->size == kioeventfd->addr_len && (ioreq->data & QUEUE_NOTIFY_VQ_MASK) == kioeventfd->vq) { - eventfd_signal(kioeventfd->eventfd, 1); + eventfd_signal(kioeventfd->eventfd); state = STATE_IORESP_READY; break; } diff --git a/fs/aio.c b/fs/aio.c index 3235d4e6cc62..be12d7c049ef 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -590,8 +590,8 @@ static int aio_setup_ring(struct kioctx *ctx, unsigned int nr_events)

void kiocb_set_cancel_fn(struct kiocb *iocb, kiocb_cancel_fn *cancel) { - struct aio_kiocb *req = container_of(iocb, struct aio_kiocb, rw); - struct kioctx *ctx = req->ki_ctx; + struct aio_kiocb *req; + struct kioctx *ctx; unsigned long flags;

/* @@ -601,9 +601,13 @@ void kiocb_set_cancel_fn(struct kiocb *iocb, kiocb_cancel_fn *cancel) if (!(iocb->ki_flags & IOCB_AIO_RW)) return;

+ req = container_of(iocb, struct aio_kiocb, rw); + if (WARN_ON_ONCE(!list_empty(&req->ki_list))) return;

+ ctx = req->ki_ctx; + spin_lock_irqsave(&ctx->ctx_lock, flags); list_add_tail(&req->ki_list, &ctx->active_reqs); req->ki_cancel = cancel; @@ -1173,7 +1177,7 @@ static void aio_complete(struct aio_kiocb *iocb) * from IRQ context. */ if (iocb->ki_eventfd) - eventfd_signal(iocb->ki_eventfd, 1); + eventfd_signal(iocb->ki_eventfd);

/* * We have to order our ring_info tail store above and test diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index aca24186d66b..52bab8cf7867 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -1562,7 +1562,8 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) * needing to allocate extents from the block group. */ used = btrfs_space_info_used(space_info, true); - if (space_info->total_bytes - block_group->length < used) { + if (space_info->total_bytes - block_group->length < used && + block_group->zone_unusable < block_group->length) { /* * Add a reference for the list, compensate for the ref * drop under the "next" label for the diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index eade0432bd9c..87082f9732bd 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2734,16 +2734,34 @@ static int fiemap_process_hole(struct btrfs_inode *inode, * it beyond i_size. */ while (cur_offset < end && cur_offset < i_size) { + struct extent_state *cached_state = NULL; u64 delalloc_start; u64 delalloc_end; u64 prealloc_start; + u64 lockstart; + u64 lockend; u64 prealloc_len = 0; bool delalloc;

+ lockstart = round_down(cur_offset, inode->root->fs_info->sectorsize); + lockend = round_up(end, inode->root->fs_info->sectorsize); + + /* + * We are only locking for the delalloc range because that's the + * only thing that can change here. With fiemap we have a lock + * on the inode, so no buffered or direct writes can happen. + * + * However mmaps and normal page writeback will cause this to + * change arbitrarily. We have to lock the extent lock here to + * make sure that nobody messes with the tree while we're doing + * btrfs_find_delalloc_in_range. + */ + lock_extent(&inode->io_tree, lockstart, lockend, &cached_state); delalloc = btrfs_find_delalloc_in_range(inode, cur_offset, end, delalloc_cached_state, &delalloc_start, &delalloc_end); + unlock_extent(&inode->io_tree, lockstart, lockend, &cached_state); if (!delalloc) break;

@@ -2911,15 +2929,15 @@ int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len) { const u64 ino = btrfs_ino(inode); - struct extent_state *cached_state = NULL; struct extent_state *delalloc_cached_state = NULL; struct btrfs_path *path; struct fiemap_cache cache = { 0 }; struct btrfs_backref_share_check_ctx *backref_ctx; u64 last_extent_end; u64 prev_extent_end; - u64 lockstart; - u64 lockend; + u64 range_start; + u64 range_end; + const u64 sectorsize = inode->root->fs_info->sectorsize; bool stopped = false; int ret;

@@ -2930,12 +2948,11 @@ int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo, goto out; }

- lockstart = round_down(start, inode->root->fs_info->sectorsize); - lockend = round_up(start + len, inode->root->fs_info->sectorsize); - prev_extent_end = lockstart; + range_start = round_down(start, sectorsize); + range_end = round_up(start + len, sectorsize); + prev_extent_end = range_start;

btrfs_inode_lock(inode, BTRFS_ILOCK_SHARED); - lock_extent(&inode->io_tree, lockstart, lockend, &cached_state);

ret = fiemap_find_last_extent_offset(inode, path, &last_extent_end); if (ret < 0) @@ -2943,7 +2960,7 @@ int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo, btrfs_release_path(path);

path->reada = READA_FORWARD; - ret = fiemap_search_slot(inode, path, lockstart); + ret = fiemap_search_slot(inode, path, range_start); if (ret < 0) { goto out_unlock; } else if (ret > 0) { @@ -2955,7 +2972,7 @@ int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo, goto check_eof_delalloc; }

- while (prev_extent_end < lockend) { + while (prev_extent_end < range_end) { struct extent_buffer *leaf = path->nodes[0]; struct btrfs_file_extent_item *ei; struct btrfs_key key; @@ -2978,19 +2995,19 @@ int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo, * The first iteration can leave us at an extent item that ends * before our range's start. Move to the next item. */ - if (extent_end <= lockstart) + if (extent_end <= range_start) goto next_item;

backref_ctx->curr_leaf_bytenr = leaf->start;

/* We have in implicit hole (NO_HOLES feature enabled). */ if (prev_extent_end < key.offset) { - const u64 range_end = min(key.offset, lockend) - 1; + const u64 hole_end = min(key.offset, range_end) - 1;

ret = fiemap_process_hole(inode, fieinfo, &cache, &delalloc_cached_state, backref_ctx, 0, 0, 0, - prev_extent_end, range_end); + prev_extent_end, hole_end); if (ret < 0) { goto out_unlock; } else if (ret > 0) { @@ -3000,7 +3017,7 @@ int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo, }

/* We've reached the end of the fiemap range, stop. */ - if (key.offset >= lockend) { + if (key.offset >= range_end) { stopped = true; break; } @@ -3094,29 +3111,41 @@ int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo, btrfs_free_path(path); path = NULL;

- if (!stopped && prev_extent_end < lockend) { + if (!stopped && prev_extent_end < range_end) { ret = fiemap_process_hole(inode, fieinfo, &cache, &delalloc_cached_state, backref_ctx, - 0, 0, 0, prev_extent_end, lockend - 1); + 0, 0, 0, prev_extent_end, range_end - 1); if (ret < 0) goto out_unlock; - prev_extent_end = lockend; + prev_extent_end = range_end; }

if (cache.cached && cache.offset + cache.len >= last_extent_end) { const u64 i_size = i_size_read(&inode->vfs_inode);

if (prev_extent_end < i_size) { + struct extent_state *cached_state = NULL; u64 delalloc_start; u64 delalloc_end; + u64 lockstart; + u64 lockend; bool delalloc;

+ lockstart = round_down(prev_extent_end, sectorsize); + lockend = round_up(i_size, sectorsize); + + /* + * See the comment in fiemap_process_hole as to why + * we're doing the locking here. + */ + lock_extent(&inode->io_tree, lockstart, lockend, &cached_state); delalloc = btrfs_find_delalloc_in_range(inode, prev_extent_end, i_size - 1, &delalloc_cached_state, &delalloc_start, &delalloc_end); + unlock_extent(&inode->io_tree, lockstart, lockend, &cached_state); if (!delalloc) cache.flags |= FIEMAP_EXTENT_LAST; } else { @@ -3127,7 +3156,6 @@ int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo, ret = emit_last_fiemap_cache(fieinfo, &cache);

out_unlock: - unlock_extent(&inode->io_tree, lockstart, lockend, &cached_state); btrfs_inode_unlock(inode, BTRFS_ILOCK_SHARED); out: free_extent_state(delalloc_cached_state); @@ -4024,6 +4052,19 @@ int read_extent_buffer_pages(struct extent_buffer *eb, int wait, int mirror_num, if (test_and_set_bit(EXTENT_BUFFER_READING, &eb->bflags)) goto done;

+ /* + * Between the initial test_bit(EXTENT_BUFFER_UPTODATE) and the above + * test_and_set_bit(EXTENT_BUFFER_READING), someone else could have + * started and finished reading the same eb. In this case, UPTODATE + * will now be set, and we shouldn't read it in again. + */ + if (unlikely(test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags))) { + clear_bit(EXTENT_BUFFER_READING, &eb->bflags); + smp_mb__after_atomic(); + wake_up_bit(&eb->bflags, EXTENT_BUFFER_READING); + return 0; + } + clear_bit(EXTENT_BUFFER_READ_ERR, &eb->bflags); eb->read_mirror = 0; check_buffer_tree_ref(eb); diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index bbfa44b89bc4..1dcf5bb8dfa6 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -2959,11 +2959,6 @@ int btrfs_qgroup_account_extents(struct btrfs_trans_handle *trans) ctx.roots = NULL; }

- /* Free the reserved data space */ - btrfs_qgroup_free_refroot(fs_info, - record->data_rsv_refroot, - record->data_rsv, - BTRFS_QGROUP_RSV_DATA); /* * Use BTRFS_SEQ_LAST as time_seq to do special search, * which doesn't lock tree or delayed_refs and search @@ -2987,6 +2982,11 @@ int btrfs_qgroup_account_extents(struct btrfs_trans_handle *trans) record->old_roots = NULL; new_roots = NULL; } + /* Free the reserved data space */ + btrfs_qgroup_free_refroot(fs_info, + record->data_rsv_refroot, + record->data_rsv, + BTRFS_QGROUP_RSV_DATA); cleanup: ulist_free(record->old_roots); ulist_free(new_roots); diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 443d2519f0a9..258b3e5585f7 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -2809,7 +2809,17 @@ static noinline_for_stack int scrub_supers(struct scrub_ctx *sctx, gen = btrfs_get_last_trans_committed(fs_info);

for (i = 0; i < BTRFS_SUPER_MIRROR_MAX; i++) { - bytenr = btrfs_sb_offset(i); + ret = btrfs_sb_log_location(scrub_dev, i, 0, &bytenr); + if (ret == -ENOENT) + break; + + if (ret) { + spin_lock(&sctx->stat_lock); + sctx->stat.super_errors++; + spin_unlock(&sctx->stat_lock); + continue; + } + if (bytenr + BTRFS_SUPER_INFO_SIZE > scrub_dev->commit_total_bytes) break; diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index f627674b37db..fd30dc3d59c8 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -683,6 +683,16 @@ static int btrfs_open_one_device(struct btrfs_fs_devices *fs_devices, device->bdev = bdev_handle->bdev; clear_bit(BTRFS_DEV_STATE_IN_FS_METADATA, &device->dev_state);

+ if (device->devt != device->bdev->bd_dev) { + btrfs_warn(NULL, + "device %s maj:min changed from %d:%d to %d:%d", + device->name->str, MAJOR(device->devt), + MINOR(device->devt), MAJOR(device->bdev->bd_dev), + MINOR(device->bdev->bd_dev)); + + device->devt = device->bdev->bd_dev; + } + fs_devices->open_devices++; if (test_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state) && device->devid != BTRFS_DEV_REPLACE_DEVID) { @@ -1290,6 +1300,47 @@ int btrfs_forget_devices(dev_t devt) return ret; }

+static bool btrfs_skip_registration(struct btrfs_super_block *disk_super, + const char *path, dev_t devt, + bool mount_arg_dev) +{ + struct btrfs_fs_devices *fs_devices; + + /* + * Do not skip device registration for mounted devices with matching + * maj:min but different paths. Booting without initrd relies on + * /dev/root initially, later replaced with the actual root device. + * A successful scan ensures grub2-probe selects the correct device. + */ + list_for_each_entry(fs_devices, &fs_uuids, fs_list) { + struct btrfs_device *device; + + mutex_lock(&fs_devices->device_list_mutex); + + if (!fs_devices->opened) { + mutex_unlock(&fs_devices->device_list_mutex); + continue; + } + + list_for_each_entry(device, &fs_devices->devices, dev_list) { + if (device->bdev && (device->bdev->bd_dev == devt) && + strcmp(device->name->str, path) != 0) { + mutex_unlock(&fs_devices->device_list_mutex); + + /* Do not skip registration. */ + return false; + } + } + mutex_unlock(&fs_devices->device_list_mutex); + } + + if (!mount_arg_dev && btrfs_super_num_devices(disk_super) == 1 && + !(btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_SEEDING)) + return true; + + return false; +} + /* * Look for a btrfs signature on a device. This may be called out of the mount path * and we are not allowed to call set_blocksize during the scan. The superblock @@ -1346,18 +1397,14 @@ struct btrfs_device *btrfs_scan_one_device(const char *path, blk_mode_t flags, goto error_bdev_put; }

- if (!mount_arg_dev && btrfs_super_num_devices(disk_super) == 1 && - !(btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_SEEDING)) { - dev_t devt; + if (btrfs_skip_registration(disk_super, path, bdev_handle->bdev->bd_dev, + mount_arg_dev)) { + pr_debug("BTRFS: skip registering single non-seed device %s (%d:%d)\n", + path, MAJOR(bdev_handle->bdev->bd_dev), + MINOR(bdev_handle->bdev->bd_dev));

- ret = lookup_bdev(path, &devt); - if (ret) - btrfs_warn(NULL, "lookup bdev failed for path %s: %d", - path, ret); - else - btrfs_free_stale_devices(devt, NULL); + btrfs_free_stale_devices(bdev_handle->bdev->bd_dev, NULL);

- pr_debug("BTRFS: skip registering single non-seed device %s\n", path); device = NULL; goto free_disk_super; } @@ -1392,7 +1439,7 @@ static bool contains_pending_extent(struct btrfs_device *device, u64 *start,

if (in_range(physical_start, *start, len) || in_range(*start, physical_start, - physical_end - physical_start)) { + physical_end + 1 - physical_start)) { *start = physical_end + 1; return true; } diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 034a617cb1a5..a40da0065433 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -751,13 +751,28 @@ static void __debugfs_file_removed(struct dentry *dentry) if ((unsigned long)fsd & DEBUGFS_FSDATA_IS_REAL_FOPS_BIT) return;

- /* if we hit zero, just wait for all to finish */ - if (!refcount_dec_and_test(&fsd->active_users)) { - wait_for_completion(&fsd->active_users_drained); + /* if this was the last reference, we're done */ + if (refcount_dec_and_test(&fsd->active_users)) return; - }

- /* if we didn't hit zero, try to cancel any we can */ + /* + * If there's still a reference, the code that obtained it can + * be in different states: + * - The common case of not using cancellations, or already + * after debugfs_leave_cancellation(), where we just need + * to wait for debugfs_file_put() which signals the completion; + * - inside a cancellation section, i.e. between + * debugfs_enter_cancellation() and debugfs_leave_cancellation(), + * in which case we need to trigger the ->cancel() function, + * and then wait for debugfs_file_put() just like in the + * previous case; + * - before debugfs_enter_cancellation() (but obviously after + * debugfs_file_get()), in which case we may not see the + * cancellation in the list on the first round of the loop, + * but debugfs_enter_cancellation() signals the completion + * after adding it, so this code gets woken up to call the + * ->cancel() function. + */ while (refcount_read(&fsd->active_users)) { struct debugfs_cancellation *c;

diff --git a/fs/dlm/user.c b/fs/dlm/user.c index 695e691b38b3..9f9b68448830 100644 --- a/fs/dlm/user.c +++ b/fs/dlm/user.c @@ -806,7 +806,7 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count, struct dlm_lkb *lkb; DECLARE_WAITQUEUE(wait, current); struct dlm_callback *cb; - int rv, copy_lvb = 0; + int rv, ret, copy_lvb = 0; int old_mode, new_mode;

if (count == sizeof(struct dlm_device_version)) { @@ -906,9 +906,9 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count, trace_dlm_ast(lkb->lkb_resource->res_ls, lkb); }

- rv = copy_result_to_user(lkb->lkb_ua, - test_bit(DLM_PROC_FLAGS_COMPAT, &proc->flags), - cb->flags, cb->mode, copy_lvb, buf, count); + ret = copy_result_to_user(lkb->lkb_ua, + test_bit(DLM_PROC_FLAGS_COMPAT, &proc->flags), + cb->flags, cb->mode, copy_lvb, buf, count);

kref_put(&cb->ref, dlm_release_callback);

@@ -916,7 +916,7 @@ static ssize_t device_read(struct file *file, char __user *buf, size_t count, if (rv == DLM_DEQUEUE_CALLBACK_LAST) dlm_put_lkb(lkb);

- return rv; + return ret; }

static __poll_t device_poll(struct file *file, poll_table *wait) diff --git a/fs/eventfd.c b/fs/eventfd.c index 33a918f9566c..d2f7d2d8a351 100644 --- a/fs/eventfd.c +++ b/fs/eventfd.c @@ -72,22 +72,19 @@ __u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __u64 n, __poll_t mask) }

/** - * eventfd_signal - Adds @n to the eventfd counter. + * eventfd_signal - Increment the event counter * @ctx: [in] Pointer to the eventfd context. - * @n: [in] Value of the counter to be added to the eventfd internal counter. - * The value cannot be negative. * * This function is supposed to be called by the kernel in paths that do not * allow sleeping. In this function we allow the counter to reach the ULLONG_MAX * value, and we signal this as overflow condition by returning a EPOLLERR * to poll(2). * - * Returns the amount by which the counter was incremented. This will be less - * than @n if the counter has overflowed. + * Returns the amount by which the counter was incremented. */ -__u64 eventfd_signal(struct eventfd_ctx *ctx, __u64 n) +__u64 eventfd_signal(struct eventfd_ctx *ctx) { - return eventfd_signal_mask(ctx, n, 0); + return eventfd_signal_mask(ctx, 1, 0); } EXPORT_SYMBOL_GPL(eventfd_signal);

diff --git a/fs/exec.c b/fs/exec.c index 6d9ed2d765ef..7a1861a718c2 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -894,6 +894,7 @@ int transfer_args_to_stack(struct linux_binprm *bprm, goto out; }

+ bprm->exec += *sp_location - MAX_ARG_PAGES * PAGE_SIZE; *sp_location = sp;

out: diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 7497a789d002..38ec0fdb3395 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -5173,10 +5173,16 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac) .fe_len = ac->ac_orig_goal_len, }; loff_t orig_goal_end = extent_logical_end(sbi, &ex); + loff_t o_ex_end = extent_logical_end(sbi, &ac->ac_o_ex);

- /* we can't allocate as much as normalizer wants. - * so, found space must get proper lstart - * to cover original request */ + /* + * We can't allocate as much as normalizer wants, so we try + * to get proper lstart to cover the original request, except + * when the goal doesn't cover the original request as below: + * + * orig_ex:2045/2055(10), isize:8417280 -> normalized:0/2048 + * best_ex:0/200(200) -> adjusted: 1848/2048(200) + */ BUG_ON(ac->ac_g_ex.fe_logical > ac->ac_o_ex.fe_logical); BUG_ON(ac->ac_g_ex.fe_len < ac->ac_o_ex.fe_len);

@@ -5188,7 +5194,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac) * 1. Check if best ex can be kept at end of goal (before * cr_best_avail trimmed it) and still cover original start * 2. Else, check if best ex can be kept at start of goal and - * still cover original start + * still cover original end * 3. Else, keep the best ex at start of original request. */ ex.fe_len = ac->ac_b_ex.fe_len; @@ -5198,7 +5204,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac) goto adjust_bex;

ex.fe_logical = ac->ac_g_ex.fe_logical; - if (ac->ac_o_ex.fe_logical < extent_logical_end(sbi, &ex)) + if (o_ex_end <= extent_logical_end(sbi, &ex)) goto adjust_bex;

ex.fe_logical = ac->ac_o_ex.fe_logical; @@ -5206,7 +5212,6 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac) ac->ac_b_ex.fe_logical = ex.fe_logical;

BUG_ON(ac->ac_o_ex.fe_logical < ac->ac_b_ex.fe_logical); - BUG_ON(ac->ac_o_ex.fe_len > ac->ac_b_ex.fe_len); BUG_ON(extent_logical_end(sbi, &ex) > orig_goal_end); }

diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index e168a9f59600..9a39596d2ac4 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1592,7 +1592,8 @@ static int ext4_flex_group_add(struct super_block *sb, int gdb_num = group / EXT4_DESC_PER_BLOCK(sb); int gdb_num_end = ((group + flex_gd->count - 1) / EXT4_DESC_PER_BLOCK(sb)); - int meta_bg = ext4_has_feature_meta_bg(sb); + int meta_bg = ext4_has_feature_meta_bg(sb) && + gdb_num >= le32_to_cpu(es->s_first_meta_bg); sector_t padding_blocks = meta_bg ? 0 : sbi->s_sbh->b_blocknr - ext4_group_first_block_no(sb, 0);

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 200e1e43ef9b..3b6133c865a2 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -3025,6 +3025,7 @@ static inline void __mark_inode_dirty_flag(struct inode *inode, case FI_INLINE_DOTS: case FI_PIN_FILE: case FI_COMPRESS_RELEASED: + case FI_ATOMIC_COMMITTED: f2fs_mark_inode_dirty_sync(inode, true); } } diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index dfc7fd8aa1e8..7a0143825e19 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -192,6 +192,9 @@ void f2fs_abort_atomic_write(struct inode *inode, bool clean) if (!f2fs_is_atomic_file(inode)) return;

+ if (clean) + truncate_inode_pages_final(inode->i_mapping); + release_atomic_write_cnt(inode); clear_inode_flag(inode, FI_ATOMIC_COMMITTED); clear_inode_flag(inode, FI_ATOMIC_REPLACE); @@ -201,7 +204,6 @@ void f2fs_abort_atomic_write(struct inode *inode, bool clean) F2FS_I(inode)->atomic_write_task = NULL;

if (clean) { - truncate_inode_pages_final(inode->i_mapping); f2fs_i_size_write(inode, fi->original_i_size); fi->original_i_size = 0; } diff --git a/fs/fat/nfs.c b/fs/fat/nfs.c index c52e63e10d35..509eea96a457 100644 --- a/fs/fat/nfs.c +++ b/fs/fat/nfs.c @@ -130,6 +130,12 @@ fat_encode_fh_nostale(struct inode *inode, __u32 *fh, int *lenp, fid->parent_i_gen = parent->i_generation; type = FILEID_FAT_WITH_PARENT; *lenp = FAT_FID_SIZE_WITH_PARENT; + } else { + /* + * We need to initialize this field because the fh is actually + * 12 bytes long + */ + fid->parent_i_pos_hi = 0; }

return type; diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index d19cbf34c634..9307bb4393b8 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -391,6 +391,10 @@ int fuse_lookup_name(struct super_block *sb, u64 nodeid, const struct qstr *name err = -EIO; if (fuse_invalid_attr(&outarg->attr)) goto out_put_forget; + if (outarg->nodeid == FUSE_ROOT_ID && outarg->generation != 0) { + pr_warn_once("root generation should be zero\n"); + outarg->generation = 0; + }

*inode = fuse_iget(sb, outarg->nodeid, outarg->generation, &outarg->attr, ATTR_TIMEOUT(outarg), @@ -1210,7 +1214,7 @@ static int fuse_do_statx(struct inode *inode, struct file *file, if (((sx->mask & STATX_SIZE) && !fuse_valid_size(sx->size)) || ((sx->mask & STATX_TYPE) && (!fuse_valid_type(sx->mode) || inode_wrong_type(inode, sx->mode)))) { - make_bad_inode(inode); + fuse_make_bad(inode); return -EIO; }

diff --git a/fs/fuse/file.c b/fs/fuse/file.c index a660f1f21540..cc9651a01351 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2467,7 +2467,8 @@ static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma) return fuse_dax_mmap(file, vma);

if (ff->open_flags & FOPEN_DIRECT_IO) { - /* Can't provide the coherency needed for MAP_SHARED + /* + * Can't provide the coherency needed for MAP_SHARED * if FUSE_DIRECT_IO_ALLOW_MMAP isn't set. */ if ((vma->vm_flags & VM_MAYSHARE) && !fc->direct_io_allow_mmap) @@ -2475,7 +2476,10 @@ static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma)

invalidate_inode_pages2(file->f_mapping);

