Re: Linux 5.3.6

diff --git a/Makefile b/Makefile index bf03c110ed9b..d7469f0926a6 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 3 -SUBLEVEL = 5 +SUBLEVEL = 6 EXTRAVERSION = NAME = Bobtail Squid

diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi index b295f6fad2a5..954c216140ad 100644 --- a/arch/arm/boot/dts/omap3-gta04.dtsi +++ b/arch/arm/boot/dts/omap3-gta04.dtsi @@ -120,6 +120,7 @@ spi-max-frequency = <100000>; spi-cpol; spi-cpha; + spi-cs-high;

backlight= <&backlight>; label = "lcd"; diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index 6998a9796499..4e2bea8875f5 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -397,6 +397,22 @@ #define cpu_has_dsp3 __ase(MIPS_ASE_DSP3) #endif

+#ifndef cpu_has_loongson_mmi +#define cpu_has_loongson_mmi __ase(MIPS_ASE_LOONGSON_MMI) +#endif + +#ifndef cpu_has_loongson_cam +#define cpu_has_loongson_cam __ase(MIPS_ASE_LOONGSON_CAM) +#endif + +#ifndef cpu_has_loongson_ext +#define cpu_has_loongson_ext __ase(MIPS_ASE_LOONGSON_EXT) +#endif + +#ifndef cpu_has_loongson_ext2 +#define cpu_has_loongson_ext2 __ase(MIPS_ASE_LOONGSON_EXT2) +#endif + #ifndef cpu_has_mipsmt #define cpu_has_mipsmt __isa_lt_and_ase(6, MIPS_ASE_MIPSMT) #endif diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h index 290369fa44a4..1e3526efca1b 100644 --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h @@ -433,5 +433,9 @@ enum cpu_type_enum { #define MIPS_ASE_MSA 0x00000100 /* MIPS SIMD Architecture */ #define MIPS_ASE_DSP3 0x00000200 /* Signal Processing ASE Rev 3*/ #define MIPS_ASE_MIPS16E2 0x00000400 /* MIPS16e2 */ +#define MIPS_ASE_LOONGSON_MMI 0x00000800 /* Loongson MultiMedia extensions Instructions */ +#define MIPS_ASE_LOONGSON_CAM 0x00001000 /* Loongson CAM */ +#define MIPS_ASE_LOONGSON_EXT 0x00002000 /* Loongson EXTensions */ +#define MIPS_ASE_LOONGSON_EXT2 0x00004000 /* Loongson EXTensions R2 */

#endif /* _ASM_CPU_H */ diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index e654ffc1c8a0..e698a20017c1 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -1573,6 +1573,8 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "ICT Loongson-3"; set_elf_platform(cpu, "loongson3a"); set_isa(c, MIPS_CPU_ISA_M64R1); + c->ases |= (MIPS_ASE_LOONGSON_MMI | MIPS_ASE_LOONGSON_CAM | + MIPS_ASE_LOONGSON_EXT); break; case PRID_REV_LOONGSON3B_R1: case PRID_REV_LOONGSON3B_R2: @@ -1580,6 +1582,8 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) __cpu_name[cpu] = "ICT Loongson-3"; set_elf_platform(cpu, "loongson3b"); set_isa(c, MIPS_CPU_ISA_M64R1); + c->ases |= (MIPS_ASE_LOONGSON_MMI | MIPS_ASE_LOONGSON_CAM | + MIPS_ASE_LOONGSON_EXT); break; }

@@ -1946,6 +1950,8 @@ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu) decode_configs(c); c->options |= MIPS_CPU_FTLB | MIPS_CPU_TLBINV | MIPS_CPU_LDPTE; c->writecombine = _CACHE_UNCACHED_ACCELERATED; + c->ases |= (MIPS_ASE_LOONGSON_MMI | MIPS_ASE_LOONGSON_CAM | + MIPS_ASE_LOONGSON_EXT | MIPS_ASE_LOONGSON_EXT2); break; default: panic("Unknown Loongson Processor ID!"); diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index b2de408a259e..f8d36710cd58 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -124,6 +124,10 @@ static int show_cpuinfo(struct seq_file *m, void *v) if (cpu_has_eva) seq_printf(m, "%s", " eva"); if (cpu_has_htw) seq_printf(m, "%s", " htw"); if (cpu_has_xpa) seq_printf(m, "%s", " xpa"); + if (cpu_has_loongson_mmi) seq_printf(m, "%s", " loongson-mmi"); + if (cpu_has_loongson_cam) seq_printf(m, "%s", " loongson-cam"); + if (cpu_has_loongson_ext) seq_printf(m, "%s", " loongson-ext"); + if (cpu_has_loongson_ext2) seq_printf(m, "%s", " loongson-ext2"); seq_printf(m, "\n");

if (cpu_has_mmips) { diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index d05f0c28e515..f43ff5a00d38 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -213,8 +213,9 @@ static inline void cpu_feature_keys_init(void) { } #define CPU_FTR_POWER9_DD2_1 LONG_ASM_CONST(0x0000080000000000) #define CPU_FTR_P9_TM_HV_ASSIST LONG_ASM_CONST(0x0000100000000000) #define CPU_FTR_P9_TM_XER_SO_BUG LONG_ASM_CONST(0x0000200000000000) -#define CPU_FTR_P9_TLBIE_BUG LONG_ASM_CONST(0x0000400000000000) +#define CPU_FTR_P9_TLBIE_STQ_BUG LONG_ASM_CONST(0x0000400000000000) #define CPU_FTR_P9_TIDR LONG_ASM_CONST(0x0000800000000000) +#define CPU_FTR_P9_TLBIE_ERAT_BUG LONG_ASM_CONST(0x0001000000000000)

#ifndef __ASSEMBLY__

@@ -461,7 +462,7 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \ CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_PKEY | \ - CPU_FTR_P9_TLBIE_BUG | CPU_FTR_P9_TIDR) + CPU_FTR_P9_TLBIE_STQ_BUG | CPU_FTR_P9_TLBIE_ERAT_BUG | CPU_FTR_P9_TIDR) #define CPU_FTRS_POWER9_DD2_0 CPU_FTRS_POWER9 #define CPU_FTRS_POWER9_DD2_1 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1) #define CPU_FTRS_POWER9_DD2_2 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \ diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 2484e6a8f5ca..8e8514efb124 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -598,6 +598,7 @@ extern int kvmppc_xive_native_get_vp(struct kvm_vcpu *vcpu, union kvmppc_one_reg *val); extern int kvmppc_xive_native_set_vp(struct kvm_vcpu *vcpu, union kvmppc_one_reg *val); +extern bool kvmppc_xive_native_supported(void);

#else static inline int kvmppc_xive_set_xive(struct kvm *kvm, u32 irq, u32 server, diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h index e4016985764e..818989e11678 100644 --- a/arch/powerpc/include/asm/xive.h +++ b/arch/powerpc/include/asm/xive.h @@ -46,7 +46,15 @@ struct xive_irq_data {

/* Setup/used by frontend */ int target; + /* + * saved_p means that there is a queue entry for this interrupt + * in some CPU's queue (not including guest vcpu queues), even + * if P is not set in the source ESB. + * stale_p means that there is no queue entry for this interrupt + * in some CPU's queue, even if P is set in the source ESB. + */ bool saved_p; + bool stale_p; }; #define XIVE_IRQ_FLAG_STORE_EOI 0x01 #define XIVE_IRQ_FLAG_LSI 0x02 @@ -127,6 +135,7 @@ extern int xive_native_get_queue_state(u32 vp_id, uint32_t prio, u32 *qtoggle, extern int xive_native_set_queue_state(u32 vp_id, uint32_t prio, u32 qtoggle, u32 qindex); extern int xive_native_get_vp_state(u32 vp_id, u64 *out_state); +extern bool xive_native_has_queue_state_support(void);

#else

diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index bd95318d2202..864cc55fa03c 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -691,9 +691,37 @@ static bool __init cpufeatures_process_feature(struct dt_cpu_feature *f) return true; }

+/* + * Handle POWER9 broadcast tlbie invalidation issue using + * cpu feature flag. + */ +static __init void update_tlbie_feature_flag(unsigned long pvr) +{ + if (PVR_VER(pvr) == PVR_POWER9) { + /* + * Set the tlbie feature flag for anything below + * Nimbus DD 2.3 and Cumulus DD 1.3 + */ + if ((pvr & 0xe000) == 0) { + /* Nimbus */ + if ((pvr & 0xfff) < 0x203) + cur_cpu_spec->cpu_features |= CPU_FTR_P9_TLBIE_STQ_BUG; + } else if ((pvr & 0xc000) == 0) { + /* Cumulus */ + if ((pvr & 0xfff) < 0x103) + cur_cpu_spec->cpu_features |= CPU_FTR_P9_TLBIE_STQ_BUG; + } else { + WARN_ONCE(1, "Unknown PVR"); + cur_cpu_spec->cpu_features |= CPU_FTR_P9_TLBIE_STQ_BUG; + } + + cur_cpu_spec->cpu_features |= CPU_FTR_P9_TLBIE_ERAT_BUG; + } +} + static __init void cpufeatures_cpu_quirks(void) { - int version = mfspr(SPRN_PVR); + unsigned long version = mfspr(SPRN_PVR);

/* * Not all quirks can be derived from the cpufeatures device tree. @@ -712,10 +740,10 @@ static __init void cpufeatures_cpu_quirks(void)

if ((version & 0xffff0000) == 0x004e0000) { cur_cpu_spec->cpu_features &= ~(CPU_FTR_DAWR); - cur_cpu_spec->cpu_features |= CPU_FTR_P9_TLBIE_BUG; cur_cpu_spec->cpu_features |= CPU_FTR_P9_TIDR; }

+ update_tlbie_feature_flag(version); /* * PKEY was not in the initial base or feature node * specification, but it should become optional in the next diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index f255e22184b4..9e6f01abb31e 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -557,9 +557,9 @@ DataStoreTLBMiss: cmplw 0,r1,r3 mfspr r2, SPRN_SPRG_PGDIR #ifdef CONFIG_SWAP - li r1, _PAGE_RW | _PAGE_PRESENT | _PAGE_ACCESSED + li r1, _PAGE_RW | _PAGE_DIRTY | _PAGE_PRESENT | _PAGE_ACCESSED #else - li r1, _PAGE_RW | _PAGE_PRESENT + li r1, _PAGE_RW | _PAGE_DIRTY | _PAGE_PRESENT #endif bge- 112f lis r2, (swapper_pg_dir - PAGE_OFFSET)@ha /* if kernel address, use */ @@ -897,9 +897,11 @@ start_here: bl machine_init bl __save_cpu_setup bl MMU_init +#ifdef CONFIG_KASAN BEGIN_MMU_FTR_SECTION bl MMU_init_hw_patch END_MMU_FTR_SECTION_IFSET(MMU_FTR_HPTE_TABLE) +#endif

/* * Go back to running unmapped so we can load up new values diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c index b18df633eae9..cff31d4a501f 100644 --- a/arch/powerpc/kernel/mce.c +++ b/arch/powerpc/kernel/mce.c @@ -33,6 +33,7 @@ static DEFINE_PER_CPU(struct machine_check_event[MAX_MC_EVT], mce_ue_event_queue);

static void machine_check_process_queued_event(struct irq_work *work); +static void machine_check_ue_irq_work(struct irq_work *work); void machine_check_ue_event(struct machine_check_event *evt); static void machine_process_ue_event(struct work_struct *work);

@@ -40,6 +41,10 @@ static struct irq_work mce_event_process_work = { .func = machine_check_process_queued_event, };

+static struct irq_work mce_ue_event_irq_work = { + .func = machine_check_ue_irq_work, +}; + DECLARE_WORK(mce_ue_event_work, machine_process_ue_event);

static void mce_set_error_info(struct machine_check_event *mce, @@ -199,6 +204,10 @@ void release_mce_event(void) get_mce_event(NULL, true); }

+static void machine_check_ue_irq_work(struct irq_work *work) +{ + schedule_work(&mce_ue_event_work); +}

/* * Queue up the MCE event which then can be handled later. @@ -216,7 +225,7 @@ void machine_check_ue_event(struct machine_check_event *evt) memcpy(this_cpu_ptr(&mce_ue_event_queue[index]), evt, sizeof(*evt));

/* Queue work to process this event later. */ - schedule_work(&mce_ue_event_work); + irq_work_queue(&mce_ue_event_irq_work); }

/* diff --git a/arch/powerpc/kernel/mce_power.c b/arch/powerpc/kernel/mce_power.c index a814d2dfb5b0..714a98e0927f 100644 --- a/arch/powerpc/kernel/mce_power.c +++ b/arch/powerpc/kernel/mce_power.c @@ -26,6 +26,7 @@ unsigned long addr_to_pfn(struct pt_regs *regs, unsigned long addr) { pte_t *ptep; + unsigned int shift; unsigned long flags; struct mm_struct *mm;

@@ -35,13 +36,18 @@ unsigned long addr_to_pfn(struct pt_regs *regs, unsigned long addr) mm = &init_mm;

local_irq_save(flags); - if (mm == current->mm) - ptep = find_current_mm_pte(mm->pgd, addr, NULL, NULL); - else - ptep = find_init_mm_pte(addr, NULL); + ptep = __find_linux_pte(mm->pgd, addr, NULL, &shift); local_irq_restore(flags); + if (!ptep || pte_special(*ptep)) return ULONG_MAX; + + if (shift > PAGE_SHIFT) { + unsigned long rpnmask = (1ul << shift) - PAGE_SIZE; + + return pte_pfn(__pte(pte_val(*ptep) | (addr & rpnmask))); + } + return pte_pfn(*ptep); }

@@ -344,7 +350,7 @@ static const struct mce_derror_table mce_p9_derror_table[] = { MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true }, { 0, false, 0, 0, 0, 0, 0 } };

-static int mce_find_instr_ea_and_pfn(struct pt_regs *regs, uint64_t *addr, +static int mce_find_instr_ea_and_phys(struct pt_regs *regs, uint64_t *addr, uint64_t *phys_addr) { /* @@ -541,7 +547,8 @@ static int mce_handle_derror(struct pt_regs *regs, * kernel/exception-64s.h */ if (get_paca()->in_mce < MAX_MCE_DEPTH) - mce_find_instr_ea_and_pfn(regs, addr, phys_addr); + mce_find_instr_ea_and_phys(regs, addr, + phys_addr); } found = 1; } diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 9524d92bc45d..d7fcdfa7fee4 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -1083,9 +1083,11 @@ static int kvmppc_book3s_init(void) if (xics_on_xive()) { kvmppc_xive_init_module(); kvm_register_device_ops(&kvm_xive_ops, KVM_DEV_TYPE_XICS); - kvmppc_xive_native_init_module(); - kvm_register_device_ops(&kvm_xive_native_ops, - KVM_DEV_TYPE_XIVE); + if (kvmppc_xive_native_supported()) { + kvmppc_xive_native_init_module(); + kvm_register_device_ops(&kvm_xive_native_ops, + KVM_DEV_TYPE_XIVE); + } } else #endif kvm_register_device_ops(&kvm_xics_ops, KVM_DEV_TYPE_XICS); diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index cde3f5a4b3e4..f8975c620f41 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1678,7 +1678,14 @@ static int kvmppc_get_one_reg_hv(struct kvm_vcpu *vcpu, u64 id, *val = get_reg_val(id, vcpu->arch.pspb); break; case KVM_REG_PPC_DPDES: - *val = get_reg_val(id, vcpu->arch.vcore->dpdes); + /* + * On POWER9, where we are emulating msgsndp etc., + * we return 1 bit for each vcpu, which can come from + * either vcore->dpdes or doorbell_request. + * On POWER8, doorbell_request is 0. + */ + *val = get_reg_val(id, vcpu->arch.vcore->dpdes | + vcpu->arch.doorbell_request); break; case KVM_REG_PPC_VTB: *val = get_reg_val(id, vcpu->arch.vcore->vtb); @@ -2860,7 +2867,7 @@ static void collect_piggybacks(struct core_info *cip, int target_threads) if (!spin_trylock(&pvc->lock)) continue; prepare_threads(pvc); - if (!pvc->n_runnable) { + if (!pvc->n_runnable || !pvc->kvm->arch.mmu_ready) { list_del_init(&pvc->preempt_list); if (pvc->runner == NULL) { pvc->vcore_state = VCORE_INACTIVE; @@ -2881,15 +2888,20 @@ static void collect_piggybacks(struct core_info *cip, int target_threads) spin_unlock(&lp->lock); }

-static bool recheck_signals(struct core_info *cip) +static bool recheck_signals_and_mmu(struct core_info *cip) { int sub, i; struct kvm_vcpu *vcpu; + struct kvmppc_vcore *vc;

- for (sub = 0; sub < cip->n_subcores; ++sub) - for_each_runnable_thread(i, vcpu, cip->vc[sub]) + for (sub = 0; sub < cip->n_subcores; ++sub) { + vc = cip->vc[sub]; + if (!vc->kvm->arch.mmu_ready) + return true; + for_each_runnable_thread(i, vcpu, vc) if (signal_pending(vcpu->arch.run_task)) return true; + } return false; }

@@ -3119,7 +3131,7 @@ static noinline void kvmppc_run_core(struct kvmppc_vcore *vc) local_irq_disable(); hard_irq_disable(); if (lazy_irq_pending() || need_resched() || - recheck_signals(&core_info) || !vc->kvm->arch.mmu_ready) { + recheck_signals_and_mmu(&core_info)) { local_irq_enable(); vc->vcore_state = VCORE_INACTIVE; /* Unlock all except the primary vcore */ diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c index 63e0ce91e29d..47f86252e8a1 100644 --- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c +++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c @@ -433,6 +433,37 @@ static inline int is_mmio_hpte(unsigned long v, unsigned long r) (HPTE_R_KEY_HI | HPTE_R_KEY_LO)); }

+static inline void fixup_tlbie_lpid(unsigned long rb_value, unsigned long lpid) +{ + + if (cpu_has_feature(CPU_FTR_P9_TLBIE_ERAT_BUG)) { + /* Radix flush for a hash guest */ + + unsigned long rb,rs,prs,r,ric; + + rb = PPC_BIT(52); /* IS = 2 */ + rs = 0; /* lpid = 0 */ + prs = 0; /* partition scoped */ + r = 1; /* radix format */ + ric = 0; /* RIC_FLSUH_TLB */ + + /* + * Need the extra ptesync to make sure we don't + * re-order the tlbie + */ + asm volatile("ptesync": : :"memory"); + asm volatile(PPC_TLBIE_5(%0, %4, %3, %2, %1) + : : "r"(rb), "i"(r), "i"(prs), + "i"(ric), "r"(rs) : "memory"); + } + + if (cpu_has_feature(CPU_FTR_P9_TLBIE_STQ_BUG)) { + asm volatile("ptesync": : :"memory"); + asm volatile(PPC_TLBIE_5(%0,%1,0,0,0) : : + "r" (rb_value), "r" (lpid)); + } +} + static void do_tlbies(struct kvm *kvm, unsigned long *rbvalues, long npages, int global, bool need_sync) { @@ -451,16 +482,7 @@ static void do_tlbies(struct kvm *kvm, unsigned long *rbvalues, "r" (rbvalues[i]), "r" (kvm->arch.lpid)); }

- if (cpu_has_feature(CPU_FTR_P9_TLBIE_BUG)) { - /* - * Need the extra ptesync to make sure we don't - * re-order the tlbie - */ - asm volatile("ptesync": : :"memory"); - asm volatile(PPC_TLBIE_5(%0,%1,0,0,0) : : - "r" (rbvalues[0]), "r" (kvm->arch.lpid)); - } - + fixup_tlbie_lpid(rbvalues[i - 1], kvm->arch.lpid); asm volatile("eieio; tlbsync; ptesync" : : : "memory"); } else { if (need_sync) diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 337e64468d78..07181d0dfcb7 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -942,6 +942,8 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300) ld r11, VCPU_XIVE_SAVED_STATE(r4) li r9, TM_QW1_OS lwz r8, VCPU_XIVE_CAM_WORD(r4) + cmpwi r8, 0 + beq no_xive li r7, TM_QW1_OS + TM_WORD2 mfmsr r0 andi. r0, r0, MSR_DR /* in real mode? */ @@ -2831,29 +2833,39 @@ kvm_cede_prodded: kvm_cede_exit: ld r9, HSTATE_KVM_VCPU(r13) #ifdef CONFIG_KVM_XICS - /* Abort if we still have a pending escalation */ + /* are we using XIVE with single escalation? */ + ld r10, VCPU_XIVE_ESC_VADDR(r9) + cmpdi r10, 0 + beq 3f + li r6, XIVE_ESB_SET_PQ_00 + /* + * If we still have a pending escalation, abort the cede, + * and we must set PQ to 10 rather than 00 so that we don't + * potentially end up with two entries for the escalation + * interrupt in the XIVE interrupt queue. In that case + * we also don't want to set xive_esc_on to 1 here in + * case we race with xive_esc_irq(). + */ lbz r5, VCPU_XIVE_ESC_ON(r9) cmpwi r5, 0 - beq 1f + beq 4f li r0, 0 stb r0, VCPU_CEDED(r9) -1: /* Enable XIVE escalation */ - li r5, XIVE_ESB_SET_PQ_00 + li r6, XIVE_ESB_SET_PQ_10 + b 5f +4: li r0, 1 + stb r0, VCPU_XIVE_ESC_ON(r9) + /* make sure store to xive_esc_on is seen before xive_esc_irq runs */ + sync +5: /* Enable XIVE escalation */ mfmsr r0 andi. r0, r0, MSR_DR /* in real mode? */ beq 1f - ld r10, VCPU_XIVE_ESC_VADDR(r9) - cmpdi r10, 0 - beq 3f - ldx r0, r10, r5 + ldx r0, r10, r6 b 2f 1: ld r10, VCPU_XIVE_ESC_RADDR(r9) - cmpdi r10, 0 - beq 3f - ldcix r0, r10, r5 + ldcix r0, r10, r6 2: sync - li r0, 1 - stb r0, VCPU_XIVE_ESC_ON(r9) #endif /* CONFIG_KVM_XICS */ 3: b guest_exit_cont

diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c index e3ba67095895..591bfb4bfd0f 100644 --- a/arch/powerpc/kvm/book3s_xive.c +++ b/arch/powerpc/kvm/book3s_xive.c @@ -67,8 +67,14 @@ void kvmppc_xive_push_vcpu(struct kvm_vcpu *vcpu) void __iomem *tima = local_paca->kvm_hstate.xive_tima_virt; u64 pq;

- if (!tima) + /* + * Nothing to do if the platform doesn't have a XIVE + * or this vCPU doesn't have its own XIVE context + * (e.g. because it's not using an in-kernel interrupt controller). + */ + if (!tima || !vcpu->arch.xive_cam_word) return; + eieio(); __raw_writeq(vcpu->arch.xive_saved_state.w01, tima + TM_QW1_OS); __raw_writel(vcpu->arch.xive_cam_word, tima + TM_QW1_OS + TM_WORD2); @@ -160,6 +166,9 @@ static irqreturn_t xive_esc_irq(int irq, void *data) */ vcpu->arch.xive_esc_on = false;

+ /* This orders xive_esc_on = false vs. subsequent stale_p = true */ + smp_wmb(); /* goes with smp_mb() in cleanup_single_escalation */ + return IRQ_HANDLED; }

@@ -1113,6 +1122,31 @@ void kvmppc_xive_disable_vcpu_interrupts(struct kvm_vcpu *vcpu) vcpu->arch.xive_esc_raddr = 0; }

+/* + * In single escalation mode, the escalation interrupt is marked so + * that EOI doesn't re-enable it, but just sets the stale_p flag to + * indicate that the P bit has already been dealt with. However, the + * assembly code that enters the guest sets PQ to 00 without clearing + * stale_p (because it has no easy way to address it). Hence we have + * to adjust stale_p before shutting down the interrupt. + */ +void xive_cleanup_single_escalation(struct kvm_vcpu *vcpu, + struct kvmppc_xive_vcpu *xc, int irq) +{ + struct irq_data *d = irq_get_irq_data(irq); + struct xive_irq_data *xd = irq_data_get_irq_handler_data(d); + + /* + * This slightly odd sequence gives the right result + * (i.e. stale_p set if xive_esc_on is false) even if + * we race with xive_esc_irq() and xive_irq_eoi(). + */ + xd->stale_p = false; + smp_mb(); /* paired with smb_wmb in xive_esc_irq */ + if (!vcpu->arch.xive_esc_on) + xd->stale_p = true; +} + void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu) { struct kvmppc_xive_vcpu *xc = vcpu->arch.xive_vcpu; @@ -1134,20 +1168,28 @@ void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu) /* Mask the VP IPI */ xive_vm_esb_load(&xc->vp_ipi_data, XIVE_ESB_SET_PQ_01);

- /* Disable the VP */ - xive_native_disable_vp(xc->vp_id); - - /* Free the queues & associated interrupts */ + /* Free escalations */ for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) { - struct xive_q *q = &xc->queues[i]; - - /* Free the escalation irq */ if (xc->esc_virq[i]) { + if (xc->xive->single_escalation) + xive_cleanup_single_escalation(vcpu, xc, + xc->esc_virq[i]); free_irq(xc->esc_virq[i], vcpu); irq_dispose_mapping(xc->esc_virq[i]); kfree(xc->esc_virq_names[i]); } - /* Free the queue */ + } + + /* Disable the VP */ + xive_native_disable_vp(xc->vp_id); + + /* Clear the cam word so guest entry won't try to push context */ + vcpu->arch.xive_cam_word = 0; + + /* Free the queues */ + for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) { + struct xive_q *q = &xc->queues[i]; + xive_native_disable_queue(xc->vp_id, q, i); if (q->qpage) { free_pages((unsigned long)q->qpage, diff --git a/arch/powerpc/kvm/book3s_xive.h b/arch/powerpc/kvm/book3s_xive.h index 50494d0ee375..955b820ffd6d 100644 --- a/arch/powerpc/kvm/book3s_xive.h +++ b/arch/powerpc/kvm/book3s_xive.h @@ -282,6 +282,8 @@ int kvmppc_xive_select_target(struct kvm *kvm, u32 *server, u8 prio); int kvmppc_xive_attach_escalation(struct kvm_vcpu *vcpu, u8 prio, bool single_escalation); struct kvmppc_xive *kvmppc_xive_get_device(struct kvm *kvm, u32 type); +void xive_cleanup_single_escalation(struct kvm_vcpu *vcpu, + struct kvmppc_xive_vcpu *xc, int irq);

#endif /* CONFIG_KVM_XICS */ #endif /* _KVM_PPC_BOOK3S_XICS_H */ diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c index a998823f68a3..248c1ea9e788 100644 --- a/arch/powerpc/kvm/book3s_xive_native.c +++ b/arch/powerpc/kvm/book3s_xive_native.c @@ -67,20 +67,28 @@ void kvmppc_xive_native_cleanup_vcpu(struct kvm_vcpu *vcpu) xc->valid = false; kvmppc_xive_disable_vcpu_interrupts(vcpu);

