Re: Linux 5.3.5

diff --git a/Makefile b/Makefile index fa11c1d89acf..bf03c110ed9b 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 3 -SUBLEVEL = 4 +SUBLEVEL = 5 EXTRAVERSION = NAME = Bobtail Squid

@@ -751,6 +751,11 @@ else # These warnings generated too much noise in a regular build. # Use make W=1 to enable them (see scripts/Makefile.extrawarn) KBUILD_CFLAGS += -Wno-unused-but-set-variable + +# Warn about unmarked fall-throughs in switch statement. +# Disabled for clang while comment to attribute conversion happens and +# https://github.com/ClangBuiltLinux/linux/issues/636 is discussed. +KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough,) endif

KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable) @@ -845,9 +850,6 @@ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) # warn about C99 declaration after statement KBUILD_CFLAGS += -Wdeclaration-after-statement

-# Warn about unmarked fall-throughs in switch statement. -KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough,) - # Variable Length Arrays (VLAs) should not be used anywhere in the kernel KBUILD_CFLAGS += -Wvla

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 24360211534a..b587a3b3939a 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -82,7 +82,7 @@ config ARM select HAVE_FAST_GUP if ARM_LPAE select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL && !CC_IS_CLANG - select HAVE_FUNCTION_TRACER if !XIP_KERNEL + select HAVE_FUNCTION_TRACER if !XIP_KERNEL && (CC_IS_GCC || CLANG_VERSION >= 100000) select HAVE_GCC_PLUGINS select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7) select HAVE_IDE if PCI || ISA || PCMCIA @@ -1572,8 +1572,9 @@ config ARM_PATCH_IDIV code to do integer division.

config AEABI - bool "Use the ARM EABI to compile the kernel" if !CPU_V7 && !CPU_V7M && !CPU_V6 && !CPU_V6K - default CPU_V7 || CPU_V7M || CPU_V6 || CPU_V6K + bool "Use the ARM EABI to compile the kernel" if !CPU_V7 && \ + !CPU_V7M && !CPU_V6 && !CPU_V6K && !CC_IS_CLANG + default CPU_V7 || CPU_V7M || CPU_V6 || CPU_V6K || CC_IS_CLANG help This option allows for the kernel to be compiled using the latest ARM ABI (aka EABI). This is only useful if you are using a user diff --git a/arch/arm/Makefile b/arch/arm/Makefile index c3624ca6c0bc..9b3d4deca9e4 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -112,6 +112,10 @@ ifeq ($(CONFIG_ARM_UNWIND),y) CFLAGS_ABI +=-funwind-tables endif

+ifeq ($(CONFIG_CC_IS_CLANG),y) +CFLAGS_ABI += -meabi gnu +endif + # Accept old syntax despite ".syntax unified" AFLAGS_NOWARN :=$(call as-option,-Wa$(comma)-mno-warn-deprecated,-Wa$(comma)-W)

diff --git a/arch/arm/boot/dts/gemini-dlink-dir-685.dts b/arch/arm/boot/dts/gemini-dlink-dir-685.dts index bfaa2de63a10..e2030ba16512 100644 --- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts +++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts @@ -72,7 +72,6 @@ reg = <0>; /* 50 ns min period = 20 MHz */ spi-max-frequency = <20000000>; - spi-cpol; /* Clock active low */ vcc-supply = <&vdisp>; iovcc-supply = <&vdisp>; vci-supply = <&vdisp>; diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 890eeaac3cbb..bd0f4821f7e1 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -191,7 +191,7 @@ static inline bool access_error(unsigned int fsr, struct vm_area_struct *vma) { unsigned int mask = VM_READ | VM_WRITE | VM_EXEC;

- if (fsr & FSR_WRITE) + if ((fsr & FSR_WRITE) && !(fsr & FSR_CM)) mask = VM_WRITE; if (fsr & FSR_LNX_PF) mask = VM_EXEC; @@ -262,7 +262,7 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)

if (user_mode(regs)) flags |= FAULT_FLAG_USER; - if (fsr & FSR_WRITE) + if ((fsr & FSR_WRITE) && !(fsr & FSR_CM)) flags |= FAULT_FLAG_WRITE;

/* diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h index c063708fa503..9ecc2097a87a 100644 --- a/arch/arm/mm/fault.h +++ b/arch/arm/mm/fault.h @@ -6,6 +6,7 @@ * Fault status register encodings. We steal bit 31 for our own purposes. */ #define FSR_LNX_PF (1 << 31) +#define FSR_CM (1 << 13) #define FSR_WRITE (1 << 11) #define FSR_FS4 (1 << 10) #define FSR_FS3_0 (15) diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c index f866870db749..0b94b674aa91 100644 --- a/arch/arm/mm/mmap.c +++ b/arch/arm/mm/mmap.c @@ -18,8 +18,9 @@ (((pgoff)<<PAGE_SHIFT) & (SHMLBA-1)))