- return generic_file_mmap(file, vma); + if (!(vma->vm_flags & VM_MAYSHARE)) { + /* MAP_PRIVATE */ + return generic_file_mmap(file, vma); + } }

if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_MAYWRITE)) diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 1df83eebda92..b5c241e16964 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -939,7 +939,6 @@ static inline bool fuse_stale_inode(const struct inode *inode, int generation,

static inline void fuse_make_bad(struct inode *inode) { - remove_inode_hash(inode); set_bit(FUSE_I_BAD, &get_fuse_inode(inode)->state); }

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 2a6d44f91729..b676c72c62ad 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -469,8 +469,11 @@ struct inode *fuse_iget(struct super_block *sb, u64 nodeid, } else if (fuse_stale_inode(inode, generation, attr)) { /* nodeid was reused, any I/O on the old inode should fail */ fuse_make_bad(inode); - iput(inode); - goto retry; + if (inode != d_inode(sb->s_root)) { + remove_inode_hash(inode); + iput(inode); + goto retry; + } } fi = get_fuse_inode(inode); spin_lock(&fi->lock); diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 5918c67dae0d..b6f801e73bfd 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -668,10 +668,17 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq) LIST_HEAD(mds_list);

nfs_init_cinfo_from_dreq(&cinfo, dreq); + nfs_commit_begin(cinfo.mds); nfs_scan_commit(dreq->inode, &mds_list, &cinfo); res = nfs_generic_commit_list(dreq->inode, &mds_list, 0, &cinfo); - if (res < 0) /* res == -ENOMEM */ - nfs_direct_write_reschedule(dreq); + if (res < 0) { /* res == -ENOMEM */ + spin_lock(&dreq->lock); + if (dreq->flags == 0) + dreq->flags = NFS_ODIRECT_RESCHED_WRITES; + spin_unlock(&dreq->lock); + } + if (nfs_commit_end(cinfo.mds)) + nfs_direct_write_complete(dreq); }

static void nfs_direct_write_clear_reqs(struct nfs_direct_req *dreq) diff --git a/fs/nfs/read.c b/fs/nfs/read.c index 7dc21a48e3e7..a142287d86f6 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -305,6 +305,8 @@ int nfs_read_add_folio(struct nfs_pageio_descriptor *pgio, new = nfs_page_create_from_folio(ctx, folio, 0, aligned_len); if (IS_ERR(new)) { error = PTR_ERR(new); + if (nfs_netfs_folio_unlock(folio)) + folio_unlock(folio); goto out; }

diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 9e345d3c305a..5c2ff4a31a34 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -1663,7 +1663,7 @@ static int wait_on_commit(struct nfs_mds_commit_info *cinfo) !atomic_read(&cinfo->rpcs_out)); }

-static void nfs_commit_begin(struct nfs_mds_commit_info *cinfo) +void nfs_commit_begin(struct nfs_mds_commit_info *cinfo) { atomic_inc(&cinfo->rpcs_out); } diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index fbc0ccb40424..4c7a296c4189 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -843,7 +843,7 @@ DECLARE_EVENT_CLASS(nfsd_clid_class, __array(unsigned char, addr, sizeof(struct sockaddr_in6)) __field(unsigned long, flavor) __array(unsigned char, verifier, NFS4_VERIFIER_SIZE) - __string_len(name, name, clp->cl_name.len) + __string_len(name, clp->cl_name.data, clp->cl_name.len) ), TP_fast_assign( __entry->cl_boot = clp->cl_clientid.cl_boot; diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c index 13592e82eaf6..65659fa0372e 100644 --- a/fs/nilfs2/btree.c +++ b/fs/nilfs2/btree.c @@ -724,7 +724,7 @@ static int nilfs_btree_lookup_contig(const struct nilfs_bmap *btree, dat = nilfs_bmap_get_dat(btree); ret = nilfs_dat_translate(dat, ptr, &blocknr); if (ret < 0) - goto out; + goto dat_error; ptr = blocknr; } cnt = 1; @@ -743,7 +743,7 @@ static int nilfs_btree_lookup_contig(const struct nilfs_bmap *btree, if (dat) { ret = nilfs_dat_translate(dat, ptr2, &blocknr); if (ret < 0) - goto out; + goto dat_error; ptr2 = blocknr; } if (ptr2 != ptr + cnt || ++cnt == maxblocks) @@ -781,6 +781,11 @@ static int nilfs_btree_lookup_contig(const struct nilfs_bmap *btree, out: nilfs_btree_free_path(path); return ret; + + dat_error: + if (ret == -ENOENT) + ret = -EINVAL; /* Notify bmap layer of metadata corruption */ + goto out; }

static void nilfs_btree_promote_key(struct nilfs_bmap *btree, diff --git a/fs/nilfs2/direct.c b/fs/nilfs2/direct.c index 4c85914f2abc..893ab36824cc 100644 --- a/fs/nilfs2/direct.c +++ b/fs/nilfs2/direct.c @@ -66,7 +66,7 @@ static int nilfs_direct_lookup_contig(const struct nilfs_bmap *direct, dat = nilfs_bmap_get_dat(direct); ret = nilfs_dat_translate(dat, ptr, &blocknr); if (ret < 0) - return ret; + goto dat_error; ptr = blocknr; }

@@ -79,7 +79,7 @@ static int nilfs_direct_lookup_contig(const struct nilfs_bmap *direct, if (dat) { ret = nilfs_dat_translate(dat, ptr2, &blocknr); if (ret < 0) - return ret; + goto dat_error; ptr2 = blocknr; } if (ptr2 != ptr + cnt) @@ -87,6 +87,11 @@ static int nilfs_direct_lookup_contig(const struct nilfs_bmap *direct, } *ptrp = ptr; return cnt; + + dat_error: + if (ret == -ENOENT) + ret = -EINVAL; /* Notify bmap layer of metadata corruption */ + return ret; }

static __u64 diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index f861f3a0bf5c..da97149f832f 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -112,7 +112,7 @@ int nilfs_get_block(struct inode *inode, sector_t blkoff, "%s (ino=%lu): a race condition while inserting a data block at offset=%llu", __func__, inode->i_ino, (unsigned long long)blkoff); - err = 0; + err = -EAGAIN; } nilfs_transaction_abort(inode->i_sb); goto out; diff --git a/fs/smb/client/cached_dir.c b/fs/smb/client/cached_dir.c index 5730c65ffb40..15e1215bc4e5 100644 --- a/fs/smb/client/cached_dir.c +++ b/fs/smb/client/cached_dir.c @@ -233,7 +233,8 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon, .tcon = tcon, .path = path, .create_options = cifs_create_options(cifs_sb, CREATE_NOT_FILE), - .desired_access = FILE_READ_DATA | FILE_READ_ATTRIBUTES, + .desired_access = FILE_READ_DATA | FILE_READ_ATTRIBUTES | + FILE_READ_EA, .disposition = FILE_OPEN, .fid = pfid, }; diff --git a/fs/smb/client/cifs_debug.c b/fs/smb/client/cifs_debug.c index 60027f5aebe8..04a6351a9295 100644 --- a/fs/smb/client/cifs_debug.c +++ b/fs/smb/client/cifs_debug.c @@ -488,6 +488,8 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v) ses->ses_count, ses->serverOS, ses->serverNOS, ses->capabilities, ses->ses_status); } + if (ses->expired_pwd) + seq_puts(m, "password no longer valid "); spin_unlock(&ses->ses_lock);

seq_printf(m, "\n\tSecurity type: %s ", diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h index 462554917e5a..35a12413bbee 100644 --- a/fs/smb/client/cifsglob.h +++ b/fs/smb/client/cifsglob.h @@ -339,6 +339,9 @@ struct smb_version_operations { /* informational QFS call */ void (*qfs_tcon)(const unsigned int, struct cifs_tcon *, struct cifs_sb_info *); + /* query for server interfaces */ + int (*query_server_interfaces)(const unsigned int, struct cifs_tcon *, + bool); /* check if a path is accessible or not */ int (*is_path_accessible)(const unsigned int, struct cifs_tcon *, struct cifs_sb_info *, const char *); @@ -1052,6 +1055,7 @@ struct cifs_ses { enum securityEnum sectype; /* what security flavor was specified? */ bool sign; /* is signing required? */ bool domainAuto:1; + bool expired_pwd; /* track if access denied or expired pwd so can know if need to update */ unsigned int flags; __u16 session_flags; __u8 smb3signingkey[SMB3_SIGN_KEY_SIZE]; @@ -1562,6 +1566,7 @@ struct cifsInodeInfo { spinlock_t deferred_lock; /* protection on deferred list */ bool lease_granted; /* Flag to indicate whether lease or oplock is granted. */ char *symlink_target; + __u32 reparse_tag; };

static inline struct cifsInodeInfo * diff --git a/fs/smb/client/cifsproto.h b/fs/smb/client/cifsproto.h index 9516f5732324..13131957d961 100644 --- a/fs/smb/client/cifsproto.h +++ b/fs/smb/client/cifsproto.h @@ -144,7 +144,8 @@ extern int cifs_reconnect(struct TCP_Server_Info *server, extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr); extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *); extern bool backup_cred(struct cifs_sb_info *); -extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof); +extern bool is_size_safe_to_change(struct cifsInodeInfo *cifsInode, __u64 eof, + bool from_readdir); extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset, unsigned int bytes_written); extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, int); @@ -201,7 +202,8 @@ extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb); extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *, struct cifs_sb_info *); -extern int cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr); +extern int cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr, + bool from_readdir); extern struct inode *cifs_iget(struct super_block *sb, struct cifs_fattr *fattr);

@@ -652,7 +654,7 @@ cifs_chan_is_iface_active(struct cifs_ses *ses, struct TCP_Server_Info *server); void cifs_disable_secondary_channels(struct cifs_ses *ses); -int +void cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server); int SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon, bool in_mount); diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c index c3d805ecb7f1..bc8d09bab18b 100644 --- a/fs/smb/client/connect.c +++ b/fs/smb/client/connect.c @@ -123,12 +123,16 @@ static void smb2_query_server_interfaces(struct work_struct *work) struct cifs_tcon *tcon = container_of(work, struct cifs_tcon, query_interfaces.work); + struct TCP_Server_Info *server = tcon->ses->server;

/* * query server network interfaces, in case they change */ + if (!server->ops->query_server_interfaces) + return; + xid = get_xid(); - rc = SMB3_request_interfaces(xid, tcon, false); + rc = server->ops->query_server_interfaces(xid, tcon, false); free_xid(xid);

if (rc) { diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c index c156460eb558..c711d5eb2987 100644 --- a/fs/smb/client/file.c +++ b/fs/smb/client/file.c @@ -329,7 +329,7 @@ int cifs_posix_open(const char *full_path, struct inode **pinode, } } else { cifs_revalidate_mapping(*pinode); - rc = cifs_fattr_to_inode(*pinode, &fattr); + rc = cifs_fattr_to_inode(*pinode, &fattr, false); }

posix_open_ret: @@ -4766,12 +4766,14 @@ static int is_inode_writable(struct cifsInodeInfo *cifs_inode) refreshing the inode only on increases in the file size but this is tricky to do without racing with writebehind page caching in the current Linux kernel design */ -bool is_size_safe_to_change(struct cifsInodeInfo *cifsInode, __u64 end_of_file) +bool is_size_safe_to_change(struct cifsInodeInfo *cifsInode, __u64 end_of_file, + bool from_readdir) { if (!cifsInode) return true;

- if (is_inode_writable(cifsInode)) { + if (is_inode_writable(cifsInode) || + ((cifsInode->oplock & CIFS_CACHE_RW_FLG) != 0 && from_readdir)) { /* This inode is open for write at least once */ struct cifs_sb_info *cifs_sb;

diff --git a/fs/smb/client/fs_context.c b/fs/smb/client/fs_context.c index 6ecbf48d0f0c..e4a6b240d226 100644 --- a/fs/smb/client/fs_context.c +++ b/fs/smb/client/fs_context.c @@ -771,7 +771,7 @@ static void smb3_fs_context_free(struct fs_context *fc) */ static int smb3_verify_reconfigure_ctx(struct fs_context *fc, struct smb3_fs_context *new_ctx, - struct smb3_fs_context *old_ctx) + struct smb3_fs_context *old_ctx, bool need_recon) { if (new_ctx->posix_paths != old_ctx->posix_paths) { cifs_errorf(fc, "can not change posixpaths during remount\n"); @@ -797,8 +797,15 @@ static int smb3_verify_reconfigure_ctx(struct fs_context *fc, } if (new_ctx->password && (!old_ctx->password || strcmp(new_ctx->password, old_ctx->password))) { - cifs_errorf(fc, "can not change password during remount\n"); - return -EINVAL; + if (need_recon == false) { + cifs_errorf(fc, + "can not change password of active session during remount\n"); + return -EINVAL; + } else if (old_ctx->sectype == Kerberos) { + cifs_errorf(fc, + "can not change password for Kerberos via remount\n"); + return -EINVAL; + } } if (new_ctx->domainname && (!old_ctx->domainname || strcmp(new_ctx->domainname, old_ctx->domainname))) { @@ -842,9 +849,14 @@ static int smb3_reconfigure(struct fs_context *fc) struct smb3_fs_context *ctx = smb3_fc2context(fc); struct dentry *root = fc->root; struct cifs_sb_info *cifs_sb = CIFS_SB(root->d_sb); + struct cifs_ses *ses = cifs_sb_master_tcon(cifs_sb)->ses; + bool need_recon = false; int rc;

- rc = smb3_verify_reconfigure_ctx(fc, ctx, cifs_sb->ctx); + if (ses->expired_pwd) + need_recon = true; + + rc = smb3_verify_reconfigure_ctx(fc, ctx, cifs_sb->ctx, need_recon); if (rc) return rc;

@@ -857,7 +869,12 @@ static int smb3_reconfigure(struct fs_context *fc) STEAL_STRING(cifs_sb, ctx, UNC); STEAL_STRING(cifs_sb, ctx, source); STEAL_STRING(cifs_sb, ctx, username); - STEAL_STRING_SENSITIVE(cifs_sb, ctx, password); + if (need_recon == false) + STEAL_STRING_SENSITIVE(cifs_sb, ctx, password); + else { + kfree_sensitive(ses->password); + ses->password = kstrdup(ctx->password, GFP_KERNEL); + } STEAL_STRING(cifs_sb, ctx, domainname); STEAL_STRING(cifs_sb, ctx, nodename); STEAL_STRING(cifs_sb, ctx, iocharset); diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c index eb54e4893777..cb9e719e67ae 100644 --- a/fs/smb/client/inode.c +++ b/fs/smb/client/inode.c @@ -147,7 +147,8 @@ cifs_nlink_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)

/* populate an inode with info from a cifs_fattr struct */ int -cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) +cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr, + bool from_readdir) { struct cifsInodeInfo *cifs_i = CIFS_I(inode); struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); @@ -182,6 +183,7 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) inode->i_mode = fattr->cf_mode;

cifs_i->cifsAttrs = fattr->cf_cifsattrs; + cifs_i->reparse_tag = fattr->cf_cifstag;

if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL) cifs_i->time = 0; @@ -198,7 +200,7 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) * Can't safely change the file size here if the client is writing to * it due to potential races. */ - if (is_size_safe_to_change(cifs_i, fattr->cf_eof)) { + if (is_size_safe_to_change(cifs_i, fattr->cf_eof, from_readdir)) { i_size_write(inode, fattr->cf_eof);

/* @@ -209,7 +211,7 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) inode->i_blocks = (512 - 1 + fattr->cf_bytes) >> 9; }

- if (S_ISLNK(fattr->cf_mode)) { + if (S_ISLNK(fattr->cf_mode) && fattr->cf_symlink_target) { kfree(cifs_i->symlink_target); cifs_i->symlink_target = fattr->cf_symlink_target; fattr->cf_symlink_target = NULL; @@ -367,7 +369,7 @@ static int update_inode_info(struct super_block *sb, CIFS_I(*inode)->time = 0; /* force reval */ return -ESTALE; } - return cifs_fattr_to_inode(*inode, fattr); + return cifs_fattr_to_inode(*inode, fattr, false); }

#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY @@ -402,7 +404,7 @@ cifs_get_file_info_unix(struct file *filp) } else goto cifs_gfiunix_out;

- rc = cifs_fattr_to_inode(inode, &fattr); + rc = cifs_fattr_to_inode(inode, &fattr, false);

cifs_gfiunix_out: free_xid(xid); @@ -927,7 +929,7 @@ cifs_get_file_info(struct file *filp) fattr.cf_uniqueid = CIFS_I(inode)->uniqueid; fattr.cf_flags |= CIFS_FATTR_NEED_REVAL; /* if filetype is different, return error */ - rc = cifs_fattr_to_inode(inode, &fattr); + rc = cifs_fattr_to_inode(inode, &fattr, false); cgfi_exit: cifs_free_open_info(&data); free_xid(xid); @@ -1103,6 +1105,7 @@ static int reparse_info_to_fattr(struct cifs_open_info_data *data,

cifs_open_info_to_fattr(fattr, data, sb); out: + fattr->cf_cifstag = data->reparse.tag; free_rsp_buf(rsp_buftype, rsp_iov.iov_base); return rc; } @@ -1465,7 +1468,7 @@ cifs_iget(struct super_block *sb, struct cifs_fattr *fattr) }

/* can't fail - see cifs_find_inode() */ - cifs_fattr_to_inode(inode, fattr); + cifs_fattr_to_inode(inode, fattr, false); if (sb->s_flags & SB_NOATIME) inode->i_flags |= S_NOATIME | S_NOCMTIME; if (inode->i_state & I_NEW) { diff --git a/fs/smb/client/readdir.c b/fs/smb/client/readdir.c index e23cd216bffb..56033e4e4bae 100644 --- a/fs/smb/client/readdir.c +++ b/fs/smb/client/readdir.c @@ -55,6 +55,23 @@ static inline void dump_cifs_file_struct(struct file *file, char *label) } #endif /* DEBUG2 */

+/* + * Match a reparse point inode if reparse tag and ctime haven't changed. + * + * Windows Server updates ctime of reparse points when their data have changed. + * The server doesn't allow changing reparse tags from existing reparse points, + * though it's worth checking. + */ +static inline bool reparse_inode_match(struct inode *inode, + struct cifs_fattr *fattr) +{ + struct timespec64 ctime = inode_get_ctime(inode); + + return (CIFS_I(inode)->cifsAttrs & ATTR_REPARSE) && + CIFS_I(inode)->reparse_tag == fattr->cf_cifstag && + timespec64_equal(&ctime, &fattr->cf_ctime); +} + /* * Attempt to preload the dcache with the results from the FIND_FIRST/NEXT * @@ -71,6 +88,7 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name, struct super_block *sb = parent->d_sb; struct cifs_sb_info *cifs_sb = CIFS_SB(sb); DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wq); + int rc;

cifs_dbg(FYI, "%s: for %s\n", __func__, name->name);

@@ -82,9 +100,11 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name, * We'll end up doing an on the wire call either way and * this spares us an invalidation. */ - if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL) - return; retry: + if ((fattr->cf_cifsattrs & ATTR_REPARSE) || + (fattr->cf_flags & CIFS_FATTR_NEED_REVAL)) + return; + dentry = d_alloc_parallel(parent, name, &wq); } if (IS_ERR(dentry)) @@ -104,12 +124,34 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name, if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) fattr->cf_uniqueid = CIFS_I(inode)->uniqueid;

- /* update inode in place - * if both i_ino and i_mode didn't change */ - if (CIFS_I(inode)->uniqueid == fattr->cf_uniqueid && - cifs_fattr_to_inode(inode, fattr) == 0) { - dput(dentry); - return; + /* + * Update inode in place if both i_ino and i_mode didn't + * change. + */ + if (CIFS_I(inode)->uniqueid == fattr->cf_uniqueid) { + /* + * Query dir responses don't provide enough + * information about reparse points other than + * their reparse tags. Save an invalidation by + * not clobbering the existing mode, size and + * symlink target (if any) when reparse tag and + * ctime haven't changed. + */ + rc = 0; + if (fattr->cf_cifsattrs & ATTR_REPARSE) { + if (likely(reparse_inode_match(inode, fattr))) { + fattr->cf_mode = inode->i_mode; + fattr->cf_eof = CIFS_I(inode)->server_eof; + fattr->cf_symlink_target = NULL; + } else { + CIFS_I(inode)->time = 0; + rc = -ESTALE; + } + } + if (!rc && !cifs_fattr_to_inode(inode, fattr, true)) { + dput(dentry); + return; + } } } d_invalidate(dentry); @@ -127,29 +169,6 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name, dput(dentry); }

-static bool reparse_file_needs_reval(const struct cifs_fattr *fattr) -{ - if (!(fattr->cf_cifsattrs & ATTR_REPARSE)) - return false; - /* - * The DFS tags should be only intepreted by server side as per - * MS-FSCC 2.1.2.1, but let's include them anyway. - * - * Besides, if cf_cifstag is unset (0), then we still need it to be - * revalidated to know exactly what reparse point it is. - */ - switch (fattr->cf_cifstag) { - case IO_REPARSE_TAG_DFS: - case IO_REPARSE_TAG_DFSR: - case IO_REPARSE_TAG_SYMLINK: - case IO_REPARSE_TAG_NFS: - case IO_REPARSE_TAG_MOUNT_POINT: - case 0: - return true; - } - return false; -} - static void cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb) { @@ -181,14 +200,6 @@ cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb) }

out_reparse: - /* - * We need to revalidate it further to make a decision about whether it - * is a symbolic link, DFS referral or a reparse point with a direct - * access like junctions, deduplicated files, NFS symlinks. - */ - if (reparse_file_needs_reval(fattr)) - fattr->cf_flags |= CIFS_FATTR_NEED_REVAL; - /* non-unix readdir doesn't provide nlink */ fattr->cf_flags |= CIFS_FATTR_UNKNOWN_NLINK;

@@ -269,9 +280,6 @@ cifs_posix_to_fattr(struct cifs_fattr *fattr, struct smb2_posix_info *info, fattr->cf_dtype = DT_REG; }

- if (reparse_file_needs_reval(fattr)) - fattr->cf_flags |= CIFS_FATTR_NEED_REVAL; - sid_to_id(cifs_sb, &parsed.owner, fattr, SIDOWNER); sid_to_id(cifs_sb, &parsed.group, fattr, SIDGROUP); } @@ -333,38 +341,6 @@ cifs_std_info_to_fattr(struct cifs_fattr *fattr, FIND_FILE_STANDARD_INFO *info, cifs_fill_common_info(fattr, cifs_sb); }

-/* BB eventually need to add the following helper function to - resolve NT_STATUS_STOPPED_ON_SYMLINK return code when - we try to do FindFirst on (NTFS) directory symlinks */ -/* -int get_symlink_reparse_path(char *full_path, struct cifs_sb_info *cifs_sb, - unsigned int xid) -{ - __u16 fid; - int len; - int oplock = 0; - int rc; - struct cifs_tcon *ptcon = cifs_sb_tcon(cifs_sb); - char *tmpbuffer; - - rc = CIFSSMBOpen(xid, ptcon, full_path, FILE_OPEN, GENERIC_READ, - OPEN_REPARSE_POINT, &fid, &oplock, NULL, - cifs_sb->local_nls, - cifs_remap(cifs_sb); - if (!rc) { - tmpbuffer = kmalloc(maxpath); - rc = CIFSSMBQueryReparseLinkInfo(xid, ptcon, full_path, - tmpbuffer, - maxpath -1, - fid, - cifs_sb->local_nls); - if (CIFSSMBClose(xid, ptcon, fid)) { - cifs_dbg(FYI, "Error closing temporary reparsepoint open\n"); - } - } -} - */ - static int _initiate_cifs_search(const unsigned int xid, struct file *file, const char *full_path) @@ -433,13 +409,10 @@ _initiate_cifs_search(const unsigned int xid, struct file *file, &cifsFile->fid, search_flags, &cifsFile->srch_inf);