- /* Disable the VP */ - xive_native_disable_vp(xc->vp_id); - - /* Free the queues & associated interrupts */ + /* Free escalations */ for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) { /* Free the escalation irq */ if (xc->esc_virq[i]) { + if (xc->xive->single_escalation) + xive_cleanup_single_escalation(vcpu, xc, + xc->esc_virq[i]); free_irq(xc->esc_virq[i], vcpu); irq_dispose_mapping(xc->esc_virq[i]); kfree(xc->esc_virq_names[i]); xc->esc_virq[i] = 0; } + } + + /* Disable the VP */ + xive_native_disable_vp(xc->vp_id); + + /* Clear the cam word so guest entry won't try to push context */ + vcpu->arch.xive_cam_word = 0;

- /* Free the queue */ + /* Free the queues */ + for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) { kvmppc_xive_native_cleanup_queue(vcpu, i); }

@@ -1171,6 +1179,11 @@ int kvmppc_xive_native_set_vp(struct kvm_vcpu *vcpu, union kvmppc_one_reg *val) return 0; }

+bool kvmppc_xive_native_supported(void) +{ + return xive_native_has_queue_state_support(); +} + static int xive_native_debug_show(struct seq_file *m, void *private) { struct kvmppc_xive *xive = m->private; diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 3e566c2e6066..3a77bb643452 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -561,7 +561,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) * a POWER9 processor) and the PowerNV platform, as * nested is not yet supported. */ - r = xive_enabled() && !!cpu_has_feature(CPU_FTR_HVMODE); + r = xive_enabled() && !!cpu_has_feature(CPU_FTR_HVMODE) && + kvmppc_xive_native_supported(); break; #endif

diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c index e249fbf6b9c3..8d68f03bf5a4 100644 --- a/arch/powerpc/mm/book3s32/mmu.c +++ b/arch/powerpc/mm/book3s32/mmu.c @@ -358,6 +358,15 @@ void __init MMU_init_hw(void) hash_mb2 = hash_mb = 32 - LG_HPTEG_SIZE - lg_n_hpteg; if (lg_n_hpteg > 16) hash_mb2 = 16 - LG_HPTEG_SIZE; + + /* + * When KASAN is selected, there is already an early temporary hash + * table and the switch to the final hash table is done later. + */ + if (IS_ENABLED(CONFIG_KASAN)) + return; + + MMU_init_hw_patch(); }

void __init MMU_init_hw_patch(void) diff --git a/arch/powerpc/mm/book3s64/hash_native.c b/arch/powerpc/mm/book3s64/hash_native.c index 90ab4f31e2b3..523e42eb11da 100644 --- a/arch/powerpc/mm/book3s64/hash_native.c +++ b/arch/powerpc/mm/book3s64/hash_native.c @@ -197,9 +197,32 @@ static inline unsigned long ___tlbie(unsigned long vpn, int psize, return va; }

-static inline void fixup_tlbie(unsigned long vpn, int psize, int apsize, int ssize) +static inline void fixup_tlbie_vpn(unsigned long vpn, int psize, + int apsize, int ssize) { - if (cpu_has_feature(CPU_FTR_P9_TLBIE_BUG)) { + if (cpu_has_feature(CPU_FTR_P9_TLBIE_ERAT_BUG)) { + /* Radix flush for a hash guest */ + + unsigned long rb,rs,prs,r,ric; + + rb = PPC_BIT(52); /* IS = 2 */ + rs = 0; /* lpid = 0 */ + prs = 0; /* partition scoped */ + r = 1; /* radix format */ + ric = 0; /* RIC_FLSUH_TLB */ + + /* + * Need the extra ptesync to make sure we don't + * re-order the tlbie + */ + asm volatile("ptesync": : :"memory"); + asm volatile(PPC_TLBIE_5(%0, %4, %3, %2, %1) + : : "r"(rb), "i"(r), "i"(prs), + "i"(ric), "r"(rs) : "memory"); + } + + + if (cpu_has_feature(CPU_FTR_P9_TLBIE_STQ_BUG)) { /* Need the extra ptesync to ensure we don't reorder tlbie*/ asm volatile("ptesync": : :"memory"); ___tlbie(vpn, psize, apsize, ssize); @@ -283,7 +306,7 @@ static inline void tlbie(unsigned long vpn, int psize, int apsize, asm volatile("ptesync": : :"memory"); } else { __tlbie(vpn, psize, apsize, ssize); - fixup_tlbie(vpn, psize, apsize, ssize); + fixup_tlbie_vpn(vpn, psize, apsize, ssize); asm volatile("eieio; tlbsync; ptesync": : :"memory"); } if (lock_tlbie && !use_local) @@ -856,7 +879,7 @@ static void native_flush_hash_range(unsigned long number, int local) /* * Just do one more with the last used values. */ - fixup_tlbie(vpn, psize, psize, ssize); + fixup_tlbie_vpn(vpn, psize, psize, ssize); asm volatile("eieio; tlbsync; ptesync":::"memory");

if (lock_tlbie) diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c index b8ad14bb1170..17b0885581e4 100644 --- a/arch/powerpc/mm/book3s64/hash_utils.c +++ b/arch/powerpc/mm/book3s64/hash_utils.c @@ -34,6 +34,7 @@ #include <linux/libfdt.h> #include <linux/pkeys.h> #include <linux/hugetlb.h> +#include <linux/cpu.h>

#include <asm/debugfs.h> #include <asm/processor.h> @@ -1931,10 +1932,16 @@ static int hpt_order_get(void *data, u64 *val)

static int hpt_order_set(void *data, u64 val) { + int ret; + if (!mmu_hash_ops.resize_hpt) return -ENODEV;

- return mmu_hash_ops.resize_hpt(val); + cpus_read_lock(); + ret = mmu_hash_ops.resize_hpt(val); + cpus_read_unlock(); + + return ret; }

DEFINE_DEBUGFS_ATTRIBUTE(fops_hpt_order, hpt_order_get, hpt_order_set, "%llu\n"); diff --git a/arch/powerpc/mm/book3s64/radix_tlb.c b/arch/powerpc/mm/book3s64/radix_tlb.c index 71f7fede2fa4..e66a77bdc657 100644 --- a/arch/powerpc/mm/book3s64/radix_tlb.c +++ b/arch/powerpc/mm/book3s64/radix_tlb.c @@ -211,22 +211,83 @@ static __always_inline void __tlbie_lpid_va(unsigned long va, unsigned long lpid trace_tlbie(lpid, 0, rb, rs, ric, prs, r); }

-static inline void fixup_tlbie(void) + +static inline void fixup_tlbie_va(unsigned long va, unsigned long pid, + unsigned long ap) +{ + if (cpu_has_feature(CPU_FTR_P9_TLBIE_ERAT_BUG)) { + asm volatile("ptesync": : :"memory"); + __tlbie_va(va, 0, ap, RIC_FLUSH_TLB); + } + + if (cpu_has_feature(CPU_FTR_P9_TLBIE_STQ_BUG)) { + asm volatile("ptesync": : :"memory"); + __tlbie_va(va, pid, ap, RIC_FLUSH_TLB); + } +} + +static inline void fixup_tlbie_va_range(unsigned long va, unsigned long pid, + unsigned long ap) { - unsigned long pid = 0; + if (cpu_has_feature(CPU_FTR_P9_TLBIE_ERAT_BUG)) { + asm volatile("ptesync": : :"memory"); + __tlbie_pid(0, RIC_FLUSH_TLB); + } + + if (cpu_has_feature(CPU_FTR_P9_TLBIE_STQ_BUG)) { + asm volatile("ptesync": : :"memory"); + __tlbie_va(va, pid, ap, RIC_FLUSH_TLB); + } +} + +static inline void fixup_tlbie_pid(unsigned long pid) +{ + /* + * We can use any address for the invalidation, pick one which is + * probably unused as an optimisation. + */ unsigned long va = ((1UL << 52) - 1);

- if (cpu_has_feature(CPU_FTR_P9_TLBIE_BUG)) { + if (cpu_has_feature(CPU_FTR_P9_TLBIE_ERAT_BUG)) { + asm volatile("ptesync": : :"memory"); + __tlbie_pid(0, RIC_FLUSH_TLB); + } + + if (cpu_has_feature(CPU_FTR_P9_TLBIE_STQ_BUG)) { asm volatile("ptesync": : :"memory"); __tlbie_va(va, pid, mmu_get_ap(MMU_PAGE_64K), RIC_FLUSH_TLB); } }

+ +static inline void fixup_tlbie_lpid_va(unsigned long va, unsigned long lpid, + unsigned long ap) +{ + if (cpu_has_feature(CPU_FTR_P9_TLBIE_ERAT_BUG)) { + asm volatile("ptesync": : :"memory"); + __tlbie_lpid_va(va, 0, ap, RIC_FLUSH_TLB); + } + + if (cpu_has_feature(CPU_FTR_P9_TLBIE_STQ_BUG)) { + asm volatile("ptesync": : :"memory"); + __tlbie_lpid_va(va, lpid, ap, RIC_FLUSH_TLB); + } +} + static inline void fixup_tlbie_lpid(unsigned long lpid) { + /* + * We can use any address for the invalidation, pick one which is + * probably unused as an optimisation. + */ unsigned long va = ((1UL << 52) - 1);

- if (cpu_has_feature(CPU_FTR_P9_TLBIE_BUG)) { + if (cpu_has_feature(CPU_FTR_P9_TLBIE_ERAT_BUG)) { + asm volatile("ptesync": : :"memory"); + __tlbie_lpid(0, RIC_FLUSH_TLB); + } + + if (cpu_has_feature(CPU_FTR_P9_TLBIE_STQ_BUG)) { asm volatile("ptesync": : :"memory"); __tlbie_lpid_va(va, lpid, mmu_get_ap(MMU_PAGE_64K), RIC_FLUSH_TLB); } @@ -273,6 +334,7 @@ static inline void _tlbie_pid(unsigned long pid, unsigned long ric) switch (ric) { case RIC_FLUSH_TLB: __tlbie_pid(pid, RIC_FLUSH_TLB); + fixup_tlbie_pid(pid); break; case RIC_FLUSH_PWC: __tlbie_pid(pid, RIC_FLUSH_PWC); @@ -280,8 +342,8 @@ static inline void _tlbie_pid(unsigned long pid, unsigned long ric) case RIC_FLUSH_ALL: default: __tlbie_pid(pid, RIC_FLUSH_ALL); + fixup_tlbie_pid(pid); } - fixup_tlbie(); asm volatile("eieio; tlbsync; ptesync": : :"memory"); }

@@ -325,6 +387,7 @@ static inline void _tlbie_lpid(unsigned long lpid, unsigned long ric) switch (ric) { case RIC_FLUSH_TLB: __tlbie_lpid(lpid, RIC_FLUSH_TLB); + fixup_tlbie_lpid(lpid); break; case RIC_FLUSH_PWC: __tlbie_lpid(lpid, RIC_FLUSH_PWC); @@ -332,8 +395,8 @@ static inline void _tlbie_lpid(unsigned long lpid, unsigned long ric) case RIC_FLUSH_ALL: default: __tlbie_lpid(lpid, RIC_FLUSH_ALL); + fixup_tlbie_lpid(lpid); } - fixup_tlbie_lpid(lpid); asm volatile("eieio; tlbsync; ptesync": : :"memory"); }

@@ -407,6 +470,8 @@ static inline void __tlbie_va_range(unsigned long start, unsigned long end,

for (addr = start; addr < end; addr += page_size) __tlbie_va(addr, pid, ap, RIC_FLUSH_TLB); + + fixup_tlbie_va_range(addr - page_size, pid, ap); }

static __always_inline void _tlbie_va(unsigned long va, unsigned long pid, @@ -416,7 +481,7 @@ static __always_inline void _tlbie_va(unsigned long va, unsigned long pid,

asm volatile("ptesync": : :"memory"); __tlbie_va(va, pid, ap, ric); - fixup_tlbie(); + fixup_tlbie_va(va, pid, ap); asm volatile("eieio; tlbsync; ptesync": : :"memory"); }

@@ -427,7 +492,7 @@ static __always_inline void _tlbie_lpid_va(unsigned long va, unsigned long lpid,

asm volatile("ptesync": : :"memory"); __tlbie_lpid_va(va, lpid, ap, ric); - fixup_tlbie_lpid(lpid); + fixup_tlbie_lpid_va(va, lpid, ap); asm volatile("eieio; tlbsync; ptesync": : :"memory"); }

@@ -439,7 +504,6 @@ static inline void _tlbie_va_range(unsigned long start, unsigned long end, if (also_pwc) __tlbie_pid(pid, RIC_FLUSH_PWC); __tlbie_va_range(start, end, pid, page_size, psize); - fixup_tlbie(); asm volatile("eieio; tlbsync; ptesync": : :"memory"); }

@@ -775,7 +839,7 @@ static inline void __radix__flush_tlb_range(struct mm_struct *mm, if (gflush) __tlbie_va_range(gstart, gend, pid, PUD_SIZE, MMU_PAGE_1G); - fixup_tlbie(); + asm volatile("eieio; tlbsync; ptesync": : :"memory"); } } diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index a44f6281ca3a..4e08246acd79 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -172,6 +172,21 @@ static __meminit void vmemmap_list_populate(unsigned long phys, vmemmap_list = vmem_back; }

+static bool altmap_cross_boundary(struct vmem_altmap *altmap, unsigned long start, + unsigned long page_size) +{ + unsigned long nr_pfn = page_size / sizeof(struct page); + unsigned long start_pfn = page_to_pfn((struct page *)start); + + if ((start_pfn + nr_pfn) > altmap->end_pfn) + return true; + + if (start_pfn < altmap->base_pfn) + return true; + + return false; +} + int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node, struct vmem_altmap *altmap) { @@ -194,7 +209,7 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node, * fail due to alignment issues when using 16MB hugepages, so * fall back to system memory if the altmap allocation fail. */ - if (altmap) { + if (altmap && !altmap_cross_boundary(altmap, start, page_size)) { p = altmap_alloc_block_buf(page_size, altmap); if (!p) pr_debug("altmap block allocation failed, falling back to system memory"); diff --git a/arch/powerpc/mm/kasan/kasan_init_32.c b/arch/powerpc/mm/kasan/kasan_init_32.c index 74f4555a62ba..0e6ed4413eea 100644 --- a/arch/powerpc/mm/kasan/kasan_init_32.c +++ b/arch/powerpc/mm/kasan/kasan_init_32.c @@ -5,12 +5,21 @@ #include <linux/kasan.h> #include <linux/printk.h> #include <linux/memblock.h> +#include <linux/moduleloader.h> #include <linux/sched/task.h> #include <linux/vmalloc.h> #include <asm/pgalloc.h> #include <asm/code-patching.h> #include <mm/mmu_decl.h>

+static pgprot_t kasan_prot_ro(void) +{ + if (early_mmu_has_feature(MMU_FTR_HPTE_TABLE)) + return PAGE_READONLY; + + return PAGE_KERNEL_RO; +} + static void kasan_populate_pte(pte_t *ptep, pgprot_t prot) { unsigned long va = (unsigned long)kasan_early_shadow_page; @@ -25,6 +34,7 @@ static int __ref kasan_init_shadow_page_tables(unsigned long k_start, unsigned l { pmd_t *pmd; unsigned long k_cur, k_next; + pgprot_t prot = slab_is_available() ? kasan_prot_ro() : PAGE_KERNEL;

pmd = pmd_offset(pud_offset(pgd_offset_k(k_start), k_start), k_start);

@@ -42,11 +52,20 @@ static int __ref kasan_init_shadow_page_tables(unsigned long k_start, unsigned l

if (!new) return -ENOMEM; - if (early_mmu_has_feature(MMU_FTR_HPTE_TABLE)) - kasan_populate_pte(new, PAGE_READONLY); - else - kasan_populate_pte(new, PAGE_KERNEL_RO); - pmd_populate_kernel(&init_mm, pmd, new); + kasan_populate_pte(new, prot); + + smp_wmb(); /* See comment in __pte_alloc */ + + spin_lock(&init_mm.page_table_lock); + /* Has another populated it ? */ + if (likely((void *)pmd_page_vaddr(*pmd) == kasan_early_shadow_pte)) { + pmd_populate_kernel(&init_mm, pmd, new); + new = NULL; + } + spin_unlock(&init_mm.page_table_lock); + + if (new && slab_is_available()) + pte_free_kernel(&init_mm, new); } return 0; } @@ -74,7 +93,7 @@ static int __ref kasan_init_region(void *start, size_t size) if (!slab_is_available()) block = memblock_alloc(k_end - k_start, PAGE_SIZE);

- for (k_cur = k_start; k_cur < k_end; k_cur += PAGE_SIZE) { + for (k_cur = k_start & PAGE_MASK; k_cur < k_end; k_cur += PAGE_SIZE) { pmd_t *pmd = pmd_offset(pud_offset(pgd_offset_k(k_cur), k_cur), k_cur); void *va = block ? block + k_cur - k_start : kasan_get_one_page(); pte_t pte = pfn_pte(PHYS_PFN(__pa(va)), PAGE_KERNEL); @@ -90,11 +109,23 @@ static int __ref kasan_init_region(void *start, size_t size)

static void __init kasan_remap_early_shadow_ro(void) { - if (early_mmu_has_feature(MMU_FTR_HPTE_TABLE)) - kasan_populate_pte(kasan_early_shadow_pte, PAGE_READONLY); - else - kasan_populate_pte(kasan_early_shadow_pte, PAGE_KERNEL_RO); + pgprot_t prot = kasan_prot_ro(); + unsigned long k_start = KASAN_SHADOW_START; + unsigned long k_end = KASAN_SHADOW_END; + unsigned long k_cur; + phys_addr_t pa = __pa(kasan_early_shadow_page); + + kasan_populate_pte(kasan_early_shadow_pte, prot); + + for (k_cur = k_start & PAGE_MASK; k_cur < k_end; k_cur += PAGE_SIZE) { + pmd_t *pmd = pmd_offset(pud_offset(pgd_offset_k(k_cur), k_cur), k_cur); + pte_t *ptep = pte_offset_kernel(pmd, k_cur);

+ if ((pte_val(*ptep) & PTE_RPN_MASK) != pa) + continue; + + __set_pte_at(&init_mm, k_cur, ptep, pfn_pte(PHYS_PFN(pa), prot), 0); + } flush_tlb_kernel_range(KASAN_SHADOW_START, KASAN_SHADOW_END); }

@@ -137,7 +168,11 @@ void __init kasan_init(void) #ifdef CONFIG_MODULES void *module_alloc(unsigned long size) { - void *base = vmalloc_exec(size); + void *base; + + base = __vmalloc_node_range(size, MODULE_ALIGN, VMALLOC_START, VMALLOC_END, + GFP_KERNEL, PAGE_KERNEL_EXEC, VM_FLUSH_RESET_PERMS, + NUMA_NO_NODE, __builtin_return_address(0));

if (!base) return NULL; diff --git a/arch/powerpc/mm/ptdump/ptdump.c b/arch/powerpc/mm/ptdump/ptdump.c index 5d6111a9ee0e..74ff2bff4ea0 100644 --- a/arch/powerpc/mm/ptdump/ptdump.c +++ b/arch/powerpc/mm/ptdump/ptdump.c @@ -27,7 +27,7 @@ #include "ptdump.h"

#ifdef CONFIG_PPC32 -#define KERN_VIRT_START PAGE_OFFSET +#define KERN_VIRT_START 0 #endif

/* diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index aba443be7daa..d271accf224b 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -705,7 +705,10 @@ static ssize_t symbol_map_read(struct file *fp, struct kobject *kobj, bin_attr->size); }

-static BIN_ATTR_RO(symbol_map, 0); +static struct bin_attribute symbol_map_attr = { + .attr = {.name = "symbol_map", .mode = 0400}, + .read = symbol_map_read +};

static void opal_export_symmap(void) { @@ -722,10 +725,10 @@ static void opal_export_symmap(void) return;

/* Setup attributes */ - bin_attr_symbol_map.private = __va(be64_to_cpu(syms[0])); - bin_attr_symbol_map.size = be64_to_cpu(syms[1]); + symbol_map_attr.private = __va(be64_to_cpu(syms[0])); + symbol_map_attr.size = be64_to_cpu(syms[1]);

- rc = sysfs_create_bin_file(opal_kobj, &bin_attr_symbol_map); + rc = sysfs_create_bin_file(opal_kobj, &symbol_map_attr); if (rc) pr_warn("Error %d creating OPAL symbols file\n", rc); } diff --git a/arch/powerpc/platforms/powernv/pci-ioda-tce.c b/arch/powerpc/platforms/powernv/pci-ioda-tce.c index c75ec37bf0cd..a0b9c0c23ed2 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda-tce.c +++ b/arch/powerpc/platforms/powernv/pci-ioda-tce.c @@ -49,6 +49,9 @@ static __be64 *pnv_alloc_tce_level(int nid, unsigned int shift) return addr; }

+static void pnv_pci_ioda2_table_do_free_pages(__be64 *addr, + unsigned long size, unsigned int levels); + static __be64 *pnv_tce(struct iommu_table *tbl, bool user, long idx, bool alloc) { __be64 *tmp = user ? tbl->it_userspace : (__be64 *) tbl->it_base; @@ -58,9 +61,9 @@ static __be64 *pnv_tce(struct iommu_table *tbl, bool user, long idx, bool alloc)

while (level) { int n = (idx & mask) >> (level * shift); - unsigned long tce; + unsigned long oldtce, tce = be64_to_cpu(READ_ONCE(tmp[n]));

- if (tmp[n] == 0) { + if (!tce) { __be64 *tmp2;

if (!alloc) @@ -71,10 +74,15 @@ static __be64 *pnv_tce(struct iommu_table *tbl, bool user, long idx, bool alloc) if (!tmp2) return NULL;

- tmp[n] = cpu_to_be64(__pa(tmp2) | - TCE_PCI_READ | TCE_PCI_WRITE); + tce = __pa(tmp2) | TCE_PCI_READ | TCE_PCI_WRITE; + oldtce = be64_to_cpu(cmpxchg(&tmp[n], 0, + cpu_to_be64(tce))); + if (oldtce) { + pnv_pci_ioda2_table_do_free_pages(tmp2, + ilog2(tbl->it_level_size) + 3, 1); + tce = oldtce; + } } - tce = be64_to_cpu(tmp[n]);

tmp = __va(tce & ~(TCE_PCI_READ | TCE_PCI_WRITE)); idx &= ~mask; diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 09bb878c21e0..4f76e5f30c97 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -1413,7 +1413,10 @@ static int pseries_lpar_resize_hpt_commit(void *data) return 0; }

-/* Must be called in user context */ +/* + * Must be called in process context. The caller must hold the + * cpus_lock. + */ static int pseries_lpar_resize_hpt(unsigned long shift) { struct hpt_resize_state state = { @@ -1467,7 +1470,8 @@ static int pseries_lpar_resize_hpt(unsigned long shift)

t1 = ktime_get();

- rc = stop_machine(pseries_lpar_resize_hpt_commit, &state, NULL); + rc = stop_machine_cpuslocked(pseries_lpar_resize_hpt_commit, + &state, NULL);

t2 = ktime_get();

diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index 1cdb39575eae..be86fce1a84e 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -135,7 +135,7 @@ static u32 xive_read_eq(struct xive_q *q, bool just_peek) static u32 xive_scan_interrupts(struct xive_cpu *xc, bool just_peek) { u32 irq = 0; - u8 prio; + u8 prio = 0;

/* Find highest pending priority */ while (xc->pending_prio != 0) { @@ -148,8 +148,19 @@ static u32 xive_scan_interrupts(struct xive_cpu *xc, bool just_peek) irq = xive_read_eq(&xc->queue[prio], just_peek);

/* Found something ? That's it */ - if (irq) - break; + if (irq) { + if (just_peek || irq_to_desc(irq)) + break; + /* + * We should never get here; if we do then we must + * have failed to synchronize the interrupt properly + * when shutting it down. + */ + pr_crit("xive: got interrupt %d without descriptor, dropping\n", + irq); + WARN_ON(1); + continue; + }

/* Clear pending bits */ xc->pending_prio &= ~(1 << prio); @@ -307,6 +318,7 @@ static void xive_do_queue_eoi(struct xive_cpu *xc) */ static void xive_do_source_eoi(u32 hw_irq, struct xive_irq_data *xd) { + xd->stale_p = false; /* If the XIVE supports the new "store EOI facility, use it */ if (xd->flags & XIVE_IRQ_FLAG_STORE_EOI) xive_esb_write(xd, XIVE_ESB_STORE_EOI, 0); @@ -350,7 +362,7 @@ static void xive_do_source_eoi(u32 hw_irq, struct xive_irq_data *xd) } }

-/* irq_chip eoi callback */ +/* irq_chip eoi callback, called with irq descriptor lock held */ static void xive_irq_eoi(struct irq_data *d) { struct xive_irq_data *xd = irq_data_get_irq_handler_data(d); @@ -366,6 +378,8 @@ static void xive_irq_eoi(struct irq_data *d) if (!irqd_irq_disabled(d) && !irqd_is_forwarded_to_vcpu(d) && !(xd->flags & XIVE_IRQ_NO_EOI)) xive_do_source_eoi(irqd_to_hwirq(d), xd); + else + xd->stale_p = true;

/* * Clear saved_p to indicate that it's no longer occupying @@ -397,11 +411,16 @@ static void xive_do_source_set_mask(struct xive_irq_data *xd, */ if (mask) { val = xive_esb_read(xd, XIVE_ESB_SET_PQ_01); - xd->saved_p = !!(val & XIVE_ESB_VAL_P); - } else if (xd->saved_p) + if (!xd->stale_p && !!(val & XIVE_ESB_VAL_P)) + xd->saved_p = true; + xd->stale_p = false; + } else if (xd->saved_p) { xive_esb_read(xd, XIVE_ESB_SET_PQ_10); - else + xd->saved_p = false; + } else { xive_esb_read(xd, XIVE_ESB_SET_PQ_00); + xd->stale_p = false; + } }

/* @@ -541,6 +560,8 @@ static unsigned int xive_irq_startup(struct irq_data *d) unsigned int hw_irq = (unsigned int)irqd_to_hwirq(d); int target, rc;

+ xd->saved_p = false; + xd->stale_p = false; pr_devel("xive_irq_startup: irq %d [0x%x] data @%p\n", d->irq, hw_irq, d);

@@ -587,6 +608,7 @@ static unsigned int xive_irq_startup(struct irq_data *d) return 0; }

+/* called with irq descriptor lock held */ static void xive_irq_shutdown(struct irq_data *d) { struct xive_irq_data *xd = irq_data_get_irq_handler_data(d); @@ -601,16 +623,6 @@ static void xive_irq_shutdown(struct irq_data *d) /* Mask the interrupt at the source */ xive_do_source_set_mask(xd, true);

- /* - * The above may have set saved_p. We clear it otherwise it - * will prevent re-enabling later on. It is ok to forget the - * fact that the interrupt might be in a queue because we are - * accounting that already in xive_dec_target_count() and will - * be re-routing it to a new queue with proper accounting when - * it's started up again - */ - xd->saved_p = false; - /* * Mask the interrupt in HW in the IVT/EAS and set the number * to be the "bad" IRQ number @@ -797,6 +809,10 @@ static int xive_irq_retrigger(struct irq_data *d) return 1; }