/* gap between mmap and stack */ -#define MIN_GAP (128*1024*1024UL) -#define MAX_GAP ((TASK_SIZE)/6*5) +#define MIN_GAP (128*1024*1024UL) +#define MAX_GAP ((STACK_TOP)/6*5) +#define STACK_RND_MASK (0x7ff >> (PAGE_SHIFT - 12))

static int mmap_is_legacy(struct rlimit *rlim_stack) { @@ -35,13 +36,22 @@ static int mmap_is_legacy(struct rlimit *rlim_stack) static unsigned long mmap_base(unsigned long rnd, struct rlimit *rlim_stack) { unsigned long gap = rlim_stack->rlim_cur; + unsigned long pad = stack_guard_gap; + + /* Account for stack randomization if necessary */ + if (current->flags & PF_RANDOMIZE) + pad += (STACK_RND_MASK << PAGE_SHIFT); + + /* Values close to RLIM_INFINITY can overflow. */ + if (gap + pad > gap) + gap += pad;

if (gap < MIN_GAP) gap = MIN_GAP; else if (gap > MAX_GAP) gap = MAX_GAP;

- return PAGE_ALIGN(TASK_SIZE - gap - rnd); + return PAGE_ALIGN(STACK_TOP - gap - rnd); }

/* diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index d9a0038774a6..d5e0b908f0ba 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1177,6 +1177,22 @@ void __init adjust_lowmem_bounds(void) */ vmalloc_limit = (u64)(uintptr_t)vmalloc_min - PAGE_OFFSET + PHYS_OFFSET;

+ /* + * The first usable region must be PMD aligned. Mark its start + * as MEMBLOCK_NOMAP if it isn't + */ + for_each_memblock(memory, reg) { + if (!memblock_is_nomap(reg)) { + if (!IS_ALIGNED(reg->base, PMD_SIZE)) { + phys_addr_t len; + + len = round_up(reg->base, PMD_SIZE) - reg->base; + memblock_mark_nomap(reg->base, len); + } + break; + } + } + for_each_memblock(memory, reg) { phys_addr_t block_start = reg->base; phys_addr_t block_end = reg->base + reg->size; diff --git a/arch/arm64/include/asm/cmpxchg.h b/arch/arm64/include/asm/cmpxchg.h index 7a299a20f6dc..7a8b8bc69e8d 100644 --- a/arch/arm64/include/asm/cmpxchg.h +++ b/arch/arm64/include/asm/cmpxchg.h @@ -63,7 +63,7 @@ __XCHG_CASE( , , mb_, 64, dmb ish, nop, , a, l, "memory") #undef __XCHG_CASE

#define __XCHG_GEN(sfx) \ -static inline unsigned long __xchg##sfx(unsigned long x, \ +static __always_inline unsigned long __xchg##sfx(unsigned long x, \ volatile void *ptr, \ int size) \ { \ @@ -105,7 +105,7 @@ __XCHG_GEN(_mb) #define arch_xchg(...) __xchg_wrapper( _mb, __VA_ARGS__)

#define __CMPXCHG_GEN(sfx) \ -static inline unsigned long __cmpxchg##sfx(volatile void *ptr, \ +static __always_inline unsigned long __cmpxchg##sfx(volatile void *ptr, \ unsigned long old, \ unsigned long new, \ int size) \ @@ -212,7 +212,7 @@ __CMPWAIT_CASE( , , 64); #undef __CMPWAIT_CASE

#define __CMPWAIT_GEN(sfx) \ -static inline void __cmpwait##sfx(volatile void *ptr, \ +static __always_inline void __cmpwait##sfx(volatile void *ptr, \ unsigned long val, \ int size) \ { \ diff --git a/arch/arm64/mm/mmap.c b/arch/arm64/mm/mmap.c index b050641b5139..8dac7110f0cb 100644 --- a/arch/arm64/mm/mmap.c +++ b/arch/arm64/mm/mmap.c @@ -54,7 +54,11 @@ unsigned long arch_mmap_rnd(void) static unsigned long mmap_base(unsigned long rnd, struct rlimit *rlim_stack) { unsigned long gap = rlim_stack->rlim_cur; - unsigned long pad = (STACK_RND_MASK << PAGE_SHIFT) + stack_guard_gap; + unsigned long pad = stack_guard_gap; + + /* Account for stack randomization if necessary */ + if (current->flags & PF_RANDOMIZE) + pad += (STACK_RND_MASK << PAGE_SHIFT);