- if (rc == 0) + if (rc == 0) { cifsFile->invalidHandle = false; - /* BB add following call to handle readdir on new NTFS symlink errors - else if STATUS_STOPPED_ON_SYMLINK - call get_symlink_reparse_path and retry with new path */ - else if ((rc == -EOPNOTSUPP) && - (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) { + } else if ((rc == -EOPNOTSUPP) && + (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) { cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_SERVER_INUM; goto ffirst_retry; } diff --git a/fs/smb/client/sess.c b/fs/smb/client/sess.c index 94c5d50aa347..5de32640f026 100644 --- a/fs/smb/client/sess.c +++ b/fs/smb/client/sess.c @@ -230,7 +230,7 @@ int cifs_try_adding_channels(struct cifs_ses *ses) spin_lock(&ses->iface_lock); if (!ses->iface_count) { spin_unlock(&ses->iface_lock); - cifs_dbg(VFS, "server %s does not advertise interfaces\n", + cifs_dbg(ONCE, "server %s does not advertise interfaces\n", ses->server->hostname); break; } @@ -361,10 +361,9 @@ cifs_disable_secondary_channels(struct cifs_ses *ses)

/* * update the iface for the channel if necessary. - * will return 0 when iface is updated, 1 if removed, 2 otherwise * Must be called with chan_lock held. */ -int +void cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server) { unsigned int chan_index; @@ -373,20 +372,19 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server) struct cifs_server_iface *old_iface = NULL; struct cifs_server_iface *last_iface = NULL; struct sockaddr_storage ss; - int rc = 0;

spin_lock(&ses->chan_lock); chan_index = cifs_ses_get_chan_index(ses, server); if (chan_index == CIFS_INVAL_CHAN_INDEX) { spin_unlock(&ses->chan_lock); - return 0; + return; }

if (ses->chans[chan_index].iface) { old_iface = ses->chans[chan_index].iface; if (old_iface->is_active) { spin_unlock(&ses->chan_lock); - return 1; + return; } } spin_unlock(&ses->chan_lock); @@ -398,8 +396,8 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server) spin_lock(&ses->iface_lock); if (!ses->iface_count) { spin_unlock(&ses->iface_lock); - cifs_dbg(VFS, "server %s does not advertise interfaces\n", ses->server->hostname); - return 0; + cifs_dbg(ONCE, "server %s does not advertise interfaces\n", ses->server->hostname); + return; }

last_iface = list_last_entry(&ses->iface_list, struct cifs_server_iface, @@ -439,7 +437,6 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server) }

if (list_entry_is_head(iface, &ses->iface_list, iface_head)) { - rc = 1; iface = NULL; cifs_dbg(FYI, "unable to find a suitable iface\n"); } @@ -454,7 +451,7 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server) }

spin_unlock(&ses->iface_lock); - return 0; + return; }

/* now drop the ref to the current iface */ @@ -472,28 +469,24 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server) kref_put(&old_iface->refcount, release_iface); } else if (!chan_index) { /* special case: update interface for primary channel */ - if (iface) { - cifs_dbg(FYI, "referencing primary channel iface: %pIS\n", - &iface->sockaddr); - iface->num_channels++; - iface->weight_fulfilled++; - } + cifs_dbg(FYI, "referencing primary channel iface: %pIS\n", + &iface->sockaddr); + iface->num_channels++; + iface->weight_fulfilled++; } spin_unlock(&ses->iface_lock);

- if (iface) { - spin_lock(&ses->chan_lock); - chan_index = cifs_ses_get_chan_index(ses, server); - if (chan_index == CIFS_INVAL_CHAN_INDEX) { - spin_unlock(&ses->chan_lock); - return 0; - } - - ses->chans[chan_index].iface = iface; + spin_lock(&ses->chan_lock); + chan_index = cifs_ses_get_chan_index(ses, server); + if (chan_index == CIFS_INVAL_CHAN_INDEX) { spin_unlock(&ses->chan_lock); + return; }

- return rc; + ses->chans[chan_index].iface = iface; + spin_unlock(&ses->chan_lock); + + return; }

/* diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c index ba734395b036..4852afe3929b 100644 --- a/fs/smb/client/smb2ops.c +++ b/fs/smb/client/smb2ops.c @@ -5429,6 +5429,7 @@ struct smb_version_operations smb30_operations = { .tree_connect = SMB2_tcon, .tree_disconnect = SMB2_tdis, .qfs_tcon = smb3_qfs_tcon, + .query_server_interfaces = SMB3_request_interfaces, .is_path_accessible = smb2_is_path_accessible, .can_echo = smb2_can_echo, .echo = SMB2_echo, @@ -5543,6 +5544,7 @@ struct smb_version_operations smb311_operations = { .tree_connect = SMB2_tcon, .tree_disconnect = SMB2_tdis, .qfs_tcon = smb3_qfs_tcon, + .query_server_interfaces = SMB3_request_interfaces, .is_path_accessible = smb2_is_path_accessible, .can_echo = smb2_can_echo, .echo = SMB2_echo, diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c index 9d34a55fdb5e..4d7d0bdf7a47 100644 --- a/fs/smb/client/smb2pdu.c +++ b/fs/smb/client/smb2pdu.c @@ -409,14 +409,15 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon, spin_unlock(&ses->ses_lock);

if (!rc && - (server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL)) { + (server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL) && + server->ops->query_server_interfaces) { mutex_unlock(&ses->session_mutex);

/* * query server network interfaces, in case they change */ xid = get_xid(); - rc = SMB3_request_interfaces(xid, tcon, false); + rc = server->ops->query_server_interfaces(xid, tcon, false); free_xid(xid);

if (rc == -EOPNOTSUPP && ses->chan_count > 1) { @@ -1536,6 +1537,11 @@ SMB2_sess_sendreceive(struct SMB2_sess_data *sess_data) &sess_data->buf0_type, CIFS_LOG_ERROR | CIFS_SESS_OP, &rsp_iov); cifs_small_buf_release(sess_data->iov[0].iov_base); + if (rc == 0) + sess_data->ses->expired_pwd = false; + else if ((rc == -EACCES) || (rc == -EKEYEXPIRED) || (rc == -EKEYREVOKED)) + sess_data->ses->expired_pwd = true; + memcpy(&sess_data->iov[0], &rsp_iov, sizeof(struct kvec));

return rc; diff --git a/fs/smb/server/smb2misc.c b/fs/smb/server/smb2misc.c index 03dded29a980..727cb49926ee 100644 --- a/fs/smb/server/smb2misc.c +++ b/fs/smb/server/smb2misc.c @@ -101,13 +101,17 @@ static int smb2_get_data_area_len(unsigned int *off, unsigned int *len, *len = le16_to_cpu(((struct smb2_sess_setup_req *)hdr)->SecurityBufferLength); break; case SMB2_TREE_CONNECT: - *off = le16_to_cpu(((struct smb2_tree_connect_req *)hdr)->PathOffset); + *off = max_t(unsigned short int, + le16_to_cpu(((struct smb2_tree_connect_req *)hdr)->PathOffset), + offsetof(struct smb2_tree_connect_req, Buffer)); *len = le16_to_cpu(((struct smb2_tree_connect_req *)hdr)->PathLength); break; case SMB2_CREATE: { unsigned short int name_off = - le16_to_cpu(((struct smb2_create_req *)hdr)->NameOffset); + max_t(unsigned short int, + le16_to_cpu(((struct smb2_create_req *)hdr)->NameOffset), + offsetof(struct smb2_create_req, Buffer)); unsigned short int name_len = le16_to_cpu(((struct smb2_create_req *)hdr)->NameLength);

@@ -128,11 +132,15 @@ static int smb2_get_data_area_len(unsigned int *off, unsigned int *len, break; } case SMB2_QUERY_INFO: - *off = le16_to_cpu(((struct smb2_query_info_req *)hdr)->InputBufferOffset); + *off = max_t(unsigned int, + le16_to_cpu(((struct smb2_query_info_req *)hdr)->InputBufferOffset), + offsetof(struct smb2_query_info_req, Buffer)); *len = le32_to_cpu(((struct smb2_query_info_req *)hdr)->InputBufferLength); break; case SMB2_SET_INFO: - *off = le16_to_cpu(((struct smb2_set_info_req *)hdr)->BufferOffset); + *off = max_t(unsigned int, + le16_to_cpu(((struct smb2_set_info_req *)hdr)->BufferOffset), + offsetof(struct smb2_set_info_req, Buffer)); *len = le32_to_cpu(((struct smb2_set_info_req *)hdr)->BufferLength); break; case SMB2_READ: @@ -142,7 +150,7 @@ static int smb2_get_data_area_len(unsigned int *off, unsigned int *len, case SMB2_WRITE: if (((struct smb2_write_req *)hdr)->DataOffset || ((struct smb2_write_req *)hdr)->Length) { - *off = max_t(unsigned int, + *off = max_t(unsigned short int, le16_to_cpu(((struct smb2_write_req *)hdr)->DataOffset), offsetof(struct smb2_write_req, Buffer)); *len = le32_to_cpu(((struct smb2_write_req *)hdr)->Length); @@ -153,7 +161,9 @@ static int smb2_get_data_area_len(unsigned int *off, unsigned int *len, *len = le16_to_cpu(((struct smb2_write_req *)hdr)->WriteChannelInfoLength); break; case SMB2_QUERY_DIRECTORY: - *off = le16_to_cpu(((struct smb2_query_directory_req *)hdr)->FileNameOffset); + *off = max_t(unsigned short int, + le16_to_cpu(((struct smb2_query_directory_req *)hdr)->FileNameOffset), + offsetof(struct smb2_query_directory_req, Buffer)); *len = le16_to_cpu(((struct smb2_query_directory_req *)hdr)->FileNameLength); break; case SMB2_LOCK: @@ -168,7 +178,9 @@ static int smb2_get_data_area_len(unsigned int *off, unsigned int *len, break; } case SMB2_IOCTL: - *off = le32_to_cpu(((struct smb2_ioctl_req *)hdr)->InputOffset); + *off = max_t(unsigned int, + le32_to_cpu(((struct smb2_ioctl_req *)hdr)->InputOffset), + offsetof(struct smb2_ioctl_req, Buffer)); *len = le32_to_cpu(((struct smb2_ioctl_req *)hdr)->InputCount); break; default: diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index 0c97d3c86072..88db6e207e0e 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -1951,7 +1951,7 @@ int smb2_tree_connect(struct ksmbd_work *work)

WORK_BUFFERS(work, req, rsp);

- treename = smb_strndup_from_utf16(req->Buffer, + treename = smb_strndup_from_utf16((char *)req + le16_to_cpu(req->PathOffset), le16_to_cpu(req->PathLength), true, conn->local_nls); if (IS_ERR(treename)) { @@ -2704,7 +2704,7 @@ int smb2_open(struct ksmbd_work *work) goto err_out2; }

- name = smb2_get_name(req->Buffer, + name = smb2_get_name((char *)req + le16_to_cpu(req->NameOffset), le16_to_cpu(req->NameLength), work->conn->local_nls); if (IS_ERR(name)) { @@ -3828,11 +3828,16 @@ static int process_query_dir_entries(struct smb2_query_dir_private *priv) }

ksmbd_kstat.kstat = &kstat; - if (priv->info_level != FILE_NAMES_INFORMATION) - ksmbd_vfs_fill_dentry_attrs(priv->work, - idmap, - dent, - &ksmbd_kstat); + if (priv->info_level != FILE_NAMES_INFORMATION) { + rc = ksmbd_vfs_fill_dentry_attrs(priv->work, + idmap, + dent, + &ksmbd_kstat); + if (rc) { + dput(dent); + continue; + } + }

rc = smb2_populate_readdir_entry(priv->work->conn, priv->info_level, @@ -4075,7 +4080,7 @@ int smb2_query_dir(struct ksmbd_work *work) }

srch_flag = req->Flags; - srch_ptr = smb_strndup_from_utf16(req->Buffer, + srch_ptr = smb_strndup_from_utf16((char *)req + le16_to_cpu(req->FileNameOffset), le16_to_cpu(req->FileNameLength), 1, conn->local_nls); if (IS_ERR(srch_ptr)) { @@ -4335,7 +4340,8 @@ static int smb2_get_ea(struct ksmbd_work *work, struct ksmbd_file *fp, sizeof(struct smb2_ea_info_req)) return -EINVAL;

- ea_req = (struct smb2_ea_info_req *)req->Buffer; + ea_req = (struct smb2_ea_info_req *)((char *)req + + le16_to_cpu(req->InputBufferOffset)); } else { /* need to send all EAs, if no specific EA is requested*/ if (le32_to_cpu(req->Flags) & SL_RETURN_SINGLE_ENTRY) @@ -4480,6 +4486,7 @@ static int get_file_basic_info(struct smb2_query_info_rsp *rsp, struct smb2_file_basic_info *basic_info; struct kstat stat; u64 time; + int ret;

if (!(fp->daccess & FILE_READ_ATTRIBUTES_LE)) { pr_err("no right to read the attributes : 0x%x\n", @@ -4487,9 +4494,12 @@ static int get_file_basic_info(struct smb2_query_info_rsp *rsp, return -EACCES; }

+ ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS, + AT_STATX_SYNC_AS_STAT); + if (ret) + return ret; + basic_info = (struct smb2_file_basic_info *)rsp->Buffer; - generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, - file_inode(fp->filp), &stat); basic_info->CreationTime = cpu_to_le64(fp->create_time); time = ksmbd_UnixTimeToNT(stat.atime); basic_info->LastAccessTime = cpu_to_le64(time); @@ -4504,27 +4514,31 @@ static int get_file_basic_info(struct smb2_query_info_rsp *rsp, return 0; }

-static void get_file_standard_info(struct smb2_query_info_rsp *rsp, - struct ksmbd_file *fp, void *rsp_org) +static int get_file_standard_info(struct smb2_query_info_rsp *rsp, + struct ksmbd_file *fp, void *rsp_org) { struct smb2_file_standard_info *sinfo; unsigned int delete_pending; - struct inode *inode; struct kstat stat; + int ret;

- inode = file_inode(fp->filp); - generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, inode, &stat); + ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS, + AT_STATX_SYNC_AS_STAT); + if (ret) + return ret;

sinfo = (struct smb2_file_standard_info *)rsp->Buffer; delete_pending = ksmbd_inode_pending_delete(fp);

- sinfo->AllocationSize = cpu_to_le64(inode->i_blocks << 9); + sinfo->AllocationSize = cpu_to_le64(stat.blocks << 9); sinfo->EndOfFile = S_ISDIR(stat.mode) ? 0 : cpu_to_le64(stat.size); sinfo->NumberOfLinks = cpu_to_le32(get_nlink(&stat) - delete_pending); sinfo->DeletePending = delete_pending; sinfo->Directory = S_ISDIR(stat.mode) ? 1 : 0; rsp->OutputBufferLength = cpu_to_le32(sizeof(struct smb2_file_standard_info)); + + return 0; }

static void get_file_alignment_info(struct smb2_query_info_rsp *rsp, @@ -4546,11 +4560,11 @@ static int get_file_all_info(struct ksmbd_work *work, struct ksmbd_conn *conn = work->conn; struct smb2_file_all_info *file_info; unsigned int delete_pending; - struct inode *inode; struct kstat stat; int conv_len; char *filename; u64 time; + int ret;

if (!(fp->daccess & FILE_READ_ATTRIBUTES_LE)) { ksmbd_debug(SMB, "no right to read the attributes : 0x%x\n", @@ -4562,8 +4576,10 @@ static int get_file_all_info(struct ksmbd_work *work, if (IS_ERR(filename)) return PTR_ERR(filename);

- inode = file_inode(fp->filp); - generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, inode, &stat); + ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS, + AT_STATX_SYNC_AS_STAT); + if (ret) + return ret;

ksmbd_debug(SMB, "filename = %s\n", filename); delete_pending = ksmbd_inode_pending_delete(fp); @@ -4579,7 +4595,7 @@ static int get_file_all_info(struct ksmbd_work *work, file_info->Attributes = fp->f_ci->m_fattr; file_info->Pad1 = 0; file_info->AllocationSize = - cpu_to_le64(inode->i_blocks << 9); + cpu_to_le64(stat.blocks << 9); file_info->EndOfFile = S_ISDIR(stat.mode) ? 0 : cpu_to_le64(stat.size); file_info->NumberOfLinks = cpu_to_le32(get_nlink(&stat) - delete_pending); @@ -4623,10 +4639,10 @@ static void get_file_alternate_info(struct ksmbd_work *work, cpu_to_le32(sizeof(struct smb2_file_alt_name_info) + conv_len); }

-static void get_file_stream_info(struct ksmbd_work *work, - struct smb2_query_info_rsp *rsp, - struct ksmbd_file *fp, - void *rsp_org) +static int get_file_stream_info(struct ksmbd_work *work, + struct smb2_query_info_rsp *rsp, + struct ksmbd_file *fp, + void *rsp_org) { struct ksmbd_conn *conn = work->conn; struct smb2_file_stream_info *file_info; @@ -4637,9 +4653,13 @@ static void get_file_stream_info(struct ksmbd_work *work, int nbytes = 0, streamlen, stream_name_len, next, idx = 0; int buf_free_len; struct smb2_query_info_req *req = ksmbd_req_buf_next(work); + int ret; + + ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS, + AT_STATX_SYNC_AS_STAT); + if (ret) + return ret;

- generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, - file_inode(fp->filp), &stat); file_info = (struct smb2_file_stream_info *)rsp->Buffer;

buf_free_len = @@ -4720,29 +4740,37 @@ static void get_file_stream_info(struct ksmbd_work *work, kvfree(xattr_list);

rsp->OutputBufferLength = cpu_to_le32(nbytes); + + return 0; }

-static void get_file_internal_info(struct smb2_query_info_rsp *rsp, - struct ksmbd_file *fp, void *rsp_org) +static int get_file_internal_info(struct smb2_query_info_rsp *rsp, + struct ksmbd_file *fp, void *rsp_org) { struct smb2_file_internal_info *file_info; struct kstat stat; + int ret; + + ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS, + AT_STATX_SYNC_AS_STAT); + if (ret) + return ret;

- generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, - file_inode(fp->filp), &stat); file_info = (struct smb2_file_internal_info *)rsp->Buffer; file_info->IndexNumber = cpu_to_le64(stat.ino); rsp->OutputBufferLength = cpu_to_le32(sizeof(struct smb2_file_internal_info)); + + return 0; }

static int get_file_network_open_info(struct smb2_query_info_rsp *rsp, struct ksmbd_file *fp, void *rsp_org) { struct smb2_file_ntwrk_info *file_info; - struct inode *inode; struct kstat stat; u64 time; + int ret;

if (!(fp->daccess & FILE_READ_ATTRIBUTES_LE)) { pr_err("no right to read the attributes : 0x%x\n", @@ -4750,10 +4778,12 @@ static int get_file_network_open_info(struct smb2_query_info_rsp *rsp, return -EACCES; }

- file_info = (struct smb2_file_ntwrk_info *)rsp->Buffer; + ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS, + AT_STATX_SYNC_AS_STAT); + if (ret) + return ret;

- inode = file_inode(fp->filp); - generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, inode, &stat); + file_info = (struct smb2_file_ntwrk_info *)rsp->Buffer;

file_info->CreationTime = cpu_to_le64(fp->create_time); time = ksmbd_UnixTimeToNT(stat.atime); @@ -4763,8 +4793,7 @@ static int get_file_network_open_info(struct smb2_query_info_rsp *rsp, time = ksmbd_UnixTimeToNT(stat.ctime); file_info->ChangeTime = cpu_to_le64(time); file_info->Attributes = fp->f_ci->m_fattr; - file_info->AllocationSize = - cpu_to_le64(inode->i_blocks << 9); + file_info->AllocationSize = cpu_to_le64(stat.blocks << 9); file_info->EndOfFile = S_ISDIR(stat.mode) ? 0 : cpu_to_le64(stat.size); file_info->Reserved = cpu_to_le32(0); rsp->OutputBufferLength = @@ -4804,14 +4833,17 @@ static void get_file_mode_info(struct smb2_query_info_rsp *rsp, cpu_to_le32(sizeof(struct smb2_file_mode_info)); }

-static void get_file_compression_info(struct smb2_query_info_rsp *rsp, - struct ksmbd_file *fp, void *rsp_org) +static int get_file_compression_info(struct smb2_query_info_rsp *rsp, + struct ksmbd_file *fp, void *rsp_org) { struct smb2_file_comp_info *file_info; struct kstat stat; + int ret;

- generic_fillattr(file_mnt_idmap(fp->filp), STATX_BASIC_STATS, - file_inode(fp->filp), &stat); + ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS, + AT_STATX_SYNC_AS_STAT); + if (ret) + return ret;

file_info = (struct smb2_file_comp_info *)rsp->Buffer; file_info->CompressedFileSize = cpu_to_le64(stat.blocks << 9); @@ -4823,6 +4855,8 @@ static void get_file_compression_info(struct smb2_query_info_rsp *rsp,

rsp->OutputBufferLength = cpu_to_le32(sizeof(struct smb2_file_comp_info)); + + return 0; }

static int get_file_attribute_tag_info(struct smb2_query_info_rsp *rsp, @@ -4844,7 +4878,7 @@ static int get_file_attribute_tag_info(struct smb2_query_info_rsp *rsp, return 0; }

-static void find_file_posix_info(struct smb2_query_info_rsp *rsp, +static int find_file_posix_info(struct smb2_query_info_rsp *rsp, struct ksmbd_file *fp, void *rsp_org) { struct smb311_posix_qinfo *file_info; @@ -4852,24 +4886,31 @@ static void find_file_posix_info(struct smb2_query_info_rsp *rsp, struct mnt_idmap *idmap = file_mnt_idmap(fp->filp); vfsuid_t vfsuid = i_uid_into_vfsuid(idmap, inode); vfsgid_t vfsgid = i_gid_into_vfsgid(idmap, inode); + struct kstat stat; u64 time; int out_buf_len = sizeof(struct smb311_posix_qinfo) + 32; + int ret; + + ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS, + AT_STATX_SYNC_AS_STAT); + if (ret) + return ret;

file_info = (struct smb311_posix_qinfo *)rsp->Buffer; file_info->CreationTime = cpu_to_le64(fp->create_time); - time = ksmbd_UnixTimeToNT(inode_get_atime(inode)); + time = ksmbd_UnixTimeToNT(stat.atime); file_info->LastAccessTime = cpu_to_le64(time); - time = ksmbd_UnixTimeToNT(inode_get_mtime(inode)); + time = ksmbd_UnixTimeToNT(stat.mtime); file_info->LastWriteTime = cpu_to_le64(time); - time = ksmbd_UnixTimeToNT(inode_get_ctime(inode)); + time = ksmbd_UnixTimeToNT(stat.ctime); file_info->ChangeTime = cpu_to_le64(time); file_info->DosAttributes = fp->f_ci->m_fattr; - file_info->Inode = cpu_to_le64(inode->i_ino); - file_info->EndOfFile = cpu_to_le64(inode->i_size); - file_info->AllocationSize = cpu_to_le64(inode->i_blocks << 9); - file_info->HardLinks = cpu_to_le32(inode->i_nlink); - file_info->Mode = cpu_to_le32(inode->i_mode & 0777); - file_info->DeviceId = cpu_to_le32(inode->i_rdev); + file_info->Inode = cpu_to_le64(stat.ino); + file_info->EndOfFile = cpu_to_le64(stat.size); + file_info->AllocationSize = cpu_to_le64(stat.blocks << 9); + file_info->HardLinks = cpu_to_le32(stat.nlink); + file_info->Mode = cpu_to_le32(stat.mode & 0777); + file_info->DeviceId = cpu_to_le32(stat.rdev);

/* * Sids(32) contain two sids(Domain sid(16), UNIX group sid(16)). @@ -4882,6 +4923,8 @@ static void find_file_posix_info(struct smb2_query_info_rsp *rsp, SIDUNIX_GROUP, (struct smb_sid *)&file_info->Sids[16]);

rsp->OutputBufferLength = cpu_to_le32(out_buf_len); + + return 0; }

static int smb2_get_info_file(struct ksmbd_work *work, @@ -4930,7 +4973,7 @@ static int smb2_get_info_file(struct ksmbd_work *work, break;

case FILE_STANDARD_INFORMATION: - get_file_standard_info(rsp, fp, work->response_buf); + rc = get_file_standard_info(rsp, fp, work->response_buf); break;

case FILE_ALIGNMENT_INFORMATION: @@ -4946,11 +4989,11 @@ static int smb2_get_info_file(struct ksmbd_work *work, break;

case FILE_STREAM_INFORMATION: - get_file_stream_info(work, rsp, fp, work->response_buf); + rc = get_file_stream_info(work, rsp, fp, work->response_buf); break;

case FILE_INTERNAL_INFORMATION: - get_file_internal_info(rsp, fp, work->response_buf); + rc = get_file_internal_info(rsp, fp, work->response_buf); break;

case FILE_NETWORK_OPEN_INFORMATION: @@ -4974,7 +5017,7 @@ static int smb2_get_info_file(struct ksmbd_work *work, break;

case FILE_COMPRESSION_INFORMATION: - get_file_compression_info(rsp, fp, work->response_buf); + rc = get_file_compression_info(rsp, fp, work->response_buf); break;

case FILE_ATTRIBUTE_TAG_INFORMATION: @@ -4985,7 +5028,7 @@ static int smb2_get_info_file(struct ksmbd_work *work, pr_err("client doesn't negotiate with SMB3.1.1 POSIX Extensions\n"); rc = -EOPNOTSUPP; } else { - find_file_posix_info(rsp, fp, work->response_buf); + rc = find_file_posix_info(rsp, fp, work->response_buf); } break; default: @@ -5398,7 +5441,6 @@ int smb2_close(struct ksmbd_work *work) struct smb2_close_rsp *rsp; struct ksmbd_conn *conn = work->conn; struct ksmbd_file *fp; - struct inode *inode; u64 time; int err = 0;