+/* + * Caller holds the irq descriptor lock, so this won't be called + * concurrently with xive_get_irqchip_state on the same interrupt. + */ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state) { struct xive_irq_data *xd = irq_data_get_irq_handler_data(d); @@ -820,6 +836,10 @@ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state)

/* Set it to PQ=10 state to prevent further sends */ pq = xive_esb_read(xd, XIVE_ESB_SET_PQ_10); + if (!xd->stale_p) { + xd->saved_p = !!(pq & XIVE_ESB_VAL_P); + xd->stale_p = !xd->saved_p; + }

/* No target ? nothing to do */ if (xd->target == XIVE_INVALID_TARGET) { @@ -827,7 +847,7 @@ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state) * An untargetted interrupt should have been * also masked at the source */ - WARN_ON(pq & 2); + WARN_ON(xd->saved_p);

return 0; } @@ -847,9 +867,8 @@ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state) * This saved_p is cleared by the host EOI, when we know * for sure the queue slot is no longer in use. */ - if (pq & 2) { - pq = xive_esb_read(xd, XIVE_ESB_SET_PQ_11); - xd->saved_p = true; + if (xd->saved_p) { + xive_esb_read(xd, XIVE_ESB_SET_PQ_11);

/* * Sync the XIVE source HW to ensure the interrupt @@ -862,8 +881,7 @@ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state) */ if (xive_ops->sync_source) xive_ops->sync_source(hw_irq); - } else - xd->saved_p = false; + } } else { irqd_clr_forwarded_to_vcpu(d);

@@ -914,6 +932,23 @@ static int xive_irq_set_vcpu_affinity(struct irq_data *d, void *state) return 0; }

+/* Called with irq descriptor lock held. */ +static int xive_get_irqchip_state(struct irq_data *data, + enum irqchip_irq_state which, bool *state) +{ + struct xive_irq_data *xd = irq_data_get_irq_handler_data(data); + + switch (which) { + case IRQCHIP_STATE_ACTIVE: + *state = !xd->stale_p && + (xd->saved_p || + !!(xive_esb_read(xd, XIVE_ESB_GET) & XIVE_ESB_VAL_P)); + return 0; + default: + return -EINVAL; + } +} + static struct irq_chip xive_irq_chip = { .name = "XIVE-IRQ", .irq_startup = xive_irq_startup, @@ -925,6 +960,7 @@ static struct irq_chip xive_irq_chip = { .irq_set_type = xive_irq_set_type, .irq_retrigger = xive_irq_retrigger, .irq_set_vcpu_affinity = xive_irq_set_vcpu_affinity, + .irq_get_irqchip_state = xive_get_irqchip_state, };

bool is_xive_irq(struct irq_chip *chip) @@ -1337,6 +1373,11 @@ static void xive_flush_cpu_queue(unsigned int cpu, struct xive_cpu *xc) raw_spin_lock(&desc->lock); xd = irq_desc_get_handler_data(desc);

+ /* + * Clear saved_p to indicate that it's no longer pending + */ + xd->saved_p = false; + /* * For LSIs, we EOI, this will cause a resend if it's * still asserted. Otherwise do an MSI retrigger. diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c index cf156aadefe9..ad8ee7dd7f57 100644 --- a/arch/powerpc/sysdev/xive/native.c +++ b/arch/powerpc/sysdev/xive/native.c @@ -811,6 +811,13 @@ int xive_native_set_queue_state(u32 vp_id, u32 prio, u32 qtoggle, u32 qindex) } EXPORT_SYMBOL_GPL(xive_native_set_queue_state);

+bool xive_native_has_queue_state_support(void) +{ + return opal_check_token(OPAL_XIVE_GET_QUEUE_STATE) && + opal_check_token(OPAL_XIVE_SET_QUEUE_STATE); +} +EXPORT_SYMBOL_GPL(xive_native_has_queue_state_support); + int xive_native_get_vp_state(u32 vp_id, u64 *out_state) { __be64 state; diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S index bc7a56e1ca6f..9b60878a4469 100644 --- a/arch/riscv/kernel/entry.S +++ b/arch/riscv/kernel/entry.S @@ -166,9 +166,13 @@ ENTRY(handle_exception) move a0, sp /* pt_regs */ tail do_IRQ 1: - /* Exceptions run with interrupts enabled */ + /* Exceptions run with interrupts enabled or disabled + depending on the state of sstatus.SR_SPIE */ + andi t0, s1, SR_SPIE + beqz t0, 1f csrs sstatus, SR_SIE

+1: /* Handle syscalls */ li t0, EXC_SYSCALL beq s4, t0, handle_syscall diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 63873aa6693f..9f2727bf3cbe 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -184,20 +184,30 @@ unsigned long get_wchan(struct task_struct *p)

if (!p || p == current || p->state == TASK_RUNNING || !task_stack_page(p)) return 0; + + if (!try_get_task_stack(p)) + return 0; + low = task_stack_page(p); high = (struct stack_frame *) task_pt_regs(p); sf = (struct stack_frame *) p->thread.ksp; - if (sf <= low || sf > high) - return 0; + if (sf <= low || sf > high) { + return_address = 0; + goto out; + } for (count = 0; count < 16; count++) { sf = (struct stack_frame *) sf->back_chain; - if (sf <= low || sf > high) - return 0; + if (sf <= low || sf > high) { + return_address = 0; + goto out; + } return_address = sf->gprs[8]; if (!in_sched_functions(return_address)) - return return_address; + goto out; } - return 0; +out: + put_task_stack(p); + return return_address; }

unsigned long arch_align_stack(unsigned long sp) diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 2db6fb405a9a..3627953007ed 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -311,7 +311,8 @@ int arch_update_cpu_topology(void) on_each_cpu(__arch_update_dedicated_flag, NULL, 0); for_each_online_cpu(cpu) { dev = get_cpu_device(cpu); - kobject_uevent(&dev->kobj, KOBJ_CHANGE); + if (dev) + kobject_uevent(&dev->kobj, KOBJ_CHANGE); } return rc; } diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 39cff07bf2eb..7d955dbf9e6d 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -332,7 +332,7 @@ static inline int plo_test_bit(unsigned char nr) return cc == 0; }

-static inline void __insn32_query(unsigned int opcode, u8 query[32]) +static inline void __insn32_query(unsigned int opcode, u8 *query) { register unsigned long r0 asm("0") = 0; /* query function */ register unsigned long r1 asm("1") = (unsigned long) query; @@ -340,9 +340,9 @@ static inline void __insn32_query(unsigned int opcode, u8 query[32]) asm volatile( /* Parameter regs are ignored */ " .insn rrf,%[opc] << 16,2,4,6,0\n" - : "=m" (*query) + : : "d" (r0), "a" (r1), [opc] "i" (opcode) - : "cc"); + : "cc", "memory"); }

#define INSN_SORTL 0xb938 @@ -4257,7 +4257,7 @@ static long kvm_s390_guest_mem_op(struct kvm_vcpu *vcpu, const u64 supported_flags = KVM_S390_MEMOP_F_INJECT_EXCEPTION | KVM_S390_MEMOP_F_CHECK_ONLY;

- if (mop->flags & ~supported_flags) + if (mop->flags & ~supported_flags || mop->ar >= NUM_ACRS || !mop->size) return -EINVAL;

if (mop->size > MEM_OP_MAX_SIZE) diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index a3cba321b5c5..61aa9421e27a 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -2584,7 +2584,7 @@ static int nested_check_vm_entry_controls(struct kvm_vcpu *vcpu,

/* VM-entry exception error code */ if (has_error_code && - vmcs12->vm_entry_exception_error_code & GENMASK(31, 15)) + vmcs12->vm_entry_exception_error_code & GENMASK(31, 16)) return -EINVAL;

/* VM-entry interruption-info field: reserved bits */ diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 350adc83eb50..e5ccfb33dbea 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -884,34 +884,42 @@ int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr) } EXPORT_SYMBOL_GPL(kvm_set_xcr);

-int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) +static int kvm_valid_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) { - unsigned long old_cr4 = kvm_read_cr4(vcpu); - unsigned long pdptr_bits = X86_CR4_PGE | X86_CR4_PSE | X86_CR4_PAE | - X86_CR4_SMEP | X86_CR4_SMAP | X86_CR4_PKE; - if (cr4 & CR4_RESERVED_BITS) - return 1; + return -EINVAL;

if (!guest_cpuid_has(vcpu, X86_FEATURE_XSAVE) && (cr4 & X86_CR4_OSXSAVE)) - return 1; + return -EINVAL;

if (!guest_cpuid_has(vcpu, X86_FEATURE_SMEP) && (cr4 & X86_CR4_SMEP)) - return 1; + return -EINVAL;

if (!guest_cpuid_has(vcpu, X86_FEATURE_SMAP) && (cr4 & X86_CR4_SMAP)) - return 1; + return -EINVAL;

if (!guest_cpuid_has(vcpu, X86_FEATURE_FSGSBASE) && (cr4 & X86_CR4_FSGSBASE)) - return 1; + return -EINVAL;

if (!guest_cpuid_has(vcpu, X86_FEATURE_PKU) && (cr4 & X86_CR4_PKE)) - return 1; + return -EINVAL;

if (!guest_cpuid_has(vcpu, X86_FEATURE_LA57) && (cr4 & X86_CR4_LA57)) - return 1; + return -EINVAL;

if (!guest_cpuid_has(vcpu, X86_FEATURE_UMIP) && (cr4 & X86_CR4_UMIP)) + return -EINVAL; + + return 0; +} + +int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) +{ + unsigned long old_cr4 = kvm_read_cr4(vcpu); + unsigned long pdptr_bits = X86_CR4_PGE | X86_CR4_PSE | X86_CR4_PAE | + X86_CR4_SMEP | X86_CR4_SMAP | X86_CR4_PKE; + + if (kvm_valid_cr4(vcpu, cr4)) return 1;

if (is_long_mode(vcpu)) { @@ -8598,10 +8606,6 @@ EXPORT_SYMBOL_GPL(kvm_task_switch);

static int kvm_valid_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) { - if (!guest_cpuid_has(vcpu, X86_FEATURE_XSAVE) && - (sregs->cr4 & X86_CR4_OSXSAVE)) - return -EINVAL; - if ((sregs->efer & EFER_LME) && (sregs->cr0 & X86_CR0_PG)) { /* * When EFER.LME and CR0.PG are set, the processor is in @@ -8620,7 +8624,7 @@ static int kvm_valid_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) return -EINVAL; }

- return 0; + return kvm_valid_cr4(vcpu, sregs->cr4); }

static int __set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile index 10fb42da0007..b81b5172cf99 100644 --- a/arch/x86/purgatory/Makefile +++ b/arch/x86/purgatory/Makefile @@ -23,6 +23,7 @@ KCOV_INSTRUMENT := n

PURGATORY_CFLAGS_REMOVE := -mcmodel=kernel PURGATORY_CFLAGS := -mcmodel=large -ffreestanding -fno-zero-initialized-in-bss +PURGATORY_CFLAGS += $(DISABLE_STACKLEAK_PLUGIN)

# Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. That # in turn leaves some undefined symbols like __fentry__ in purgatory and not diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index c9d183d6c499..ca22afd47b3d 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -555,8 +555,6 @@ void blk_mq_sched_free_requests(struct request_queue *q) struct blk_mq_hw_ctx *hctx; int i;

- lockdep_assert_held(&q->sysfs_lock); - queue_for_each_hw_ctx(q, hctx, i) { if (hctx->sched_tags) blk_mq_free_rqs(q->tag_set, hctx->sched_tags, i); diff --git a/block/blk.h b/block/blk.h index d5edfd73d45e..0685c45e3d96 100644 --- a/block/blk.h +++ b/block/blk.h @@ -201,6 +201,8 @@ void elv_unregister_queue(struct request_queue *q); static inline void elevator_exit(struct request_queue *q, struct elevator_queue *e) { + lockdep_assert_held(&q->sysfs_lock); + blk_mq_sched_free_requests(q); __elevator_exit(q, e); } diff --git a/crypto/skcipher.c b/crypto/skcipher.c index 5d836fc3df3e..22753c1c7202 100644 --- a/crypto/skcipher.c +++ b/crypto/skcipher.c @@ -90,7 +90,7 @@ static inline u8 *skcipher_get_spot(u8 *start, unsigned int len) return max(start, end_page); }

-static void skcipher_done_slow(struct skcipher_walk *walk, unsigned int bsize) +static int skcipher_done_slow(struct skcipher_walk *walk, unsigned int bsize) { u8 *addr;

@@ -98,19 +98,21 @@ static void skcipher_done_slow(struct skcipher_walk *walk, unsigned int bsize) addr = skcipher_get_spot(addr, bsize); scatterwalk_copychunks(addr, &walk->out, bsize, (walk->flags & SKCIPHER_WALK_PHYS) ? 2 : 1); + return 0; }

int skcipher_walk_done(struct skcipher_walk *walk, int err) { - unsigned int n; /* bytes processed */ - bool more; + unsigned int n = walk->nbytes; + unsigned int nbytes = 0;

- if (unlikely(err < 0)) + if (!n) goto finish;

- n = walk->nbytes - err; - walk->total -= n; - more = (walk->total != 0); + if (likely(err >= 0)) { + n -= err; + nbytes = walk->total - n; + }

if (likely(!(walk->flags & (SKCIPHER_WALK_PHYS | SKCIPHER_WALK_SLOW | @@ -126,7 +128,7 @@ int skcipher_walk_done(struct skcipher_walk *walk, int err) memcpy(walk->dst.virt.addr, walk->page, n); skcipher_unmap_dst(walk); } else if (unlikely(walk->flags & SKCIPHER_WALK_SLOW)) { - if (err) { + if (err > 0) { /* * Didn't process all bytes. Either the algorithm is * broken, or this was the last step and it turned out @@ -134,27 +136,29 @@ int skcipher_walk_done(struct skcipher_walk *walk, int err) * the algorithm requires it. */ err = -EINVAL; - goto finish; - } - skcipher_done_slow(walk, n); - goto already_advanced; + nbytes = 0; + } else + n = skcipher_done_slow(walk, n); }

+ if (err > 0) + err = 0; + + walk->total = nbytes; + walk->nbytes = 0; + scatterwalk_advance(&walk->in, n); scatterwalk_advance(&walk->out, n); -already_advanced: - scatterwalk_done(&walk->in, 0, more); - scatterwalk_done(&walk->out, 1, more); + scatterwalk_done(&walk->in, 0, nbytes); + scatterwalk_done(&walk->out, 1, nbytes);

- if (more) { + if (nbytes) { crypto_yield(walk->flags & SKCIPHER_WALK_SLEEP ? CRYPTO_TFM_REQ_MAY_SLEEP : 0); return skcipher_walk_next(walk); } - err = 0; -finish: - walk->nbytes = 0;

+finish: /* Short-circuit for the common/fast path. */ if (!((unsigned long)walk->buffer | (unsigned long)walk->page)) goto out; diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index a69a90ad9208..0b727f7432f9 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -108,6 +108,7 @@ struct nbd_device { struct nbd_config *config; struct mutex config_lock; struct gendisk *disk; + struct workqueue_struct *recv_workq;

struct list_head list; struct task_struct *task_recv; @@ -138,7 +139,6 @@ static struct dentry *nbd_dbg_dir;

static unsigned int nbds_max = 16; static int max_part = 16; -static struct workqueue_struct *recv_workqueue; static int part_shift;

static int nbd_dev_dbg_init(struct nbd_device *nbd); @@ -1038,7 +1038,7 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg) /* We take the tx_mutex in an error path in the recv_work, so we * need to queue_work outside of the tx_mutex. */ - queue_work(recv_workqueue, &args->work); + queue_work(nbd->recv_workq, &args->work);

atomic_inc(&config->live_connections); wake_up(&config->conn_wait); @@ -1139,6 +1139,10 @@ static void nbd_config_put(struct nbd_device *nbd) kfree(nbd->config); nbd->config = NULL;

+ if (nbd->recv_workq) + destroy_workqueue(nbd->recv_workq); + nbd->recv_workq = NULL; + nbd->tag_set.timeout = 0; nbd->disk->queue->limits.discard_granularity = 0; nbd->disk->queue->limits.discard_alignment = 0; @@ -1167,6 +1171,14 @@ static int nbd_start_device(struct nbd_device *nbd) return -EINVAL; }

+ nbd->recv_workq = alloc_workqueue("knbd%d-recv", + WQ_MEM_RECLAIM | WQ_HIGHPRI | + WQ_UNBOUND, 0, nbd->index); + if (!nbd->recv_workq) { + dev_err(disk_to_dev(nbd->disk), "Could not allocate knbd recv work queue.\n"); + return -ENOMEM; + } + blk_mq_update_nr_hw_queues(&nbd->tag_set, config->num_connections); nbd->task_recv = current;

@@ -1197,7 +1209,7 @@ static int nbd_start_device(struct nbd_device *nbd) INIT_WORK(&args->work, recv_work); args->nbd = nbd; args->index = i; - queue_work(recv_workqueue, &args->work); + queue_work(nbd->recv_workq, &args->work); } nbd_size_update(nbd); return error; @@ -1217,8 +1229,10 @@ static int nbd_start_device_ioctl(struct nbd_device *nbd, struct block_device *b mutex_unlock(&nbd->config_lock); ret = wait_event_interruptible(config->recv_wq, atomic_read(&config->recv_threads) == 0); - if (ret) + if (ret) { sock_shutdown(nbd); + flush_workqueue(nbd->recv_workq); + } mutex_lock(&nbd->config_lock); nbd_bdev_reset(bdev); /* user requested, ignore socket errors */ @@ -1877,6 +1891,12 @@ static void nbd_disconnect_and_put(struct nbd_device *nbd) nbd_disconnect(nbd); nbd_clear_sock(nbd); mutex_unlock(&nbd->config_lock); + /* + * Make sure recv thread has finished, so it does not drop the last + * config ref and try to destroy the workqueue from inside the work + * queue. + */ + flush_workqueue(nbd->recv_workq); if (test_and_clear_bit(NBD_HAS_CONFIG_REF, &nbd->config->runtime_flags)) nbd_config_put(nbd); @@ -2263,20 +2283,12 @@ static int __init nbd_init(void)

if (nbds_max > 1UL << (MINORBITS - part_shift)) return -EINVAL; - recv_workqueue = alloc_workqueue("knbd-recv", - WQ_MEM_RECLAIM | WQ_HIGHPRI | - WQ_UNBOUND, 0); - if (!recv_workqueue) - return -ENOMEM;

- if (register_blkdev(NBD_MAJOR, "nbd")) { - destroy_workqueue(recv_workqueue); + if (register_blkdev(NBD_MAJOR, "nbd")) return -EIO; - }

if (genl_register_family(&nbd_genl_family)) { unregister_blkdev(NBD_MAJOR, "nbd"); - destroy_workqueue(recv_workqueue); return -EINVAL; } nbd_dbg_init(); @@ -2318,7 +2330,6 @@ static void __exit nbd_cleanup(void)

idr_destroy(&nbd_index_idr); genl_unregister_family(&nbd_genl_family); - destroy_workqueue(recv_workqueue); unregister_blkdev(NBD_MAJOR, "nbd"); }

diff --git a/drivers/crypto/caam/caamalg_desc.c b/drivers/crypto/caam/caamalg_desc.c index 72531837571e..28ecef7a481c 100644 --- a/drivers/crypto/caam/caamalg_desc.c +++ b/drivers/crypto/caam/caamalg_desc.c @@ -503,6 +503,7 @@ void cnstr_shdsc_aead_givencap(u32 * const desc, struct alginfo *cdata, const bool is_qi, int era) { u32 geniv, moveiv; + u32 *wait_cmd;

/* Note: Context registers are saved. */ init_sh_desc_key_aead(desc, cdata, adata, is_rfc3686, nonce, era); @@ -598,6 +599,14 @@ void cnstr_shdsc_aead_givencap(u32 * const desc, struct alginfo *cdata,

/* Will read cryptlen */ append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ); + + /* + * Wait for IV transfer (ofifo -> class2) to finish before starting + * ciphertext transfer (ofifo -> external memory). + */ + wait_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | JUMP_COND_NIFP); + set_jump_tgt_here(desc, wait_cmd); + append_seq_fifo_load(desc, 0, FIFOLD_CLASS_BOTH | KEY_VLF | FIFOLD_TYPE_MSG1OUT2 | FIFOLD_TYPE_LASTBOTH); append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | KEY_VLF); diff --git a/drivers/crypto/caam/caamalg_desc.h b/drivers/crypto/caam/caamalg_desc.h index da4a4ee60c80..706007624d82 100644 --- a/drivers/crypto/caam/caamalg_desc.h +++ b/drivers/crypto/caam/caamalg_desc.h @@ -12,7 +12,7 @@ #define DESC_AEAD_BASE (4 * CAAM_CMD_SZ) #define DESC_AEAD_ENC_LEN (DESC_AEAD_BASE + 11 * CAAM_CMD_SZ) #define DESC_AEAD_DEC_LEN (DESC_AEAD_BASE + 15 * CAAM_CMD_SZ) -#define DESC_AEAD_GIVENC_LEN (DESC_AEAD_ENC_LEN + 7 * CAAM_CMD_SZ) +#define DESC_AEAD_GIVENC_LEN (DESC_AEAD_ENC_LEN + 8 * CAAM_CMD_SZ) #define DESC_QI_AEAD_ENC_LEN (DESC_AEAD_ENC_LEN + 3 * CAAM_CMD_SZ) #define DESC_QI_AEAD_DEC_LEN (DESC_AEAD_DEC_LEN + 3 * CAAM_CMD_SZ) #define DESC_QI_AEAD_GIVENC_LEN (DESC_AEAD_GIVENC_LEN + 3 * CAAM_CMD_SZ) diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c index 4f0d45865aa2..95da6ae43482 100644 --- a/drivers/crypto/caam/error.c +++ b/drivers/crypto/caam/error.c @@ -118,6 +118,7 @@ static const struct { u8 value; const char *error_text; } qi_error_list[] = { + { 0x00, "No error" }, { 0x1F, "Job terminated by FQ or ICID flush" }, { 0x20, "FD format error"}, { 0x21, "FD command format error"}, diff --git a/drivers/crypto/caam/qi.c b/drivers/crypto/caam/qi.c index 0fe618e3804a..19a378bdf331 100644 --- a/drivers/crypto/caam/qi.c +++ b/drivers/crypto/caam/qi.c @@ -163,7 +163,10 @@ static void caam_fq_ern_cb(struct qman_portal *qm, struct qman_fq *fq, dma_unmap_single(drv_req->drv_ctx->qidev, qm_fd_addr(fd), sizeof(drv_req->fd_sgt), DMA_BIDIRECTIONAL);

- drv_req->cbk(drv_req, -EIO); + if (fd->status) + drv_req->cbk(drv_req, be32_to_cpu(fd->status)); + else + drv_req->cbk(drv_req, JRSTA_SSRC_QI); }

static struct qman_fq *create_caam_req_fq(struct device *qidev, diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h index 8591914d5c51..7c7ea8af6a48 100644 --- a/drivers/crypto/caam/regs.h +++ b/drivers/crypto/caam/regs.h @@ -641,6 +641,7 @@ struct caam_job_ring { #define JRSTA_SSRC_CCB_ERROR 0x20000000 #define JRSTA_SSRC_JUMP_HALT_USER 0x30000000 #define JRSTA_SSRC_DECO 0x40000000 +#define JRSTA_SSRC_QI 0x50000000 #define JRSTA_SSRC_JRERROR 0x60000000 #define JRSTA_SSRC_JUMP_HALT_CC 0x70000000

diff --git a/drivers/crypto/cavium/zip/zip_main.c b/drivers/crypto/cavium/zip/zip_main.c index a8447a3cf366..194624b4855b 100644 --- a/drivers/crypto/cavium/zip/zip_main.c +++ b/drivers/crypto/cavium/zip/zip_main.c @@ -593,6 +593,7 @@ static const struct file_operations zip_stats_fops = { .owner = THIS_MODULE, .open = zip_stats_open, .read = seq_read, + .release = single_release, };

static int zip_clear_open(struct inode *inode, struct file *file) @@ -604,6 +605,7 @@ static const struct file_operations zip_clear_fops = { .owner = THIS_MODULE, .open = zip_clear_open, .read = seq_read, + .release = single_release, };

static int zip_regs_open(struct inode *inode, struct file *file) @@ -615,6 +617,7 @@ static const struct file_operations zip_regs_fops = { .owner = THIS_MODULE, .open = zip_regs_open, .read = seq_read, + .release = single_release, };

/* Root directory for thunderx_zip debugfs entry */ diff --git a/drivers/crypto/ccree/cc_aead.c b/drivers/crypto/ccree/cc_aead.c index 7aa4cbe19a86..29bf397cf0c1 100644 --- a/drivers/crypto/ccree/cc_aead.c +++ b/drivers/crypto/ccree/cc_aead.c @@ -236,7 +236,7 @@ static void cc_aead_complete(struct device *dev, void *cc_req, int err) /* In case of payload authentication failure, MUST NOT * revealed the decrypted message --> zero its memory. */ - cc_zero_sgl(areq->dst, areq_ctx->cryptlen); + cc_zero_sgl(areq->dst, areq->cryptlen); err = -EBADMSG; } } else { /*ENCRYPT*/ diff --git a/drivers/crypto/ccree/cc_fips.c b/drivers/crypto/ccree/cc_fips.c index 5ad3ffb7acaa..040e09c0e1af 100644 --- a/drivers/crypto/ccree/cc_fips.c +++ b/drivers/crypto/ccree/cc_fips.c @@ -21,7 +21,13 @@ static bool cc_get_tee_fips_status(struct cc_drvdata *drvdata) u32 reg;

reg = cc_ioread(drvdata, CC_REG(GPR_HOST)); - return (reg == (CC_FIPS_SYNC_TEE_STATUS | CC_FIPS_SYNC_MODULE_OK)); + /* Did the TEE report status? */ + if (reg & CC_FIPS_SYNC_TEE_STATUS) + /* Yes. Is it OK? */ + return (reg & CC_FIPS_SYNC_MODULE_OK); + + /* No. It's either not in use or will be reported later */ + return true; }

/* diff --git a/drivers/crypto/qat/qat_common/adf_common_drv.h b/drivers/crypto/qat/qat_common/adf_common_drv.h index 5c4c0a253129..d78f8d5c89c3 100644 --- a/drivers/crypto/qat/qat_common/adf_common_drv.h +++ b/drivers/crypto/qat/qat_common/adf_common_drv.h @@ -95,7 +95,7 @@ struct service_hndl {

static inline int get_current_node(void) { - return topology_physical_package_id(smp_processor_id()); + return topology_physical_package_id(raw_smp_processor_id()); }

int adf_service_register(struct service_hndl *service); diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c index 35c38aad8b4f..cd15c96dd27f 100644 --- a/drivers/devfreq/tegra-devfreq.c +++ b/drivers/devfreq/tegra-devfreq.c @@ -474,11 +474,11 @@ static int tegra_devfreq_target(struct device *dev, unsigned long *freq, { struct tegra_devfreq *tegra = dev_get_drvdata(dev); struct dev_pm_opp *opp; - unsigned long rate = *freq * KHZ; + unsigned long rate;