/* Values close to RLIM_INFINITY can overflow. */ if (gap + pad > gap) diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h index 9a82dd11c0e9..bb8658cc7f12 100644 --- a/arch/mips/include/asm/atomic.h +++ b/arch/mips/include/asm/atomic.h @@ -68,7 +68,7 @@ static __inline__ void atomic_##op(int i, atomic_t * v) \ "\t" __scbeqz " %0, 1b \n" \ " .set pop \n" \ : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ - : "Ir" (i)); \ + : "Ir" (i) : __LLSC_CLOBBER); \ } else { \ unsigned long flags; \ \ @@ -98,7 +98,7 @@ static __inline__ int atomic_##op##_return_relaxed(int i, atomic_t * v) \ " .set pop \n" \ : "=&r" (result), "=&r" (temp), \ "+" GCC_OFF_SMALL_ASM() (v->counter) \ - : "Ir" (i)); \ + : "Ir" (i) : __LLSC_CLOBBER); \ } else { \ unsigned long flags; \ \ @@ -132,7 +132,7 @@ static __inline__ int atomic_fetch_##op##_relaxed(int i, atomic_t * v) \ " move %0, %1 \n" \ : "=&r" (result), "=&r" (temp), \ "+" GCC_OFF_SMALL_ASM() (v->counter) \ - : "Ir" (i)); \ + : "Ir" (i) : __LLSC_CLOBBER); \ } else { \ unsigned long flags; \ \ @@ -193,6 +193,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) if (kernel_uses_llsc) { int temp;

+ loongson_llsc_mb(); __asm__ __volatile__( " .set push \n" " .set "MIPS_ISA_LEVEL" \n" @@ -200,16 +201,16 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) " .set pop \n" " subu %0, %1, %3 \n" " move %1, %0 \n" - " bltz %0, 1f \n" + " bltz %0, 2f \n" " .set push \n" " .set "MIPS_ISA_LEVEL" \n" " sc %1, %2 \n" "\t" __scbeqz " %1, 1b \n" - "1: \n" + "2: \n" " .set pop \n" : "=&r" (result), "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) - : "Ir" (i)); + : "Ir" (i) : __LLSC_CLOBBER); } else { unsigned long flags;

@@ -269,7 +270,7 @@ static __inline__ void atomic64_##op(s64 i, atomic64_t * v) \ "\t" __scbeqz " %0, 1b \n" \ " .set pop \n" \ : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ - : "Ir" (i)); \ + : "Ir" (i) : __LLSC_CLOBBER); \ } else { \ unsigned long flags; \ \ @@ -299,7 +300,7 @@ static __inline__ s64 atomic64_##op##_return_relaxed(s64 i, atomic64_t * v) \ " .set pop \n" \ : "=&r" (result), "=&r" (temp), \ "+" GCC_OFF_SMALL_ASM() (v->counter) \ - : "Ir" (i)); \ + : "Ir" (i) : __LLSC_CLOBBER); \ } else { \ unsigned long flags; \ \ @@ -333,7 +334,7 @@ static __inline__ s64 atomic64_fetch_##op##_relaxed(s64 i, atomic64_t * v) \ " .set pop \n" \ : "=&r" (result), "=&r" (temp), \ "+" GCC_OFF_SMALL_ASM() (v->counter) \ - : "Ir" (i)); \ + : "Ir" (i) : __LLSC_CLOBBER); \ } else { \ unsigned long flags; \ \ diff --git a/arch/mips/include/asm/barrier.h b/arch/mips/include/asm/barrier.h index b865e317a14f..9228f7386220 100644 --- a/arch/mips/include/asm/barrier.h +++ b/arch/mips/include/asm/barrier.h @@ -211,14 +211,22 @@ #define __smp_wmb() barrier() #endif

+/* + * When LL/SC does imply order, it must also be a compiler barrier to avoid the + * compiler from reordering where the CPU will not. When it does not imply + * order, the compiler is also free to reorder across the LL/SC loop and + * ordering will be done by smp_llsc_mb() and friends. + */ #if defined(CONFIG_WEAK_REORDERING_BEYOND_LLSC) && defined(CONFIG_SMP) #define __WEAK_LLSC_MB " sync \n" +#define smp_llsc_mb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory") +#define __LLSC_CLOBBER #else #define __WEAK_LLSC_MB " \n" +#define smp_llsc_mb() do { } while (0) +#define __LLSC_CLOBBER "memory" #endif

-#define smp_llsc_mb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory") - #ifdef CONFIG_CPU_CAVIUM_OCTEON #define smp_mb__before_llsc() smp_wmb() #define __smp_mb__before_llsc() __smp_wmb() @@ -238,36 +246,40 @@