@@ -5453,24 +5495,33 @@ int smb2_close(struct ksmbd_work *work) rsp->Reserved = 0;

if (req->Flags == SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB) { + struct kstat stat; + int ret; + fp = ksmbd_lookup_fd_fast(work, volatile_id); if (!fp) { err = -ENOENT; goto out; }

- inode = file_inode(fp->filp); + ret = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS, + AT_STATX_SYNC_AS_STAT); + if (ret) { + ksmbd_fd_put(work, fp); + goto out; + } + rsp->Flags = SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB; - rsp->AllocationSize = S_ISDIR(inode->i_mode) ? 0 : - cpu_to_le64(inode->i_blocks << 9); - rsp->EndOfFile = cpu_to_le64(inode->i_size); + rsp->AllocationSize = S_ISDIR(stat.mode) ? 0 : + cpu_to_le64(stat.blocks << 9); + rsp->EndOfFile = cpu_to_le64(stat.size); rsp->Attributes = fp->f_ci->m_fattr; rsp->CreationTime = cpu_to_le64(fp->create_time); - time = ksmbd_UnixTimeToNT(inode_get_atime(inode)); + time = ksmbd_UnixTimeToNT(stat.atime); rsp->LastAccessTime = cpu_to_le64(time); - time = ksmbd_UnixTimeToNT(inode_get_mtime(inode)); + time = ksmbd_UnixTimeToNT(stat.mtime); rsp->LastWriteTime = cpu_to_le64(time); - time = ksmbd_UnixTimeToNT(inode_get_ctime(inode)); + time = ksmbd_UnixTimeToNT(stat.ctime); rsp->ChangeTime = cpu_to_le64(time); ksmbd_fd_put(work, fp); } else { @@ -5759,15 +5810,21 @@ static int set_file_allocation_info(struct ksmbd_work *work,

loff_t alloc_blks; struct inode *inode; + struct kstat stat; int rc;

if (!(fp->daccess & FILE_WRITE_DATA_LE)) return -EACCES;

+ rc = vfs_getattr(&fp->filp->f_path, &stat, STATX_BASIC_STATS, + AT_STATX_SYNC_AS_STAT); + if (rc) + return rc; + alloc_blks = (le64_to_cpu(file_alloc_info->AllocationSize) + 511) >> 9; inode = file_inode(fp->filp);

- if (alloc_blks > inode->i_blocks) { + if (alloc_blks > stat.blocks) { smb_break_all_levII_oplock(work, fp, 1); rc = vfs_fallocate(fp->filp, FALLOC_FL_KEEP_SIZE, 0, alloc_blks * 512); @@ -5775,7 +5832,7 @@ static int set_file_allocation_info(struct ksmbd_work *work, pr_err("vfs_fallocate is failed : %d\n", rc); return rc; } - } else if (alloc_blks < inode->i_blocks) { + } else if (alloc_blks < stat.blocks) { loff_t size;

/* @@ -5930,6 +5987,7 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp, struct ksmbd_share_config *share) { unsigned int buf_len = le32_to_cpu(req->BufferLength); + char *buffer = (char *)req + le16_to_cpu(req->BufferOffset);

switch (req->FileInfoClass) { case FILE_BASIC_INFORMATION: @@ -5937,7 +5995,7 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp, if (buf_len < sizeof(struct smb2_file_basic_info)) return -EINVAL;

- return set_file_basic_info(fp, (struct smb2_file_basic_info *)req->Buffer, share); + return set_file_basic_info(fp, (struct smb2_file_basic_info *)buffer, share); } case FILE_ALLOCATION_INFORMATION: { @@ -5945,7 +6003,7 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp, return -EINVAL;

return set_file_allocation_info(work, fp, - (struct smb2_file_alloc_info *)req->Buffer); + (struct smb2_file_alloc_info *)buffer); } case FILE_END_OF_FILE_INFORMATION: { @@ -5953,7 +6011,7 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp, return -EINVAL;

return set_end_of_file_info(work, fp, - (struct smb2_file_eof_info *)req->Buffer); + (struct smb2_file_eof_info *)buffer); } case FILE_RENAME_INFORMATION: { @@ -5961,7 +6019,7 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp, return -EINVAL;

return set_rename_info(work, fp, - (struct smb2_file_rename_info *)req->Buffer, + (struct smb2_file_rename_info *)buffer, buf_len); } case FILE_LINK_INFORMATION: @@ -5970,7 +6028,7 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp, return -EINVAL;

return smb2_create_link(work, work->tcon->share_conf, - (struct smb2_file_link_info *)req->Buffer, + (struct smb2_file_link_info *)buffer, buf_len, fp->filp, work->conn->local_nls); } @@ -5980,7 +6038,7 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp, return -EINVAL;

return set_file_disposition_info(fp, - (struct smb2_file_disposition_info *)req->Buffer); + (struct smb2_file_disposition_info *)buffer); } case FILE_FULL_EA_INFORMATION: { @@ -5993,7 +6051,7 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp, if (buf_len < sizeof(struct smb2_ea_info)) return -EINVAL;

- return smb2_set_ea((struct smb2_ea_info *)req->Buffer, + return smb2_set_ea((struct smb2_ea_info *)buffer, buf_len, &fp->filp->f_path, true); } case FILE_POSITION_INFORMATION: @@ -6001,14 +6059,14 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp, if (buf_len < sizeof(struct smb2_file_pos_info)) return -EINVAL;

- return set_file_position_info(fp, (struct smb2_file_pos_info *)req->Buffer); + return set_file_position_info(fp, (struct smb2_file_pos_info *)buffer); } case FILE_MODE_INFORMATION: { if (buf_len < sizeof(struct smb2_file_mode_info)) return -EINVAL;

- return set_file_mode_info(fp, (struct smb2_file_mode_info *)req->Buffer); + return set_file_mode_info(fp, (struct smb2_file_mode_info *)buffer); } }

@@ -6089,7 +6147,7 @@ int smb2_set_info(struct ksmbd_work *work) } rc = smb2_set_info_sec(fp, le32_to_cpu(req->AdditionalInformation), - req->Buffer, + (char *)req + le16_to_cpu(req->BufferOffset), le32_to_cpu(req->BufferLength)); ksmbd_revert_fsids(work); break; @@ -7535,7 +7593,7 @@ static int fsctl_pipe_transceive(struct ksmbd_work *work, u64 id, struct smb2_ioctl_rsp *rsp) { struct ksmbd_rpc_command *rpc_resp; - char *data_buf = (char *)&req->Buffer[0]; + char *data_buf = (char *)req + le32_to_cpu(req->InputOffset); int nbytes = 0;

rpc_resp = ksmbd_rpc_ioctl(work->sess, id, data_buf, @@ -7648,6 +7706,7 @@ int smb2_ioctl(struct ksmbd_work *work) u64 id = KSMBD_NO_FID; struct ksmbd_conn *conn = work->conn; int ret = 0; + char *buffer;

if (work->next_smb2_rcv_hdr_off) { req = ksmbd_req_buf_next(work); @@ -7670,6 +7729,8 @@ int smb2_ioctl(struct ksmbd_work *work) goto out; }

+ buffer = (char *)req + le32_to_cpu(req->InputOffset); + cnt_code = le32_to_cpu(req->CtlCode); ret = smb2_calc_max_out_buf_len(work, 48, le32_to_cpu(req->MaxOutputResponse)); @@ -7727,7 +7788,7 @@ int smb2_ioctl(struct ksmbd_work *work) }

ret = fsctl_validate_negotiate_info(conn, - (struct validate_negotiate_info_req *)&req->Buffer[0], + (struct validate_negotiate_info_req *)buffer, (struct validate_negotiate_info_rsp *)&rsp->Buffer[0], in_buf_len); if (ret < 0) @@ -7780,7 +7841,7 @@ int smb2_ioctl(struct ksmbd_work *work) rsp->VolatileFileId = req->VolatileFileId; rsp->PersistentFileId = req->PersistentFileId; fsctl_copychunk(work, - (struct copychunk_ioctl_req *)&req->Buffer[0], + (struct copychunk_ioctl_req *)buffer, le32_to_cpu(req->CtlCode), le32_to_cpu(req->InputCount), req->VolatileFileId, @@ -7793,8 +7854,7 @@ int smb2_ioctl(struct ksmbd_work *work) goto out; }

- ret = fsctl_set_sparse(work, id, - (struct file_sparse *)&req->Buffer[0]); + ret = fsctl_set_sparse(work, id, (struct file_sparse *)buffer); if (ret < 0) goto out; break; @@ -7817,7 +7877,7 @@ int smb2_ioctl(struct ksmbd_work *work) }

zero_data = - (struct file_zero_data_information *)&req->Buffer[0]; + (struct file_zero_data_information *)buffer;

off = le64_to_cpu(zero_data->FileOffset); bfz = le64_to_cpu(zero_data->BeyondFinalZero); @@ -7848,7 +7908,7 @@ int smb2_ioctl(struct ksmbd_work *work) }

ret = fsctl_query_allocated_ranges(work, id, - (struct file_allocated_range_buffer *)&req->Buffer[0], + (struct file_allocated_range_buffer *)buffer, (struct file_allocated_range_buffer *)&rsp->Buffer[0], out_buf_len / sizeof(struct file_allocated_range_buffer), &nbytes); @@ -7892,7 +7952,7 @@ int smb2_ioctl(struct ksmbd_work *work) goto out; }

- dup_ext = (struct duplicate_extents_to_file *)&req->Buffer[0]; + dup_ext = (struct duplicate_extents_to_file *)buffer;

fp_in = ksmbd_lookup_fd_slow(work, dup_ext->VolatileFileHandle, dup_ext->PersistentFileHandle); diff --git a/fs/smb/server/smb_common.c b/fs/smb/server/smb_common.c index 7c98bf699772..fcaf373cc008 100644 --- a/fs/smb/server/smb_common.c +++ b/fs/smb/server/smb_common.c @@ -457,10 +457,13 @@ int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level, }

ksmbd_kstat.kstat = &kstat; - ksmbd_vfs_fill_dentry_attrs(work, - idmap, - dentry, - &ksmbd_kstat); + rc = ksmbd_vfs_fill_dentry_attrs(work, + idmap, + dentry, + &ksmbd_kstat); + if (rc) + break; + rc = fn(conn, info_level, d_info, &ksmbd_kstat); if (rc) break; diff --git a/fs/smb/server/vfs.c b/fs/smb/server/vfs.c index 4277750a6da1..a8936aba7710 100644 --- a/fs/smb/server/vfs.c +++ b/fs/smb/server/vfs.c @@ -1669,11 +1669,19 @@ int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work, struct dentry *dentry, struct ksmbd_kstat *ksmbd_kstat) { + struct ksmbd_share_config *share_conf = work->tcon->share_conf; u64 time; int rc; + struct path path = { + .mnt = share_conf->vfs_path.mnt, + .dentry = dentry, + };

- generic_fillattr(idmap, STATX_BASIC_STATS, d_inode(dentry), - ksmbd_kstat->kstat); + rc = vfs_getattr(&path, ksmbd_kstat->kstat, + STATX_BASIC_STATS | STATX_BTIME, + AT_STATX_SYNC_AS_STAT); + if (rc) + return rc;

time = ksmbd_UnixTimeToNT(ksmbd_kstat->kstat->ctime); ksmbd_kstat->create_time = time; diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 2d2b39f843ce..abf4a77584cf 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -261,9 +261,6 @@ static int write_begin_slow(struct address_space *mapping, return err; } } - - SetPageUptodate(page); - ClearPageError(page); }

if (PagePrivate(page)) @@ -462,9 +459,6 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping, return err; } } - - SetPageUptodate(page); - ClearPageError(page); }

err = allocate_budget(c, page, ui, appending); @@ -474,10 +468,8 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping, * If we skipped reading the page because we were going to * write all of it, then it is not up to date. */ - if (skipped_read) { + if (skipped_read) ClearPageChecked(page); - ClearPageUptodate(page); - } /* * Budgeting failed which means it would have to force * write-back but didn't, because we set the @fast flag in the @@ -568,6 +560,9 @@ static int ubifs_write_end(struct file *file, struct address_space *mapping, goto out; }

+ if (len == PAGE_SIZE) + SetPageUptodate(page); + if (!PagePrivate(page)) { attach_page_private(page, (void *)1); atomic_long_inc(&c->dirty_pg_cnt); diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 9ef461aa9b9e..99aea536013e 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -557,6 +557,37 @@ struct drm_bridge_funcs { int (*get_modes)(struct drm_bridge *bridge, struct drm_connector *connector);

+ /** + * @edid_read: + * + * Read the EDID data of the connected display. + * + * The @edid_read callback is the preferred way of reporting mode + * information for a display connected to the bridge output. Bridges + * that support reading EDID shall implement this callback and leave + * the @get_modes callback unimplemented. + * + * The caller of this operation shall first verify the output + * connection status and refrain from reading EDID from a disconnected + * output. + * + * This callback is optional. Bridges that implement it shall set the + * DRM_BRIDGE_OP_EDID flag in their &drm_bridge->ops. + * + * The connector parameter shall be used for the sole purpose of EDID + * retrieval, and shall not be stored internally by bridge drivers for + * future usage. + * + * RETURNS: + * + * An edid structure newly allocated with drm_edid_alloc() or returned + * from drm_edid_read() family of functions on success, or NULL + * otherwise. The caller is responsible for freeing the returned edid + * structure with drm_edid_free(). + */ + const struct drm_edid *(*edid_read)(struct drm_bridge *bridge, + struct drm_connector *connector); + /** * @get_edid: * @@ -888,6 +919,8 @@ drm_atomic_helper_bridge_propagate_bus_fmt(struct drm_bridge *bridge, enum drm_connector_status drm_bridge_detect(struct drm_bridge *bridge); int drm_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector *connector); +const struct drm_edid *drm_bridge_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector); struct edid *drm_bridge_get_edid(struct drm_bridge *bridge, struct drm_connector *connector); void drm_bridge_hpd_enable(struct drm_bridge *bridge, diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h index e3c3ac615909..159213786e6e 100644 --- a/include/drm/drm_modeset_helper_vtables.h +++ b/include/drm/drm_modeset_helper_vtables.h @@ -898,7 +898,8 @@ struct drm_connector_helper_funcs { * * RETURNS: * - * The number of modes added by calling drm_mode_probed_add(). + * The number of modes added by calling drm_mode_probed_add(). Return 0 + * on failures (no modes) instead of negative error codes. */ int (*get_modes)(struct drm_connector *connector);

diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h index a4eff85b1f44..2b9d856ff388 100644 --- a/include/drm/ttm/ttm_tt.h +++ b/include/drm/ttm/ttm_tt.h @@ -79,6 +79,12 @@ struct ttm_tt { * page_flags = TTM_TT_FLAG_EXTERNAL | * TTM_TT_FLAG_EXTERNAL_MAPPABLE; * + * TTM_TT_FLAG_DECRYPTED: The mapped ttm pages should be marked as + * not encrypted. The framework will try to match what the dma layer + * is doing, but note that it is a little fragile because ttm page + * fault handling abuses the DMA api a bit and dma_map_attrs can't be + * used to assure pgprot always matches. + * * TTM_TT_FLAG_PRIV_POPULATED: TTM internal only. DO NOT USE. This is * set by TTM after ttm_tt_populate() has successfully returned, and is * then unset when TTM calls ttm_tt_unpopulate(). @@ -87,8 +93,9 @@ struct ttm_tt { #define TTM_TT_FLAG_ZERO_ALLOC BIT(1) #define TTM_TT_FLAG_EXTERNAL BIT(2) #define TTM_TT_FLAG_EXTERNAL_MAPPABLE BIT(3) +#define TTM_TT_FLAG_DECRYPTED BIT(4)

-#define TTM_TT_FLAG_PRIV_POPULATED BIT(4) +#define TTM_TT_FLAG_PRIV_POPULATED BIT(5) uint32_t page_flags; /** @num_pages: Number of pages in the page array. */ uint32_t num_pages; diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 1c5ca92a0555..90f8bd1736a2 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -1021,6 +1021,18 @@ static inline int cpufreq_table_find_index_c(struct cpufreq_policy *policy, efficiencies); }

+static inline bool cpufreq_is_in_limits(struct cpufreq_policy *policy, int idx) +{ + unsigned int freq; + + if (idx < 0) + return false; + + freq = policy->freq_table[idx].frequency; + + return freq == clamp_val(freq, policy->min, policy->max); +} + static inline int cpufreq_frequency_table_target(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation) @@ -1054,7 +1066,8 @@ static inline int cpufreq_frequency_table_target(struct cpufreq_policy *policy, return 0; }

- if (idx < 0 && efficiencies) { + /* Limit frequency index to honor policy->min/max */ + if (!cpufreq_is_in_limits(policy, idx) && efficiencies) { efficiencies = false; goto retry; } diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h index b9d83652c097..562089431551 100644 --- a/include/linux/eventfd.h +++ b/include/linux/eventfd.h @@ -35,7 +35,7 @@ void eventfd_ctx_put(struct eventfd_ctx *ctx); struct file *eventfd_fget(int fd); struct eventfd_ctx *eventfd_ctx_fdget(int fd); struct eventfd_ctx *eventfd_ctx_fileget(struct file *file); -__u64 eventfd_signal(struct eventfd_ctx *ctx, __u64 n); +__u64 eventfd_signal(struct eventfd_ctx *ctx); __u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __u64 n, __poll_t mask); int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_entry_t *wait, __u64 *cnt); @@ -58,7 +58,7 @@ static inline struct eventfd_ctx *eventfd_ctx_fdget(int fd) return ERR_PTR(-ENOSYS); }

-static inline int eventfd_signal(struct eventfd_ctx *ctx, __u64 n) +static inline int eventfd_signal(struct eventfd_ctx *ctx) { return -ENOSYS; } diff --git a/include/linux/gfp.h b/include/linux/gfp.h index de292a007138..e2a916cf29c4 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -353,6 +353,15 @@ static inline bool gfp_has_io_fs(gfp_t gfp) return (gfp & (__GFP_IO | __GFP_FS)) == (__GFP_IO | __GFP_FS); }

+/* + * Check if the gfp flags allow compaction - GFP_NOIO is a really + * tricky context because the migration might require IO. + */ +static inline bool gfp_compaction_allowed(gfp_t gfp_mask) +{ + return IS_ENABLED(CONFIG_COMPACTION) && (gfp_mask & __GFP_IO); +} + extern gfp_t vma_thp_gfp_mask(struct vm_area_struct *vma);

#ifdef CONFIG_CONTIG_ALLOC diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 2b00faf98017..6ef0557b4bff 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -164,8 +164,28 @@ struct hv_ring_buffer { u8 buffer[]; } __packed;

+ +/* + * If the requested ring buffer size is at least 8 times the size of the + * header, steal space from the ring buffer for the header. Otherwise, add + * space for the header so that is doesn't take too much of the ring buffer + * space. + * + * The factor of 8 is somewhat arbitrary. The goal is to prevent adding a + * relatively small header (4 Kbytes on x86) to a large-ish power-of-2 ring + * buffer size (such as 128 Kbytes) and so end up making a nearly twice as + * large allocation that will be almost half wasted. As a contrasting example, + * on ARM64 with 64 Kbyte page size, we don't want to take 64 Kbytes for the + * header from a 128 Kbyte allocation, leaving only 64 Kbytes for the ring. + * In this latter case, we must add 64 Kbytes for the header and not worry + * about what's wasted. + */ +#define VMBUS_HEADER_ADJ(payload_sz) \ + ((payload_sz) >= 8 * sizeof(struct hv_ring_buffer) ? \ + 0 : sizeof(struct hv_ring_buffer)) + /* Calculate the proper size of a ringbuffer, it must be page-aligned */ -#define VMBUS_RING_SIZE(payload_sz) PAGE_ALIGN(sizeof(struct hv_ring_buffer) + \ +#define VMBUS_RING_SIZE(payload_sz) PAGE_ALIGN(VMBUS_HEADER_ADJ(payload_sz) + \ (payload_sz))

struct hv_ring_buffer_info { diff --git a/include/linux/intel_rapl.h b/include/linux/intel_rapl.h index 33f21bd85dbf..f3196f82fd8a 100644 --- a/include/linux/intel_rapl.h +++ b/include/linux/intel_rapl.h @@ -178,6 +178,12 @@ struct rapl_package { struct rapl_if_priv *priv; };

+struct rapl_package *rapl_find_package_domain_cpuslocked(int id, struct rapl_if_priv *priv, + bool id_is_cpu); +struct rapl_package *rapl_add_package_cpuslocked(int id, struct rapl_if_priv *priv, + bool id_is_cpu); +void rapl_remove_package_cpuslocked(struct rapl_package *rp); + struct rapl_package *rapl_find_package_domain(int id, struct rapl_if_priv *priv, bool id_is_cpu); struct rapl_package *rapl_add_package(int id, struct rapl_if_priv *priv, bool id_is_cpu); void rapl_remove_package(struct rapl_package *rp); diff --git a/include/linux/intel_tcc.h b/include/linux/intel_tcc.h index f422612c28d6..8ff8eabb4a98 100644 --- a/include/linux/intel_tcc.h +++ b/include/linux/intel_tcc.h @@ -13,6 +13,6 @@ int intel_tcc_get_tjmax(int cpu); int intel_tcc_get_offset(int cpu); int intel_tcc_set_offset(int cpu, int offset); -int intel_tcc_get_temp(int cpu, bool pkg); +int intel_tcc_get_temp(int cpu, int *temp, bool pkg);

#endif /* __INTEL_TCC_H__ */ diff --git a/include/linux/libata.h b/include/linux/libata.h index 1dbb14daccfa..1d2afcd47523 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -107,6 +107,7 @@ enum {

ATA_DFLAG_NCQ_PRIO_ENABLED = (1 << 20), /* Priority cmds sent to dev */ ATA_DFLAG_CDL_ENABLED = (1 << 21), /* cmd duration limits is enabled */ + ATA_DFLAG_RESUMING = (1 << 22), /* Device is resuming */ ATA_DFLAG_DETACH = (1 << 24), ATA_DFLAG_DETACHED = (1 << 25), ATA_DFLAG_DA = (1 << 26), /* device supports Device Attention */ diff --git a/include/linux/mman.h b/include/linux/mman.h index dc7048824be8..bcb201ab7a41 100644 --- a/include/linux/mman.h +++ b/include/linux/mman.h @@ -162,6 +162,14 @@ calc_vm_flag_bits(unsigned long flags)

unsigned long vm_commit_limit(void);

+#ifndef arch_memory_deny_write_exec_supported +static inline bool arch_memory_deny_write_exec_supported(void) +{ + return true; +} +#define arch_memory_deny_write_exec_supported arch_memory_deny_write_exec_supported +#endif + /* * Denies creating a writable executable mapping or gaining executable permissions. * diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index badb4c1ac079..5c19ead60499 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -169,7 +169,7 @@ struct spinand_op; struct spinand_device;