- opp = devfreq_recommended_opp(dev, &rate, flags); + opp = devfreq_recommended_opp(dev, freq, flags); if (IS_ERR(opp)) { - dev_err(dev, "Failed to find opp for %lu KHz\n", *freq); + dev_err(dev, "Failed to find opp for %lu Hz\n", *freq); return PTR_ERR(opp); } rate = dev_pm_opp_get_freq(opp); @@ -487,8 +487,6 @@ static int tegra_devfreq_target(struct device *dev, unsigned long *freq, clk_set_min_rate(tegra->emc_clock, rate); clk_set_rate(tegra->emc_clock, 0);

- *freq = rate; - return 0; }

@@ -498,7 +496,7 @@ static int tegra_devfreq_get_dev_status(struct device *dev, struct tegra_devfreq *tegra = dev_get_drvdata(dev); struct tegra_devfreq_device *actmon_dev;

- stat->current_frequency = tegra->cur_freq; + stat->current_frequency = tegra->cur_freq * KHZ;

/* To be used by the tegra governor */ stat->private_data = tegra; @@ -553,7 +551,7 @@ static int tegra_governor_get_target(struct devfreq *devfreq, target_freq = max(target_freq, dev->target_freq); }

- *freq = target_freq; + *freq = target_freq * KHZ;

return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 7850084a05e3..60655834d649 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -143,7 +143,8 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, /* ring tests don't use a job */ if (job) { vm = job->vm; - fence_ctx = job->base.s_fence->scheduled.context; + fence_ctx = job->base.s_fence ? + job->base.s_fence->scheduled.context : 0; } else { vm = NULL; fence_ctx = 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 0cf7e8606fd3..00beba533582 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -662,6 +662,9 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK) sh_num = 0xffffffff;

+ if (info->read_mmr_reg.count > 128) + return -EINVAL; + regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL); if (!regs) return -ENOMEM; diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index 9aaf2deff6e9..8bf9f541e7fe 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -532,7 +532,7 @@ static int navi10_get_metrics_table(struct smu_context *smu, struct smu_table_context *smu_table= &smu->smu_table; int ret = 0;

- if (!smu_table->metrics_time || time_after(jiffies, smu_table->metrics_time + HZ / 1000)) { + if (!smu_table->metrics_time || time_after(jiffies, smu_table->metrics_time + msecs_to_jiffies(100))) { ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, 0, (void *)smu_table->metrics_table, false); if (ret) { diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c index 50af399d7f6f..380be66d4c6e 100644 --- a/drivers/gpu/drm/arm/malidp_hw.c +++ b/drivers/gpu/drm/arm/malidp_hw.c @@ -385,6 +385,7 @@ int malidp_format_get_bpp(u32 fmt) switch (fmt) { case DRM_FORMAT_VUY101010: bpp = 30; + break; case DRM_FORMAT_YUV420_10BIT: bpp = 15; break; @@ -1309,7 +1310,7 @@ static irqreturn_t malidp_se_irq(int irq, void *arg) break; case MW_RESTART: drm_writeback_signal_completion(&malidp->mw_connector, 0); - /* fall through to a new start */ + /* fall through - to a new start */ case MW_START: /* writeback started, need to emulate one-shot mode */ hw->disable_memwrite(hwdev); diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index abe38bdf85ae..15be4667f26f 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -1301,8 +1301,7 @@ int drm_mode_atomic_ioctl(struct drm_device *dev, if (arg->reserved) return -EINVAL;

- if ((arg->flags & DRM_MODE_PAGE_FLIP_ASYNC) && - !dev->mode_config.async_page_flip) + if (arg->flags & DRM_MODE_PAGE_FLIP_ASYNC) return -EINVAL;

/* can't test and expect an event at the same time. */ diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index bd810454d239..d9de5cf8c09f 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -336,7 +336,12 @@ drm_setclientcap(struct drm_device *dev, void *data, struct drm_file *file_priv) case DRM_CLIENT_CAP_ATOMIC: if (!drm_core_check_feature(dev, DRIVER_ATOMIC)) return -EOPNOTSUPP; - if (req->value > 1) + /* The modesetting DDX has a totally broken idea of atomic. */ + if (current->comm[0] == 'X' && req->value == 1) { + pr_info("broken atomic modeset userspace detected, disabling atomic\n"); + return -EOPNOTSUPP; + } + if (req->value > 2) return -EINVAL; file_priv->atomic = req->value; file_priv->universal_planes = req->value; diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 592b92782fab..1e59a78e74bf 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -7132,7 +7132,7 @@ static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc, pipe_config->fdi_lanes = lane;

intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock, - link_bw, &pipe_config->fdi_m_n, false); + link_bw, &pipe_config->fdi_m_n, false, false);

ret = ironlake_check_fdi_lanes(dev, intel_crtc->pipe, pipe_config); if (ret == -EDEADLK) @@ -7379,11 +7379,15 @@ void intel_link_compute_m_n(u16 bits_per_pixel, int nlanes, int pixel_clock, int link_clock, struct intel_link_m_n *m_n, - bool constant_n) + bool constant_n, bool fec_enable) { - m_n->tu = 64; + u32 data_clock = bits_per_pixel * pixel_clock; + + if (fec_enable) + data_clock = intel_dp_mode_to_fec_clock(data_clock);

- compute_m_n(bits_per_pixel * pixel_clock, + m_n->tu = 64; + compute_m_n(data_clock, link_clock * nlanes * 8, &m_n->gmch_m, &m_n->gmch_n, constant_n); diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index ee6b8194a459..868914c6d9b5 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -351,7 +351,7 @@ struct intel_link_m_n { void intel_link_compute_m_n(u16 bpp, int nlanes, int pixel_clock, int link_clock, struct intel_link_m_n *m_n, - bool constant_n); + bool constant_n, bool fec_enable); bool is_ccs_modifier(u64 modifier); void lpt_disable_clkout_dp(struct drm_i915_private *dev_priv); u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index d0fc34826771..87f4a381dec2 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -76,8 +76,8 @@ #define DP_DSC_MAX_ENC_THROUGHPUT_0 340000 #define DP_DSC_MAX_ENC_THROUGHPUT_1 400000

-/* DP DSC FEC Overhead factor = (100 - 2.4)/100 */ -#define DP_DSC_FEC_OVERHEAD_FACTOR 976 +/* DP DSC FEC Overhead factor = 1/(0.972261) */ +#define DP_DSC_FEC_OVERHEAD_FACTOR 972261

/* Compliance test status bits */ #define INTEL_DP_RESOLUTION_SHIFT_MASK 0 @@ -526,6 +526,97 @@ int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp, return 0; }

+u32 intel_dp_mode_to_fec_clock(u32 mode_clock) +{ + return div_u64(mul_u32_u32(mode_clock, 1000000U), + DP_DSC_FEC_OVERHEAD_FACTOR); +} + +static u16 intel_dp_dsc_get_output_bpp(u32 link_clock, u32 lane_count, + u32 mode_clock, u32 mode_hdisplay) +{ + u32 bits_per_pixel, max_bpp_small_joiner_ram; + int i; + + /* + * Available Link Bandwidth(Kbits/sec) = (NumberOfLanes)* + * (LinkSymbolClock)* 8 * (TimeSlotsPerMTP) + * for SST -> TimeSlotsPerMTP is 1, + * for MST -> TimeSlotsPerMTP has to be calculated + */ + bits_per_pixel = (link_clock * lane_count * 8) / + intel_dp_mode_to_fec_clock(mode_clock); + DRM_DEBUG_KMS("Max link bpp: %u\n", bits_per_pixel); + + /* Small Joiner Check: output bpp <= joiner RAM (bits) / Horiz. width */ + max_bpp_small_joiner_ram = DP_DSC_MAX_SMALL_JOINER_RAM_BUFFER / mode_hdisplay; + DRM_DEBUG_KMS("Max small joiner bpp: %u\n", max_bpp_small_joiner_ram); + + /* + * Greatest allowed DSC BPP = MIN (output BPP from available Link BW + * check, output bpp from small joiner RAM check) + */ + bits_per_pixel = min(bits_per_pixel, max_bpp_small_joiner_ram); + + /* Error out if the max bpp is less than smallest allowed valid bpp */ + if (bits_per_pixel < valid_dsc_bpp[0]) { + DRM_DEBUG_KMS("Unsupported BPP %u, min %u\n", + bits_per_pixel, valid_dsc_bpp[0]); + return 0; + } + + /* Find the nearest match in the array of known BPPs from VESA */ + for (i = 0; i < ARRAY_SIZE(valid_dsc_bpp) - 1; i++) { + if (bits_per_pixel < valid_dsc_bpp[i + 1]) + break; + } + bits_per_pixel = valid_dsc_bpp[i]; + + /* + * Compressed BPP in U6.4 format so multiply by 16, for Gen 11, + * fractional part is 0 + */ + return bits_per_pixel << 4; +} + +static u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp, + int mode_clock, int mode_hdisplay) +{ + u8 min_slice_count, i; + int max_slice_width; + + if (mode_clock <= DP_DSC_PEAK_PIXEL_RATE) + min_slice_count = DIV_ROUND_UP(mode_clock, + DP_DSC_MAX_ENC_THROUGHPUT_0); + else + min_slice_count = DIV_ROUND_UP(mode_clock, + DP_DSC_MAX_ENC_THROUGHPUT_1); + + max_slice_width = drm_dp_dsc_sink_max_slice_width(intel_dp->dsc_dpcd); + if (max_slice_width < DP_DSC_MIN_SLICE_WIDTH_VALUE) { + DRM_DEBUG_KMS("Unsupported slice width %d by DP DSC Sink device\n", + max_slice_width); + return 0; + } + /* Also take into account max slice width */ + min_slice_count = min_t(u8, min_slice_count, + DIV_ROUND_UP(mode_hdisplay, + max_slice_width)); + + /* Find the closest match to the valid slice count values */ + for (i = 0; i < ARRAY_SIZE(valid_dsc_slicecount); i++) { + if (valid_dsc_slicecount[i] > + drm_dp_dsc_sink_max_slice_count(intel_dp->dsc_dpcd, + false)) + break; + if (min_slice_count <= valid_dsc_slicecount[i]) + return valid_dsc_slicecount[i]; + } + + DRM_DEBUG_KMS("Unsupported Slice Count %d\n", min_slice_count); + return 0; +} + static enum drm_mode_status intel_dp_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) @@ -2248,7 +2339,7 @@ intel_dp_compute_config(struct intel_encoder *encoder, adjusted_mode->crtc_clock, pipe_config->port_clock, &pipe_config->dp_m_n, - constant_n); + constant_n, pipe_config->fec_enable);

if (intel_connector->panel.downclock_mode != NULL && dev_priv->drrs.type == SEAMLESS_DRRS_SUPPORT) { @@ -2258,7 +2349,7 @@ intel_dp_compute_config(struct intel_encoder *encoder, intel_connector->panel.downclock_mode->clock, pipe_config->port_clock, &pipe_config->dp_m2_n2, - constant_n); + constant_n, pipe_config->fec_enable); }

if (!HAS_DDI(dev_priv)) @@ -4345,91 +4436,6 @@ intel_dp_get_sink_irq_esi(struct intel_dp *intel_dp, u8 *sink_irq_vector) DP_DPRX_ESI_LEN; }

-u16 intel_dp_dsc_get_output_bpp(int link_clock, u8 lane_count, - int mode_clock, int mode_hdisplay) -{ - u16 bits_per_pixel, max_bpp_small_joiner_ram; - int i; - - /* - * Available Link Bandwidth(Kbits/sec) = (NumberOfLanes)* - * (LinkSymbolClock)* 8 * ((100-FECOverhead)/100)*(TimeSlotsPerMTP) - * FECOverhead = 2.4%, for SST -> TimeSlotsPerMTP is 1, - * for MST -> TimeSlotsPerMTP has to be calculated - */ - bits_per_pixel = (link_clock * lane_count * 8 * - DP_DSC_FEC_OVERHEAD_FACTOR) / - mode_clock; - - /* Small Joiner Check: output bpp <= joiner RAM (bits) / Horiz. width */ - max_bpp_small_joiner_ram = DP_DSC_MAX_SMALL_JOINER_RAM_BUFFER / - mode_hdisplay; - - /* - * Greatest allowed DSC BPP = MIN (output BPP from avaialble Link BW - * check, output bpp from small joiner RAM check) - */ - bits_per_pixel = min(bits_per_pixel, max_bpp_small_joiner_ram); - - /* Error out if the max bpp is less than smallest allowed valid bpp */ - if (bits_per_pixel < valid_dsc_bpp[0]) { - DRM_DEBUG_KMS("Unsupported BPP %d\n", bits_per_pixel); - return 0; - } - - /* Find the nearest match in the array of known BPPs from VESA */ - for (i = 0; i < ARRAY_SIZE(valid_dsc_bpp) - 1; i++) { - if (bits_per_pixel < valid_dsc_bpp[i + 1]) - break; - } - bits_per_pixel = valid_dsc_bpp[i]; - - /* - * Compressed BPP in U6.4 format so multiply by 16, for Gen 11, - * fractional part is 0 - */ - return bits_per_pixel << 4; -} - -u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp, - int mode_clock, - int mode_hdisplay) -{ - u8 min_slice_count, i; - int max_slice_width; - - if (mode_clock <= DP_DSC_PEAK_PIXEL_RATE) - min_slice_count = DIV_ROUND_UP(mode_clock, - DP_DSC_MAX_ENC_THROUGHPUT_0); - else - min_slice_count = DIV_ROUND_UP(mode_clock, - DP_DSC_MAX_ENC_THROUGHPUT_1); - - max_slice_width = drm_dp_dsc_sink_max_slice_width(intel_dp->dsc_dpcd); - if (max_slice_width < DP_DSC_MIN_SLICE_WIDTH_VALUE) { - DRM_DEBUG_KMS("Unsupported slice width %d by DP DSC Sink device\n", - max_slice_width); - return 0; - } - /* Also take into account max slice width */ - min_slice_count = min_t(u8, min_slice_count, - DIV_ROUND_UP(mode_hdisplay, - max_slice_width)); - - /* Find the closest match to the valid slice count values */ - for (i = 0; i < ARRAY_SIZE(valid_dsc_slicecount); i++) { - if (valid_dsc_slicecount[i] > - drm_dp_dsc_sink_max_slice_count(intel_dp->dsc_dpcd, - false)) - break; - if (min_slice_count <= valid_dsc_slicecount[i]) - return valid_dsc_slicecount[i]; - } - - DRM_DEBUG_KMS("Unsupported Slice Count %d\n", min_slice_count); - return 0; -} - static void intel_pixel_encoding_setup_vsc(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index da70b1a41c83..c00e05894e35 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -102,10 +102,6 @@ bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp); bool intel_dp_source_supports_hbr3(struct intel_dp *intel_dp); bool intel_dp_get_link_status(struct intel_dp *intel_dp, u8 *link_status); -u16 intel_dp_dsc_get_output_bpp(int link_clock, u8 lane_count, - int mode_clock, int mode_hdisplay); -u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp, int mode_clock, - int mode_hdisplay);

bool intel_dp_read_dpcd(struct intel_dp *intel_dp); bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp); @@ -120,4 +116,6 @@ static inline unsigned int intel_dp_unused_lane_mask(int lane_count) return ~((1 << lane_count) - 1) & 0xf; }

+u32 intel_dp_mode_to_fec_clock(u32 mode_clock); + #endif /* __INTEL_DP_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 8aa6a31e8ad0..c42d487f4dff 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -81,7 +81,7 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder, adjusted_mode->crtc_clock, crtc_state->port_clock, &crtc_state->dp_m_n, - constant_n); + constant_n, crtc_state->fec_enable); crtc_state->dp_m_n.tu = slots;

return 0; diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index 75baff657e43..10875b8a39a3 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -1424,9 +1424,6 @@ static int prepare_mm(struct intel_vgpu_workload *workload) #define same_context(a, b) (((a)->context_id == (b)->context_id) && \ ((a)->lrca == (b)->lrca))

-#define get_last_workload(q) \ - (list_empty(q) ? NULL : container_of(q->prev, \ - struct intel_vgpu_workload, list)) /** * intel_vgpu_create_workload - create a vGPU workload * @vgpu: a vGPU @@ -1446,7 +1443,7 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, { struct intel_vgpu_submission *s = &vgpu->submission; struct list_head *q = workload_q_head(vgpu, ring_id); - struct intel_vgpu_workload *last_workload = get_last_workload(q); + struct intel_vgpu_workload *last_workload = NULL; struct intel_vgpu_workload *workload = NULL; struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; u64 ring_context_gpa; @@ -1472,15 +1469,20 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id, head &= RB_HEAD_OFF_MASK; tail &= RB_TAIL_OFF_MASK;

- if (last_workload && same_context(&last_workload->ctx_desc, desc)) { - gvt_dbg_el("ring id %d cur workload == last\n", ring_id); - gvt_dbg_el("ctx head %x real head %lx\n", head, - last_workload->rb_tail); - /* - * cannot use guest context head pointer here, - * as it might not be updated at this time - */ - head = last_workload->rb_tail; + list_for_each_entry_reverse(last_workload, q, list) { + + if (same_context(&last_workload->ctx_desc, desc)) { + gvt_dbg_el("ring id %d cur workload == last\n", + ring_id); + gvt_dbg_el("ctx head %x real head %lx\n", head, + last_workload->rb_tail); + /* + * cannot use guest context head pointer here, + * as it might not be updated at this time + */ + head = last_workload->rb_tail; + break; + } }

gvt_dbg_el("ring id %d begin a new workload\n", ring_id); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index fe7a6ec2c199..94b91a952699 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1073,6 +1073,7 @@ struct i915_frontbuffer_tracking { };

struct i915_virtual_gpu { + struct mutex lock; /* serialises sending of g2v_notify command pkts */ bool active; u32 caps; }; diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 7015a97b1097..6b702da7bba7 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1248,14 +1248,15 @@ static int gen8_init_scratch(struct i915_address_space *vm) return ret; }

-static int gen8_ppgtt_notify_vgt(struct i915_ppgtt *ppgtt, bool create) +static void gen8_ppgtt_notify_vgt(struct i915_ppgtt *ppgtt, bool create) { - struct i915_address_space *vm = &ppgtt->vm; - struct drm_i915_private *dev_priv = vm->i915; + struct drm_i915_private *dev_priv = ppgtt->vm.i915; enum vgt_g2v_type msg; int i;

- if (i915_vm_is_4lvl(vm)) { + mutex_lock(&dev_priv->vgpu.lock); + + if (i915_vm_is_4lvl(&ppgtt->vm)) { const u64 daddr = px_dma(ppgtt->pd);

I915_WRITE(vgtif_reg(pdp[0].lo), lower_32_bits(daddr)); @@ -1275,9 +1276,10 @@ static int gen8_ppgtt_notify_vgt(struct i915_ppgtt *ppgtt, bool create) VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY); }

+ /* g2v_notify atomically (via hv trap) consumes the message packet. */ I915_WRITE(vgtif_reg(g2v_notify), msg);

- return 0; + mutex_unlock(&dev_priv->vgpu.lock); }

static void gen8_free_scratch(struct i915_address_space *vm) diff --git a/drivers/gpu/drm/i915/i915_vgpu.c b/drivers/gpu/drm/i915/i915_vgpu.c index 724627afdedc..8b03c67f8e5b 100644 --- a/drivers/gpu/drm/i915/i915_vgpu.c +++ b/drivers/gpu/drm/i915/i915_vgpu.c @@ -79,6 +79,7 @@ void i915_check_vgpu(struct drm_i915_private *dev_priv) dev_priv->vgpu.caps = __raw_uncore_read32(uncore, vgtif_reg(vgt_caps));

dev_priv->vgpu.active = true; + mutex_init(&dev_priv->vgpu.lock); DRM_INFO("Virtual GPU for Intel GVT-g detected.\n"); }

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index aa35d18ab43c..02acb4338721 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -421,15 +421,15 @@ static int dsi_clk_init(struct msm_dsi_host *msm_host) }

msm_host->byte_clk_src = clk_get_parent(msm_host->byte_clk); - if (!msm_host->byte_clk_src) { - ret = -ENODEV; + if (IS_ERR(msm_host->byte_clk_src)) { + ret = PTR_ERR(msm_host->byte_clk_src); pr_err("%s: can't find byte_clk clock. ret=%d\n", __func__, ret); goto exit; }

msm_host->pixel_clk_src = clk_get_parent(msm_host->pixel_clk); - if (!msm_host->pixel_clk_src) { - ret = -ENODEV; + if (IS_ERR(msm_host->pixel_clk_src)) { + ret = PTR_ERR(msm_host->pixel_clk_src); pr_err("%s: can't find pixel_clk clock. ret=%d\n", __func__, ret); goto exit; } diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c index 5c36c75232e6..895a34a1a1ea 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -1603,7 +1603,8 @@ nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe) nv_encoder->aux = aux; }

- if ((data = nvbios_dp_table(bios, &ver, &hdr, &cnt, &len)) && + if (nv_connector->type != DCB_CONNECTOR_eDP && + (data = nvbios_dp_table(bios, &ver, &hdr, &cnt, &len)) && ver >= 0x40 && (nvbios_rd08(bios, data + 0x08) & 0x04)) { ret = nv50_mstm_new(nv_encoder, &nv_connector->aux, 16, nv_connector->base.base.id, diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c index 5711b7a720e6..25b6a79dc385 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.c +++ b/drivers/gpu/drm/omapdrm/dss/dss.c @@ -1090,7 +1090,7 @@ static const struct dss_features omap34xx_dss_feats = {

static const struct dss_features omap3630_dss_feats = { .model = DSS_MODEL_OMAP3, - .fck_div_max = 32, + .fck_div_max = 31, .fck_freq_max = 173000000, .dss_fck_multiplier = 1, .parent_clk_name = "dpll4_ck", diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 15d7bebe1729..5cc0fbb04ab1 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -325,8 +325,39 @@ bool radeon_device_is_virtual(void); static int radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { + unsigned long flags = 0; int ret;

+ if (!ent) + return -ENODEV; /* Avoid NULL-ptr deref in drm_get_pci_dev */ + + flags = ent->driver_data; + + if (!radeon_si_support) { + switch (flags & RADEON_FAMILY_MASK) { + case CHIP_TAHITI: + case CHIP_PITCAIRN: + case CHIP_VERDE: + case CHIP_OLAND: + case CHIP_HAINAN: + dev_info(&pdev->dev, + "SI support disabled by module param\n"); + return -ENODEV; + } + } + if (!radeon_cik_support) { + switch (flags & RADEON_FAMILY_MASK) { + case CHIP_KAVERI: + case CHIP_BONAIRE: + case CHIP_HAWAII: + case CHIP_KABINI: + case CHIP_MULLINS: + dev_info(&pdev->dev, + "CIK support disabled by module param\n"); + return -ENODEV; + } + } + if (vga_switcheroo_client_probe_defer(pdev)) return -EPROBE_DEFER;

diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 07f7ace42c4b..e85c554eeaa9 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -100,31 +100,6 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) struct radeon_device *rdev; int r, acpi_status;

- if (!radeon_si_support) { - switch (flags & RADEON_FAMILY_MASK) { - case CHIP_TAHITI: - case CHIP_PITCAIRN: - case CHIP_VERDE: - case CHIP_OLAND: - case CHIP_HAINAN: - dev_info(dev->dev, - "SI support disabled by module param\n"); - return -ENODEV; - } - } - if (!radeon_cik_support) { - switch (flags & RADEON_FAMILY_MASK) { - case CHIP_KAVERI: - case CHIP_BONAIRE: - case CHIP_HAWAII: - case CHIP_KABINI: - case CHIP_MULLINS: - dev_info(dev->dev, - "CIK support disabled by module param\n"); - return -ENODEV; - } - } - rdev = kzalloc(sizeof(struct radeon_device), GFP_KERNEL); if (rdev == NULL) { return -ENOMEM; diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index 7bcac8896fc1..67928ff19c71 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -188,6 +188,13 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata) dev_err(etm_dev, "timeout while waiting for Idle Trace Status\n");

+ /* + * As recommended by section 4.3.7 ("Synchronization when using the + * memory-mapped interface") of ARM IHI 0064D + */ + dsb(sy); + isb(); + done: CS_LOCK(drvdata->base);

@@ -453,8 +460,12 @@ static void etm4_disable_hw(void *info) /* EN, bit[0] Trace unit enable bit */ control &= ~0x1;

- /* make sure everything completes before disabling */ - mb(); + /* + * Make sure everything completes before disabling, as recommended + * by section 7.3.77 ("TRCVICTLR, ViewInst Main Control Register, + * SSTATUS") of ARM IHI 0064D + */ + dsb(sy); isb(); writel_relaxed(control, drvdata->base + TRCPRGCTLR);

diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c index a89bfce5388e..17abf60c94ae 100644 --- a/drivers/i2c/busses/i2c-qcom-geni.c +++ b/drivers/i2c/busses/i2c-qcom-geni.c @@ -355,11 +355,13 @@ static int geni_i2c_rx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg, { dma_addr_t rx_dma; unsigned long time_left; - void *dma_buf; + void *dma_buf = NULL; struct geni_se *se = &gi2c->se; size_t len = msg->len;

- dma_buf = i2c_get_dma_safe_msg_buf(msg, 32); + if (!of_machine_is_compatible("lenovo,yoga-c630")) + dma_buf = i2c_get_dma_safe_msg_buf(msg, 32); + if (dma_buf) geni_se_select_mode(se, GENI_SE_DMA); else @@ -394,11 +396,13 @@ static int geni_i2c_tx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg, { dma_addr_t tx_dma; unsigned long time_left; - void *dma_buf; + void *dma_buf = NULL; struct geni_se *se = &gi2c->se; size_t len = msg->len;

- dma_buf = i2c_get_dma_safe_msg_buf(msg, 32); + if (!of_machine_is_compatible("lenovo,yoga-c630")) + dma_buf = i2c_get_dma_safe_msg_buf(msg, 32); + if (dma_buf) geni_se_select_mode(se, GENI_SE_DMA); else diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index e1259429ded2..3b1d7ae6f75e 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -1490,6 +1490,7 @@ static u64 *alloc_pte(struct protection_domain *domain, pte_level = PM_PTE_LEVEL(__pte);

if (!IOMMU_PTE_PRESENT(__pte) || + pte_level == PAGE_MODE_NONE || pte_level == PAGE_MODE_7_LEVEL) { page = (u64 *)get_zeroed_page(gfp); if (!page) @@ -1500,7 +1501,7 @@ static u64 *alloc_pte(struct protection_domain *domain, /* pte could have been changed somewhere. */ if (cmpxchg64(pte, __pte, __npte) != __pte) free_page((unsigned long)page); - else if (pte_level == PAGE_MODE_7_LEVEL) + else if (IOMMU_PTE_PRESENT(__pte)) domain->updated = true;

continue; diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index 4dd43b1adf2c..74de5e8c45c8 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -495,7 +495,12 @@ static int esdhc_of_enable_dma(struct sdhci_host *host) dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40));

value = sdhci_readl(host, ESDHC_DMA_SYSCTL); - value |= ESDHC_DMA_SNOOP; + + if (of_dma_is_coherent(dev->of_node)) + value |= ESDHC_DMA_SNOOP; + else + value &= ~ESDHC_DMA_SNOOP; + sdhci_writel(host, value, ESDHC_DMA_SYSCTL); return 0; } diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 02d8f524bb9e..7bc950520fd9 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -4,6 +4,7 @@ */

#include <linux/delay.h> +#include <linux/dma-mapping.h> #include <linux/err.h> #include <linux/module.h> #include <linux/init.h> @@ -104,6 +105,7 @@

struct sdhci_tegra_soc_data { const struct sdhci_pltfm_data *pdata; + u64 dma_mask; u32 nvquirks; u8 min_tap_delay; u8 max_tap_delay; @@ -1233,11 +1235,25 @@ static const struct cqhci_host_ops sdhci_tegra_cqhci_ops = { .update_dcmd_desc = sdhci_tegra_update_dcmd_desc, };

+static int tegra_sdhci_set_dma_mask(struct sdhci_host *host) +{ + struct sdhci_pltfm_host *platform = sdhci_priv(host); + struct sdhci_tegra *tegra = sdhci_pltfm_priv(platform); + const struct sdhci_tegra_soc_data *soc = tegra->soc_data; + struct device *dev = mmc_dev(host->mmc); + + if (soc->dma_mask) + return dma_set_mask_and_coherent(dev, soc->dma_mask); + + return 0; +} + static const struct sdhci_ops tegra_sdhci_ops = { .get_ro = tegra_sdhci_get_ro, .read_w = tegra_sdhci_readw, .write_l = tegra_sdhci_writel, .set_clock = tegra_sdhci_set_clock, + .set_dma_mask = tegra_sdhci_set_dma_mask, .set_bus_width = sdhci_set_bus_width, .reset = tegra_sdhci_reset, .platform_execute_tuning = tegra_sdhci_execute_tuning, @@ -1257,6 +1273,7 @@ static const struct sdhci_pltfm_data sdhci_tegra20_pdata = {

static const struct sdhci_tegra_soc_data soc_data_tegra20 = { .pdata = &sdhci_tegra20_pdata, + .dma_mask = DMA_BIT_MASK(32), .nvquirks = NVQUIRK_FORCE_SDHCI_SPEC_200 | NVQUIRK_ENABLE_BLOCK_GAP_DET, }; @@ -1283,6 +1300,7 @@ static const struct sdhci_pltfm_data sdhci_tegra30_pdata = {

static const struct sdhci_tegra_soc_data soc_data_tegra30 = { .pdata = &sdhci_tegra30_pdata, + .dma_mask = DMA_BIT_MASK(32), .nvquirks = NVQUIRK_ENABLE_SDHCI_SPEC_300 | NVQUIRK_ENABLE_SDR50 | NVQUIRK_ENABLE_SDR104 | @@ -1295,6 +1313,7 @@ static const struct sdhci_ops tegra114_sdhci_ops = { .write_w = tegra_sdhci_writew, .write_l = tegra_sdhci_writel, .set_clock = tegra_sdhci_set_clock, + .set_dma_mask = tegra_sdhci_set_dma_mask, .set_bus_width = sdhci_set_bus_width, .reset = tegra_sdhci_reset, .platform_execute_tuning = tegra_sdhci_execute_tuning, @@ -1316,6 +1335,7 @@ static const struct sdhci_pltfm_data sdhci_tegra114_pdata = {

static const struct sdhci_tegra_soc_data soc_data_tegra114 = { .pdata = &sdhci_tegra114_pdata, + .dma_mask = DMA_BIT_MASK(32), };

static const struct sdhci_pltfm_data sdhci_tegra124_pdata = { @@ -1325,22 +1345,13 @@ static const struct sdhci_pltfm_data sdhci_tegra124_pdata = { SDHCI_QUIRK_NO_HISPD_BIT | SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC | SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN, - .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | - /* - * The TRM states that the SD/MMC controller found on - * Tegra124 can address 34 bits (the maximum supported by - * the Tegra memory controller), but tests show that DMA - * to or from above 4 GiB doesn't work. This is possibly - * caused by missing programming, though it's not obvious - * what sequence is required. Mark 64-bit DMA broken for - * now to fix this for existing users (e.g. Nyan boards). - */ - SDHCI_QUIRK2_BROKEN_64_BIT_DMA, + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, .ops = &tegra114_sdhci_ops, };

static const struct sdhci_tegra_soc_data soc_data_tegra124 = { .pdata = &sdhci_tegra124_pdata, + .dma_mask = DMA_BIT_MASK(34), };

static const struct sdhci_ops tegra210_sdhci_ops = { @@ -1349,6 +1360,7 @@ static const struct sdhci_ops tegra210_sdhci_ops = { .write_w = tegra210_sdhci_writew, .write_l = tegra_sdhci_writel, .set_clock = tegra_sdhci_set_clock, + .set_dma_mask = tegra_sdhci_set_dma_mask, .set_bus_width = sdhci_set_bus_width, .reset = tegra_sdhci_reset, .set_uhs_signaling = tegra_sdhci_set_uhs_signaling, @@ -1369,6 +1381,7 @@ static const struct sdhci_pltfm_data sdhci_tegra210_pdata = {

static const struct sdhci_tegra_soc_data soc_data_tegra210 = { .pdata = &sdhci_tegra210_pdata, + .dma_mask = DMA_BIT_MASK(34), .nvquirks = NVQUIRK_NEEDS_PAD_CONTROL | NVQUIRK_HAS_PADCALIB | NVQUIRK_DIS_CARD_CLK_CONFIG_TAP | @@ -1383,6 +1396,7 @@ static const struct sdhci_ops tegra186_sdhci_ops = { .read_w = tegra_sdhci_readw, .write_l = tegra_sdhci_writel, .set_clock = tegra_sdhci_set_clock, + .set_dma_mask = tegra_sdhci_set_dma_mask, .set_bus_width = sdhci_set_bus_width, .reset = tegra_sdhci_reset, .set_uhs_signaling = tegra_sdhci_set_uhs_signaling, @@ -1398,20 +1412,13 @@ static const struct sdhci_pltfm_data sdhci_tegra186_pdata = { SDHCI_QUIRK_NO_HISPD_BIT | SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC | SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN, - .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | - /* SDHCI controllers on Tegra186 support 40-bit addressing. - * IOVA addresses are 48-bit wide on Tegra186. - * With 64-bit dma mask used for SDHCI, accesses can - * be broken. Disable 64-bit dma, which would fall back - * to 32-bit dma mask. Ideally 40-bit dma mask would work, - * But it is not supported as of now. - */ - SDHCI_QUIRK2_BROKEN_64_BIT_DMA, + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, .ops = &tegra186_sdhci_ops, };

static const struct sdhci_tegra_soc_data soc_data_tegra186 = { .pdata = &sdhci_tegra186_pdata, + .dma_mask = DMA_BIT_MASK(40), .nvquirks = NVQUIRK_NEEDS_PAD_CONTROL | NVQUIRK_HAS_PADCALIB | NVQUIRK_DIS_CARD_CLK_CONFIG_TAP | @@ -1424,6 +1431,7 @@ static const struct sdhci_tegra_soc_data soc_data_tegra186 = {

static const struct sdhci_tegra_soc_data soc_data_tegra194 = { .pdata = &sdhci_tegra186_pdata, + .dma_mask = DMA_BIT_MASK(39), .nvquirks = NVQUIRK_NEEDS_PAD_CONTROL | NVQUIRK_HAS_PADCALIB | NVQUIRK_DIS_CARD_CLK_CONFIG_TAP | diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index c66e66fbaeb4..e41ccb836538 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2857,6 +2857,7 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask, u32 *intmask_p) static void sdhci_adma_show_error(struct sdhci_host *host) { void *desc = host->adma_table; + dma_addr_t dma = host->adma_addr;

sdhci_dumpregs(host);

@@ -2864,18 +2865,21 @@ static void sdhci_adma_show_error(struct sdhci_host *host) struct sdhci_adma2_64_desc *dma_desc = desc;

if (host->flags & SDHCI_USE_64_BIT_DMA) - DBG("%p: DMA 0x%08x%08x, LEN 0x%04x, Attr=0x%02x\n", - desc, le32_to_cpu(dma_desc->addr_hi), + SDHCI_DUMP("%08llx: DMA 0x%08x%08x, LEN 0x%04x, Attr=0x%02x\n", + (unsigned long long)dma, + le32_to_cpu(dma_desc->addr_hi), le32_to_cpu(dma_desc->addr_lo), le16_to_cpu(dma_desc->len), le16_to_cpu(dma_desc->cmd)); else - DBG("%p: DMA 0x%08x, LEN 0x%04x, Attr=0x%02x\n", - desc, le32_to_cpu(dma_desc->addr_lo), + SDHCI_DUMP("%08llx: DMA 0x%08x, LEN 0x%04x, Attr=0x%02x\n", + (unsigned long long)dma, + le32_to_cpu(dma_desc->addr_lo), le16_to_cpu(dma_desc->len), le16_to_cpu(dma_desc->cmd));

desc += host->desc_sz; + dma += host->desc_sz;

if (dma_desc->cmd & cpu_to_le16(ADMA2_END)) break; @@ -2951,7 +2955,8 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) != MMC_BUS_TEST_R) host->data->error = -EILSEQ; else if (intmask & SDHCI_INT_ADMA_ERROR) { - pr_err("%s: ADMA error\n", mmc_hostname(host->mmc)); + pr_err("%s: ADMA error: 0x%08x\n", mmc_hostname(host->mmc), + intmask); sdhci_adma_show_error(host); host->data->error = -EIO; if (host->ops->adma_workaround) @@ -3758,18 +3763,14 @@ int sdhci_setup_host(struct sdhci_host *host) host->flags &= ~SDHCI_USE_ADMA; }

- /* - * It is assumed that a 64-bit capable device has set a 64-bit DMA mask - * and *must* do 64-bit DMA. A driver has the opportunity to change - * that during the first call to ->enable_dma(). Similarly - * SDHCI_QUIRK2_BROKEN_64_BIT_DMA must be left to the drivers to - * implement. - */ if (sdhci_can_64bit_dma(host)) host->flags |= SDHCI_USE_64_BIT_DMA;

if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { - ret = sdhci_set_dma_mask(host); + if (host->ops->set_dma_mask) + ret = host->ops->set_dma_mask(host); + else + ret = sdhci_set_dma_mask(host);

if (!ret && host->ops->enable_dma) ret = host->ops->enable_dma(host); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 902f855efe8f..8285498c0d8a 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -622,6 +622,7 @@ struct sdhci_ops {

u32 (*irq)(struct sdhci_host *host, u32 intmask);

+ int (*set_dma_mask)(struct sdhci_host *host); int (*enable_dma)(struct sdhci_host *host); unsigned int (*get_max_clock)(struct sdhci_host *host); unsigned int (*get_min_clock)(struct sdhci_host *host); diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index 12358f06d194..5d6f8977df3f 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -612,7 +612,7 @@ static int mcp251x_setup(struct net_device *net, struct spi_device *spi) static int mcp251x_hw_reset(struct spi_device *spi) { struct mcp251x_priv *priv = spi_get_drvdata(spi); - u8 reg; + unsigned long timeout; int ret;

/* Wait for oscillator startup timer after power up */ @@ -626,10 +626,19 @@ static int mcp251x_hw_reset(struct spi_device *spi) /* Wait for oscillator startup timer after reset */ mdelay(MCP251X_OST_DELAY_MS);

- reg = mcp251x_read_reg(spi, CANSTAT); - if ((reg & CANCTRL_REQOP_MASK) != CANCTRL_REQOP_CONF) - return -ENODEV; - + /* Wait for reset to finish */ + timeout = jiffies + HZ; + while ((mcp251x_read_reg(spi, CANSTAT) & CANCTRL_REQOP_MASK) != + CANCTRL_REQOP_CONF) { + usleep_range(MCP251X_OST_DELAY_MS * 1000, + MCP251X_OST_DELAY_MS * 1000 * 2); + + if (time_after(jiffies, timeout)) { + dev_err(&spi->dev, + "MCP251x didn't enter in conf mode after reset\n"); + return -EBUSY; + } + } return 0; }

diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index 72ec250b9540..823f544add0a 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -130,7 +130,7 @@ static inline void ksz_pwrite32(struct ksz_device *dev, int port, int offset, { \ .name = #width, \ .val_bits = (width), \ - .reg_stride = (width) / 8, \ + .reg_stride = 1, \ .reg_bits = (regbits) + (regalign), \ .pad_bits = (regpad), \ .max_register = BIT(regbits) - 1, \ diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c index 202e9a246019..7c13656a8338 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c @@ -21,6 +21,7 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp, struct netlink_ext_ack *extack) { const struct flow_action_entry *act; + int mirror_act_count = 0; int err, i;

if (!flow_action_has_entries(flow_action)) @@ -95,6 +96,11 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp, case FLOW_ACTION_MIRRED: { struct net_device *out_dev = act->dev;

+ if (mirror_act_count++) { + NL_SET_ERR_MSG_MOD(extack, "Multiple mirror actions per rule are not supported"); + return -EOPNOTSUPP; + } + err = mlxsw_sp_acl_rulei_act_mirror(mlxsw_sp, rulei, block, out_dev, extack); diff --git a/drivers/net/ethernet/netronome/nfp/abm/cls.c b/drivers/net/ethernet/netronome/nfp/abm/cls.c index 23ebddfb9532..9f8a1f69c0c4 100644 --- a/drivers/net/ethernet/netronome/nfp/abm/cls.c +++ b/drivers/net/ethernet/netronome/nfp/abm/cls.c @@ -176,8 +176,10 @@ nfp_abm_u32_knode_replace(struct nfp_abm_link *alink, u8 mask, val; int err;

- if (!nfp_abm_u32_check_knode(alink->abm, knode, proto, extack)) + if (!nfp_abm_u32_check_knode(alink->abm, knode, proto, extack)) { + err = -EOPNOTSUPP; goto err_delete; + }

tos_off = proto == htons(ETH_P_IP) ? 16 : 20;

@@ -198,14 +200,18 @@ nfp_abm_u32_knode_replace(struct nfp_abm_link *alink, if ((iter->val & cmask) == (val & cmask) && iter->band != knode->res->classid) { NL_SET_ERR_MSG_MOD(extack, "conflict with already offloaded filter"); + err = -EOPNOTSUPP; goto err_delete; } }

if (!match) { match = kzalloc(sizeof(*match), GFP_KERNEL); - if (!match) - return -ENOMEM; + if (!match) { + err = -ENOMEM; + goto err_delete; + } + list_add(&match->list, &alink->dscp_map); } match->handle = knode->handle; @@ -221,7 +227,7 @@ nfp_abm_u32_knode_replace(struct nfp_abm_link *alink,

err_delete: nfp_abm_u32_knode_delete(alink, knode); - return -EOPNOTSUPP; + return err; }

static int nfp_abm_setup_tc_block_cb(enum tc_setup_type type, diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c index ceddb424f887..0dd0ba915ab9 100644 --- a/drivers/net/ieee802154/atusb.c +++ b/drivers/net/ieee802154/atusb.c @@ -1137,10 +1137,11 @@ static void atusb_disconnect(struct usb_interface *interface)

ieee802154_unregister_hw(atusb->hw);

+ usb_put_dev(atusb->usb_dev); + ieee802154_free_hw(atusb->hw);

usb_set_intfdata(interface, NULL); - usb_put_dev(atusb->usb_dev);

pr_debug("%s done\n", __func__); } diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index d028331558ea..e9b7c2dfc730 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -1378,7 +1378,7 @@ static int perf_setup_peer_mw(struct perf_peer *peer) int ret;

/* Get outbound MW parameters and map it */ - ret = ntb_peer_mw_get_addr(perf->ntb, peer->gidx, &phys_addr, + ret = ntb_peer_mw_get_addr(perf->ntb, perf->gidx, &phys_addr, &peer->outbuf_size); if (ret) return ret; diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index a8d56887ec88..3e9f45aec8d1 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -392,9 +392,9 @@ static int btt_flog_write(struct arena_info *arena, u32 lane, u32 sub, arena->freelist[lane].sub = 1 - arena->freelist[lane].sub; if (++(arena->freelist[lane].seq) == 4) arena->freelist[lane].seq = 1; - if (ent_e_flag(ent->old_map)) + if (ent_e_flag(le32_to_cpu(ent->old_map))) arena->freelist[lane].has_err = 1; - arena->freelist[lane].block = le32_to_cpu(ent_lba(ent->old_map)); + arena->freelist[lane].block = ent_lba(le32_to_cpu(ent->old_map));

return ret; } @@ -560,8 +560,8 @@ static int btt_freelist_init(struct arena_info *arena) * FIXME: if error clearing fails during init, we want to make * the BTT read-only */ - if (ent_e_flag(log_new.old_map) && - !ent_normal(log_new.old_map)) { + if (ent_e_flag(le32_to_cpu(log_new.old_map)) && + !ent_normal(le32_to_cpu(log_new.old_map))) { arena->freelist[i].has_err = 1; ret = arena_clear_freelist_error(arena, i); if (ret) diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index 798c5c4aea9c..bb3f20ebc276 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -182,7 +182,7 @@ static int nvdimm_clear_badblocks_region(struct device *dev, void *data) sector_t sector;

/* make sure device is a region */ - if (!is_nd_pmem(dev)) + if (!is_memory(dev)) return 0;

nd_region = to_nd_region(dev); diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index a16e52251a30..102c9d5141ee 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -1987,7 +1987,7 @@ static struct device *create_namespace_pmem(struct nd_region *nd_region, nd_mapping = &nd_region->mapping[i]; label_ent = list_first_entry_or_null(&nd_mapping->labels, typeof(*label_ent), list); - label0 = label_ent ? label_ent->label : 0; + label0 = label_ent ? label_ent->label : NULL;

if (!label0) { WARN_ON(1); @@ -2322,8 +2322,9 @@ static struct device **scan_labels(struct nd_region *nd_region) continue;

/* skip labels that describe extents outside of the region */ - if (nd_label->dpa < nd_mapping->start || nd_label->dpa > map_end) - continue; + if (__le64_to_cpu(nd_label->dpa) < nd_mapping->start || + __le64_to_cpu(nd_label->dpa) > map_end) + continue;

i = add_namespace_resource(nd_region, nd_label, devs, count); if (i < 0) diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c index cb98b8fe786e..b0f7832bae72 100644 --- a/drivers/nvdimm/pfn_devs.c +++ b/drivers/nvdimm/pfn_devs.c @@ -618,9 +618,11 @@ static int __nvdimm_setup_pfn(struct nd_pfn *nd_pfn, struct dev_pagemap *pgmap) struct nd_namespace_common *ndns = nd_pfn->ndns; struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev); resource_size_t base = nsio->res.start + start_pad; + resource_size_t end = nsio->res.end - end_trunc; struct vmem_altmap __altmap = { .base_pfn = init_altmap_base(base), .reserve = init_altmap_reserve(base), + .end_pfn = PHYS_PFN(end), };

memcpy(res, &nsio->res, sizeof(*res)); diff --git a/drivers/nvdimm/region.c b/drivers/nvdimm/region.c index 37bf8719a2a4..0f6978e72e7c 100644 --- a/drivers/nvdimm/region.c +++ b/drivers/nvdimm/region.c @@ -34,7 +34,7 @@ static int nd_region_probe(struct device *dev) if (rc) return rc;

- if (is_nd_pmem(&nd_region->dev)) { + if (is_memory(&nd_region->dev)) { struct resource ndr_res;

if (devm_init_badblocks(dev, &nd_region->bb)) @@ -123,7 +123,7 @@ static void nd_region_notify(struct device *dev, enum nvdimm_event event) struct nd_region *nd_region = to_nd_region(dev); struct resource res;

- if (is_nd_pmem(&nd_region->dev)) { + if (is_memory(&nd_region->dev)) { res.start = nd_region->ndr_start; res.end = nd_region->ndr_start + nd_region->ndr_size - 1; diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index af30cbe7a8ea..47b48800fb75 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -632,11 +632,11 @@ static umode_t region_visible(struct kobject *kobj, struct attribute *a, int n) if (!is_memory(dev) && a == &dev_attr_dax_seed.attr) return 0;

- if (!is_nd_pmem(dev) && a == &dev_attr_badblocks.attr) + if (!is_memory(dev) && a == &dev_attr_badblocks.attr) return 0;

if (a == &dev_attr_resource.attr) { - if (is_nd_pmem(dev)) + if (is_memory(dev)) return 0400; else return 0; diff --git a/drivers/nvdimm/security.c b/drivers/nvdimm/security.c index a570f2263a42..5b7ea93edb93 100644 --- a/drivers/nvdimm/security.c +++ b/drivers/nvdimm/security.c @@ -177,6 +177,10 @@ static int __nvdimm_security_unlock(struct nvdimm *nvdimm) || nvdimm->sec.state < 0) return -EIO;

+ /* No need to go further if security is disabled */ + if (nvdimm->sec.state == NVDIMM_SECURITY_DISABLED) + return 0; + if (test_bit(NDD_SECURITY_OVERWRITE, &nvdimm->flags)) { dev_dbg(dev, "Security operation in progress.\n"); return -EBUSY; diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 40b625458afa..2b53976cd9f9 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -2701,8 +2701,8 @@ static int hv_pci_remove(struct hv_device *hdev) /* Remove the bus from PCI's point of view. */ pci_lock_rescan_remove(); pci_stop_root_bus(hbus->pci_bus); - pci_remove_root_bus(hbus->pci_bus); hv_pci_remove_slots(hbus); + pci_remove_root_bus(hbus->pci_bus); pci_unlock_rescan_remove(); hbus->state = hv_pcibus_removed; } diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c index 4575e0c6dc4b..a35d3f3996d7 100644 --- a/drivers/pci/controller/vmd.c +++ b/drivers/pci/controller/vmd.c @@ -31,6 +31,9 @@ #define PCI_REG_VMLOCK 0x70 #define MB2_SHADOW_EN(vmlock) (vmlock & 0x2)

+#define MB2_SHADOW_OFFSET 0x2000 +#define MB2_SHADOW_SIZE 16 + enum vmd_features { /* * Device may contain registers which hint the physical location of the @@ -94,6 +97,7 @@ struct vmd_dev { struct resource resources[3]; struct irq_domain *irq_domain; struct pci_bus *bus; + u8 busn_start;

struct dma_map_ops dma_ops; struct dma_domain dma_domain; @@ -440,7 +444,8 @@ static char __iomem *vmd_cfg_addr(struct vmd_dev *vmd, struct pci_bus *bus, unsigned int devfn, int reg, int len) { char __iomem *addr = vmd->cfgbar + - (bus->number << 20) + (devfn << 12) + reg; + ((bus->number - vmd->busn_start) << 20) + + (devfn << 12) + reg;

if ((addr - vmd->cfgbar) + len >= resource_size(&vmd->dev->resource[VMD_CFGBAR])) @@ -563,7 +568,7 @@ static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features) unsigned long flags; LIST_HEAD(resources); resource_size_t offset[2] = {0}; - resource_size_t membar2_offset = 0x2000, busn_start = 0; + resource_size_t membar2_offset = 0x2000; struct pci_bus *child;

/* @@ -576,7 +581,7 @@ static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features) u32 vmlock; int ret;

- membar2_offset = 0x2018; + membar2_offset = MB2_SHADOW_OFFSET + MB2_SHADOW_SIZE; ret = pci_read_config_dword(vmd->dev, PCI_REG_VMLOCK, &vmlock); if (ret || vmlock == ~0) return -ENODEV; @@ -588,9 +593,9 @@ static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features) if (!membar2) return -ENOMEM; offset[0] = vmd->dev->resource[VMD_MEMBAR1].start - - readq(membar2 + 0x2008); + readq(membar2 + MB2_SHADOW_OFFSET); offset[1] = vmd->dev->resource[VMD_MEMBAR2].start - - readq(membar2 + 0x2010); + readq(membar2 + MB2_SHADOW_OFFSET + 8); pci_iounmap(vmd->dev, membar2); } } @@ -606,14 +611,14 @@ static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features) pci_read_config_dword(vmd->dev, PCI_REG_VMCONFIG, &vmconfig); if (BUS_RESTRICT_CAP(vmcap) && (BUS_RESTRICT_CFG(vmconfig) == 0x1)) - busn_start = 128; + vmd->busn_start = 128; }

res = &vmd->dev->resource[VMD_CFGBAR]; vmd->resources[0] = (struct resource) { .name = "VMD CFGBAR", - .start = busn_start, - .end = busn_start + (resource_size(res) >> 20) - 1, + .start = vmd->busn_start, + .end = vmd->busn_start + (resource_size(res) >> 20) - 1, .flags = IORESOURCE_BUS | IORESOURCE_PCI_FIXED, };

@@ -681,8 +686,8 @@ static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features) pci_add_resource_offset(&resources, &vmd->resources[1], offset[0]); pci_add_resource_offset(&resources, &vmd->resources[2], offset[1]);

- vmd->bus = pci_create_root_bus(&vmd->dev->dev, busn_start, &vmd_ops, - sd, &resources); + vmd->bus = pci_create_root_bus(&vmd->dev->dev, vmd->busn_start, + &vmd_ops, sd, &resources); if (!vmd->bus) { pci_free_resource_list(&resources); irq_domain_remove(vmd->irq_domain); diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 1f17da3dfeac..b97d9e10c9cc 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1443,7 +1443,7 @@ static void pci_restore_rebar_state(struct pci_dev *pdev) pci_read_config_dword(pdev, pos + PCI_REBAR_CTRL, &ctrl); bar_idx = ctrl & PCI_REBAR_CTRL_BAR_IDX; res = pdev->resource + bar_idx; - size = order_base_2((resource_size(res) >> 20) | 1) - 1; + size = ilog2(resource_size(res)) - 20; ctrl &= ~PCI_REBAR_CTRL_BAR_SIZE; ctrl |= size << PCI_REBAR_CTRL_BAR_SHIFT; pci_write_config_dword(pdev, pos + PCI_REBAR_CTRL, ctrl); diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c index 048d205d7074..f8d74e9f7931 100644 --- a/drivers/power/supply/sbs-battery.c +++ b/drivers/power/supply/sbs-battery.c @@ -314,17 +314,22 @@ static int sbs_get_battery_presence_and_health( { int ret;