-#define SPINAND_MAX_ID_LEN 4 +#define SPINAND_MAX_ID_LEN 5 /* * For erase, write and read operation, we got the following timings : * tBERS (erase) 1ms to 4ms diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 279262057a92..832b7e354b4e 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -612,6 +612,7 @@ int nfs_wb_folio_cancel(struct inode *inode, struct folio *folio); extern int nfs_commit_inode(struct inode *, int); extern struct nfs_commit_data *nfs_commitdata_alloc(void); extern void nfs_commit_free(struct nfs_commit_data *data); +void nfs_commit_begin(struct nfs_mds_commit_info *cinfo); bool nfs_commit_end(struct nfs_mds_commit_info *cinfo);

static inline bool nfs_have_writebacks(const struct inode *inode) diff --git a/include/linux/oid_registry.h b/include/linux/oid_registry.h index 3921fbed0b28..51421fdbb0ba 100644 --- a/include/linux/oid_registry.h +++ b/include/linux/oid_registry.h @@ -17,10 +17,12 @@ * build_OID_registry.pl to generate the data for look_up_OID(). */ enum OID { + OID_id_dsa_with_sha1, /* 1.2.840.10030.4.3 */ OID_id_dsa, /* 1.2.840.10040.4.1 */ OID_id_ecPublicKey, /* 1.2.840.10045.2.1 */ OID_id_prime192v1, /* 1.2.840.10045.3.1.1 */ OID_id_prime256v1, /* 1.2.840.10045.3.1.7 */ + OID_id_ecdsa_with_sha1, /* 1.2.840.10045.4.1 */ OID_id_ecdsa_with_sha224, /* 1.2.840.10045.4.3.1 */ OID_id_ecdsa_with_sha256, /* 1.2.840.10045.4.3.2 */ OID_id_ecdsa_with_sha384, /* 1.2.840.10045.4.3.3 */ @@ -28,6 +30,7 @@ enum OID {

/* PKCS#1 {iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs-1(1)} */ OID_rsaEncryption, /* 1.2.840.113549.1.1.1 */ + OID_sha1WithRSAEncryption, /* 1.2.840.113549.1.1.5 */ OID_sha256WithRSAEncryption, /* 1.2.840.113549.1.1.11 */ OID_sha384WithRSAEncryption, /* 1.2.840.113549.1.1.12 */ OID_sha512WithRSAEncryption, /* 1.2.840.113549.1.1.13 */ @@ -64,6 +67,7 @@ enum OID { OID_PKU2U, /* 1.3.5.1.5.2.7 */ OID_Scram, /* 1.3.6.1.5.5.14 */ OID_certAuthInfoAccess, /* 1.3.6.1.5.5.7.1.1 */ + OID_sha1, /* 1.3.14.3.2.26 */ OID_id_ansip384r1, /* 1.3.132.0.34 */ OID_sha256, /* 2.16.840.1.101.3.4.2.1 */ OID_sha384, /* 2.16.840.1.101.3.4.2.2 */ diff --git a/include/linux/phy/tegra/xusb.h b/include/linux/phy/tegra/xusb.h index 70998e6dd6fd..6ca51e0080ec 100644 --- a/include/linux/phy/tegra/xusb.h +++ b/include/linux/phy/tegra/xusb.h @@ -26,6 +26,7 @@ void tegra_phy_xusb_utmi_pad_power_down(struct phy *phy); int tegra_phy_xusb_utmi_port_reset(struct phy *phy); int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl, unsigned int port); +int tegra_xusb_padctl_get_port_number(struct phy *phy); int tegra_xusb_padctl_enable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy, enum usb_device_speed speed); int tegra_xusb_padctl_disable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy); diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index 782e14f62201..ded528d23f85 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -98,6 +98,7 @@ __ring_buffer_alloc(unsigned long size, unsigned flags, struct lock_class_key *k __ring_buffer_alloc((size), (flags), &__key); \ })

+typedef bool (*ring_buffer_cond_fn)(void *data); int ring_buffer_wait(struct trace_buffer *buffer, int cpu, int full); __poll_t ring_buffer_poll_wait(struct trace_buffer *buffer, int cpu, struct file *filp, poll_table *poll_table, int full); diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index f43aca7f3b01..678409c47b88 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -786,7 +786,8 @@ enum UART_TX_FLAGS { if (pending < WAKEUP_CHARS) { \ uart_write_wakeup(__port); \ \ - if (!((flags) & UART_TX_NOSTOP) && pending == 0) \ + if (!((flags) & UART_TX_NOSTOP) && pending == 0 && \ + __port->ops->tx_empty(__port)) \ __port->ops->stop_tx(__port); \ } \ \ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 763e9264402f..bd06942757f5 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -3438,6 +3438,16 @@ static inline void skb_frag_ref(struct sk_buff *skb, int f)

bool napi_pp_put_page(struct page *page, bool napi_safe);

+static inline void +skb_page_unref(const struct sk_buff *skb, struct page *page, bool napi_safe) +{ +#ifdef CONFIG_PAGE_POOL + if (skb->pp_recycle && napi_pp_put_page(page, napi_safe)) + return; +#endif + put_page(page); +} + static inline void napi_frag_unref(skb_frag_t *frag, bool recycle, bool napi_safe) { diff --git a/include/linux/vfio.h b/include/linux/vfio.h index a65b2513f8cd..5ac5f182ce0b 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -349,6 +349,7 @@ struct virqfd { wait_queue_entry_t wait; poll_table pt; struct work_struct shutdown; + struct work_struct flush_inject; struct virqfd **pvirqfd; };

@@ -356,5 +357,6 @@ int vfio_virqfd_enable(void *opaque, int (*handler)(void *, void *), void (*thread)(void *, void *), void *data, struct virqfd **pvirqfd, int fd); void vfio_virqfd_disable(struct virqfd **pvirqfd); +void vfio_virqfd_flush_thread(struct virqfd **pvirqfd);

#endif /* VFIO_H */ diff --git a/include/media/media-entity.h b/include/media/media-entity.h index 2b6cd343ee9e..4d95893c8984 100644 --- a/include/media/media-entity.h +++ b/include/media/media-entity.h @@ -225,6 +225,7 @@ enum media_pad_signal_type { * @graph_obj: Embedded structure containing the media object common data * @entity: Entity this pad belongs to * @index: Pad index in the entity pads array, numbered from 0 to n + * @num_links: Number of links connected to this pad * @sig_type: Type of the signal inside a media pad * @flags: Pad flags, as defined in * :ref:`include/uapi/linux/media.h <media_header>` @@ -236,6 +237,7 @@ struct media_pad { struct media_gobj graph_obj; /* must be first field in struct */ struct media_entity *entity; u16 index; + u16 num_links; enum media_pad_signal_type sig_type; unsigned long flags;

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 8f2c48761833..e90596e21cfc 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -4914,6 +4914,7 @@ struct cfg80211_ops { * NL80211_REGDOM_SET_BY_DRIVER. * @WIPHY_FLAG_CHANNEL_CHANGE_ON_BEACON: reg_call_notifier() is called if driver * set this flag to update channels on beacon hints. + * @WIPHY_FLAG_DISABLE_WEXT: disable wireless extensions for this device */ enum wiphy_flags { WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK = BIT(0), @@ -4925,6 +4926,7 @@ enum wiphy_flags { WIPHY_FLAG_4ADDR_STATION = BIT(6), WIPHY_FLAG_CONTROL_PORT_PROTOCOL = BIT(7), WIPHY_FLAG_IBSS_RSN = BIT(8), + WIPHY_FLAG_DISABLE_WEXT = BIT(9), WIPHY_FLAG_MESH_AUTH = BIT(10), WIPHY_FLAG_SUPPORTS_EXT_KCK_32 = BIT(11), /* use hole at 12 */ diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h index f79ce133e51a..519d23941b54 100644 --- a/include/net/cfg802154.h +++ b/include/net/cfg802154.h @@ -378,6 +378,7 @@ struct ieee802154_llsec_key {

struct ieee802154_llsec_key_entry { struct list_head list; + struct rcu_head rcu;

struct ieee802154_llsec_key_id id; struct ieee802154_llsec_key *key; diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h index 4ce1988b2ba0..f40915d2ecee 100644 --- a/include/scsi/scsi_driver.h +++ b/include/scsi/scsi_driver.h @@ -12,6 +12,7 @@ struct request; struct scsi_driver { struct device_driver gendrv;

+ int (*resume)(struct device *); void (*rescan)(struct device *); blk_status_t (*init_command)(struct scsi_cmnd *); void (*uninit_command)(struct scsi_cmnd *); diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 3b907fc2ef08..510f594b0636 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -767,6 +767,7 @@ scsi_template_proc_dir(const struct scsi_host_template *sht); #define scsi_template_proc_dir(sht) NULL #endif extern void scsi_scan_host(struct Scsi_Host *); +extern int scsi_resume_device(struct scsi_device *sdev); extern int scsi_rescan_device(struct scsi_device *sdev); extern void scsi_remove_host(struct Scsi_Host *); extern struct Scsi_Host *scsi_host_get(struct Scsi_Host *); diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h index 8881aea60f6f..2445f365bce7 100644 --- a/include/uapi/linux/virtio_config.h +++ b/include/uapi/linux/virtio_config.h @@ -52,7 +52,7 @@ * rest are per-device feature bits. */ #define VIRTIO_TRANSPORT_F_START 28 -#define VIRTIO_TRANSPORT_F_END 41 +#define VIRTIO_TRANSPORT_F_END 42

#ifndef VIRTIO_CONFIG_NO_LEGACY /* Do we get callbacks when the ring is completely used, even if we've @@ -114,4 +114,10 @@ * This feature indicates that the driver can reset a queue individually. */ #define VIRTIO_F_RING_RESET 40 + +/* + * This feature indicates that the device support administration virtqueues. + */ +#define VIRTIO_F_ADMIN_VQ 41 + #endif /* _UAPI_LINUX_VIRTIO_CONFIG_H */ diff --git a/init/Kconfig b/init/Kconfig index bfde8189c2be..e4ff62f58340 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -876,14 +876,14 @@ config CC_IMPLICIT_FALLTHROUGH default "-Wimplicit-fallthrough=5" if CC_IS_GCC && $(cc-option,-Wimplicit-fallthrough=5) default "-Wimplicit-fallthrough" if CC_IS_CLANG && $(cc-option,-Wunreachable-code-fallthrough)

-# Currently, disable gcc-11+ array-bounds globally. +# Currently, disable gcc-10+ array-bounds globally. # It's still broken in gcc-13, so no upper bound yet. -config GCC11_NO_ARRAY_BOUNDS +config GCC10_NO_ARRAY_BOUNDS def_bool y

config CC_NO_ARRAY_BOUNDS bool - default y if CC_IS_GCC && GCC_VERSION >= 110000 && GCC11_NO_ARRAY_BOUNDS + default y if CC_IS_GCC && GCC_VERSION >= 100000 && GCC10_NO_ARRAY_BOUNDS

# # For architectures that know their GCC __int128 support is sound diff --git a/init/initramfs.c b/init/initramfs.c index 8d0fd946cdd2..efc477b905a4 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -673,7 +673,7 @@ static void __init populate_initrd_image(char *err)

printk(KERN_INFO "rootfs image is not initramfs (%s); looks like an initrd\n", err); - file = filp_open("/initrd.image", O_WRONLY | O_CREAT, 0700); + file = filp_open("/initrd.image", O_WRONLY|O_CREAT|O_LARGEFILE, 0700); if (IS_ERR(file)) return;

diff --git a/io_uring/futex.c b/io_uring/futex.c index 3c3575303c3d..792a03df58de 100644 --- a/io_uring/futex.c +++ b/io_uring/futex.c @@ -159,6 +159,7 @@ bool io_futex_remove_all(struct io_ring_ctx *ctx, struct task_struct *task, hlist_for_each_entry_safe(req, tmp, &ctx->futex_list, hash_node) { if (!io_match_task_safe(req, task, cancel_all)) continue; + hlist_del_init(&req->hash_node); __io_futex_cancel(ctx, req); found = true; } diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 45d6e440bdc0..13a9d9fcd2ec 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -2757,14 +2757,15 @@ static void io_rings_free(struct io_ring_ctx *ctx) if (!(ctx->flags & IORING_SETUP_NO_MMAP)) { io_mem_free(ctx->rings); io_mem_free(ctx->sq_sqes); - ctx->rings = NULL; - ctx->sq_sqes = NULL; } else { io_pages_free(&ctx->ring_pages, ctx->n_ring_pages); ctx->n_ring_pages = 0; io_pages_free(&ctx->sqe_pages, ctx->n_sqe_pages); ctx->n_sqe_pages = 0; } + + ctx->rings = NULL; + ctx->sq_sqes = NULL; }

void *io_mem_alloc(size_t size) diff --git a/io_uring/net.c b/io_uring/net.c index 4aaeada03f1e..5a4001139e28 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -87,7 +87,7 @@ static inline bool io_check_multishot(struct io_kiocb *req, * generic paths but multipoll may decide to post extra cqes. */ return !(issue_flags & IO_URING_F_IOWQ) || - !(issue_flags & IO_URING_F_MULTISHOT) || + !(req->flags & REQ_F_APOLL_MULTISHOT) || !req->ctx->task_complete; }

@@ -915,7 +915,8 @@ int io_recvmsg(struct io_kiocb *req, unsigned int issue_flags) kfree(kmsg->free_iov); io_netmsg_recycle(req, issue_flags); req->flags &= ~REQ_F_NEED_CLEANUP; - } + } else if (ret == -EAGAIN) + return io_setup_async_msg(req, kmsg, issue_flags);

return ret; } diff --git a/io_uring/poll.c b/io_uring/poll.c index 58b7556f621e..c6f4789623cb 100644 --- a/io_uring/poll.c +++ b/io_uring/poll.c @@ -539,14 +539,6 @@ static void __io_queue_proc(struct io_poll *poll, struct io_poll_table *pt, poll->wait.private = (void *) wqe_private;

if (poll->events & EPOLLEXCLUSIVE) { - /* - * Exclusive waits may only wake a limited amount of entries - * rather than all of them, this may interfere with lazy - * wake if someone does wait(events > 1). Ensure we don't do - * lazy wake for those, as we need to process each one as they - * come in. - */ - req->flags |= REQ_F_POLL_NO_LAZY; add_wait_queue_exclusive(head, &poll->wait); } else { add_wait_queue(head, &poll->wait); @@ -618,6 +610,17 @@ static int __io_arm_poll_handler(struct io_kiocb *req, if (issue_flags & IO_URING_F_UNLOCKED) req->flags &= ~REQ_F_HASH_LOCKED;

+ + /* + * Exclusive waits may only wake a limited amount of entries + * rather than all of them, this may interfere with lazy + * wake if someone does wait(events > 1). Ensure we don't do + * lazy wake for those, as we need to process each one as they + * come in. + */ + if (poll->events & EPOLLEXCLUSIVE) + req->flags |= REQ_F_POLL_NO_LAZY; + mask = vfs_poll(req->file, &ipt->pt) & poll->events;

if (unlikely(ipt->error || !ipt->nr_entries)) { diff --git a/io_uring/rw.c b/io_uring/rw.c index 9394bf83e835..70c5beb05d4e 100644 --- a/io_uring/rw.c +++ b/io_uring/rw.c @@ -926,6 +926,8 @@ int io_read_mshot(struct io_kiocb *req, unsigned int issue_flags) */ if (!file_can_poll(req->file)) return -EBADFD; + if (issue_flags & IO_URING_F_IOWQ) + return -EAGAIN;

ret = __io_read(req, issue_flags);

@@ -940,6 +942,8 @@ int io_read_mshot(struct io_kiocb *req, unsigned int issue_flags) */ if (io_kbuf_recycle(req, issue_flags)) rw->len = 0; + if (issue_flags & IO_URING_F_MULTISHOT) + return IOU_ISSUE_SKIP_COMPLETE; return -EAGAIN; }

diff --git a/io_uring/waitid.c b/io_uring/waitid.c index 6f851978606d..77d340666cb9 100644 --- a/io_uring/waitid.c +++ b/io_uring/waitid.c @@ -125,12 +125,6 @@ static void io_waitid_complete(struct io_kiocb *req, int ret)

lockdep_assert_held(&req->ctx->uring_lock);

- /* - * Did cancel find it meanwhile? - */ - if (hlist_unhashed(&req->hash_node)) - return; - hlist_del_init(&req->hash_node);

ret = io_waitid_finish(req, ret); @@ -202,6 +196,7 @@ bool io_waitid_remove_all(struct io_ring_ctx *ctx, struct task_struct *task, hlist_for_each_entry_safe(req, tmp, &ctx->waitid_list, hash_node) { if (!io_match_task_safe(req, task, cancel_all)) continue; + hlist_del_init(&req->hash_node); __io_waitid_cancel(ctx, req); found = true; } diff --git a/kernel/bounds.c b/kernel/bounds.c index b529182e8b04..c5a9fcd2d622 100644 --- a/kernel/bounds.c +++ b/kernel/bounds.c @@ -19,7 +19,7 @@ int main(void) DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS); DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES); #ifdef CONFIG_SMP - DEFINE(NR_CPUS_BITS, ilog2(CONFIG_NR_CPUS)); + DEFINE(NR_CPUS_BITS, bits_per(CONFIG_NR_CPUS)); #endif DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t)); #ifdef CONFIG_LRU_GEN diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 615daaf87f1f..ffe0e0029437 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -2466,7 +2466,7 @@ static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs, update_partition_sd_lb(cs, old_prs); out_free: free_cpumasks(NULL, &tmp); - return 0; + return retval; }

/** @@ -2502,9 +2502,6 @@ static int update_exclusive_cpumask(struct cpuset *cs, struct cpuset *trialcs, if (cpumask_equal(cs->exclusive_cpus, trialcs->exclusive_cpus)) return 0;

- if (alloc_cpumasks(NULL, &tmp)) - return -ENOMEM; - if (*buf) compute_effective_exclusive_cpumask(trialcs, NULL);

@@ -2519,6 +2516,9 @@ static int update_exclusive_cpumask(struct cpuset *cs, struct cpuset *trialcs, if (retval) return retval;

+ if (alloc_cpumasks(NULL, &tmp)) + return -ENOMEM; + if (old_prs) { if (cpumask_empty(trialcs->effective_xcpus)) { invalidate = true; diff --git a/kernel/crash_core.c b/kernel/crash_core.c index 755d8d4ef5b0..9e337493d7f5 100644 --- a/kernel/crash_core.c +++ b/kernel/crash_core.c @@ -377,6 +377,9 @@ static int __init reserve_crashkernel_low(unsigned long long low_size)

crashk_low_res.start = low_base; crashk_low_res.end = low_base + low_size - 1; +#ifdef HAVE_ARCH_ADD_CRASH_RES_TO_IOMEM_EARLY + insert_resource(&iomem_resource, &crashk_low_res); +#endif #endif return 0; } @@ -458,8 +461,12 @@ void __init reserve_crashkernel_generic(char *cmdline,

crashk_res.start = crash_base; crashk_res.end = crash_base + crash_size - 1; +#ifdef HAVE_ARCH_ADD_CRASH_RES_TO_IOMEM_EARLY + insert_resource(&iomem_resource, &crashk_res); +#endif }

+#ifndef HAVE_ARCH_ADD_CRASH_RES_TO_IOMEM_EARLY static __init int insert_crashkernel_resources(void) { if (crashk_res.start < crashk_res.end) @@ -472,6 +479,7 @@ static __init int insert_crashkernel_resources(void) } early_initcall(insert_crashkernel_resources); #endif +#endif

int crash_prepare_elf64_headers(struct crash_mem *mem, int need_kernel_map, void **addr, unsigned long *sz) diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index 33d942615be5..9edfb3b7702b 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -981,8 +981,7 @@ static int swiotlb_area_find_slots(struct device *dev, struct io_tlb_pool *pool, dma_addr_t tbl_dma_addr = phys_to_dma_unencrypted(dev, pool->start) & boundary_mask; unsigned long max_slots = get_max_slots(boundary_mask); - unsigned int iotlb_align_mask = - dma_get_min_align_mask(dev) | alloc_align_mask; + unsigned int iotlb_align_mask = dma_get_min_align_mask(dev); unsigned int nslots = nr_slots(alloc_size), stride; unsigned int offset = swiotlb_align_offset(dev, orig_addr); unsigned int index, slots_checked, count = 0, i; @@ -994,18 +993,25 @@ static int swiotlb_area_find_slots(struct device *dev, struct io_tlb_pool *pool, BUG_ON(area_index >= pool->nareas);

/* - * For allocations of PAGE_SIZE or larger only look for page aligned - * allocations. + * Ensure that the allocation is at least slot-aligned and update + * 'iotlb_align_mask' to ignore bits that will be preserved when + * offsetting into the allocation. */ - if (alloc_size >= PAGE_SIZE) - iotlb_align_mask |= ~PAGE_MASK; - iotlb_align_mask &= ~(IO_TLB_SIZE - 1); + alloc_align_mask |= (IO_TLB_SIZE - 1); + iotlb_align_mask &= ~alloc_align_mask;

/* * For mappings with an alignment requirement don't bother looping to * unaligned slots once we found an aligned one. */ - stride = (iotlb_align_mask >> IO_TLB_SHIFT) + 1; + stride = get_max_slots(max(alloc_align_mask, iotlb_align_mask)); + + /* + * For allocations of PAGE_SIZE or larger only look for page aligned + * allocations. + */ + if (alloc_size >= PAGE_SIZE) + stride = umax(stride, PAGE_SHIFT - IO_TLB_SHIFT + 1);

spin_lock_irqsave(&area->lock, flags); if (unlikely(nslots > pool->area_nslabs - area->used)) @@ -1015,11 +1021,14 @@ static int swiotlb_area_find_slots(struct device *dev, struct io_tlb_pool *pool, index = area->index;

for (slots_checked = 0; slots_checked < pool->area_nslabs; ) { + phys_addr_t tlb_addr; + slot_index = slot_base + index; + tlb_addr = slot_addr(tbl_dma_addr, slot_index);

- if (orig_addr && - (slot_addr(tbl_dma_addr, slot_index) & - iotlb_align_mask) != (orig_addr & iotlb_align_mask)) { + if ((tlb_addr & alloc_align_mask) || + (orig_addr && (tlb_addr & iotlb_align_mask) != + (orig_addr & iotlb_align_mask))) { index = wrap_area_index(pool, index + 1); slots_checked++; continue; @@ -1608,12 +1617,14 @@ struct page *swiotlb_alloc(struct device *dev, size_t size) struct io_tlb_mem *mem = dev->dma_io_tlb_mem; struct io_tlb_pool *pool; phys_addr_t tlb_addr; + unsigned int align; int index;

if (!mem) return NULL;

- index = swiotlb_find_slots(dev, 0, size, 0, &pool); + align = (1 << (get_order(size) + PAGE_SHIFT)) - 1; + index = swiotlb_find_slots(dev, 0, size, align, &pool); if (index == -1) return NULL;

diff --git a/kernel/entry/common.c b/kernel/entry/common.c index d7ee4bc3f2ba..5ff4f1cd3644 100644 --- a/kernel/entry/common.c +++ b/kernel/entry/common.c @@ -77,8 +77,14 @@ static long syscall_trace_enter(struct pt_regs *regs, long syscall, /* Either of the above might have changed the syscall number */ syscall = syscall_get_nr(current, regs);

- if (unlikely(work & SYSCALL_WORK_SYSCALL_TRACEPOINT)) + if (unlikely(work & SYSCALL_WORK_SYSCALL_TRACEPOINT)) { trace_sys_enter(regs, syscall); + /* + * Probes or BPF hooks in the tracepoint may have changed the + * system call number as well. + */ + syscall = syscall_get_nr(current, regs); + }

syscall_enter_audit(regs, syscall);

diff --git a/kernel/module/Kconfig b/kernel/module/Kconfig index 0ea1b2970a23..28db5b7589eb 100644 --- a/kernel/module/Kconfig +++ b/kernel/module/Kconfig @@ -236,6 +236,10 @@ choice possible to load a signed module containing the algorithm to check the signature on that module.