- if (psp == POWER_SUPPLY_PROP_PRESENT) { - /* Dummy command; if it succeeds, battery is present. */ - ret = sbs_read_word_data(client, sbs_data[REG_STATUS].addr); - if (ret < 0) - val->intval = 0; /* battery disconnected */ - else - val->intval = 1; /* battery present */ - } else { /* POWER_SUPPLY_PROP_HEALTH */ + /* Dummy command; if it succeeds, battery is present. */ + ret = sbs_read_word_data(client, sbs_data[REG_STATUS].addr); + + if (ret < 0) { /* battery not present*/ + if (psp == POWER_SUPPLY_PROP_PRESENT) { + val->intval = 0; + return 0; + } + return ret; + } + + if (psp == POWER_SUPPLY_PROP_PRESENT) + val->intval = 1; /* battery present */ + else /* POWER_SUPPLY_PROP_HEALTH */ /* SBS spec doesn't have a general health command. */ val->intval = POWER_SUPPLY_HEALTH_UNKNOWN; - }

return 0; } @@ -620,12 +625,14 @@ static int sbs_get_property(struct power_supply *psy, switch (psp) { case POWER_SUPPLY_PROP_PRESENT: case POWER_SUPPLY_PROP_HEALTH: - if (client->flags & SBS_FLAGS_TI_BQ20Z75) + if (chip->flags & SBS_FLAGS_TI_BQ20Z75) ret = sbs_get_ti_battery_presence_and_health(client, psp, val); else ret = sbs_get_battery_presence_and_health(client, psp, val); + + /* this can only be true if no gpio is used */ if (psp == POWER_SUPPLY_PROP_PRESENT) return 0; break; diff --git a/drivers/pwm/pwm-stm32-lp.c b/drivers/pwm/pwm-stm32-lp.c index 2211a642066d..97a9afa191ee 100644 --- a/drivers/pwm/pwm-stm32-lp.c +++ b/drivers/pwm/pwm-stm32-lp.c @@ -59,6 +59,12 @@ static int stm32_pwm_lp_apply(struct pwm_chip *chip, struct pwm_device *pwm, /* Calculate the period and prescaler value */ div = (unsigned long long)clk_get_rate(priv->clk) * state->period; do_div(div, NSEC_PER_SEC); + if (!div) { + /* Clock is too slow to achieve requested period. */ + dev_dbg(priv->chip.dev, "Can't reach %u ns\n", state->period); + return -EINVAL; + } + prd = div; while (div > STM32_LPTIM_MAX_ARR) { presc++; diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index fc53e1e221f0..c94184d080f8 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1553,8 +1553,8 @@ static int dasd_eckd_read_vol_info(struct dasd_device *device) if (rc == 0) { memcpy(&private->vsq, vsq, sizeof(*vsq)); } else { - dev_warn(&device->cdev->dev, - "Reading the volume storage information failed with rc=%d\n", rc); + DBF_EVENT_DEVID(DBF_WARNING, device->cdev, + "Reading the volume storage information failed with rc=%d", rc); }

if (useglobal) @@ -1737,8 +1737,8 @@ static int dasd_eckd_read_ext_pool_info(struct dasd_device *device) if (rc == 0) { dasd_eckd_cpy_ext_pool_data(device, lcq); } else { - dev_warn(&device->cdev->dev, - "Reading the logical configuration failed with rc=%d\n", rc); + DBF_EVENT_DEVID(DBF_WARNING, device->cdev, + "Reading the logical configuration failed with rc=%d", rc); }

dasd_sfree_request(cqr, cqr->memdev); @@ -2020,14 +2020,10 @@ dasd_eckd_check_characteristics(struct dasd_device *device) dasd_eckd_read_features(device);

/* Read Volume Information */ - rc = dasd_eckd_read_vol_info(device); - if (rc) - goto out_err3; + dasd_eckd_read_vol_info(device);

/* Read Extent Pool Information */ - rc = dasd_eckd_read_ext_pool_info(device); - if (rc) - goto out_err3; + dasd_eckd_read_ext_pool_info(device);

/* Read Device Characteristics */ rc = dasd_generic_read_dev_chars(device, DASD_ECKD_MAGIC, @@ -2059,9 +2055,6 @@ dasd_eckd_check_characteristics(struct dasd_device *device) if (readonly) set_bit(DASD_FLAG_DEVICE_RO, &device->flags);

- if (dasd_eckd_is_ese(device)) - dasd_set_feature(device->cdev, DASD_FEATURE_DISCARD, 1); - dev_info(&device->cdev->dev, "New DASD %04X/%02X (CU %04X/%02X) " "with %d cylinders, %d heads, %d sectors%s\n", private->rdc_data.dev_type, @@ -3695,14 +3688,6 @@ static int dasd_eckd_release_space(struct dasd_device *device, return -EINVAL; }

-static struct dasd_ccw_req * -dasd_eckd_build_cp_discard(struct dasd_device *device, struct dasd_block *block, - struct request *req, sector_t first_trk, - sector_t last_trk) -{ - return dasd_eckd_dso_ras(device, block, req, first_trk, last_trk, 1); -} - static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single( struct dasd_device *startdev, struct dasd_block *block, @@ -4447,10 +4432,6 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev, cmdwtd = private->features.feature[12] & 0x40; use_prefix = private->features.feature[8] & 0x01;

- if (req_op(req) == REQ_OP_DISCARD) - return dasd_eckd_build_cp_discard(startdev, block, req, - first_trk, last_trk); - cqr = NULL; if (cdlspecial || dasd_page_cache) { /* do nothing, just fall through to the cmd mode single case */ @@ -4729,14 +4710,12 @@ static struct dasd_ccw_req *dasd_eckd_build_alias_cp(struct dasd_device *base, struct dasd_block *block, struct request *req) { - struct dasd_device *startdev = NULL; struct dasd_eckd_private *private; - struct dasd_ccw_req *cqr; + struct dasd_device *startdev; unsigned long flags; + struct dasd_ccw_req *cqr;

- /* Discard requests can only be processed on base devices */ - if (req_op(req) != REQ_OP_DISCARD) - startdev = dasd_alias_get_start_dev(base); + startdev = dasd_alias_get_start_dev(base); if (!startdev) startdev = base; private = startdev->private; @@ -5663,14 +5642,10 @@ static int dasd_eckd_restore_device(struct dasd_device *device) dasd_eckd_read_features(device);

/* Read Volume Information */ - rc = dasd_eckd_read_vol_info(device); - if (rc) - goto out_err2; + dasd_eckd_read_vol_info(device);

/* Read Extent Pool Information */ - rc = dasd_eckd_read_ext_pool_info(device); - if (rc) - goto out_err2; + dasd_eckd_read_ext_pool_info(device);

/* Read Device Characteristics */ rc = dasd_generic_read_dev_chars(device, DASD_ECKD_MAGIC, @@ -6521,20 +6496,8 @@ static void dasd_eckd_setup_blk_queue(struct dasd_block *block) unsigned int logical_block_size = block->bp_block; struct request_queue *q = block->request_queue; struct dasd_device *device = block->base; - struct dasd_eckd_private *private; - unsigned int max_discard_sectors; - unsigned int max_bytes; - unsigned int ext_bytes; /* Extent Size in Bytes */ - int recs_per_trk; - int trks_per_cyl; - int ext_limit; - int ext_size; /* Extent Size in Cylinders */ int max;

- private = device->private; - trks_per_cyl = private->rdc_data.trk_per_cyl; - recs_per_trk = recs_per_track(&private->rdc_data, 0, logical_block_size); - if (device->features & DASD_FEATURE_USERAW) { /* * the max_blocks value for raw_track access is 256 @@ -6555,28 +6518,6 @@ static void dasd_eckd_setup_blk_queue(struct dasd_block *block) /* With page sized segments each segment can be translated into one idaw/tidaw */ blk_queue_max_segment_size(q, PAGE_SIZE); blk_queue_segment_boundary(q, PAGE_SIZE - 1); - - if (dasd_eckd_is_ese(device)) { - /* - * Depending on the extent size, up to UINT_MAX bytes can be - * accepted. However, neither DASD_ECKD_RAS_EXTS_MAX nor the - * device limits should be exceeded. - */ - ext_size = dasd_eckd_ext_size(device); - ext_limit = min(private->real_cyl / ext_size, DASD_ECKD_RAS_EXTS_MAX); - ext_bytes = ext_size * trks_per_cyl * recs_per_trk * - logical_block_size; - max_bytes = UINT_MAX - (UINT_MAX % ext_bytes); - if (max_bytes / ext_bytes > ext_limit) - max_bytes = ext_bytes * ext_limit; - - max_discard_sectors = max_bytes / 512; - - blk_queue_max_discard_sectors(q, max_discard_sectors); - blk_queue_flag_set(QUEUE_FLAG_DISCARD, q); - q->limits.discard_granularity = ext_bytes; - q->limits.discard_alignment = ext_bytes; - } }

static struct ccw_driver dasd_eckd_driver = { diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c index e71992a3c55f..cc5e84b80c69 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -40,7 +40,7 @@ static void __init sclp_early_facilities_detect(struct read_info_sccb *sccb) sclp.has_gisaf = !!(sccb->fac118 & 0x08); sclp.has_hvs = !!(sccb->fac119 & 0x80); sclp.has_kss = !!(sccb->fac98 & 0x01); - sclp.has_sipl = !!(sccb->cbl & 0x02); + sclp.has_sipl = !!(sccb->cbl & 0x4000); if (sccb->fac85 & 0x02) S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP; if (sccb->fac91 & 0x40) diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index c522e9313c50..ae66875a934d 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -372,7 +372,7 @@ int ccwgroup_create_dev(struct device *parent, struct ccwgroup_driver *gdrv, goto error; } /* Check for trailing stuff. */ - if (i == num_devices && strlen(buf) > 0) { + if (i == num_devices && buf && strlen(buf) > 0) { rc = -EINVAL; goto error; } diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 22c55816100b..1fbfb0a93f5f 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -1388,6 +1388,8 @@ device_initcall(cio_settle_init);

int sch_is_pseudo_sch(struct subchannel *sch) { + if (!sch->dev.parent) + return 0; return sch == to_css(sch->dev.parent)->pseudo_subchannel; }

diff --git a/drivers/staging/erofs/dir.c b/drivers/staging/erofs/dir.c index dbf6a151886c..b11cecd0a21d 100644 --- a/drivers/staging/erofs/dir.c +++ b/drivers/staging/erofs/dir.c @@ -99,8 +99,15 @@ static int erofs_readdir(struct file *f, struct dir_context *ctx) unsigned int nameoff, maxsize;

dentry_page = read_mapping_page(mapping, i, NULL); - if (IS_ERR(dentry_page)) - continue; + if (dentry_page == ERR_PTR(-ENOMEM)) { + err = -ENOMEM; + break; + } else if (IS_ERR(dentry_page)) { + errln("fail to readdir of logical block %u of nid %llu", + i, EROFS_V(dir)->nid); + err = PTR_ERR(dentry_page); + break; + }

de = (struct erofs_dirent *)kmap(dentry_page);

diff --git a/drivers/staging/erofs/unzip_vle.c b/drivers/staging/erofs/unzip_vle.c index f0dab81ff816..155cee68fed5 100644 --- a/drivers/staging/erofs/unzip_vle.c +++ b/drivers/staging/erofs/unzip_vle.c @@ -393,7 +393,11 @@ z_erofs_vle_work_lookup(const struct z_erofs_vle_work_finder *f) /* if multiref is disabled, `primary' is always true */ primary = true;

- DBG_BUGON(work->pageofs != f->pageofs); + if (work->pageofs != f->pageofs) { + DBG_BUGON(1); + erofs_workgroup_put(egrp); + return ERR_PTR(-EIO); + }

/* * lock must be taken first to avoid grp->next == NIL between @@ -939,6 +943,7 @@ static int z_erofs_vle_unzip(struct super_block *sb, for (i = 0; i < nr_pages; ++i) pages[i] = NULL;

+ err = 0; z_erofs_pagevec_ctor_init(&ctor, Z_EROFS_NR_INLINE_PAGEVECS, work->pagevec, 0);

@@ -960,8 +965,17 @@ static int z_erofs_vle_unzip(struct super_block *sb, pagenr = z_erofs_onlinepage_index(page);

DBG_BUGON(pagenr >= nr_pages); - DBG_BUGON(pages[pagenr]);

+ /* + * currently EROFS doesn't support multiref(dedup), + * so here erroring out one multiref page. + */ + if (pages[pagenr]) { + DBG_BUGON(1); + SetPageError(pages[pagenr]); + z_erofs_onlinepage_endio(pages[pagenr]); + err = -EIO; + } pages[pagenr] = page; } sparsemem_pages = i; @@ -971,7 +985,6 @@ static int z_erofs_vle_unzip(struct super_block *sb, overlapped = false; compressed_pages = grp->compressed_pages;

- err = 0; for (i = 0; i < clusterpages; ++i) { unsigned int pagenr;

@@ -995,7 +1008,12 @@ static int z_erofs_vle_unzip(struct super_block *sb, pagenr = z_erofs_onlinepage_index(page);

DBG_BUGON(pagenr >= nr_pages); - DBG_BUGON(pages[pagenr]); + if (pages[pagenr]) { + DBG_BUGON(1); + SetPageError(pages[pagenr]); + z_erofs_onlinepage_endio(pages[pagenr]); + err = -EIO; + } ++sparsemem_pages; pages[pagenr] = page;

@@ -1498,19 +1516,18 @@ static int z_erofs_vle_normalaccess_readpage(struct file *file, err = z_erofs_do_read_page(&f, page, &pagepool); (void)z_erofs_vle_work_iter_end(&f.builder);

- if (err) { + /* if some compressed cluster ready, need submit them anyway */ + z_erofs_submit_and_unzip(&f, &pagepool, true); + + if (err) errln("%s, failed to read, err [%d]", __func__, err); - goto out; - }

- z_erofs_submit_and_unzip(&f, &pagepool, true); -out: if (f.map.mpage) put_page(f.map.mpage);

/* clean up the remaining free pages */ put_pages_list(&pagepool); - return 0; + return err; }

static int z_erofs_vle_normalaccess_readpages(struct file *filp, diff --git a/drivers/staging/erofs/zmap.c b/drivers/staging/erofs/zmap.c index c2359321ca13..30e6d02d30de 100644 --- a/drivers/staging/erofs/zmap.c +++ b/drivers/staging/erofs/zmap.c @@ -350,6 +350,12 @@ static int vle_extent_lookback(struct z_erofs_maprecorder *m,

switch (m->type) { case Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD: + if (!m->delta[0]) { + errln("invalid lookback distance 0 at nid %llu", + vi->nid); + DBG_BUGON(1); + return -EIO; + } return vle_extent_lookback(m, m->delta[0]); case Z_EROFS_VLE_CLUSTER_TYPE_PLAIN: map->m_flags &= ~EROFS_MAP_ZIPPED; diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c index 8d9b721dadb6..e46a4e3f25c4 100644 --- a/drivers/thermal/qcom/tsens-8960.c +++ b/drivers/thermal/qcom/tsens-8960.c @@ -229,6 +229,8 @@ static int calibrate_8960(struct tsens_priv *priv) for (i = 0; i < num_read; i++, s++) s->offset = data[i];

+ kfree(data); + return 0; }

diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c index 6f26fadf4c27..055647bcee67 100644 --- a/drivers/thermal/qcom/tsens-v0_1.c +++ b/drivers/thermal/qcom/tsens-v0_1.c @@ -145,8 +145,10 @@ static int calibrate_8916(struct tsens_priv *priv) return PTR_ERR(qfprom_cdata);

qfprom_csel = (u32 *)qfprom_read(priv->dev, "calib_sel"); - if (IS_ERR(qfprom_csel)) + if (IS_ERR(qfprom_csel)) { + kfree(qfprom_cdata); return PTR_ERR(qfprom_csel); + }

mode = (qfprom_csel[0] & MSM8916_CAL_SEL_MASK) >> MSM8916_CAL_SEL_SHIFT; dev_dbg(priv->dev, "calibration mode is %d\n", mode); @@ -181,6 +183,8 @@ static int calibrate_8916(struct tsens_priv *priv) }

compute_intercept_slope(priv, p1, p2, mode); + kfree(qfprom_cdata); + kfree(qfprom_csel);

return 0; } @@ -198,8 +202,10 @@ static int calibrate_8974(struct tsens_priv *priv) return PTR_ERR(calib);

bkp = (u32 *)qfprom_read(priv->dev, "calib_backup"); - if (IS_ERR(bkp)) + if (IS_ERR(bkp)) { + kfree(calib); return PTR_ERR(bkp); + }

calib_redun_sel = bkp[1] & BKP_REDUN_SEL; calib_redun_sel >>= BKP_REDUN_SHIFT; @@ -313,6 +319,8 @@ static int calibrate_8974(struct tsens_priv *priv) }

compute_intercept_slope(priv, p1, p2, mode); + kfree(calib); + kfree(bkp);

return 0; } diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c index 10b595d4f619..870f502f2cb6 100644 --- a/drivers/thermal/qcom/tsens-v1.c +++ b/drivers/thermal/qcom/tsens-v1.c @@ -138,6 +138,7 @@ static int calibrate_v1(struct tsens_priv *priv) }

compute_intercept_slope(priv, p1, p2, mode); + kfree(qfprom_cdata);

return 0; } diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index 2fd94997245b..b89083b61c38 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -17,6 +17,7 @@

#include <linux/thermal.h> #include <linux/regmap.h> +#include <linux/slab.h>

struct tsens_priv;

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 6bab66e84eb5..ebe15f2cf7fc 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -304,7 +304,7 @@ static void thermal_zone_device_set_polling(struct thermal_zone_device *tz, &tz->poll_queue, msecs_to_jiffies(delay)); else - cancel_delayed_work(&tz->poll_queue); + cancel_delayed_work_sync(&tz->poll_queue); }

static void monitor_thermal_zone(struct thermal_zone_device *tz) diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c index 40c69a533b24..dd5d8ee37928 100644 --- a/drivers/thermal/thermal_hwmon.c +++ b/drivers/thermal/thermal_hwmon.c @@ -87,13 +87,17 @@ static struct thermal_hwmon_device * thermal_hwmon_lookup_by_type(const struct thermal_zone_device *tz) { struct thermal_hwmon_device *hwmon; + char type[THERMAL_NAME_LENGTH];

mutex_lock(&thermal_hwmon_list_lock); - list_for_each_entry(hwmon, &thermal_hwmon_list, node) - if (!strcmp(hwmon->type, tz->type)) { + list_for_each_entry(hwmon, &thermal_hwmon_list, node) { + strcpy(type, tz->type); + strreplace(type, '-', '_'); + if (!strcmp(hwmon->type, type)) { mutex_unlock(&thermal_hwmon_list_lock); return hwmon; } + } mutex_unlock(&thermal_hwmon_list_lock);

return NULL; diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c index cc71861e033a..5b64bc2e8788 100644 --- a/drivers/watchdog/aspeed_wdt.c +++ b/drivers/watchdog/aspeed_wdt.c @@ -34,6 +34,7 @@ static const struct aspeed_wdt_config ast2500_config = { static const struct of_device_id aspeed_wdt_of_table[] = { { .compatible = "aspeed,ast2400-wdt", .data = &ast2400_config }, { .compatible = "aspeed,ast2500-wdt", .data = &ast2500_config }, + { .compatible = "aspeed,ast2600-wdt", .data = &ast2500_config }, { }, }; MODULE_DEVICE_TABLE(of, aspeed_wdt_of_table); @@ -259,7 +260,8 @@ static int aspeed_wdt_probe(struct platform_device *pdev) set_bit(WDOG_HW_RUNNING, &wdt->wdd.status); }

- if (of_device_is_compatible(np, "aspeed,ast2500-wdt")) { + if ((of_device_is_compatible(np, "aspeed,ast2500-wdt")) || + (of_device_is_compatible(np, "aspeed,ast2600-wdt"))) { u32 reg = readl(wdt->base + WDT_RESET_WIDTH);

reg &= config->ext_pulse_width_mask; diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c index 32af3974e6bb..8d019a961ccc 100644 --- a/drivers/watchdog/imx2_wdt.c +++ b/drivers/watchdog/imx2_wdt.c @@ -55,7 +55,7 @@

#define IMX2_WDT_WMCR 0x08 /* Misc Register */

-#define IMX2_WDT_MAX_TIME 128 +#define IMX2_WDT_MAX_TIME 128U #define IMX2_WDT_DEFAULT_TIME 60 /* in seconds */

#define WDOG_SEC_TO_COUNT(s) ((s * 2 - 1) << 8) @@ -180,7 +180,7 @@ static int imx2_wdt_set_timeout(struct watchdog_device *wdog, { unsigned int actual;

- actual = min(new_timeout, wdog->max_hw_heartbeat_ms * 1000); + actual = min(new_timeout, IMX2_WDT_MAX_TIME); __imx2_wdt_set_timeout(wdog, actual); wdog->timeout = new_timeout; return 0; diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 4e11de6cde81..91cba70b69df 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -688,6 +688,7 @@ static void __init balloon_add_region(unsigned long start_pfn, /* totalram_pages and totalhigh_pages do not include the boot-time balloon extension, so don't subtract from it. */ + __SetPageOffline(page); __balloon_append(page); }

diff --git a/drivers/xen/pci.c b/drivers/xen/pci.c index 3eeb9bea7630..224df03ce42e 100644 --- a/drivers/xen/pci.c +++ b/drivers/xen/pci.c @@ -17,6 +17,8 @@ #include "../pci/pci.h" #ifdef CONFIG_PCI_MMCONFIG #include <asm/pci_x86.h> + +static int xen_mcfg_late(void); #endif

static bool __read_mostly pci_seg_supported = true; @@ -28,7 +30,18 @@ static int xen_add_device(struct device *dev) #ifdef CONFIG_PCI_IOV struct pci_dev *physfn = pci_dev->physfn; #endif - +#ifdef CONFIG_PCI_MMCONFIG + static bool pci_mcfg_reserved = false; + /* + * Reserve MCFG areas in Xen on first invocation due to this being + * potentially called from inside of acpi_init immediately after + * MCFG table has been finally parsed. + */ + if (!pci_mcfg_reserved) { + xen_mcfg_late(); + pci_mcfg_reserved = true; + } +#endif if (pci_seg_supported) { struct { struct physdev_pci_device_add add; @@ -201,7 +214,7 @@ static int __init register_xen_pci_notifier(void) arch_initcall(register_xen_pci_notifier);

#ifdef CONFIG_PCI_MMCONFIG -static int __init xen_mcfg_late(void) +static int xen_mcfg_late(void) { struct pci_mmcfg_region *cfg; int rc; @@ -240,8 +253,4 @@ static int __init xen_mcfg_late(void) } return 0; } -/* - * Needs to be done after acpi_init which are subsys_initcall. - */ -subsys_initcall_sync(xen_mcfg_late); #endif diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 08adc590f631..597af455a522 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -55,6 +55,7 @@ #include <linux/string.h> #include <linux/slab.h> #include <linux/miscdevice.h> +#include <linux/workqueue.h>

#include <xen/xenbus.h> #include <xen/xen.h> @@ -116,6 +117,8 @@ struct xenbus_file_priv { wait_queue_head_t read_waitq;

struct kref kref; + + struct work_struct wq; };

/* Read out any raw xenbus messages queued up. */ @@ -300,14 +303,14 @@ static void watch_fired(struct xenbus_watch *watch, mutex_unlock(&adap->dev_data->reply_mutex); }

-static void xenbus_file_free(struct kref *kref) +static void xenbus_worker(struct work_struct *wq) { struct xenbus_file_priv *u; struct xenbus_transaction_holder *trans, *tmp; struct watch_adapter *watch, *tmp_watch; struct read_buffer *rb, *tmp_rb;

- u = container_of(kref, struct xenbus_file_priv, kref); + u = container_of(wq, struct xenbus_file_priv, wq);

/* * No need for locking here because there are no other users, @@ -333,6 +336,18 @@ static void xenbus_file_free(struct kref *kref) kfree(u); }

+static void xenbus_file_free(struct kref *kref) +{ + struct xenbus_file_priv *u; + + /* + * We might be called in xenbus_thread(). + * Use workqueue to avoid deadlock. + */ + u = container_of(kref, struct xenbus_file_priv, kref); + schedule_work(&u->wq); +} + static struct xenbus_transaction_holder *xenbus_get_transaction( struct xenbus_file_priv *u, uint32_t tx_id) { @@ -650,6 +665,7 @@ static int xenbus_file_open(struct inode *inode, struct file *filp) INIT_LIST_HEAD(&u->watches); INIT_LIST_HEAD(&u->read_buffers); init_waitqueue_head(&u->read_waitq); + INIT_WORK(&u->wq, xenbus_worker);

mutex_init(&u->reply_mutex); mutex_init(&u->msgbuffer_mutex); diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 4cc966a31cb3..fe7f0bd2048e 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -513,6 +513,7 @@ v9fs_mmap_file_mmap(struct file *filp, struct vm_area_struct *vma) v9inode = V9FS_I(inode); mutex_lock(&v9inode->v_mutex); if (!v9inode->writeback_fid && + (vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_WRITE)) { /* * clone a fid and add it to writeback_fid @@ -614,6 +615,8 @@ static void v9fs_mmap_vm_close(struct vm_area_struct *vma) (vma->vm_end - vma->vm_start - 1), };

+ if (!(vma->vm_flags & VM_SHARED)) + return;

p9_debug(P9_DEBUG_VFS, "9p VMA close, %p, flushing", vma);

diff --git a/fs/btrfs/tests/btrfs-tests.c b/fs/btrfs/tests/btrfs-tests.c index 1e3ba4949399..814a918998ec 100644 --- a/fs/btrfs/tests/btrfs-tests.c +++ b/fs/btrfs/tests/btrfs-tests.c @@ -51,7 +51,13 @@ static struct file_system_type test_type = {

struct inode *btrfs_new_test_inode(void) { - return new_inode(test_mnt->mnt_sb); + struct inode *inode; + + inode = new_inode(test_mnt->mnt_sb); + if (inode) + inode_init_owner(inode, NULL, S_IFREG); + + return inode; }

static int btrfs_init_test_fs(void) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index ce0f5658720a..8fd530112810 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -645,6 +645,7 @@ void ceph_add_cap(struct inode *inode, struct ceph_cap *cap; int mds = session->s_mds; int actual_wanted; + u32 gen;

dout("add_cap %p mds%d cap %llx %s seq %d\n", inode, session->s_mds, cap_id, ceph_cap_string(issued), seq); @@ -656,6 +657,10 @@ void ceph_add_cap(struct inode *inode, if (fmode >= 0) wanted |= ceph_caps_for_mode(fmode);

+ spin_lock(&session->s_gen_ttl_lock); + gen = session->s_cap_gen; + spin_unlock(&session->s_gen_ttl_lock); + cap = __get_cap_for_mds(ci, mds); if (!cap) { cap = *new_cap; @@ -681,7 +686,7 @@ void ceph_add_cap(struct inode *inode, list_move_tail(&cap->session_caps, &session->s_caps); spin_unlock(&session->s_cap_lock);

- if (cap->cap_gen < session->s_cap_gen) + if (cap->cap_gen < gen) cap->issued = cap->implemented = CEPH_CAP_PIN;

/* @@ -775,7 +780,7 @@ void ceph_add_cap(struct inode *inode, cap->seq = seq; cap->issue_seq = seq; cap->mseq = mseq; - cap->cap_gen = session->s_cap_gen; + cap->cap_gen = gen;

if (fmode >= 0) __ceph_get_fmode(ci, fmode); diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 18500edefc56..3b537e7038c7 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -801,7 +801,12 @@ static int fill_inode(struct inode *inode, struct page *locked_page,

/* update inode */ inode->i_rdev = le32_to_cpu(info->rdev); - inode->i_blkbits = fls(le32_to_cpu(info->layout.fl_stripe_unit)) - 1; + /* directories have fl_stripe_unit set to zero */ + if (le32_to_cpu(info->layout.fl_stripe_unit)) + inode->i_blkbits = + fls(le32_to_cpu(info->layout.fl_stripe_unit)) - 1; + else + inode->i_blkbits = CEPH_BLOCK_SHIFT;

__ceph_update_quota(ci, iinfo->max_bytes, iinfo->max_files);

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 920e9f048bd8..b11af7d8e8e9 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -4044,7 +4044,9 @@ static void delayed_work(struct work_struct *work) pr_info("mds%d hung\n", s->s_mds); } } - if (s->s_state < CEPH_MDS_SESSION_OPEN) { + if (s->s_state == CEPH_MDS_SESSION_NEW || + s->s_state == CEPH_MDS_SESSION_RESTARTING || + s->s_state == CEPH_MDS_SESSION_REJECTED) { /* this mds is failed or recovering, just wait */ ceph_put_mds_session(s); continue; diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c index bab7a0db81dd..f3b720884650 100644 --- a/fs/fuse/cuse.c +++ b/fs/fuse/cuse.c @@ -519,6 +519,7 @@ static int cuse_channel_open(struct inode *inode, struct file *file) rc = cuse_send_init(cc); if (rc) { fuse_dev_free(fud); + fuse_conn_put(&cc->fc); return rc; } file->private_data = fud; diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 987877860c01..f3104db3de83 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -823,9 +823,12 @@ static const struct super_operations fuse_super_operations = {

static void sanitize_global_limit(unsigned *limit) { + /* + * The default maximum number of async requests is calculated to consume + * 1/2^13 of the total memory, assuming 392 bytes per request. + */ if (*limit == 0) - *limit = ((totalram_pages() << PAGE_SHIFT) >> 13) / - sizeof(struct fuse_req); + *limit = ((totalram_pages() << PAGE_SHIFT) >> 13) / 392;

if (*limit >= 1 << 16) *limit = (1 << 16) - 1; diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 46a8d636d151..ab07db0f07cd 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -1174,7 +1174,7 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, } else *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); } - if (bmval[2] & FATTR4_WORD2_SECURITY_LABEL) { + if (label && (bmval[2] & FATTR4_WORD2_SECURITY_LABEL)) { *p++ = cpu_to_be32(label->lfs); *p++ = cpu_to_be32(label->pi); *p++ = cpu_to_be32(label->len); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 4525d5acae38..0418b198edd3 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1449,10 +1449,15 @@ void pnfs_roc_release(struct nfs4_layoutreturn_args *args, const nfs4_stateid *res_stateid = NULL; struct nfs4_xdr_opaque_data *ld_private = args->ld_private;

- if (ret == 0) { - arg_stateid = &args->stateid; + switch (ret) { + case -NFS4ERR_NOMATCHING_LAYOUT: + break; + case 0: if (res->lrs_present) res_stateid = &res->stateid; + /* Fallthrough */ + default: + arg_stateid = &args->stateid; } pnfs_layoutreturn_free_lsegs(lo, arg_stateid, &args->range, res_stateid); diff --git a/fs/statfs.c b/fs/statfs.c index eea7af6f2f22..2616424012ea 100644 --- a/fs/statfs.c +++ b/fs/statfs.c @@ -318,19 +318,10 @@ COMPAT_SYSCALL_DEFINE2(fstatfs, unsigned int, fd, struct compat_statfs __user *, static int put_compat_statfs64(struct compat_statfs64 __user *ubuf, struct kstatfs *kbuf) { struct compat_statfs64 buf; - if (sizeof(ubuf->f_bsize) == 4) { - if ((kbuf->f_type | kbuf->f_bsize | kbuf->f_namelen | - kbuf->f_frsize | kbuf->f_flags) & 0xffffffff00000000ULL) - return -EOVERFLOW; - /* f_files and f_ffree may be -1; it's okay - * to stuff that into 32 bits */ - if (kbuf->f_files != 0xffffffffffffffffULL - && (kbuf->f_files & 0xffffffff00000000ULL)) - return -EOVERFLOW; - if (kbuf->f_ffree != 0xffffffffffffffffULL - && (kbuf->f_ffree & 0xffffffff00000000ULL)) - return -EOVERFLOW; - } + + if ((kbuf->f_bsize | kbuf->f_frsize) & 0xffffffff00000000ULL) + return -EOVERFLOW; + memset(&buf, 0, sizeof(struct compat_statfs64)); buf.f_type = kbuf->f_type; buf.f_bsize = kbuf->f_bsize; diff --git a/include/linux/memremap.h b/include/linux/memremap.h index f8a5b2a19945..c70996fe48c8 100644 --- a/include/linux/memremap.h +++ b/include/linux/memremap.h @@ -17,6 +17,7 @@ struct device; */ struct vmem_altmap { const unsigned long base_pfn; + const unsigned long end_pfn; const unsigned long reserve; unsigned long free; unsigned long align; diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h index 4a7944078cc3..8557ec664213 100644 --- a/include/linux/sched/mm.h +++ b/include/linux/sched/mm.h @@ -362,6 +362,8 @@ enum {

static inline void membarrier_mm_sync_core_before_usermode(struct mm_struct *mm) { + if (current->mm != mm) + return; if (likely(!(atomic_read(&mm->membarrier_state) & MEMBARRIER_STATE_PRIVATE_EXPEDITED_SYNC_CORE))) return; diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index c00a0b8ade08..6c6694160130 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -353,6 +353,8 @@ struct device; #define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */ #define SND_SOC_DAPM_PRE_POST_PMD \ (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) +#define SND_SOC_DAPM_PRE_POST_PMU \ + (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)

/* convenience event type detection */ #define SND_SOC_DAPM_EVENT_ON(e) \ diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index aa7f3aeac740..79095434c1be 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -66,8 +66,9 @@ DECLARE_EVENT_CLASS(writeback_page_template, ),

TP_fast_assign( - strncpy(__entry->name, - mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32); + strscpy_pad(__entry->name, + mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", + 32); __entry->ino = mapping ? mapping->host->i_ino : 0; __entry->index = page->index; ), @@ -110,8 +111,8 @@ DECLARE_EVENT_CLASS(writeback_dirty_inode_template, struct backing_dev_info *bdi = inode_to_bdi(inode);

/* may be called for files on pseudo FSes w/ unregistered bdi */ - strncpy(__entry->name, - bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32); + strscpy_pad(__entry->name, + bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32); __entry->ino = inode->i_ino; __entry->state = inode->i_state; __entry->flags = flags; @@ -190,8 +191,8 @@ DECLARE_EVENT_CLASS(writeback_write_inode_template, ),

TP_fast_assign( - strncpy(__entry->name, - dev_name(inode_to_bdi(inode)->dev), 32); + strscpy_pad(__entry->name, + dev_name(inode_to_bdi(inode)->dev), 32); __entry->ino = inode->i_ino; __entry->sync_mode = wbc->sync_mode; __entry->cgroup_ino = __trace_wbc_assign_cgroup(wbc); @@ -234,8 +235,9 @@ DECLARE_EVENT_CLASS(writeback_work_class, __field(unsigned int, cgroup_ino) ), TP_fast_assign( - strncpy(__entry->name, - wb->bdi->dev ? dev_name(wb->bdi->dev) : "(unknown)", 32); + strscpy_pad(__entry->name, + wb->bdi->dev ? dev_name(wb->bdi->dev) : + "(unknown)", 32); __entry->nr_pages = work->nr_pages; __entry->sb_dev = work->sb ? work->sb->s_dev : 0; __entry->sync_mode = work->sync_mode; @@ -288,7 +290,7 @@ DECLARE_EVENT_CLASS(writeback_class, __field(unsigned int, cgroup_ino) ), TP_fast_assign( - strncpy(__entry->name, dev_name(wb->bdi->dev), 32); + strscpy_pad(__entry->name, dev_name(wb->bdi->dev), 32); __entry->cgroup_ino = __trace_wb_assign_cgroup(wb); ), TP_printk("bdi %s: cgroup_ino=%u", @@ -310,7 +312,7 @@ TRACE_EVENT(writeback_bdi_register, __array(char, name, 32) ), TP_fast_assign( - strncpy(__entry->name, dev_name(bdi->dev), 32); + strscpy_pad(__entry->name, dev_name(bdi->dev), 32); ), TP_printk("bdi %s", __entry->name @@ -335,7 +337,7 @@ DECLARE_EVENT_CLASS(wbc_class, ),

TP_fast_assign( - strncpy(__entry->name, dev_name(bdi->dev), 32); + strscpy_pad(__entry->name, dev_name(bdi->dev), 32); __entry->nr_to_write = wbc->nr_to_write; __entry->pages_skipped = wbc->pages_skipped; __entry->sync_mode = wbc->sync_mode; @@ -386,7 +388,7 @@ TRACE_EVENT(writeback_queue_io, ), TP_fast_assign( unsigned long *older_than_this = work->older_than_this; - strncpy(__entry->name, dev_name(wb->bdi->dev), 32); + strscpy_pad(__entry->name, dev_name(wb->bdi->dev), 32); __entry->older = older_than_this ? *older_than_this : 0; __entry->age = older_than_this ? (jiffies - *older_than_this) * 1000 / HZ : -1; @@ -472,7 +474,7 @@ TRACE_EVENT(bdi_dirty_ratelimit, ),

TP_fast_assign( - strlcpy(__entry->bdi, dev_name(wb->bdi->dev), 32); + strscpy_pad(__entry->bdi, dev_name(wb->bdi->dev), 32); __entry->write_bw = KBps(wb->write_bandwidth); __entry->avg_write_bw = KBps(wb->avg_write_bandwidth); __entry->dirty_rate = KBps(dirty_rate); @@ -537,7 +539,7 @@ TRACE_EVENT(balance_dirty_pages,

TP_fast_assign( unsigned long freerun = (thresh + bg_thresh) / 2; - strlcpy(__entry->bdi, dev_name(wb->bdi->dev), 32); + strscpy_pad(__entry->bdi, dev_name(wb->bdi->dev), 32);

__entry->limit = global_wb_domain.dirty_limit; __entry->setpoint = (global_wb_domain.dirty_limit + @@ -597,8 +599,8 @@ TRACE_EVENT(writeback_sb_inodes_requeue, ),

TP_fast_assign( - strncpy(__entry->name, - dev_name(inode_to_bdi(inode)->dev), 32); + strscpy_pad(__entry->name, + dev_name(inode_to_bdi(inode)->dev), 32); __entry->ino = inode->i_ino; __entry->state = inode->i_state; __entry->dirtied_when = inode->dirtied_when; @@ -671,8 +673,8 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template, ),

TP_fast_assign( - strncpy(__entry->name, - dev_name(inode_to_bdi(inode)->dev), 32); + strscpy_pad(__entry->name, + dev_name(inode_to_bdi(inode)->dev), 32); __entry->ino = inode->i_ino; __entry->state = inode->i_state; __entry->dirtied_when = inode->dirtied_when; diff --git a/include/uapi/linux/sched.h b/include/uapi/linux/sched.h index b3105ac1381a..851ff1feadd5 100644 --- a/include/uapi/linux/sched.h +++ b/include/uapi/linux/sched.h @@ -33,6 +33,7 @@ #define CLONE_NEWNET 0x40000000 /* New network namespace */ #define CLONE_IO 0x80000000 /* Clone io context */

+#ifndef __ASSEMBLY__ /* * Arguments for the clone3 syscall */ @@ -46,6 +47,7 @@ struct clone_args { __aligned_u64 stack_size; __aligned_u64 tls; }; +#endif

/* * Scheduling policies diff --git a/kernel/elfcore.c b/kernel/elfcore.c index fc482c8e0bd8..57fb4dcff434 100644 --- a/kernel/elfcore.c +++ b/kernel/elfcore.c @@ -3,6 +3,7 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/binfmts.h> +#include <linux/elfcore.h>

Elf_Half __weak elf_core_extra_phdrs(void) { diff --git a/kernel/locking/qspinlock_paravirt.h b/kernel/locking/qspinlock_paravirt.h index 89bab079e7a4..e84d21aa0722 100644 --- a/kernel/locking/qspinlock_paravirt.h +++ b/kernel/locking/qspinlock_paravirt.h @@ -269,7 +269,7 @@ pv_wait_early(struct pv_node *prev, int loop) if ((loop & PV_PREV_CHECK_MASK) != 0) return false;

- return READ_ONCE(prev->state) != vcpu_running || vcpu_is_preempted(prev->cpu); + return READ_ONCE(prev->state) != vcpu_running; }

/* diff --git a/kernel/sched/core.c b/kernel/sched/core.c index d38f007afea7..fffe790d98bb 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1537,7 +1537,8 @@ static int __set_cpus_allowed_ptr(struct task_struct *p, if (cpumask_equal(p->cpus_ptr, new_mask)) goto out;

- if (!cpumask_intersects(new_mask, cpu_valid_mask)) { + dest_cpu = cpumask_any_and(cpu_valid_mask, new_mask); + if (dest_cpu >= nr_cpu_ids) { ret = -EINVAL; goto out; } @@ -1558,7 +1559,6 @@ static int __set_cpus_allowed_ptr(struct task_struct *p, if (cpumask_test_cpu(task_cpu(p), new_mask)) goto out;

- dest_cpu = cpumask_any_and(cpu_valid_mask, new_mask); if (task_running(rq, p) || p->state == TASK_WAKING) { struct migration_arg arg = { p, dest_cpu }; /* Need help from migration thread: drop lock and wait. */ diff --git a/kernel/sched/membarrier.c b/kernel/sched/membarrier.c index aa8d75804108..5110d91b1b0e 100644 --- a/kernel/sched/membarrier.c +++ b/kernel/sched/membarrier.c @@ -226,7 +226,7 @@ static int membarrier_register_private_expedited(int flags) * groups, which use the same mm. (CLONE_VM but not * CLONE_THREAD). */ - if (atomic_read(&mm->membarrier_state) & state) + if ((atomic_read(&mm->membarrier_state) & state) == state) return 0; atomic_or(MEMBARRIER_STATE_PRIVATE_EXPEDITED, &mm->membarrier_state); if (flags & MEMBARRIER_FLAG_SYNC_CORE) diff --git a/kernel/time/tick-broadcast-hrtimer.c b/kernel/time/tick-broadcast-hrtimer.c index 5be6154e2fd2..99fbfb8d9117 100644 --- a/kernel/time/tick-broadcast-hrtimer.c +++ b/kernel/time/tick-broadcast-hrtimer.c @@ -42,34 +42,39 @@ static int bc_shutdown(struct clock_event_device *evt) */ static int bc_set_next(ktime_t expires, struct clock_event_device *bc) { - int bc_moved; /* - * We try to cancel the timer first. If the callback is on - * flight on some other cpu then we let it handle it. If we - * were able to cancel the timer nothing can rearm it as we - * own broadcast_lock. + * This is called either from enter/exit idle code or from the + * broadcast handler. In all cases tick_broadcast_lock is held. * - * However we can also be called from the event handler of - * ce_broadcast_hrtimer itself when it expires. We cannot - * restart the timer because we are in the callback, but we - * can set the expiry time and let the callback return - * HRTIMER_RESTART. + * hrtimer_cancel() cannot be called here neither from the + * broadcast handler nor from the enter/exit idle code. The idle + * code can run into the problem described in bc_shutdown() and the + * broadcast handler cannot wait for itself to complete for obvious + * reasons. * - * Since we are in the idle loop at this point and because - * hrtimer_{start/cancel} functions call into tracing, - * calls to these functions must be bound within RCU_NONIDLE. + * Each caller tries to arm the hrtimer on its own CPU, but if the + * hrtimer callbback function is currently running, then + * hrtimer_start() cannot move it and the timer stays on the CPU on + * which it is assigned at the moment. + * + * As this can be called from idle code, the hrtimer_start() + * invocation has to be wrapped with RCU_NONIDLE() as + * hrtimer_start() can call into tracing. */ - RCU_NONIDLE({ - bc_moved = hrtimer_try_to_cancel(&bctimer) >= 0; - if (bc_moved) - hrtimer_start(&bctimer, expires, - HRTIMER_MODE_ABS_PINNED);}); - if (bc_moved) { - /* Bind the "device" to the cpu */ - bc->bound_on = smp_processor_id(); - } else if (bc->bound_on == smp_processor_id()) { - hrtimer_set_expires(&bctimer, expires); - } + RCU_NONIDLE( { + hrtimer_start(&bctimer, expires, HRTIMER_MODE_ABS_PINNED); + /* + * The core tick broadcast mode expects bc->bound_on to be set + * correctly to prevent a CPU which has the broadcast hrtimer + * armed from going deep idle. + * + * As tick_broadcast_lock is held, nothing can change the cpu + * base which was just established in hrtimer_start() above. So + * the below access is safe even without holding the hrtimer + * base lock. + */ + bc->bound_on = bctimer.base->cpu_base->cpu; + } ); return 0; }

@@ -95,10 +100,6 @@ static enum hrtimer_restart bc_handler(struct hrtimer *t) { ce_broadcast_hrtimer.event_handler(&ce_broadcast_hrtimer);

- if (clockevent_state_oneshot(&ce_broadcast_hrtimer)) - if (ce_broadcast_hrtimer.next_event != KTIME_MAX) - return HRTIMER_RESTART; - return HRTIMER_NORESTART; }

diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 343c7ba33b1c..7d63b7347066 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -1593,24 +1593,26 @@ void timer_clear_idle(void) static int collect_expired_timers(struct timer_base *base, struct hlist_head *heads) { + unsigned long now = READ_ONCE(jiffies); + /* * NOHZ optimization. After a long idle sleep we need to forward the * base to current jiffies. Avoid a loop by searching the bitfield for * the next expiring timer. */ - if ((long)(jiffies - base->clk) > 2) { + if ((long)(now - base->clk) > 2) { unsigned long next = __next_timer_interrupt(base);

/* * If the next timer is ahead of time forward to current * jiffies, otherwise forward to the next expiry time: */ - if (time_after(next, jiffies)) { + if (time_after(next, now)) { /* * The call site will increment base->clk and then * terminate the expiry loop immediately. */ - base->clk = jiffies; + base->clk = now; return 0; } base->clk = next; diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index ca1255d14576..3e38a010003c 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -500,14 +500,17 @@ static const struct bpf_func_proto bpf_perf_event_output_proto = { .arg5_type = ARG_CONST_SIZE_OR_ZERO, };

-static DEFINE_PER_CPU(struct pt_regs, bpf_pt_regs); -static DEFINE_PER_CPU(struct perf_sample_data, bpf_misc_sd); +static DEFINE_PER_CPU(int, bpf_event_output_nest_level); +struct bpf_nested_pt_regs { + struct pt_regs regs[3]; +}; +static DEFINE_PER_CPU(struct bpf_nested_pt_regs, bpf_pt_regs); +static DEFINE_PER_CPU(struct bpf_trace_sample_data, bpf_misc_sds);

u64 bpf_event_output(struct bpf_map *map, u64 flags, void *meta, u64 meta_size, void *ctx, u64 ctx_size, bpf_ctx_copy_t ctx_copy) { - struct perf_sample_data *sd = this_cpu_ptr(&bpf_misc_sd); - struct pt_regs *regs = this_cpu_ptr(&bpf_pt_regs); + int nest_level = this_cpu_inc_return(bpf_event_output_nest_level); struct perf_raw_frag frag = { .copy = ctx_copy, .size = ctx_size, @@ -522,12 +525,25 @@ u64 bpf_event_output(struct bpf_map *map, u64 flags, void *meta, u64 meta_size, .data = meta, }, }; + struct perf_sample_data *sd; + struct pt_regs *regs; + u64 ret; + + if (WARN_ON_ONCE(nest_level > ARRAY_SIZE(bpf_misc_sds.sds))) { + ret = -EBUSY; + goto out; + } + sd = this_cpu_ptr(&bpf_misc_sds.sds[nest_level - 1]); + regs = this_cpu_ptr(&bpf_pt_regs.regs[nest_level - 1]);

perf_fetch_caller_regs(regs); perf_sample_data_init(sd, 0, 0); sd->raw = &raw;

- return __bpf_perf_event_output(regs, map, flags, sd); + ret = __bpf_perf_event_output(regs, map, flags, sd); +out: + this_cpu_dec(bpf_event_output_nest_level); + return ret; }

BPF_CALL_0(bpf_get_current_task) diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index ca6b0dff60c5..dd310d3b5843 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -2785,6 +2785,8 @@ static struct hist_field *create_alias(struct hist_trigger_data *hist_data, return NULL; }

+ alias->var_ref_idx = var_ref->var_ref_idx; + return alias; }

diff --git a/mm/usercopy.c b/mm/usercopy.c index 98e924864554..660717a1ea5c 100644 --- a/mm/usercopy.c +++ b/mm/usercopy.c @@ -11,6 +11,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/mm.h> +#include <linux/highmem.h> #include <linux/slab.h> #include <linux/sched.h> #include <linux/sched/task.h> @@ -227,7 +228,12 @@ static inline void check_heap_object(const void *ptr, unsigned long n, if (!virt_addr_valid(ptr)) return;

- page = virt_to_head_page(ptr); + /* + * When CONFIG_HIGHMEM=y, kmap_to_page() will give either the + * highmem page or fallback to virt_to_page(). The following + * is effectively a highmem-aware virt_to_head_page(). + */ + page = compound_head(kmap_to_page((void *)ptr));

if (PageSlab(page)) { /* Check slab allocator for flags and size. */ diff --git a/net/9p/client.c b/net/9p/client.c index 9622f3e469f6..1d48afc7033c 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -281,6 +281,7 @@ p9_tag_alloc(struct p9_client *c, int8_t type, unsigned int max_size)

p9pdu_reset(&req->tc); p9pdu_reset(&req->rc); + req->t_err = 0; req->status = REQ_STATUS_ALLOC; init_waitqueue_head(&req->wq); INIT_LIST_HEAD(&req->req_list); diff --git a/net/mac80211/util.c b/net/mac80211/util.c index ad1e58184c4e..21212faec6d0 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -247,7 +247,8 @@ static void __ieee80211_wake_txqs(struct ieee80211_sub_if_data *sdata, int ac) struct sta_info *sta; int i;

- spin_lock_bh(&fq->lock); + local_bh_disable(); + spin_lock(&fq->lock);

if (sdata->vif.type == NL80211_IFTYPE_AP) ps = &sdata->bss->ps; @@ -273,9 +274,9 @@ static void __ieee80211_wake_txqs(struct ieee80211_sub_if_data *sdata, int ac) &txqi->flags)) continue;

- spin_unlock_bh(&fq->lock); + spin_unlock(&fq->lock); drv_wake_tx_queue(local, txqi); - spin_lock_bh(&fq->lock); + spin_lock(&fq->lock); } }

@@ -288,12 +289,14 @@ static void __ieee80211_wake_txqs(struct ieee80211_sub_if_data *sdata, int ac) (ps && atomic_read(&ps->num_sta_ps)) || ac != vif->txq->ac) goto out;

- spin_unlock_bh(&fq->lock); + spin_unlock(&fq->lock);

drv_wake_tx_queue(local, txqi); + local_bh_enable(); return; out: - spin_unlock_bh(&fq->lock); + spin_unlock(&fq->lock); + local_bh_enable(); }

static void diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index d47469f824a1..3b81323fa017 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -3562,8 +3562,11 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk, NFT_SET_OBJECT)) return -EINVAL; /* Only one of these operations is supported */ - if ((flags & (NFT_SET_MAP | NFT_SET_EVAL | NFT_SET_OBJECT)) == - (NFT_SET_MAP | NFT_SET_EVAL | NFT_SET_OBJECT)) + if ((flags & (NFT_SET_MAP | NFT_SET_OBJECT)) == + (NFT_SET_MAP | NFT_SET_OBJECT)) + return -EOPNOTSUPP; + if ((flags & (NFT_SET_EVAL | NFT_SET_OBJECT)) == + (NFT_SET_EVAL | NFT_SET_OBJECT)) return -EOPNOTSUPP; }

diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c index c0560bf3c31b..660bad688e2b 100644 --- a/net/netfilter/nft_lookup.c +++ b/net/netfilter/nft_lookup.c @@ -73,9 +73,6 @@ static int nft_lookup_init(const struct nft_ctx *ctx, if (IS_ERR(set)) return PTR_ERR(set);

- if (set->flags & NFT_SET_EVAL) - return -EOPNOTSUPP; - priv->sreg = nft_parse_register(tb[NFTA_LOOKUP_SREG]); err = nft_validate_register_load(priv->sreg, set->klen); if (err < 0) diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 7a75f34ad393..f7f78566be46 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1837,7 +1837,7 @@ call_allocate(struct rpc_task *task) return; }

- rpc_exit(task, -ERESTARTSYS); + rpc_call_rpcerror(task, -ERESTARTSYS); }

static int @@ -2482,6 +2482,7 @@ call_decode(struct rpc_task *task) struct rpc_clnt *clnt = task->tk_client; struct rpc_rqst *req = task->tk_rqstp; struct xdr_stream xdr; + int err;

dprint_status(task);

@@ -2504,6 +2505,15 @@ call_decode(struct rpc_task *task) * before it changed req->rq_reply_bytes_recvd. */ smp_rmb(); + + /* + * Did we ever call xprt_complete_rqst()? If not, we should assume + * the message is incomplete. + */ + err = -EAGAIN; + if (!req->rq_reply_bytes_recvd) + goto out; + req->rq_rcv_buf.len = req->rq_private_buf.len;

/* Check that the softirq receive buffer is valid */ @@ -2512,7 +2522,9 @@ call_decode(struct rpc_task *task)

xdr_init_decode(&xdr, &req->rq_rcv_buf, req->rq_rcv_buf.head[0].iov_base, req); - switch (rpc_decode_header(task, &xdr)) { + err = rpc_decode_header(task, &xdr); +out: + switch (err) { case 0: task->tk_action = rpc_exit_task; task->tk_status = rpcauth_unwrap_resp(task, &xdr); @@ -2561,7 +2573,7 @@ rpc_encode_header(struct rpc_task *task, struct xdr_stream *xdr) return 0; out_fail: trace_rpc_bad_callhdr(task); - rpc_exit(task, error); + rpc_call_rpcerror(task, error); return error; }

@@ -2628,7 +2640,7 @@ rpc_decode_header(struct rpc_task *task, struct xdr_stream *xdr) return -EAGAIN; } out_err: - rpc_exit(task, error); + rpc_call_rpcerror(task, error); return error;

out_unparsable: diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index 1f275aba786f..53934fe73a9d 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -930,8 +930,10 @@ static void __rpc_execute(struct rpc_task *task) /* * Signalled tasks should exit rather than sleep. */ - if (RPC_SIGNALLED(task)) + if (RPC_SIGNALLED(task)) { + task->tk_rpc_status = -ERESTARTSYS; rpc_exit(task, -ERESTARTSYS); + }