+config MODULE_SIG_SHA1 + bool "Sign modules with SHA-1" + select CRYPTO_SHA1 + config MODULE_SIG_SHA256 bool "Sign modules with SHA-256" select CRYPTO_SHA256 @@ -265,6 +269,7 @@ endchoice config MODULE_SIG_HASH string depends on MODULE_SIG || IMA_APPRAISE_MODSIG + default "sha1" if MODULE_SIG_SHA1 default "sha256" if MODULE_SIG_SHA256 default "sha384" if MODULE_SIG_SHA384 default "sha512" if MODULE_SIG_SHA512 diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index fa3bf161d13f..a718067deece 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -192,6 +192,7 @@ static int __init mem_sleep_default_setup(char *str) if (mem_sleep_labels[state] && !strcmp(str, mem_sleep_labels[state])) { mem_sleep_default = state; + mem_sleep_current = state; break; }

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 72f6a564e832..7a835b277e98 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -2026,6 +2026,12 @@ static int console_trylock_spinning(void) */ mutex_acquire(&console_lock_dep_map, 0, 1, _THIS_IP_);

+ /* + * Update @console_may_schedule for trylock because the previous + * owner may have been schedulable. + */ + console_may_schedule = 0; + return 1; }

@@ -3295,6 +3301,21 @@ static int __init keep_bootcon_setup(char *str)

early_param("keep_bootcon", keep_bootcon_setup);

+static int console_call_setup(struct console *newcon, char *options) +{ + int err; + + if (!newcon->setup) + return 0; + + /* Synchronize with possible boot console. */ + console_lock(); + err = newcon->setup(newcon, options); + console_unlock(); + + return err; +} + /* * This is called by register_console() to try to match * the newly registered console with any of the ones selected @@ -3330,8 +3351,8 @@ static int try_enable_preferred_console(struct console *newcon, if (_braille_register_console(newcon, c)) return 0;

- if (newcon->setup && - (err = newcon->setup(newcon, c->options)) != 0) + err = console_call_setup(newcon, c->options); + if (err) return err; } newcon->flags |= CON_ENABLED; @@ -3357,7 +3378,7 @@ static void try_enable_default_console(struct console *newcon) if (newcon->index < 0) newcon->index = 0;

- if (newcon->setup && newcon->setup(newcon, NULL) != 0) + if (console_call_setup(newcon, NULL) != 0) return;

newcon->flags |= CON_ENABLED; diff --git a/kernel/sys.c b/kernel/sys.c index f8e543f1e38a..8bb106a56b3a 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -2408,8 +2408,11 @@ static inline int prctl_set_mdwe(unsigned long bits, unsigned long arg3, if (bits & PR_MDWE_NO_INHERIT && !(bits & PR_MDWE_REFUSE_EXEC_GAIN)) return -EINVAL;

- /* PARISC cannot allow mdwe as it needs writable stacks */ - if (IS_ENABLED(CONFIG_PARISC)) + /* + * EOPNOTSUPP might be more appropriate here in principle, but + * existing userspace depends on EINVAL specifically. + */ + if (!arch_memory_deny_write_exec_supported()) return -EINVAL;

current_bits = get_current_mdwe(); diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c index 9de66bbbb3d1..4782edcbe7b9 100644 --- a/kernel/time/posix-clock.c +++ b/kernel/time/posix-clock.c @@ -129,15 +129,17 @@ static int posix_clock_open(struct inode *inode, struct file *fp) goto out; } pccontext->clk = clk; - fp->private_data = pccontext; - if (clk->ops.open) + if (clk->ops.open) { err = clk->ops.open(pccontext, fp->f_mode); - else - err = 0; - - if (!err) { - get_device(clk->dev); + if (err) { + kfree(pccontext); + goto out; + } } + + fp->private_data = pccontext; + get_device(clk->dev); + err = 0; out: up_read(&clk->rwsem); return err; diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 6fa67c297e8f..140f8eed83da 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -412,7 +412,6 @@ struct rb_irq_work { struct irq_work work; wait_queue_head_t waiters; wait_queue_head_t full_waiters; - long wait_index; bool waiters_pending; bool full_waiters_pending; bool wakeup_full; @@ -903,8 +902,19 @@ static void rb_wake_up_waiters(struct irq_work *work)

wake_up_all(&rbwork->waiters); if (rbwork->full_waiters_pending || rbwork->wakeup_full) { + /* Only cpu_buffer sets the above flags */ + struct ring_buffer_per_cpu *cpu_buffer = + container_of(rbwork, struct ring_buffer_per_cpu, irq_work); + + /* Called from interrupt context */ + raw_spin_lock(&cpu_buffer->reader_lock); rbwork->wakeup_full = false; rbwork->full_waiters_pending = false; + + /* Waking up all waiters, they will reset the shortest full */ + cpu_buffer->shortest_full = 0; + raw_spin_unlock(&cpu_buffer->reader_lock); + wake_up_all(&rbwork->full_waiters); } } @@ -945,14 +955,95 @@ void ring_buffer_wake_waiters(struct trace_buffer *buffer, int cpu) rbwork = &cpu_buffer->irq_work; }

- rbwork->wait_index++; - /* make sure the waiters see the new index */ - smp_wmb(); - /* This can be called in any context */ irq_work_queue(&rbwork->work); }

+static bool rb_watermark_hit(struct trace_buffer *buffer, int cpu, int full) +{ + struct ring_buffer_per_cpu *cpu_buffer; + bool ret = false; + + /* Reads of all CPUs always waits for any data */ + if (cpu == RING_BUFFER_ALL_CPUS) + return !ring_buffer_empty(buffer); + + cpu_buffer = buffer->buffers[cpu]; + + if (!ring_buffer_empty_cpu(buffer, cpu)) { + unsigned long flags; + bool pagebusy; + + if (!full) + return true; + + raw_spin_lock_irqsave(&cpu_buffer->reader_lock, flags); + pagebusy = cpu_buffer->reader_page == cpu_buffer->commit_page; + ret = !pagebusy && full_hit(buffer, cpu, full); + + if (!ret && (!cpu_buffer->shortest_full || + cpu_buffer->shortest_full > full)) { + cpu_buffer->shortest_full = full; + } + raw_spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags); + } + return ret; +} + +static inline bool +rb_wait_cond(struct rb_irq_work *rbwork, struct trace_buffer *buffer, + int cpu, int full, ring_buffer_cond_fn cond, void *data) +{ + if (rb_watermark_hit(buffer, cpu, full)) + return true; + + if (cond(data)) + return true; + + /* + * The events can happen in critical sections where + * checking a work queue can cause deadlocks. + * After adding a task to the queue, this flag is set + * only to notify events to try to wake up the queue + * using irq_work. + * + * We don't clear it even if the buffer is no longer + * empty. The flag only causes the next event to run + * irq_work to do the work queue wake up. The worse + * that can happen if we race with !trace_empty() is that + * an event will cause an irq_work to try to wake up + * an empty queue. + * + * There's no reason to protect this flag either, as + * the work queue and irq_work logic will do the necessary + * synchronization for the wake ups. The only thing + * that is necessary is that the wake up happens after + * a task has been queued. It's OK for spurious wake ups. + */ + if (full) + rbwork->full_waiters_pending = true; + else + rbwork->waiters_pending = true; + + return false; +} + +/* + * The default wait condition for ring_buffer_wait() is to just to exit the + * wait loop the first time it is woken up. + */ +static bool rb_wait_once(void *data) +{ + long *once = data; + + /* wait_event() actually calls this twice before scheduling*/ + if (*once > 1) + return true; + + (*once)++; + return false; +} + /** * ring_buffer_wait - wait for input to the ring buffer * @buffer: buffer to wait on @@ -966,101 +1057,39 @@ void ring_buffer_wake_waiters(struct trace_buffer *buffer, int cpu) int ring_buffer_wait(struct trace_buffer *buffer, int cpu, int full) { struct ring_buffer_per_cpu *cpu_buffer; - DEFINE_WAIT(wait); - struct rb_irq_work *work; - long wait_index; + struct wait_queue_head *waitq; + ring_buffer_cond_fn cond; + struct rb_irq_work *rbwork; + void *data; + long once = 0; int ret = 0;

+ cond = rb_wait_once; + data = &once; + /* * Depending on what the caller is waiting for, either any * data in any cpu buffer, or a specific buffer, put the * caller on the appropriate wait queue. */ if (cpu == RING_BUFFER_ALL_CPUS) { - work = &buffer->irq_work; + rbwork = &buffer->irq_work; /* Full only makes sense on per cpu reads */ full = 0; } else { if (!cpumask_test_cpu(cpu, buffer->cpumask)) return -ENODEV; cpu_buffer = buffer->buffers[cpu]; - work = &cpu_buffer->irq_work; - } - - wait_index = READ_ONCE(work->wait_index); - - while (true) { - if (full) - prepare_to_wait(&work->full_waiters, &wait, TASK_INTERRUPTIBLE); - else - prepare_to_wait(&work->waiters, &wait, TASK_INTERRUPTIBLE); - - /* - * The events can happen in critical sections where - * checking a work queue can cause deadlocks. - * After adding a task to the queue, this flag is set - * only to notify events to try to wake up the queue - * using irq_work. - * - * We don't clear it even if the buffer is no longer - * empty. The flag only causes the next event to run - * irq_work to do the work queue wake up. The worse - * that can happen if we race with !trace_empty() is that - * an event will cause an irq_work to try to wake up - * an empty queue. - * - * There's no reason to protect this flag either, as - * the work queue and irq_work logic will do the necessary - * synchronization for the wake ups. The only thing - * that is necessary is that the wake up happens after - * a task has been queued. It's OK for spurious wake ups. - */ - if (full) - work->full_waiters_pending = true; - else - work->waiters_pending = true; - - if (signal_pending(current)) { - ret = -EINTR; - break; - } - - if (cpu == RING_BUFFER_ALL_CPUS && !ring_buffer_empty(buffer)) - break; - - if (cpu != RING_BUFFER_ALL_CPUS && - !ring_buffer_empty_cpu(buffer, cpu)) { - unsigned long flags; - bool pagebusy; - bool done; - - if (!full) - break; - - raw_spin_lock_irqsave(&cpu_buffer->reader_lock, flags); - pagebusy = cpu_buffer->reader_page == cpu_buffer->commit_page; - done = !pagebusy && full_hit(buffer, cpu, full); - - if (!cpu_buffer->shortest_full || - cpu_buffer->shortest_full > full) - cpu_buffer->shortest_full = full; - raw_spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags); - if (done) - break; - } - - schedule(); - - /* Make sure to see the new wait index */ - smp_rmb(); - if (wait_index != work->wait_index) - break; + rbwork = &cpu_buffer->irq_work; }

if (full) - finish_wait(&work->full_waiters, &wait); + waitq = &rbwork->full_waiters; else - finish_wait(&work->waiters, &wait); + waitq = &rbwork->waiters; + + ret = wait_event_interruptible((*waitq), + rb_wait_cond(rbwork, buffer, cpu, full, cond, data));

return ret; } @@ -1084,30 +1113,51 @@ __poll_t ring_buffer_poll_wait(struct trace_buffer *buffer, int cpu, struct file *filp, poll_table *poll_table, int full) { struct ring_buffer_per_cpu *cpu_buffer; - struct rb_irq_work *work; + struct rb_irq_work *rbwork;

if (cpu == RING_BUFFER_ALL_CPUS) { - work = &buffer->irq_work; + rbwork = &buffer->irq_work; full = 0; } else { if (!cpumask_test_cpu(cpu, buffer->cpumask)) return EPOLLERR;

cpu_buffer = buffer->buffers[cpu]; - work = &cpu_buffer->irq_work; + rbwork = &cpu_buffer->irq_work; }

if (full) { - poll_wait(filp, &work->full_waiters, poll_table); - work->full_waiters_pending = true; + unsigned long flags; + + poll_wait(filp, &rbwork->full_waiters, poll_table); + + raw_spin_lock_irqsave(&cpu_buffer->reader_lock, flags); if (!cpu_buffer->shortest_full || cpu_buffer->shortest_full > full) cpu_buffer->shortest_full = full; - } else { - poll_wait(filp, &work->waiters, poll_table); - work->waiters_pending = true; + raw_spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags); + if (full_hit(buffer, cpu, full)) + return EPOLLIN | EPOLLRDNORM; + /* + * Only allow full_waiters_pending update to be seen after + * the shortest_full is set. If the writer sees the + * full_waiters_pending flag set, it will compare the + * amount in the ring buffer to shortest_full. If the amount + * in the ring buffer is greater than the shortest_full + * percent, it will call the irq_work handler to wake up + * this list. The irq_handler will reset shortest_full + * back to zero. That's done under the reader_lock, but + * the below smp_mb() makes sure that the update to + * full_waiters_pending doesn't leak up into the above. + */ + smp_mb(); + rbwork->full_waiters_pending = true; + return 0; }

+ poll_wait(filp, &rbwork->waiters, poll_table); + rbwork->waiters_pending = true; + /* * There's a tight race between setting the waiters_pending and * checking if the ring buffer is empty. Once the waiters_pending bit @@ -1123,9 +1173,6 @@ __poll_t ring_buffer_poll_wait(struct trace_buffer *buffer, int cpu, */ smp_mb();

- if (full) - return full_hit(buffer, cpu, full) ? EPOLLIN | EPOLLRDNORM : 0; - if ((cpu == RING_BUFFER_ALL_CPUS && !ring_buffer_empty(buffer)) || (cpu != RING_BUFFER_ALL_CPUS && !ring_buffer_empty_cpu(buffer, cpu))) return EPOLLIN | EPOLLRDNORM; diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 3fdc57450e79..e03960f9f4cf 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -8352,6 +8352,20 @@ tracing_buffers_read(struct file *filp, char __user *ubuf, return size; }

+static int tracing_buffers_flush(struct file *file, fl_owner_t id) +{ + struct ftrace_buffer_info *info = file->private_data; + struct trace_iterator *iter = &info->iter; + + iter->wait_index++; + /* Make sure the waiters see the new wait_index */ + smp_wmb(); + + ring_buffer_wake_waiters(iter->array_buffer->buffer, iter->cpu_file); + + return 0; +} + static int tracing_buffers_release(struct inode *inode, struct file *file) { struct ftrace_buffer_info *info = file->private_data; @@ -8363,12 +8377,6 @@ static int tracing_buffers_release(struct inode *inode, struct file *file)

__trace_array_put(iter->tr);

- iter->wait_index++; - /* Make sure the waiters see the new wait_index */ - smp_wmb(); - - ring_buffer_wake_waiters(iter->array_buffer->buffer, iter->cpu_file); - if (info->spare) ring_buffer_free_read_page(iter->array_buffer->buffer, info->spare_cpu, info->spare); @@ -8582,6 +8590,7 @@ static const struct file_operations tracing_buffers_fops = { .read = tracing_buffers_read, .poll = tracing_buffers_poll, .release = tracing_buffers_release, + .flush = tracing_buffers_flush, .splice_read = tracing_buffers_splice_read, .unlocked_ioctl = tracing_buffers_ioctl, .llseek = no_llseek, diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 6f7cb619aa5e..8f761417a9fa 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -7109,7 +7109,7 @@ void __init workqueue_init_early(void) WQ_FREEZABLE, 0); system_power_efficient_wq = alloc_workqueue("events_power_efficient", WQ_POWER_EFFICIENT, 0); - system_freezable_power_efficient_wq = alloc_workqueue("events_freezable_power_efficient", + system_freezable_power_efficient_wq = alloc_workqueue("events_freezable_pwr_efficient", WQ_FREEZABLE | WQ_POWER_EFFICIENT, 0); BUG_ON(!system_wq || !system_highpri_wq || !system_long_wq || diff --git a/lib/pci_iomap.c b/lib/pci_iomap.c index ce39ce9f3526..2829ddb0e316 100644 --- a/lib/pci_iomap.c +++ b/lib/pci_iomap.c @@ -170,8 +170,8 @@ void pci_iounmap(struct pci_dev *dev, void __iomem *p)

if (addr >= start && addr < start + IO_SPACE_LIMIT) return; - iounmap(p); #endif + iounmap(p); } EXPORT_SYMBOL(pci_iounmap);

diff --git a/mm/compaction.c b/mm/compaction.c index 01ba298739dd..f31d18741a0d 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -2701,16 +2701,11 @@ enum compact_result try_to_compact_pages(gfp_t gfp_mask, unsigned int order, unsigned int alloc_flags, const struct alloc_context *ac, enum compact_priority prio, struct page **capture) { - int may_perform_io = (__force int)(gfp_mask & __GFP_IO); struct zoneref *z; struct zone *zone; enum compact_result rc = COMPACT_SKIPPED;

- /* - * Check if the GFP flags allow compaction - GFP_NOIO is really - * tricky context because the migration might require IO - */ - if (!may_perform_io) + if (!gfp_compaction_allowed(gfp_mask)) return COMPACT_SKIPPED;

trace_mm_compaction_try_to_compact_pages(order, gfp_mask, prio); diff --git a/mm/filemap.c b/mm/filemap.c index 5be7887957c7..321349e2c9c7 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -4150,7 +4150,23 @@ static void filemap_cachestat(struct address_space *mapping, /* shmem file - in swap cache */ swp_entry_t swp = radix_to_swp_entry(folio);

+ /* swapin error results in poisoned entry */ + if (non_swap_entry(swp)) + goto resched; + + /* + * Getting a swap entry from the shmem + * inode means we beat + * shmem_unuse(). rcu_read_lock() + * ensures swapoff waits for us before + * freeing the swapper space. However, + * we can race with swapping and + * invalidation, so there might not be + * a shadow in the swapcache (yet). + */ shadow = get_shadow_from_swap_cache(swp); + if (!shadow) + goto resched; } #endif if (workingset_test_recent(shadow, true, &workingset)) diff --git a/mm/kasan/kasan_test.c b/mm/kasan/kasan_test.c index 34515a106ca5..23906e886b57 100644 --- a/mm/kasan/kasan_test.c +++ b/mm/kasan/kasan_test.c @@ -451,7 +451,8 @@ static void kmalloc_oob_16(struct kunit *test) /* This test is specifically crafted for the generic mode. */ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);

- ptr1 = kmalloc(sizeof(*ptr1) - 3, GFP_KERNEL); + /* RELOC_HIDE to prevent gcc from warning about short alloc */ + ptr1 = RELOC_HIDE(kmalloc(sizeof(*ptr1) - 3, GFP_KERNEL), 0); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);

ptr2 = kmalloc(sizeof(*ptr2), GFP_KERNEL); diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 792fb3a5ce3b..27c9f451d40d 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4379,7 +4379,7 @@ static void __mem_cgroup_threshold(struct mem_cgroup *memcg, bool swap) * only one element of the array here. */ for (; i >= 0 && unlikely(t->entries[i].threshold > usage); i--) - eventfd_signal(t->entries[i].eventfd, 1); + eventfd_signal(t->entries[i].eventfd);

/* i = current_threshold + 1 */ i++; @@ -4391,7 +4391,7 @@ static void __mem_cgroup_threshold(struct mem_cgroup *memcg, bool swap) * only one element of the array here. */ for (; i < t->size && unlikely(t->entries[i].threshold <= usage); i++) - eventfd_signal(t->entries[i].eventfd, 1); + eventfd_signal(t->entries[i].eventfd);

/* Update current_threshold */ t->current_threshold = i - 1; @@ -4431,7 +4431,7 @@ static int mem_cgroup_oom_notify_cb(struct mem_cgroup *memcg) spin_lock(&memcg_oom_lock);

list_for_each_entry(ev, &memcg->oom_notify, list) - eventfd_signal(ev->eventfd, 1); + eventfd_signal(ev->eventfd);

spin_unlock(&memcg_oom_lock); return 0; @@ -4650,7 +4650,7 @@ static int mem_cgroup_oom_register_event(struct mem_cgroup *memcg,

/* already in OOM ? */ if (memcg->under_oom) - eventfd_signal(eventfd, 1); + eventfd_signal(eventfd); spin_unlock(&memcg_oom_lock);

return 0; @@ -4942,7 +4942,7 @@ static void memcg_event_remove(struct work_struct *work) event->unregister_event(memcg, event->eventfd);

/* Notify userspace the event is going away. */ - eventfd_signal(event->eventfd, 1); + eventfd_signal(event->eventfd);

eventfd_ctx_put(event->eventfd); kfree(event); diff --git a/mm/memtest.c b/mm/memtest.c index 32f3e9dda837..c2c609c39119 100644 --- a/mm/memtest.c +++ b/mm/memtest.c @@ -51,10 +51,10 @@ static void __init memtest(u64 pattern, phys_addr_t start_phys, phys_addr_t size last_bad = 0;

for (p = start; p < end; p++) - *p = pattern; + WRITE_ONCE(*p, pattern);

for (p = start; p < end; p++, start_phys_aligned += incr) { - if (*p == pattern) + if (READ_ONCE(*p) == pattern) continue; if (start_phys_aligned == last_bad + incr) { last_bad += incr; diff --git a/mm/mmap.c b/mm/mmap.c index b9a43872acad..23072589fe83 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -954,13 +954,21 @@ static struct vm_area_struct } else if (merge_prev) { /* case 2 */ if (curr) { vma_start_write(curr); - err = dup_anon_vma(prev, curr, &anon_dup); if (end == curr->vm_end) { /* case 7 */ + /* + * can_vma_merge_after() assumed we would not be + * removing prev vma, so it skipped the check + * for vm_ops->close, but we are removing curr + */ + if (curr->vm_ops && curr->vm_ops->close) + err = -EINVAL; remove = curr; } else { /* case 5 */ adjust = curr; adj_start = (end - curr->vm_start); } + if (!err) + err = dup_anon_vma(prev, curr, &anon_dup); } } else { /* merge_next */ vma_start_write(next); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 6d2a74138f45..b1d9dcdabd03 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4042,6 +4042,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, struct alloc_context *ac) { bool can_direct_reclaim = gfp_mask & __GFP_DIRECT_RECLAIM; + bool can_compact = gfp_compaction_allowed(gfp_mask); const bool costly_order = order > PAGE_ALLOC_COSTLY_ORDER; struct page *page = NULL; unsigned int alloc_flags; @@ -4112,7 +4113,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, * Don't try this for allocations that are allowed to ignore * watermarks, as the ALLOC_NO_WATERMARKS attempt didn't yet happen. */ - if (can_direct_reclaim && + if (can_direct_reclaim && can_compact && (costly_order || (order > 0 && ac->migratetype != MIGRATE_MOVABLE)) && !gfp_pfmemalloc_allowed(gfp_mask)) { @@ -4210,9 +4211,10 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,

/* * Do not retry costly high order allocations unless they are - * __GFP_RETRY_MAYFAIL + * __GFP_RETRY_MAYFAIL and we can compact */ - if (costly_order && !(gfp_mask & __GFP_RETRY_MAYFAIL)) + if (costly_order && (!can_compact || + !(gfp_mask & __GFP_RETRY_MAYFAIL))) goto nopage;

if (should_reclaim_retry(gfp_mask, order, ac, alloc_flags, @@ -4225,7 +4227,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, * implementation of the compaction depends on the sufficient amount * of free memory (see __compaction_suitable) */ - if (did_some_progress > 0 && + if (did_some_progress > 0 && can_compact && should_compact_retry(ac, order, alloc_flags, compact_result, &compact_priority, &compaction_retries)) diff --git a/mm/shmem_quota.c b/mm/shmem_quota.c index 062d1c1097ae..ce514e700d2f 100644 --- a/mm/shmem_quota.c +++ b/mm/shmem_quota.c @@ -116,7 +116,7 @@ static int shmem_free_file_info(struct super_block *sb, int type) static int shmem_get_next_id(struct super_block *sb, struct kqid *qid) { struct mem_dqinfo *info = sb_dqinfo(sb, qid->type); - struct rb_node *node = ((struct rb_root *)info->dqi_priv)->rb_node; + struct rb_node *node; qid_t id = from_kqid(&init_user_ns, *qid); struct quota_info *dqopt = sb_dqopt(sb); struct quota_id *entry = NULL; @@ -126,6 +126,7 @@ static int shmem_get_next_id(struct super_block *sb, struct kqid *qid) return -ESRCH;

down_read(&dqopt->dqio_sem); + node = ((struct rb_root *)info->dqi_priv)->rb_node; while (node) { entry = rb_entry(node, struct quota_id, node);