/* * The queue->lock protects against races with @@ -967,6 +969,7 @@ static void __rpc_execute(struct rpc_task *task) */ dprintk("RPC: %5u got signal\n", task->tk_pid); set_bit(RPC_TASK_SIGNALLED, &task->tk_runstate); + task->tk_rpc_status = -ERESTARTSYS; rpc_exit(task, -ERESTARTSYS); } dprintk("RPC: %5u sync task resuming\n", task->tk_pid); diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 2ec349ed4770..f4763e8a6761 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -571,6 +571,7 @@ xprt_rdma_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task) return;

out_sleep: + set_bit(XPRT_CONGESTED, &xprt->state); rpc_sleep_on(&xprt->backlog, task, NULL); task->tk_status = -EAGAIN; } @@ -589,7 +590,8 @@ xprt_rdma_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *rqst)

memset(rqst, 0, sizeof(*rqst)); rpcrdma_buffer_put(&r_xprt->rx_buf, rpcr_to_rdmar(rqst)); - rpc_wake_up_next(&xprt->backlog); + if (unlikely(!rpc_wake_up_next(&xprt->backlog))) + clear_bit(XPRT_CONGESTED, &xprt->state); }

static bool rpcrdma_check_regbuf(struct rpcrdma_xprt *r_xprt, diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 805b1f35e1ca..2bd9b4de0e32 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -605,10 +605,10 @@ void rpcrdma_ep_destroy(struct rpcrdma_xprt *r_xprt) * Unlike a normal reconnection, a fresh PD and a new set * of MRs and buffers is needed. */ -static int -rpcrdma_ep_recreate_xprt(struct rpcrdma_xprt *r_xprt, - struct rpcrdma_ep *ep, struct rpcrdma_ia *ia) +static int rpcrdma_ep_recreate_xprt(struct rpcrdma_xprt *r_xprt, + struct ib_qp_init_attr *qp_init_attr) { + struct rpcrdma_ia *ia = &r_xprt->rx_ia; int rc, err;

trace_xprtrdma_reinsert(r_xprt); @@ -625,7 +625,7 @@ rpcrdma_ep_recreate_xprt(struct rpcrdma_xprt *r_xprt, }

rc = -ENETUNREACH; - err = rdma_create_qp(ia->ri_id, ia->ri_pd, &ep->rep_attr); + err = rdma_create_qp(ia->ri_id, ia->ri_pd, qp_init_attr); if (err) { pr_err("rpcrdma: rdma_create_qp returned %d\n", err); goto out3; @@ -642,16 +642,16 @@ rpcrdma_ep_recreate_xprt(struct rpcrdma_xprt *r_xprt, return rc; }

-static int -rpcrdma_ep_reconnect(struct rpcrdma_xprt *r_xprt, struct rpcrdma_ep *ep, - struct rpcrdma_ia *ia) +static int rpcrdma_ep_reconnect(struct rpcrdma_xprt *r_xprt, + struct ib_qp_init_attr *qp_init_attr) { + struct rpcrdma_ia *ia = &r_xprt->rx_ia; struct rdma_cm_id *id, *old; int err, rc;

trace_xprtrdma_reconnect(r_xprt);

- rpcrdma_ep_disconnect(ep, ia); + rpcrdma_ep_disconnect(&r_xprt->rx_ep, ia);

rc = -EHOSTUNREACH; id = rpcrdma_create_id(r_xprt, ia); @@ -673,7 +673,7 @@ rpcrdma_ep_reconnect(struct rpcrdma_xprt *r_xprt, struct rpcrdma_ep *ep, goto out_destroy; }

- err = rdma_create_qp(id, ia->ri_pd, &ep->rep_attr); + err = rdma_create_qp(id, ia->ri_pd, qp_init_attr); if (err) goto out_destroy;

@@ -698,25 +698,27 @@ rpcrdma_ep_connect(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia) struct rpcrdma_xprt *r_xprt = container_of(ia, struct rpcrdma_xprt, rx_ia); struct rpc_xprt *xprt = &r_xprt->rx_xprt; + struct ib_qp_init_attr qp_init_attr; int rc;

retry: + memcpy(&qp_init_attr, &ep->rep_attr, sizeof(qp_init_attr)); switch (ep->rep_connected) { case 0: dprintk("RPC: %s: connecting...\n", __func__); - rc = rdma_create_qp(ia->ri_id, ia->ri_pd, &ep->rep_attr); + rc = rdma_create_qp(ia->ri_id, ia->ri_pd, &qp_init_attr); if (rc) { rc = -ENETUNREACH; goto out_noupdate; } break; case -ENODEV: - rc = rpcrdma_ep_recreate_xprt(r_xprt, ep, ia); + rc = rpcrdma_ep_recreate_xprt(r_xprt, &qp_init_attr); if (rc) goto out_noupdate; break; default: - rc = rpcrdma_ep_reconnect(r_xprt, ep, ia); + rc = rpcrdma_ep_reconnect(r_xprt, &qp_init_attr); if (rc) goto out; } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index c9cfc796eccf..f03459ddc840 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -201,6 +201,38 @@ cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) return __cfg80211_rdev_from_attrs(netns, info->attrs); }

+static int validate_beacon_head(const struct nlattr *attr, + struct netlink_ext_ack *extack) +{ + const u8 *data = nla_data(attr); + unsigned int len = nla_len(attr); + const struct element *elem; + const struct ieee80211_mgmt *mgmt = (void *)data; + unsigned int fixedlen = offsetof(struct ieee80211_mgmt, + u.beacon.variable); + + if (len < fixedlen) + goto err; + + if (ieee80211_hdrlen(mgmt->frame_control) != + offsetof(struct ieee80211_mgmt, u.beacon)) + goto err; + + data += fixedlen; + len -= fixedlen; + + for_each_element(elem, data, len) { + /* nothing */ + } + + if (for_each_element_completed(elem, data, len)) + return 0; + +err: + NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head"); + return -EINVAL; +} + static int validate_ie_attr(const struct nlattr *attr, struct netlink_ext_ack *extack) { @@ -322,8 +354,9 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {

[NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, - [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, + [NL80211_ATTR_BEACON_HEAD] = + NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head, + IEEE80211_MAX_DATA_LEN), [NL80211_ATTR_BEACON_TAIL] = NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr, IEEE80211_MAX_DATA_LEN), @@ -2564,6 +2597,8 @@ int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,

control_freq = nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]);

+ memset(chandef, 0, sizeof(*chandef)); + chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); chandef->width = NL80211_CHAN_WIDTH_20_NOHT; chandef->center_freq1 = control_freq; @@ -3092,7 +3127,7 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag

if (rdev->ops->get_channel) { int ret; - struct cfg80211_chan_def chandef; + struct cfg80211_chan_def chandef = {};

ret = rdev_get_channel(rdev, wdev, &chandef); if (ret == 0) { diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 327479ce69f5..36eba5804efe 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2108,7 +2108,7 @@ static void reg_call_notifier(struct wiphy *wiphy,

static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev) { - struct cfg80211_chan_def chandef; + struct cfg80211_chan_def chandef = {}; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); enum nl80211_iftype iftype;

diff --git a/net/wireless/scan.c b/net/wireless/scan.c index d66e6d4b7555..27d76c4c5cea 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1711,7 +1711,12 @@ cfg80211_update_notlisted_nontrans(struct wiphy *wiphy, return; new_ie_len -= trans_ssid[1]; mbssid = cfg80211_find_ie(WLAN_EID_MULTIPLE_BSSID, ie, ielen); - if (!mbssid) + /* + * It's not valid to have the MBSSID element before SSID + * ignore if that happens - the code below assumes it is + * after (while copying things inbetween). + */ + if (!mbssid || mbssid < trans_ssid) return; new_ie_len -= mbssid[1]; rcu_read_lock(); diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index 46e4d69db845..b1f94730bde2 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -797,7 +797,7 @@ static int cfg80211_wext_giwfreq(struct net_device *dev, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); - struct cfg80211_chan_def chandef; + struct cfg80211_chan_def chandef = {}; int ret;

switch (wdev->iftype) { diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c index d4c7b8e1b083..73044fc6a952 100644 --- a/security/integrity/ima/ima_crypto.c +++ b/security/integrity/ima/ima_crypto.c @@ -268,8 +268,16 @@ static int ima_calc_file_hash_atfm(struct file *file, rbuf_len = min_t(loff_t, i_size - offset, rbuf_size[active]); rc = integrity_kernel_read(file, offset, rbuf[active], rbuf_len); - if (rc != rbuf_len) + if (rc != rbuf_len) { + if (rc >= 0) + rc = -EINVAL; + /* + * Forward current rc, do not overwrite with return value + * from ahash_wait() + */ + ahash_wait(ahash_rc, &wait); goto out3; + }

if (rbuf[1] && offset) { /* Using two buffers, and it is not the first diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c index 7cbaedffa1ef..8e5e48f6a24b 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -31,6 +31,13 @@ #define SGTL5000_DAP_REG_OFFSET 0x0100 #define SGTL5000_MAX_REG_OFFSET 0x013A

+/* Delay for the VAG ramp up */ +#define SGTL5000_VAG_POWERUP_DELAY 500 /* ms */ +/* Delay for the VAG ramp down */ +#define SGTL5000_VAG_POWERDOWN_DELAY 500 /* ms */ + +#define SGTL5000_OUTPUTS_MUTE (SGTL5000_HP_MUTE | SGTL5000_LINE_OUT_MUTE) + /* default value of sgtl5000 registers */ static const struct reg_default sgtl5000_reg_defaults[] = { { SGTL5000_CHIP_DIG_POWER, 0x0000 }, @@ -123,6 +130,13 @@ enum { I2S_SCLK_STRENGTH_HIGH, };

+enum { + HP_POWER_EVENT, + DAC_POWER_EVENT, + ADC_POWER_EVENT, + LAST_POWER_EVENT = ADC_POWER_EVENT +}; + /* sgtl5000 private structure in codec */ struct sgtl5000_priv { int sysclk; /* sysclk rate */ @@ -137,8 +151,109 @@ struct sgtl5000_priv { u8 micbias_voltage; u8 lrclk_strength; u8 sclk_strength; + u16 mute_state[LAST_POWER_EVENT + 1]; };

+static inline int hp_sel_input(struct snd_soc_component *component) +{ + return (snd_soc_component_read32(component, SGTL5000_CHIP_ANA_CTRL) & + SGTL5000_HP_SEL_MASK) >> SGTL5000_HP_SEL_SHIFT; +} + +static inline u16 mute_output(struct snd_soc_component *component, + u16 mute_mask) +{ + u16 mute_reg = snd_soc_component_read32(component, + SGTL5000_CHIP_ANA_CTRL); + + snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_CTRL, + mute_mask, mute_mask); + return mute_reg; +} + +static inline void restore_output(struct snd_soc_component *component, + u16 mute_mask, u16 mute_reg) +{ + snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_CTRL, + mute_mask, mute_reg); +} + +static void vag_power_on(struct snd_soc_component *component, u32 source) +{ + if (snd_soc_component_read32(component, SGTL5000_CHIP_ANA_POWER) & + SGTL5000_VAG_POWERUP) + return; + + snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_POWER, + SGTL5000_VAG_POWERUP, SGTL5000_VAG_POWERUP); + + /* When VAG powering on to get local loop from Line-In, the sleep + * is required to avoid loud pop. + */ + if (hp_sel_input(component) == SGTL5000_HP_SEL_LINE_IN && + source == HP_POWER_EVENT) + msleep(SGTL5000_VAG_POWERUP_DELAY); +} + +static int vag_power_consumers(struct snd_soc_component *component, + u16 ana_pwr_reg, u32 source) +{ + int consumers = 0; + + /* count dac/adc consumers unconditional */ + if (ana_pwr_reg & SGTL5000_DAC_POWERUP) + consumers++; + if (ana_pwr_reg & SGTL5000_ADC_POWERUP) + consumers++; + + /* + * If the event comes from HP and Line-In is selected, + * current action is 'DAC to be powered down'. + * As HP_POWERUP is not set when HP muxed to line-in, + * we need to keep VAG power ON. + */ + if (source == HP_POWER_EVENT) { + if (hp_sel_input(component) == SGTL5000_HP_SEL_LINE_IN) + consumers++; + } else { + if (ana_pwr_reg & SGTL5000_HP_POWERUP) + consumers++; + } + + return consumers; +} + +static void vag_power_off(struct snd_soc_component *component, u32 source) +{ + u16 ana_pwr = snd_soc_component_read32(component, + SGTL5000_CHIP_ANA_POWER); + + if (!(ana_pwr & SGTL5000_VAG_POWERUP)) + return; + + /* + * This function calls when any of VAG power consumers is disappearing. + * Thus, if there is more than one consumer at the moment, as minimum + * one consumer will definitely stay after the end of the current + * event. + * Don't clear VAG_POWERUP if 2 or more consumers of VAG present: + * - LINE_IN (for HP events) / HP (for DAC/ADC events) + * - DAC + * - ADC + * (the current consumer is disappearing right now) + */ + if (vag_power_consumers(component, ana_pwr, source) >= 2) + return; + + snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_POWER, + SGTL5000_VAG_POWERUP, 0); + /* In power down case, we need wait 400-1000 ms + * when VAG fully ramped down. + * As longer we wait, as smaller pop we've got. + */ + msleep(SGTL5000_VAG_POWERDOWN_DELAY); +} + /* * mic_bias power on/off share the same register bits with * output impedance of mic bias, when power on mic bias, we @@ -170,36 +285,46 @@ static int mic_bias_event(struct snd_soc_dapm_widget *w, return 0; }

-/* - * As manual described, ADC/DAC only works when VAG powerup, - * So enabled VAG before ADC/DAC up. - * In power down case, we need wait 400ms when vag fully ramped down. - */ -static int power_vag_event(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *kcontrol, int event) +static int vag_and_mute_control(struct snd_soc_component *component, + int event, int event_source) { - struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); - const u32 mask = SGTL5000_DAC_POWERUP | SGTL5000_ADC_POWERUP; + static const u16 mute_mask[] = { + /* + * Mask for HP_POWER_EVENT. + * Muxing Headphones have to be wrapped with mute/unmute + * headphones only. + */ + SGTL5000_HP_MUTE, + /* + * Masks for DAC_POWER_EVENT/ADC_POWER_EVENT. + * Muxing DAC or ADC block have to wrapped with mute/unmute + * both headphones and line-out. + */ + SGTL5000_OUTPUTS_MUTE, + SGTL5000_OUTPUTS_MUTE + }; + + struct sgtl5000_priv *sgtl5000 = + snd_soc_component_get_drvdata(component);

switch (event) { + case SND_SOC_DAPM_PRE_PMU: + sgtl5000->mute_state[event_source] = + mute_output(component, mute_mask[event_source]); + break; case SND_SOC_DAPM_POST_PMU: - snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_POWER, - SGTL5000_VAG_POWERUP, SGTL5000_VAG_POWERUP); - msleep(400); + vag_power_on(component, event_source); + restore_output(component, mute_mask[event_source], + sgtl5000->mute_state[event_source]); break; - case SND_SOC_DAPM_PRE_PMD: - /* - * Don't clear VAG_POWERUP, when both DAC and ADC are - * operational to prevent inadvertently starving the - * other one of them. - */ - if ((snd_soc_component_read32(component, SGTL5000_CHIP_ANA_POWER) & - mask) != mask) { - snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_POWER, - SGTL5000_VAG_POWERUP, 0); - msleep(400); - } + sgtl5000->mute_state[event_source] = + mute_output(component, mute_mask[event_source]); + vag_power_off(component, event_source); + break; + case SND_SOC_DAPM_POST_PMD: + restore_output(component, mute_mask[event_source], + sgtl5000->mute_state[event_source]); break; default: break; @@ -208,6 +333,41 @@ static int power_vag_event(struct snd_soc_dapm_widget *w, return 0; }

+/* + * Mute Headphone when power it up/down. + * Control VAG power on HP power path. + */ +static int headphone_pga_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(w->dapm); + + return vag_and_mute_control(component, event, HP_POWER_EVENT); +} + +/* As manual describes, ADC/DAC powering up/down requires + * to mute outputs to avoid pops. + * Control VAG power on ADC/DAC power path. + */ +static int adc_updown_depop(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(w->dapm); + + return vag_and_mute_control(component, event, ADC_POWER_EVENT); +} + +static int dac_updown_depop(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(w->dapm); + + return vag_and_mute_control(component, event, DAC_POWER_EVENT); +} + /* input sources for ADC */ static const char *adc_mux_text[] = { "MIC_IN", "LINE_IN" @@ -280,7 +440,10 @@ static const struct snd_soc_dapm_widget sgtl5000_dapm_widgets[] = { mic_bias_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),

- SND_SOC_DAPM_PGA("HP", SGTL5000_CHIP_ANA_POWER, 4, 0, NULL, 0), + SND_SOC_DAPM_PGA_E("HP", SGTL5000_CHIP_ANA_POWER, 4, 0, NULL, 0, + headphone_pga_event, + SND_SOC_DAPM_PRE_POST_PMU | + SND_SOC_DAPM_PRE_POST_PMD), SND_SOC_DAPM_PGA("LO", SGTL5000_CHIP_ANA_POWER, 0, 0, NULL, 0),

SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0, &adc_mux), @@ -301,11 +464,12 @@ static const struct snd_soc_dapm_widget sgtl5000_dapm_widgets[] = { 0, SGTL5000_CHIP_DIG_POWER, 1, 0),

- SND_SOC_DAPM_ADC("ADC", "Capture", SGTL5000_CHIP_ANA_POWER, 1, 0), - SND_SOC_DAPM_DAC("DAC", "Playback", SGTL5000_CHIP_ANA_POWER, 3, 0), - - SND_SOC_DAPM_PRE("VAG_POWER_PRE", power_vag_event), - SND_SOC_DAPM_POST("VAG_POWER_POST", power_vag_event), + SND_SOC_DAPM_ADC_E("ADC", "Capture", SGTL5000_CHIP_ANA_POWER, 1, 0, + adc_updown_depop, SND_SOC_DAPM_PRE_POST_PMU | + SND_SOC_DAPM_PRE_POST_PMD), + SND_SOC_DAPM_DAC_E("DAC", "Playback", SGTL5000_CHIP_ANA_POWER, 3, 0, + dac_updown_depop, SND_SOC_DAPM_PRE_POST_PMU | + SND_SOC_DAPM_PRE_POST_PMD), };

/* routes for sgtl5000 */ diff --git a/tools/lib/bpf/btf_dump.c b/tools/lib/bpf/btf_dump.c index 7065bb5b2752..e1357dbb16c2 100644 --- a/tools/lib/bpf/btf_dump.c +++ b/tools/lib/bpf/btf_dump.c @@ -1213,6 +1213,7 @@ static void btf_dump_emit_type_chain(struct btf_dump *d, return; }

+ next_id = decls->ids[decls->cnt - 1]; next_t = btf__type_by_id(d->btf, next_id); multidim = btf_kind_of(next_t) == BTF_KIND_ARRAY; /* we need space if we have named non-pointer */ diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile index 86ce17a1f7fb..a39cdd0d890d 100644 --- a/tools/lib/traceevent/Makefile +++ b/tools/lib/traceevent/Makefile @@ -266,8 +266,8 @@ endef

define do_generate_dynamic_list_file symbol_type=`$(NM) -u -D $1 | awk 'NF>1 {print $$1}' | \ - xargs echo "U W w" | tr ' ' '\n' | sort -u | xargs echo`;\ - if [ "$$symbol_type" = "U W w" ];then \ + xargs echo "U w W" | tr 'w ' 'W\n' | sort -u | xargs echo`;\ + if [ "$$symbol_type" = "U W" ];then \ (echo '{'; \ $(NM) -u -D $1 | awk 'NF>1 {print "\t"$$2";"}' | sort -u;\ echo '};'; \ diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index b36b536a9fcb..13fd9fdf91e0 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -269,10 +269,10 @@ static int add_new_comm(struct tep_handle *tep, errno = ENOMEM; return -1; } + tep->cmdlines = cmdlines;

cmdlines[tep->cmdline_count].comm = strdup(comm); if (!cmdlines[tep->cmdline_count].comm) { - free(cmdlines); errno = ENOMEM; return -1; } @@ -283,7 +283,6 @@ static int add_new_comm(struct tep_handle *tep, tep->cmdline_count++;

qsort(cmdlines, tep->cmdline_count, sizeof(*cmdlines), cmdline_cmp); - tep->cmdlines = cmdlines;

return 0; } diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 89ac5a1f1550..3da374911852 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -908,7 +908,7 @@ ifndef NO_JVMTI JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') else ifneq (,$(wildcard /usr/sbin/alternatives)) - JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g') + JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g') endif endif ifndef JDIR diff --git a/tools/perf/arch/x86/util/unwind-libunwind.c b/tools/perf/arch/x86/util/unwind-libunwind.c index 05920e3edf7a..47357973b55b 100644 --- a/tools/perf/arch/x86/util/unwind-libunwind.c +++ b/tools/perf/arch/x86/util/unwind-libunwind.c @@ -1,11 +1,11 @@ // SPDX-License-Identifier: GPL-2.0

#include <errno.h> +#include "../../util/debug.h" #ifndef REMOTE_UNWIND_LIBUNWIND #include <libunwind.h> #include "perf_regs.h" #include "../../util/unwind.h" -#include "../../util/debug.h" #endif

#ifdef HAVE_ARCH_X86_64_SUPPORT diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 352cf39d7c2f..8ec06bf3372c 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1961,8 +1961,11 @@ int cmd_stat(int argc, const char **argv) fprintf(output, "[ perf stat: executing run #%d ... ]\n", run_idx + 1);

+ if (run_idx != 0) + perf_evlist__reset_prev_raw_counts(evsel_list); + status = run_perf_stat(argc, argv, run_idx); - if (forever && status != -1) { + if (forever && status != -1 && !interval) { print_counters(NULL, argc, argv); perf_stat__reset_stats(); } diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index bf7cf1249553..e95a2a26c40a 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -1061,7 +1061,7 @@ static int cpu_cache_level__read(struct cpu_cache_level *cache, u32 cpu, u16 lev

scnprintf(file, PATH_MAX, "%s/shared_cpu_list", path); if (sysfs__read_str(file, &cache->map, &len)) { - zfree(&cache->map); + zfree(&cache->size); zfree(&cache->type); return -1; } diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 8394d48f8b32..3355c445abed 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -2329,6 +2329,7 @@ void clear_probe_trace_event(struct probe_trace_event *tev) } } zfree(&tev->args); + tev->nargs = 0; }

struct kprobe_blacklist_node { diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index db8a6cf336be..6ce66c272747 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -155,6 +155,15 @@ static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel) evsel->prev_raw_counts = NULL; }

+static void perf_evsel__reset_prev_raw_counts(struct perf_evsel *evsel) +{ + if (evsel->prev_raw_counts) { + evsel->prev_raw_counts->aggr.val = 0; + evsel->prev_raw_counts->aggr.ena = 0; + evsel->prev_raw_counts->aggr.run = 0; + } +} + static int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw) { int ncpus = perf_evsel__nr_cpus(evsel); @@ -205,6 +214,14 @@ void perf_evlist__reset_stats(struct perf_evlist *evlist) } }

+void perf_evlist__reset_prev_raw_counts(struct perf_evlist *evlist) +{ + struct perf_evsel *evsel; + + evlist__for_each_entry(evlist, evsel) + perf_evsel__reset_prev_raw_counts(evsel); +} + static void zero_per_pkg(struct perf_evsel *counter) { if (counter->per_pkg_mask) diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 7032dd1eeac2..9cd0d9cff374 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -194,6 +194,7 @@ void perf_stat__collect_metric_expr(struct perf_evlist *); int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw); void perf_evlist__free_stats(struct perf_evlist *evlist); void perf_evlist__reset_stats(struct perf_evlist *evlist); +void perf_evlist__reset_prev_raw_counts(struct perf_evlist *evlist);

int perf_stat_process_counter(struct perf_stat_config *config, struct perf_evsel *counter); diff --git a/tools/testing/nvdimm/test/nfit_test.h b/tools/testing/nvdimm/test/nfit_test.h index 448d686da8b1..0bf5640f1f07 100644 --- a/tools/testing/nvdimm/test/nfit_test.h +++ b/tools/testing/nvdimm/test/nfit_test.h @@ -4,6 +4,7 @@ */ #ifndef __NFIT_TEST_H__ #define __NFIT_TEST_H__ +#include <linux/acpi.h> #include <linux/list.h> #include <linux/uuid.h> #include <linux/ioport.h> @@ -202,9 +203,6 @@ struct nd_intel_lss { __u32 status; } __packed;

-union acpi_object; -typedef void *acpi_handle; - typedef struct nfit_test_resource *(*nfit_test_lookup_fn)(resource_size_t); typedef union acpi_object *(*nfit_test_evaluate_dsm_fn)(acpi_handle handle, const guid_t *guid, u64 rev, u64 func, diff --git a/tools/testing/selftests/bpf/progs/strobemeta.h b/tools/testing/selftests/bpf/progs/strobemeta.h index 8a399bdfd920..067eb625d01c 100644 --- a/tools/testing/selftests/bpf/progs/strobemeta.h +++ b/tools/testing/selftests/bpf/progs/strobemeta.h @@ -413,7 +413,10 @@ static __always_inline void *read_map_var(struct strobemeta_cfg *cfg, #else #pragma unroll #endif - for (int i = 0; i < STROBE_MAX_MAP_ENTRIES && i < map.cnt; ++i) { + for (int i = 0; i < STROBE_MAX_MAP_ENTRIES; ++i) { + if (i >= map.cnt) + break; + descr->key_lens[i] = 0; len = bpf_probe_read_str(payload, STROBE_MAX_STR_LEN, map.entries[i].key); diff --git a/tools/testing/selftests/pidfd/Makefile b/tools/testing/selftests/pidfd/Makefile index 720b2d884b3c..e86141796444 100644 --- a/tools/testing/selftests/pidfd/Makefile +++ b/tools/testing/selftests/pidfd/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only -CFLAGS += -g -I../../../../usr/include/ -lpthread +CFLAGS += -g -I../../../../usr/include/ -pthread

TEST_GEN_PROGS := pidfd_test pidfd_open_test

diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 6ef7f16c4cf5..7f8b5c8982e3 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -199,6 +199,11 @@ struct seccomp_notif_sizes { }; #endif

+#ifndef PTRACE_EVENTMSG_SYSCALL_ENTRY +#define PTRACE_EVENTMSG_SYSCALL_ENTRY 1 +#define PTRACE_EVENTMSG_SYSCALL_EXIT 2 +#endif + #ifndef seccomp int seccomp(unsigned int op, unsigned int flags, void *args) { diff --git a/tools/testing/selftests/tpm2/Makefile b/tools/testing/selftests/tpm2/Makefile index 9dd848427a7b..bf401f725eef 100644 --- a/tools/testing/selftests/tpm2/Makefile +++ b/tools/testing/selftests/tpm2/Makefile @@ -2,3 +2,4 @@ include ../lib.mk

TEST_PROGS := test_smoke.sh test_space.sh +TEST_FILES := tpm2.py tpm2_tests.py