@@ -165,7 +166,7 @@ static int shmem_get_next_id(struct super_block *sb, struct kqid *qid) static int shmem_acquire_dquot(struct dquot *dquot) { struct mem_dqinfo *info = sb_dqinfo(dquot->dq_sb, dquot->dq_id.type); - struct rb_node **n = &((struct rb_root *)info->dqi_priv)->rb_node; + struct rb_node **n; struct shmem_sb_info *sbinfo = dquot->dq_sb->s_fs_info; struct rb_node *parent = NULL, *new_node = NULL; struct quota_id *new_entry, *entry; @@ -176,6 +177,8 @@ static int shmem_acquire_dquot(struct dquot *dquot) mutex_lock(&dquot->dq_lock);

down_write(&dqopt->dqio_sem); + n = &((struct rb_root *)info->dqi_priv)->rb_node; + while (*n) { parent = *n; entry = rb_entry(parent, struct quota_id, node); @@ -264,7 +267,7 @@ static bool shmem_is_empty_dquot(struct dquot *dquot) static int shmem_release_dquot(struct dquot *dquot) { struct mem_dqinfo *info = sb_dqinfo(dquot->dq_sb, dquot->dq_id.type); - struct rb_node *node = ((struct rb_root *)info->dqi_priv)->rb_node; + struct rb_node *node; qid_t id = from_kqid(&init_user_ns, dquot->dq_id); struct quota_info *dqopt = sb_dqopt(dquot->dq_sb); struct quota_id *entry = NULL; @@ -275,6 +278,7 @@ static int shmem_release_dquot(struct dquot *dquot) goto out_dqlock;

down_write(&dqopt->dqio_sem); + node = ((struct rb_root *)info->dqi_priv)->rb_node; while (node) { entry = rb_entry(node, struct quota_id, node);

diff --git a/mm/swapfile.c b/mm/swapfile.c index 022581ec40be..91397a2539cb 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1226,6 +1226,11 @@ static unsigned char __swap_entry_free_locked(struct swap_info_struct *p, * with get_swap_device() and put_swap_device(), unless the swap * functions call get/put_swap_device() by themselves. * + * Note that when only holding the PTL, swapoff might succeed immediately + * after freeing a swap entry. Therefore, immediately after + * __swap_entry_free(), the swap info might become stale and should not + * be touched without a prior get_swap_device(). + * * Check whether swap entry is valid in the swap device. If so, * return pointer to swap_info_struct, and keep the swap entry valid * via preventing the swap device from being swapoff, until @@ -1603,13 +1608,19 @@ int free_swap_and_cache(swp_entry_t entry) if (non_swap_entry(entry)) return 1;

- p = _swap_info_get(entry); + p = get_swap_device(entry); if (p) { + if (WARN_ON(data_race(!p->swap_map[swp_offset(entry)]))) { + put_swap_device(p); + return 0; + } + count = __swap_entry_free(p, entry); if (count == SWAP_HAS_CACHE && !swap_page_trans_huge_swapped(p, entry)) __try_to_reclaim_swap(p, swp_offset(entry), TTRS_UNMAPPED | TTRS_FULL); + put_swap_device(p); } return p != NULL; } diff --git a/mm/vmpressure.c b/mm/vmpressure.c index 22c6689d9302..bd5183dfd879 100644 --- a/mm/vmpressure.c +++ b/mm/vmpressure.c @@ -169,7 +169,7 @@ static bool vmpressure_event(struct vmpressure *vmpr, continue; if (level < ev->level) continue; - eventfd_signal(ev->efd, 1); + eventfd_signal(ev->efd); ret = true; } mutex_unlock(&vmpr->events_lock); diff --git a/mm/vmscan.c b/mm/vmscan.c index bba207f41b14..ebaf79d6830e 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -5733,7 +5733,7 @@ static void shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc) /* Use reclaim/compaction for costly allocs or under memory pressure */ static bool in_reclaim_compaction(struct scan_control *sc) { - if (IS_ENABLED(CONFIG_COMPACTION) && sc->order && + if (gfp_compaction_allowed(sc->gfp_mask) && sc->order && (sc->order > PAGE_ALLOC_COSTLY_ORDER || sc->priority < DEF_PRIORITY - 2)) return true; @@ -5978,6 +5978,9 @@ static inline bool compaction_ready(struct zone *zone, struct scan_control *sc) { unsigned long watermark;

+ if (!gfp_compaction_allowed(sc->gfp_mask)) + return false; + /* Allocation can already succeed, nothing to do */ if (zone_watermark_ok(zone, sc->order, min_wmark_pages(zone), sc->reclaim_idx, 0)) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 7d5334b52983..0592369579ab 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -2842,7 +2842,7 @@ static void hci_cancel_cmd_sync(struct hci_dev *hdev, int err) cancel_delayed_work_sync(&hdev->ncmd_timer); atomic_set(&hdev->cmd_cnt, 1);

- hci_cmd_sync_cancel_sync(hdev, -err); + hci_cmd_sync_cancel_sync(hdev, err); }

/* Suspend HCI device */ @@ -2862,7 +2862,7 @@ int hci_suspend_dev(struct hci_dev *hdev) return 0;

/* Cancel potentially blocking sync operation before suspend */ - hci_cancel_cmd_sync(hdev, -EHOSTDOWN); + hci_cancel_cmd_sync(hdev, EHOSTDOWN);

hci_req_sync_lock(hdev); ret = hci_suspend_sync(hdev); @@ -4178,7 +4178,7 @@ static void hci_send_cmd_sync(struct hci_dev *hdev, struct sk_buff *skb)

err = hci_send_frame(hdev, skb); if (err < 0) { - hci_cmd_sync_cancel_sync(hdev, err); + hci_cmd_sync_cancel_sync(hdev, -err); return; }

diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index 183501f92181..5ce71c483b7c 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -679,7 +679,10 @@ void hci_cmd_sync_cancel_sync(struct hci_dev *hdev, int err) bt_dev_dbg(hdev, "err 0x%2.2x", err);

if (hdev->req_status == HCI_REQ_PEND) { - hdev->req_result = err; + /* req_result is __u32 so error must be positive to be properly + * propagated. + */ + hdev->req_result = err < 0 ? -err : err; hdev->req_status = HCI_REQ_CANCELED;

wake_up_interruptible(&hdev->req_wait_q); diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index 4ccfc104f13a..fe501d2186bc 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -95,7 +95,7 @@ static inline struct scatterlist *esp_req_sg(struct crypto_aead *aead, __alignof__(struct scatterlist)); }

-static void esp_ssg_unref(struct xfrm_state *x, void *tmp) +static void esp_ssg_unref(struct xfrm_state *x, void *tmp, struct sk_buff *skb) { struct crypto_aead *aead = x->data; int extralen = 0; @@ -114,7 +114,7 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp) */ if (req->src != req->dst) for (sg = sg_next(req->src); sg; sg = sg_next(sg)) - put_page(sg_page(sg)); + skb_page_unref(skb, sg_page(sg), false); }

#ifdef CONFIG_INET_ESPINTCP @@ -260,7 +260,7 @@ static void esp_output_done(void *data, int err) }

tmp = ESP_SKB_CB(skb)->tmp; - esp_ssg_unref(x, tmp); + esp_ssg_unref(x, tmp, skb); kfree(tmp);

if (xo && (xo->flags & XFRM_DEV_RESUME)) { @@ -639,7 +639,7 @@ int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info * }

if (sg != dsg) - esp_ssg_unref(x, tmp); + esp_ssg_unref(x, tmp, skb);

if (!err && x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP) err = esp_output_tail_tcp(x, skb); diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index 2cc1a45742d8..a3fa3eda388a 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -112,7 +112,7 @@ static inline struct scatterlist *esp_req_sg(struct crypto_aead *aead, __alignof__(struct scatterlist)); }

-static void esp_ssg_unref(struct xfrm_state *x, void *tmp) +static void esp_ssg_unref(struct xfrm_state *x, void *tmp, struct sk_buff *skb) { struct crypto_aead *aead = x->data; int extralen = 0; @@ -131,7 +131,7 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp) */ if (req->src != req->dst) for (sg = sg_next(req->src); sg; sg = sg_next(sg)) - put_page(sg_page(sg)); + skb_page_unref(skb, sg_page(sg), false); }

#ifdef CONFIG_INET6_ESPINTCP @@ -294,7 +294,7 @@ static void esp_output_done(void *data, int err) }

tmp = ESP_SKB_CB(skb)->tmp; - esp_ssg_unref(x, tmp); + esp_ssg_unref(x, tmp, skb); kfree(tmp);

esp_output_encap_csum(skb); @@ -677,7 +677,7 @@ int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info }

if (sg != dsg) - esp_ssg_unref(x, tmp); + esp_ssg_unref(x, tmp, skb);

if (!err && x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP) err = esp_output_tail_tcp(x, skb); diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index b382c2e0a39a..ebaf930bb4c9 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1869,7 +1869,7 @@ static int sta_link_apply_parameters(struct ieee80211_local *local, sband->band); }

- ieee80211_sta_set_rx_nss(link_sta); + ieee80211_sta_init_nss(link_sta);

return ret; } @@ -2164,15 +2164,14 @@ static int ieee80211_change_station(struct wiphy *wiphy, }

if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && - sta->sdata->u.vlan.sta) { - ieee80211_clear_fast_rx(sta); + sta->sdata->u.vlan.sta) RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); - }

if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) ieee80211_vif_dec_num_mcast(sta->sdata);

sta->sdata = vlansdata; + ieee80211_check_fast_rx(sta); ieee80211_check_fast_xmit(sta);

if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) { diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 84df104f272b..e0a792a7707c 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -2109,7 +2109,7 @@ enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct link_sta_info *link_sta); enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta); -void ieee80211_sta_set_rx_nss(struct link_sta_info *link_sta); +void ieee80211_sta_init_nss(struct link_sta_info *link_sta); enum ieee80211_sta_rx_bandwidth ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width); enum nl80211_chan_width diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index 9d33fd2377c8..0efdaa8f2a92 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -37,7 +37,7 @@ void rate_control_rate_init(struct sta_info *sta) struct ieee80211_supported_band *sband; struct ieee80211_chanctx_conf *chanctx_conf;

- ieee80211_sta_set_rx_nss(&sta->deflink); + ieee80211_sta_init_nss(&sta->deflink);

if (!ref) return; diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 7acf2223e47a..f4713046728a 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -3,7 +3,7 @@ * Copyright 2002-2005, Devicescape Software, Inc. * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright(c) 2015-2017 Intel Deutschland GmbH - * Copyright(c) 2020-2023 Intel Corporation + * Copyright(c) 2020-2024 Intel Corporation */

#ifndef STA_INFO_H @@ -482,6 +482,8 @@ struct ieee80211_fragment_cache { * same for non-MLD STA. This is used as key for searching link STA * @link_id: Link ID uniquely identifying the link STA. This is 0 for non-MLD * and set to the corresponding vif LinkId for MLD STA + * @op_mode_nss: NSS limit as set by operating mode notification, or 0 + * @capa_nss: NSS limit as determined by local and peer capabilities * @link_hash_node: hash node for rhashtable * @sta: Points to the STA info * @gtk: group keys negotiated with this station, if any @@ -518,6 +520,8 @@ struct link_sta_info { u8 addr[ETH_ALEN]; u8 link_id;

+ u8 op_mode_nss, capa_nss; + struct rhlist_head link_hash_node;

struct sta_info *sta; diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index b3a5c3e96a72..bc13b1419981 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -4,7 +4,7 @@ * * Portions of this file * Copyright(c) 2015 - 2016 Intel Deutschland GmbH - * Copyright (C) 2018 - 2023 Intel Corporation + * Copyright (C) 2018 - 2024 Intel Corporation */

#include <linux/ieee80211.h> @@ -541,15 +541,11 @@ ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta) return bw; }

-void ieee80211_sta_set_rx_nss(struct link_sta_info *link_sta) +void ieee80211_sta_init_nss(struct link_sta_info *link_sta) { u8 ht_rx_nss = 0, vht_rx_nss = 0, he_rx_nss = 0, eht_rx_nss = 0, rx_nss; bool support_160;

- /* if we received a notification already don't overwrite it */ - if (link_sta->pub->rx_nss) - return; - if (link_sta->pub->eht_cap.has_eht) { int i; const u8 *rx_nss_mcs = (void *)&link_sta->pub->eht_cap.eht_mcs_nss_supp; @@ -627,7 +623,15 @@ void ieee80211_sta_set_rx_nss(struct link_sta_info *link_sta) rx_nss = max(vht_rx_nss, ht_rx_nss); rx_nss = max(he_rx_nss, rx_nss); rx_nss = max(eht_rx_nss, rx_nss); - link_sta->pub->rx_nss = max_t(u8, 1, rx_nss); + rx_nss = max_t(u8, 1, rx_nss); + link_sta->capa_nss = rx_nss; + + /* that shouldn't be set yet, but we can handle it anyway */ + if (link_sta->op_mode_nss) + link_sta->pub->rx_nss = + min_t(u8, rx_nss, link_sta->op_mode_nss); + else + link_sta->pub->rx_nss = rx_nss; }

u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, @@ -637,7 +641,7 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, enum ieee80211_sta_rx_bandwidth new_bw; struct sta_opmode_info sta_opmode = {}; u32 changed = 0; - u8 nss, cur_nss; + u8 nss;

/* ignore - no support for BF yet */ if (opmode & IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF) @@ -647,23 +651,17 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, nss >>= IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT; nss += 1;

- if (link_sta->pub->rx_nss != nss) { - cur_nss = link_sta->pub->rx_nss; - /* Reset rx_nss and call ieee80211_sta_set_rx_nss() which - * will set the same to max nss value calculated based on capability. - */ - link_sta->pub->rx_nss = 0; - ieee80211_sta_set_rx_nss(link_sta); - /* Do not allow an nss change to rx_nss greater than max_nss - * negotiated and capped to APs capability during association. - */ - if (nss <= link_sta->pub->rx_nss) { - link_sta->pub->rx_nss = nss; - sta_opmode.rx_nss = nss; - changed |= IEEE80211_RC_NSS_CHANGED; - sta_opmode.changed |= STA_OPMODE_N_SS_CHANGED; + if (link_sta->op_mode_nss != nss) { + if (nss <= link_sta->capa_nss) { + link_sta->op_mode_nss = nss; + + if (nss != link_sta->pub->rx_nss) { + link_sta->pub->rx_nss = nss; + changed |= IEEE80211_RC_NSS_CHANGED; + sta_opmode.rx_nss = link_sta->pub->rx_nss; + sta_opmode.changed |= STA_OPMODE_N_SS_CHANGED; + } } else { - link_sta->pub->rx_nss = cur_nss; pr_warn_ratelimited("Ignoring NSS change in VHT Operating Mode Notification from %pM with invalid nss %d", link_sta->pub->addr, nss); } diff --git a/net/mac802154/llsec.c b/net/mac802154/llsec.c index 8d2eabc71bbe..f13b07ebfb98 100644 --- a/net/mac802154/llsec.c +++ b/net/mac802154/llsec.c @@ -265,19 +265,27 @@ int mac802154_llsec_key_add(struct mac802154_llsec *sec, return -ENOMEM; }

+static void mac802154_llsec_key_del_rcu(struct rcu_head *rcu) +{ + struct ieee802154_llsec_key_entry *pos; + struct mac802154_llsec_key *mkey; + + pos = container_of(rcu, struct ieee802154_llsec_key_entry, rcu); + mkey = container_of(pos->key, struct mac802154_llsec_key, key); + + llsec_key_put(mkey); + kfree_sensitive(pos); +} + int mac802154_llsec_key_del(struct mac802154_llsec *sec, const struct ieee802154_llsec_key_id *key) { struct ieee802154_llsec_key_entry *pos;

list_for_each_entry(pos, &sec->table.keys, list) { - struct mac802154_llsec_key *mkey; - - mkey = container_of(pos->key, struct mac802154_llsec_key, key); - if (llsec_key_id_equal(&pos->id, key)) { list_del_rcu(&pos->list); - llsec_key_put(mkey); + call_rcu(&pos->rcu, mac802154_llsec_key_del_rcu); return 0; } } diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 0130c2782cdc..d07872814fee 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -5000,6 +5000,12 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info, if ((flags & (NFT_SET_EVAL | NFT_SET_OBJECT)) == (NFT_SET_EVAL | NFT_SET_OBJECT)) return -EOPNOTSUPP; + if ((flags & (NFT_SET_ANONYMOUS | NFT_SET_TIMEOUT | NFT_SET_EVAL)) == + (NFT_SET_ANONYMOUS | NFT_SET_TIMEOUT)) + return -EOPNOTSUPP; + if ((flags & (NFT_SET_CONSTANT | NFT_SET_TIMEOUT)) == + (NFT_SET_CONSTANT | NFT_SET_TIMEOUT)) + return -EOPNOTSUPP; }

desc.dtype = 0; @@ -5423,6 +5429,7 @@ static void nf_tables_unbind_set(const struct nft_ctx *ctx, struct nft_set *set,

if (list_empty(&set->bindings) && nft_set_is_anonymous(set)) { list_del_rcu(&set->list); + set->dead = 1; if (event) nf_tables_set_notify(ctx, set, NFT_MSG_DELSET, GFP_KERNEL); diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c index a161c64d1765..838ad6541a17 100644 --- a/net/wireless/wext-core.c +++ b/net/wireless/wext-core.c @@ -4,6 +4,7 @@ * Authors : Jean Tourrilhes - HPL - jt@hpl.hp.com * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved. * Copyright 2009 Johannes Berg johannes@sipsolutions.net + * Copyright (C) 2024 Intel Corporation * * (As all part of the Linux kernel, this file is GPL) */ @@ -662,7 +663,8 @@ struct iw_statistics *get_wireless_stats(struct net_device *dev) dev->ieee80211_ptr->wiphy->wext && dev->ieee80211_ptr->wiphy->wext->get_wireless_stats) { wireless_warn_cfg80211_wext(); - if (dev->ieee80211_ptr->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO) + if (dev->ieee80211_ptr->wiphy->flags & (WIPHY_FLAG_SUPPORTS_MLO | + WIPHY_FLAG_DISABLE_WEXT)) return NULL; return dev->ieee80211_ptr->wiphy->wext->get_wireless_stats(dev); } @@ -704,7 +706,8 @@ static iw_handler get_handler(struct net_device *dev, unsigned int cmd) #ifdef CONFIG_CFG80211_WEXT if (dev->ieee80211_ptr && dev->ieee80211_ptr->wiphy) { wireless_warn_cfg80211_wext(); - if (dev->ieee80211_ptr->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO) + if (dev->ieee80211_ptr->wiphy->flags & (WIPHY_FLAG_SUPPORTS_MLO | + WIPHY_FLAG_DISABLE_WEXT)) return NULL; handlers = dev->ieee80211_ptr->wiphy->wext; } diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index ad01997c3aa9..444e58bc3f44 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -2017,6 +2017,9 @@ static int copy_to_user_tmpl(struct xfrm_policy *xp, struct sk_buff *skb) if (xp->xfrm_nr == 0) return 0;

+ if (xp->xfrm_nr > XFRM_MAX_DEPTH) + return -ENOBUFS; + for (i = 0; i < xp->xfrm_nr; i++) { struct xfrm_user_tmpl *up = &vec[i]; struct xfrm_tmpl *kp = &xp->xfrm_vec[i]; diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c index 69ba0281f9e0..2284b3751240 100644 --- a/samples/vfio-mdev/mtty.c +++ b/samples/vfio-mdev/mtty.c @@ -234,10 +234,10 @@ static void mtty_trigger_interrupt(struct mdev_state *mdev_state)

if (is_msi(mdev_state)) { if (mdev_state->msi_evtfd) - eventfd_signal(mdev_state->msi_evtfd, 1); + eventfd_signal(mdev_state->msi_evtfd); } else if (is_intx(mdev_state)) { if (mdev_state->intx_evtfd && !mdev_state->intx_mask) { - eventfd_signal(mdev_state->intx_evtfd, 1); + eventfd_signal(mdev_state->intx_evtfd); mdev_state->intx_mask = true; } } diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index 2fe6f2828d37..16c750bb95fa 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -143,6 +143,8 @@ KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast) KBUILD_CFLAGS += -Wno-tautological-constant-out-of-range-compare KBUILD_CFLAGS += $(call cc-disable-warning, unaligned-access) KBUILD_CFLAGS += $(call cc-disable-warning, cast-function-type-strict) +KBUILD_CFLAGS += -Wno-enum-compare-conditional +KBUILD_CFLAGS += -Wno-enum-enum-conversion endif

endif diff --git a/security/landlock/syscalls.c b/security/landlock/syscalls.c index 898358f57fa0..6788e73b6681 100644 --- a/security/landlock/syscalls.c +++ b/security/landlock/syscalls.c @@ -33,6 +33,18 @@ #include "ruleset.h" #include "setup.h"

+static bool is_initialized(void) +{ + if (likely(landlock_initialized)) + return true; + + pr_warn_once( + "Disabled but requested by user space. " + "You should enable Landlock at boot time: " + "https://docs.kernel.org/userspace-api/landlock.html#boot-time-configuration%..."); + return false; +} + /** * copy_min_struct_from_user - Safe future-proof argument copying * @@ -173,7 +185,7 @@ SYSCALL_DEFINE3(landlock_create_ruleset, /* Build-time checks. */ build_check_abi();

- if (!landlock_initialized) + if (!is_initialized()) return -EOPNOTSUPP;

if (flags) { @@ -398,7 +410,7 @@ SYSCALL_DEFINE4(landlock_add_rule, const int, ruleset_fd, struct landlock_ruleset *ruleset; int err;

- if (!landlock_initialized) + if (!is_initialized()) return -EOPNOTSUPP;

/* No flag for now. */ @@ -458,7 +470,7 @@ SYSCALL_DEFINE2(landlock_restrict_self, const int, ruleset_fd, const __u32, struct landlock_cred_security *new_llcred; int err;

- if (!landlock_initialized) + if (!is_initialized()) return -EOPNOTSUPP;

/* diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 1f1ea8529421..e1e297deb02e 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -1312,7 +1312,8 @@ static int smack_inode_setxattr(struct mnt_idmap *idmap, check_star = 1; } else if (strcmp(name, XATTR_NAME_SMACKTRANSMUTE) == 0) { check_priv = 1; - if (size != TRANS_TRUE_SIZE || + if (!S_ISDIR(d_backing_inode(dentry)->i_mode) || + size != TRANS_TRUE_SIZE || strncmp(value, TRANS_TRUE, TRANS_TRUE_SIZE) != 0) rc = -EINVAL; } else @@ -2853,6 +2854,15 @@ static int smack_inode_setsecurity(struct inode *inode, const char *name, if (value == NULL || size > SMK_LONGLABEL || size == 0) return -EINVAL;

+ if (strcmp(name, XATTR_SMACK_TRANSMUTE) == 0) { + if (!S_ISDIR(inode->i_mode) || size != TRANS_TRUE_SIZE || + strncmp(value, TRANS_TRUE, TRANS_TRUE_SIZE) != 0) + return -EINVAL; + + nsp->smk_flags |= SMK_INODE_TRANSMUTE; + return 0; + } + skp = smk_import_entry(value, size); if (IS_ERR(skp)) return PTR_ERR(skp); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 0c746613c5ae..27be1feb8c53 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -10045,6 +10045,10 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x8c70, "HP EliteBook 835 G11", ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x8c71, "HP EliteBook 845 G11", ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x8c72, "HP EliteBook 865 G11", ALC287_FIXUP_CS35L41_I2C_2_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8c8a, "HP EliteBook 630", ALC236_FIXUP_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8c8c, "HP EliteBook 660", ALC236_FIXUP_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8c90, "HP EliteBook 640", ALC236_FIXUP_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x8c91, "HP EliteBook 660", ALC236_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x8c96, "HP", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF), SND_PCI_QUIRK(0x103c, 0x8c97, "HP ZBook", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF), SND_PCI_QUIRK(0x103c, 0x8ca1, "HP ZBook Power", ALC236_FIXUP_HP_GPIO_LED), @@ -11046,6 +11050,8 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { * at most one tbl is allowed to define for the same vendor and same codec */ static const struct snd_hda_pin_quirk alc269_fallback_pin_fixup_tbl[] = { + SND_HDA_PIN_QUIRK(0x10ec0256, 0x1025, "Acer", ALC2XX_FIXUP_HEADSET_MIC, + {0x19, 0x40000000}), SND_HDA_PIN_QUIRK(0x10ec0289, 0x1028, "Dell", ALC269_FIXUP_DELL4_MIC_NO_PRESENCE, {0x19, 0x40000000}, {0x1b, 0x40000000}), @@ -11735,8 +11741,7 @@ static void alc897_hp_automute_hook(struct hda_codec *codec,

snd_hda_gen_hp_automute(codec, jack); vref = spec->gen.hp_jack_present ? (PIN_HP | AC_PINCTL_VREF_100) : PIN_HP; - snd_hda_codec_write(codec, 0x1b, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, - vref); + snd_hda_set_pin_ctl(codec, 0x1b, vref); }

static void alc897_fixup_lenovo_headset_mic(struct hda_codec *codec, @@ -11745,6 +11750,10 @@ static void alc897_fixup_lenovo_headset_mic(struct hda_codec *codec, struct alc_spec *spec = codec->spec; if (action == HDA_FIXUP_ACT_PRE_PROBE) { spec->gen.hp_automute_hook = alc897_hp_automute_hook; + spec->no_shutup_pins = 1; + } + if (action == HDA_FIXUP_ACT_PROBE) { + snd_hda_set_pin_ctl_cache(codec, 0x1a, PIN_IN | AC_PINCTL_VREF_100); } }

diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index 5179b69e403a..9f3dc13a3b6a 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -71,7 +71,7 @@ struct tas2781_hda { struct snd_kcontrol *dsp_prog_ctl; struct snd_kcontrol *dsp_conf_ctl; struct snd_kcontrol *prof_ctl; - struct snd_kcontrol *snd_ctls[3]; + struct snd_kcontrol *snd_ctls[2]; };

static int tas2781_get_i2c_res(struct acpi_resource *ares, void *data) @@ -179,8 +179,12 @@ static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol, { struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);

+ mutex_lock(&tas_priv->codec_lock); + ucontrol->value.integer.value[0] = tas_priv->rcabin.profile_cfg_id;

+ mutex_unlock(&tas_priv->codec_lock); + return 0; }

@@ -194,11 +198,15 @@ static int tasdevice_set_profile_id(struct snd_kcontrol *kcontrol,

val = clamp(nr_profile, 0, max);

+ mutex_lock(&tas_priv->codec_lock); + if (tas_priv->rcabin.profile_cfg_id != val) { tas_priv->rcabin.profile_cfg_id = val; ret = 1; }

+ mutex_unlock(&tas_priv->codec_lock); + return ret; }

@@ -235,8 +243,12 @@ static int tasdevice_program_get(struct snd_kcontrol *kcontrol, { struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);

+ mutex_lock(&tas_priv->codec_lock); + ucontrol->value.integer.value[0] = tas_priv->cur_prog;

+ mutex_unlock(&tas_priv->codec_lock); + return 0; }

@@ -251,11 +263,15 @@ static int tasdevice_program_put(struct snd_kcontrol *kcontrol,

val = clamp(nr_program, 0, max);

+ mutex_lock(&tas_priv->codec_lock); + if (tas_priv->cur_prog != val) { tas_priv->cur_prog = val; ret = 1; }

+ mutex_unlock(&tas_priv->codec_lock); + return ret; }

@@ -264,8 +280,12 @@ static int tasdevice_config_get(struct snd_kcontrol *kcontrol, { struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);

+ mutex_lock(&tas_priv->codec_lock); + ucontrol->value.integer.value[0] = tas_priv->cur_conf;

+ mutex_unlock(&tas_priv->codec_lock); + return 0; }

@@ -280,33 +300,16 @@ static int tasdevice_config_put(struct snd_kcontrol *kcontrol,

val = clamp(nr_config, 0, max);

+ mutex_lock(&tas_priv->codec_lock); + if (tas_priv->cur_conf != val) { tas_priv->cur_conf = val; ret = 1; }

- return ret; -} + mutex_unlock(&tas_priv->codec_lock);

-/* - * tas2781_digital_getvol - get the volum control - * @kcontrol: control pointer - * @ucontrol: User data - * Customer Kcontrol for tas2781 is primarily for regmap booking, paging - * depends on internal regmap mechanism. - * tas2781 contains book and page two-level register map, especially - * book switching will set the register BXXP00R7F, after switching to the - * correct book, then leverage the mechanism for paging to access the - * register. - */ -static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; - - return tasdevice_digital_getvol(tas_priv, ucontrol, mc); + return ret; }

static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol, @@ -315,19 +318,15 @@ static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol, struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; + int ret;

- return tasdevice_amp_getvol(tas_priv, ucontrol, mc); -} + mutex_lock(&tas_priv->codec_lock);

-static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; + ret = tasdevice_amp_getvol(tas_priv, ucontrol, mc); + + mutex_unlock(&tas_priv->codec_lock);

- /* The check of the given value is in tasdevice_digital_putvol. */ - return tasdevice_digital_putvol(tas_priv, ucontrol, mc); + return ret; }

static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol, @@ -336,9 +335,16 @@ static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol, struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; + int ret; + + mutex_lock(&tas_priv->codec_lock);

/* The check of the given value is in tasdevice_amp_putvol. */ - return tasdevice_amp_putvol(tas_priv, ucontrol, mc); + ret = tasdevice_amp_putvol(tas_priv, ucontrol, mc); + + mutex_unlock(&tas_priv->codec_lock); + + return ret; }

static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol, @@ -346,10 +352,14 @@ static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol, { struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol);

+ mutex_lock(&tas_priv->codec_lock); + ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status; dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__, tas_priv->force_fwload_status ? "ON" : "OFF");

+ mutex_unlock(&tas_priv->codec_lock); + return 0; }

@@ -359,6 +369,8 @@ static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol, struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); bool change, val = (bool)ucontrol->value.integer.value[0];

+ mutex_lock(&tas_priv->codec_lock); + if (tas_priv->force_fwload_status == val) change = false; else { @@ -368,6 +380,8 @@ static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol, dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__, tas_priv->force_fwload_status ? "ON" : "OFF");

+ mutex_unlock(&tas_priv->codec_lock); + return change; }

@@ -375,9 +389,6 @@ static const struct snd_kcontrol_new tas2781_snd_controls[] = { ACARD_SINGLE_RANGE_EXT_TLV("Speaker Analog Gain", TAS2781_AMP_LEVEL, 1, 0, 20, 0, tas2781_amp_getvol, tas2781_amp_putvol, amp_vol_tlv), - ACARD_SINGLE_RANGE_EXT_TLV("Speaker Digital Gain", TAS2781_DVC_LVL, - 0, 0, 200, 1, tas2781_digital_getvol, - tas2781_digital_putvol, dvc_tlv), ACARD_SINGLE_BOOL_EXT("Speaker Force Firmware Load", 0, tas2781_force_fwload_get, tas2781_force_fwload_put), }; diff --git a/sound/sh/aica.c b/sound/sh/aica.c index 320ac792c7fe..3182c634464d 100644 --- a/sound/sh/aica.c +++ b/sound/sh/aica.c @@ -278,7 +278,8 @@ static void run_spu_dma(struct work_struct *work) dreamcastcard->clicks++; if (unlikely(dreamcastcard->clicks >= AICA_PERIOD_NUMBER)) dreamcastcard->clicks %= AICA_PERIOD_NUMBER; - mod_timer(&dreamcastcard->timer, jiffies + 1); + if (snd_pcm_running(dreamcastcard->substream)) + mod_timer(&dreamcastcard->timer, jiffies + 1); } }

@@ -290,6 +291,8 @@ static void aica_period_elapsed(struct timer_list *t) /*timer function - so cannot sleep */ int play_period; struct snd_pcm_runtime *runtime; + if (!snd_pcm_running(substream)) + return; runtime = substream->runtime; dreamcastcard = substream->pcm->private_data; /* Have we played out an additional period? */ @@ -350,12 +353,19 @@ static int snd_aicapcm_pcm_open(struct snd_pcm_substream return 0; }

+static int snd_aicapcm_pcm_sync_stop(struct snd_pcm_substream *substream) +{ + struct snd_card_aica *dreamcastcard = substream->pcm->private_data; + + del_timer_sync(&dreamcastcard->timer); + cancel_work_sync(&dreamcastcard->spu_dma_work); + return 0; +} + static int snd_aicapcm_pcm_close(struct snd_pcm_substream *substream) { struct snd_card_aica *dreamcastcard = substream->pcm->private_data; - flush_work(&(dreamcastcard->spu_dma_work)); - del_timer(&dreamcastcard->timer); dreamcastcard->substream = NULL; kfree(dreamcastcard->channel); spu_disable(); @@ -401,6 +411,7 @@ static const struct snd_pcm_ops snd_aicapcm_playback_ops = { .prepare = snd_aicapcm_pcm_prepare, .trigger = snd_aicapcm_pcm_trigger, .pointer = snd_aicapcm_pcm_pointer, + .sync_stop = snd_aicapcm_pcm_sync_stop, };

/* TO DO: set up to handle more than one pcm instance */ diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c index 90360f8b3e81..1d1452c29ed0 100644 --- a/sound/soc/amd/yc/acp6x-mach.c +++ b/sound/soc/amd/yc/acp6x-mach.c @@ -199,13 +199,6 @@ static const struct dmi_system_id yc_acp_quirk_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "21HY"), } }, - { - .driver_data = &acp6x_card, - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "21J2"), - } - }, { .driver_data = &acp6x_card, .matches = { diff --git a/tools/include/linux/btf_ids.h b/tools/include/linux/btf_ids.h index 72535f00572f..72ea363d434d 100644 --- a/tools/include/linux/btf_ids.h +++ b/tools/include/linux/btf_ids.h @@ -3,6 +3,8 @@ #ifndef _LINUX_BTF_IDS_H #define _LINUX_BTF_IDS_H

+#include <linux/types.h> /* for u32 */ + struct btf_id_set { u32 cnt; u32 ids[]; diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 8d7c31bd2ebf..cd64ae44ccbd 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1027,8 +1027,8 @@ static int perf_top__start_counters(struct perf_top *top)

evlist__for_each_entry(evlist, counter) { try_again: - if (evsel__open(counter, top->evlist->core.user_requested_cpus, - top->evlist->core.threads) < 0) { + if (evsel__open(counter, counter->core.cpus, + counter->core.threads) < 0) {

/* * Specially handle overwrite fall back. diff --git a/tools/testing/selftests/mm/gup_test.c b/tools/testing/selftests/mm/gup_test.c index ec2229136384..18a49c70d4c6 100644 --- a/tools/testing/selftests/mm/gup_test.c +++ b/tools/testing/selftests/mm/gup_test.c @@ -50,39 +50,41 @@ static char *cmd_to_str(unsigned long cmd) void *gup_thread(void *data) { struct gup_test gup = *(struct gup_test *)data; - int i; + int i, status;

/* Only report timing information on the *_BENCHMARK commands: */ if ((cmd == PIN_FAST_BENCHMARK) || (cmd == GUP_FAST_BENCHMARK) || (cmd == PIN_LONGTERM_BENCHMARK)) { for (i = 0; i < repeats; i++) { gup.size = size; - if (ioctl(gup_fd, cmd, &gup)) - perror("ioctl"), exit(1); + status = ioctl(gup_fd, cmd, &gup); + if (status) + break;

pthread_mutex_lock(&print_mutex); - printf("%s: Time: get:%lld put:%lld us", - cmd_to_str(cmd), gup.get_delta_usec, - gup.put_delta_usec); + ksft_print_msg("%s: Time: get:%lld put:%lld us", + cmd_to_str(cmd), gup.get_delta_usec, + gup.put_delta_usec); if (gup.size != size) - printf(", truncated (size: %lld)", gup.size); - printf("\n"); + ksft_print_msg(", truncated (size: %lld)", gup.size); + ksft_print_msg("\n"); pthread_mutex_unlock(&print_mutex); } } else { gup.size = size; - if (ioctl(gup_fd, cmd, &gup)) { - perror("ioctl"); - exit(1); - } + status = ioctl(gup_fd, cmd, &gup); + if (status) + goto return_;

pthread_mutex_lock(&print_mutex); - printf("%s: done\n", cmd_to_str(cmd)); + ksft_print_msg("%s: done\n", cmd_to_str(cmd)); if (gup.size != size) - printf("Truncated (size: %lld)\n", gup.size); + ksft_print_msg("Truncated (size: %lld)\n", gup.size); pthread_mutex_unlock(&print_mutex); }

+return_: + ksft_test_result(!status, "ioctl status %d\n", status); return NULL; }

@@ -170,7 +172,7 @@ int main(int argc, char **argv) touch = 1; break; default: - return -1; + ksft_exit_fail_msg("Wrong argument\n"); } }

@@ -198,11 +200,12 @@ int main(int argc, char **argv) } }

- filed = open(file, O_RDWR|O_CREAT); - if (filed < 0) { - perror("open"); - exit(filed); - } + ksft_print_header(); + ksft_set_plan(nthreads); + + filed = open(file, O_RDWR|O_CREAT, 0664); + if (filed < 0) + ksft_exit_fail_msg("Unable to open %s: %s\n", file, strerror(errno));

gup.nr_pages_per_call = nr_pages; if (write) @@ -213,27 +216,24 @@ int main(int argc, char **argv) switch (errno) { case EACCES: if (getuid()) - printf("Please run this test as root\n"); + ksft_print_msg("Please run this test as root\n"); break; case ENOENT: - if (opendir("/sys/kernel/debug") == NULL) { - printf("mount debugfs at /sys/kernel/debug\n"); - break; - } - printf("check if CONFIG_GUP_TEST is enabled in kernel config\n"); + if (opendir("/sys/kernel/debug") == NULL) + ksft_print_msg("mount debugfs at /sys/kernel/debug\n"); + ksft_print_msg("check if CONFIG_GUP_TEST is enabled in kernel config\n"); break; default: - perror("failed to open " GUP_TEST_FILE); + ksft_print_msg("failed to open %s: %s\n", GUP_TEST_FILE, strerror(errno)); break; } - exit(KSFT_SKIP); + ksft_test_result_skip("Please run this test as root\n"); + return ksft_exit_pass(); }

p = mmap(NULL, size, PROT_READ | PROT_WRITE, flags, filed, 0); - if (p == MAP_FAILED) { - perror("mmap"); - exit(1); - } + if (p == MAP_FAILED) + ksft_exit_fail_msg("mmap: %s\n", strerror(errno)); gup.addr = (unsigned long)p;

if (thp == 1) @@ -264,7 +264,8 @@ int main(int argc, char **argv) ret = pthread_join(tid[i], NULL); assert(ret == 0); } + free(tid);

- return 0; + return ksft_exit_pass(); } diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selftests/mm/soft-dirty.c index cc5f144430d4..7dbfa53d93a0 100644 --- a/tools/testing/selftests/mm/soft-dirty.c +++ b/tools/testing/selftests/mm/soft-dirty.c @@ -137,7 +137,7 @@ static void test_mprotect(int pagemap_fd, int pagesize, bool anon) if (!map) ksft_exit_fail_msg("anon mmap failed\n"); } else { - test_fd = open(fname, O_RDWR | O_CREAT); + test_fd = open(fname, O_RDWR | O_CREAT, 0664); if (test_fd < 0) { ksft_test_result_skip("Test %s open() file failed\n", __func__); return; diff --git a/tools/testing/selftests/mm/split_huge_page_test.c b/tools/testing/selftests/mm/split_huge_page_test.c index 0e74635c8c3d..dff3be23488b 100644 --- a/tools/testing/selftests/mm/split_huge_page_test.c +++ b/tools/testing/selftests/mm/split_huge_page_test.c @@ -253,7 +253,7 @@ void split_file_backed_thp(void) goto cleanup; }

- fd = open(testfile, O_CREAT|O_WRONLY); + fd = open(testfile, O_CREAT|O_WRONLY, 0664); if (fd == -1) { perror("Cannot open testing file\n"); goto cleanup; diff --git a/tools/testing/selftests/mm/uffd-common.c b/tools/testing/selftests/mm/uffd-common.c index 02b89860e193..ba6777cdf423 100644 --- a/tools/testing/selftests/mm/uffd-common.c +++ b/tools/testing/selftests/mm/uffd-common.c @@ -17,6 +17,7 @@ bool map_shared; bool test_uffdio_wp = true; unsigned long long *count_verify; uffd_test_ops_t *uffd_test_ops; +atomic_bool ready_for_fork;

static int uffd_mem_fd_create(off_t mem_size, bool hugetlb) { @@ -507,6 +508,8 @@ void *uffd_poll_thread(void *arg) pollfd[1].fd = pipefd[cpu*2]; pollfd[1].events = POLLIN;

+ ready_for_fork = true; + for (;;) { ret = poll(pollfd, 2, -1); if (ret <= 0) { diff --git a/tools/testing/selftests/mm/uffd-common.h b/tools/testing/selftests/mm/uffd-common.h index 7c4fa964c3b0..1f0d573f3067 100644 --- a/tools/testing/selftests/mm/uffd-common.h +++ b/tools/testing/selftests/mm/uffd-common.h @@ -32,6 +32,7 @@ #include <inttypes.h> #include <stdint.h> #include <sys/random.h> +#include <stdatomic.h>

#include "../kselftest.h" #include "vm_util.h" @@ -97,6 +98,7 @@ extern bool map_shared; extern bool test_uffdio_wp; extern unsigned long long *count_verify; extern volatile bool test_uffdio_copy_eexist; +extern atomic_bool ready_for_fork;

extern uffd_test_ops_t anon_uffd_test_ops; extern uffd_test_ops_t shmem_uffd_test_ops; diff --git a/tools/testing/selftests/mm/uffd-unit-tests.c b/tools/testing/selftests/mm/uffd-unit-tests.c index 2c68709062da..92d51768b7be 100644 --- a/tools/testing/selftests/mm/uffd-unit-tests.c +++ b/tools/testing/selftests/mm/uffd-unit-tests.c @@ -770,6 +770,8 @@ static void uffd_sigbus_test_common(bool wp) char c; struct uffd_args args = { 0 };

+ ready_for_fork = false; + fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);

if (uffd_register(uffd, area_dst, nr_pages * page_size, @@ -785,6 +787,9 @@ static void uffd_sigbus_test_common(bool wp) if (pthread_create(&uffd_mon, NULL, uffd_poll_thread, &args)) err("uffd_poll_thread create");

+ while (!ready_for_fork) + ; /* Wait for the poll_thread to start executing before forking */ + pid = fork(); if (pid < 0) err("fork"); @@ -824,6 +829,8 @@ static void uffd_events_test_common(bool wp) char c; struct uffd_args args = { 0 };

+ ready_for_fork = false; + fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK); if (uffd_register(uffd, area_dst, nr_pages * page_size, true, wp, false)) @@ -833,6 +840,9 @@ static void uffd_events_test_common(bool wp) if (pthread_create(&uffd_mon, NULL, uffd_poll_thread, &args)) err("uffd_poll_thread create");

+ while (!ready_for_fork) + ; /* Wait for the poll_thread to start executing before forking */ + pid = fork(); if (pid < 0) err("fork"); @@ -1219,7 +1229,8 @@ uffd_test_case_t uffd_tests[] = { .uffd_fn = uffd_sigbus_wp_test, .mem_targets = MEM_ALL, .uffd_feature_required = UFFD_FEATURE_SIGBUS | - UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_PAGEFAULT_FLAG_WP, + UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_PAGEFAULT_FLAG_WP | + UFFD_FEATURE_WP_HUGETLBFS_SHMEM, }, { .name = "events", diff --git a/tools/testing/selftests/mqueue/setting b/tools/testing/selftests/mqueue/setting new file mode 100644 index 000000000000..a953c96aa16e --- /dev/null +++ b/tools/testing/selftests/mqueue/setting @@ -0,0 +1 @@ +timeout=180 diff --git a/tools/testing/selftests/net/mptcp/diag.sh b/tools/testing/selftests/net/mptcp/diag.sh index 4d8c59be1b30..7f89623f1080 100755 --- a/tools/testing/selftests/net/mptcp/diag.sh +++ b/tools/testing/selftests/net/mptcp/diag.sh @@ -69,7 +69,7 @@ __chk_nr() else echo "[ fail ] expected $expected found $nr" mptcp_lib_result_fail "${msg}" - ret=$test_cnt + ret=${KSFT_FAIL} fi else echo "[ ok ]" @@ -115,11 +115,11 @@ wait_msk_nr() if [ $i -ge $timeout ]; then echo "[ fail ] timeout while expecting $expected max $max last $nr" mptcp_lib_result_fail "${msg} # timeout" - ret=$test_cnt + ret=${KSFT_FAIL} elif [ $nr != $expected ]; then echo "[ fail ] expected $expected found $nr" mptcp_lib_result_fail "${msg} # unexpected result" - ret=$test_cnt + ret=${KSFT_FAIL} else echo "[ ok ]" mptcp_lib_result_pass "${msg}" diff --git a/tools/testing/selftests/wireguard/qemu/arch/riscv32.config b/tools/testing/selftests/wireguard/qemu/arch/riscv32.config index 2fc36efb166d..a7f8e8a95625 100644 --- a/tools/testing/selftests/wireguard/qemu/arch/riscv32.config +++ b/tools/testing/selftests/wireguard/qemu/arch/riscv32.config @@ -3,6 +3,7 @@ CONFIG_ARCH_RV32I=y CONFIG_MMU=y CONFIG_FPU=y CONFIG_SOC_VIRT=y +CONFIG_RISCV_ISA_FALLBACK=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_OF_PLATFORM=y diff --git a/tools/testing/selftests/wireguard/qemu/arch/riscv64.config b/tools/testing/selftests/wireguard/qemu/arch/riscv64.config index dc266f3b1915..daeb3e5e0965 100644 --- a/tools/testing/selftests/wireguard/qemu/arch/riscv64.config +++ b/tools/testing/selftests/wireguard/qemu/arch/riscv64.config @@ -2,6 +2,7 @@ CONFIG_ARCH_RV64I=y CONFIG_MMU=y CONFIG_FPU=y CONFIG_SOC_VIRT=y +CONFIG_RISCV_ISA_FALLBACK=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_OF_PLATFORM=y diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c index e033c79d528e..28658b9e0d96 100644 --- a/virt/kvm/async_pf.c +++ b/virt/kvm/async_pf.c @@ -87,7 +87,27 @@ static void async_pf_execute(struct work_struct *work) __kvm_vcpu_wake_up(vcpu);

mmput(mm); - kvm_put_kvm(vcpu->kvm); +} + +static void kvm_flush_and_free_async_pf_work(struct kvm_async_pf *work) +{ + /* + * The async #PF is "done", but KVM must wait for the work item itself, + * i.e. async_pf_execute(), to run to completion. If KVM is a module, + * KVM must ensure *no* code owned by the KVM (the module) can be run + * after the last call to module_put(). Note, flushing the work item + * is always required when the item is taken off the completion queue. + * E.g. even if the vCPU handles the item in the "normal" path, the VM + * could be terminated before async_pf_execute() completes. + * + * Wake all events skip the queue and go straight done, i.e. don't + * need to be flushed (but sanity check that the work wasn't queued). + */ + if (work->wakeup_all) + WARN_ON_ONCE(work->work.func); + else + flush_work(&work->work); + kmem_cache_free(async_pf_cache, work); }

void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu) @@ -114,7 +134,6 @@ void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu) #else if (cancel_work_sync(&work->work)) { mmput(work->mm); - kvm_put_kvm(vcpu->kvm); /* == work->vcpu->kvm */ kmem_cache_free(async_pf_cache, work); } #endif @@ -126,7 +145,10 @@ void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu) list_first_entry(&vcpu->async_pf.done, typeof(*work), link); list_del(&work->link); - kmem_cache_free(async_pf_cache, work); + + spin_unlock(&vcpu->async_pf.lock); + kvm_flush_and_free_async_pf_work(work); + spin_lock(&vcpu->async_pf.lock); } spin_unlock(&vcpu->async_pf.lock);

@@ -151,7 +173,7 @@ void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu)

list_del(&work->queue); vcpu->async_pf.queued--; - kmem_cache_free(async_pf_cache, work); + kvm_flush_and_free_async_pf_work(work); } }

@@ -186,7 +208,6 @@ bool kvm_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, work->arch = *arch; work->mm = current->mm; mmget(work->mm); - kvm_get_kvm(work->vcpu->kvm);

INIT_WORK(&work->work, async_pf_execute);

diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index 89912a17f5d5..c0e230f4c3e9 100644 --- a/virt/kvm/eventfd.c +++ b/virt/kvm/eventfd.c @@ -61,7 +61,7 @@ static void irqfd_resampler_notify(struct kvm_kernel_irqfd_resampler *resampler)

list_for_each_entry_srcu(irqfd, &resampler->list, resampler_link, srcu_read_lock_held(&resampler->kvm->irq_srcu)) - eventfd_signal(irqfd->resamplefd, 1); + eventfd_signal(irqfd->resamplefd); }

/* @@ -786,7 +786,7 @@ ioeventfd_write(struct kvm_vcpu *vcpu, struct kvm_io_device *this, gpa_t addr, if (!ioeventfd_in_range(p, addr, len, val)) return -EOPNOTSUPP;

- eventfd_signal(p->eventfd, 1); + eventfd_signal(p->eventfd); return 0; }