/* * Some Loongson 3 CPUs have a bug wherein execution of a memory access (load, - * store or pref) in between an ll & sc can cause the sc instruction to + * store or prefetch) in between an LL & SC can cause the SC instruction to * erroneously succeed, breaking atomicity. Whilst it's unusual to write code * containing such sequences, this bug bites harder than we might otherwise * expect due to reordering & speculation: * - * 1) A memory access appearing prior to the ll in program order may actually - * be executed after the ll - this is the reordering case. + * 1) A memory access appearing prior to the LL in program order may actually + * be executed after the LL - this is the reordering case. * - * In order to avoid this we need to place a memory barrier (ie. a sync - * instruction) prior to every ll instruction, in between it & any earlier - * memory access instructions. Many of these cases are already covered by - * smp_mb__before_llsc() but for the remaining cases, typically ones in - * which multiple CPUs may operate on a memory location but ordering is not - * usually guaranteed, we use loongson_llsc_mb() below. + * In order to avoid this we need to place a memory barrier (ie. a SYNC + * instruction) prior to every LL instruction, in between it and any earlier + * memory access instructions. * * This reordering case is fixed by 3A R2 CPUs, ie. 3A2000 models and later. * - * 2) If a conditional branch exists between an ll & sc with a target outside - * of the ll-sc loop, for example an exit upon value mismatch in cmpxchg() + * 2) If a conditional branch exists between an LL & SC with a target outside + * of the LL-SC loop, for example an exit upon value mismatch in cmpxchg() * or similar, then misprediction of the branch may allow speculative - * execution of memory accesses from outside of the ll-sc loop. + * execution of memory accesses from outside of the LL-SC loop. * - * In order to avoid this we need a memory barrier (ie. a sync instruction) + * In order to avoid this we need a memory barrier (ie. a SYNC instruction) * at each affected branch target, for which we also use loongson_llsc_mb() * defined below. * * This case affects all current Loongson 3 CPUs. + * + * The above described cases cause an error in the cache coherence protocol; + * such that the Invalidate of a competing LL-SC goes 'missing' and SC + * erroneously observes its core still has Exclusive state and lets the SC + * proceed. + * + * Therefore the error only occurs on SMP systems. */ #ifdef CONFIG_CPU_LOONGSON3_WORKAROUNDS /* Loongson-3's LLSC workaround */ -#define loongson_llsc_mb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory") +#define loongson_llsc_mb() __asm__ __volatile__("sync" : : :"memory") #else #define loongson_llsc_mb() do { } while (0) #endif diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h index 9a466dde9b96..985d6a02f9ea 100644 --- a/arch/mips/include/asm/bitops.h +++ b/arch/mips/include/asm/bitops.h @@ -66,7 +66,8 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr) " beqzl %0, 1b \n" " .set pop \n" : "=&r" (temp), "=" GCC_OFF_SMALL_ASM() (*m) - : "ir" (1UL << bit), GCC_OFF_SMALL_ASM() (*m)); + : "ir" (1UL << bit), GCC_OFF_SMALL_ASM() (*m) + : __LLSC_CLOBBER); #if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) } else if (kernel_uses_llsc && __builtin_constant_p(bit)) { loongson_llsc_mb(); @@ -76,7 +77,8 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr) " " __INS "%0, %3, %2, 1 \n" " " __SC "%0, %1 \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m) - : "ir" (bit), "r" (~0)); + : "ir" (bit), "r" (~0) + : __LLSC_CLOBBER); } while (unlikely(!temp)); #endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */ } else if (kernel_uses_llsc) { @@ -90,7 +92,8 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr) " " __SC "%0, %1 \n" " .set pop \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m) - : "ir" (1UL << bit)); + : "ir" (1UL << bit) + : __LLSC_CLOBBER); } while (unlikely(!temp)); } else __mips_set_bit(nr, addr); @@ -122,7 +125,8 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) " beqzl %0, 1b \n" " .set pop \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m) - : "ir" (~(1UL << bit))); + : "ir" (~(1UL << bit)) + : __LLSC_CLOBBER); #if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) } else if (kernel_uses_llsc && __builtin_constant_p(bit)) { loongson_llsc_mb(); @@ -132,7 +136,8 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) " " __INS "%0, $0, %2, 1 \n" " " __SC "%0, %1 \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m) - : "ir" (bit)); + : "ir" (bit) + : __LLSC_CLOBBER); } while (unlikely(!temp)); #endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */ } else if (kernel_uses_llsc) { @@ -146,7 +151,8 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) " " __SC "%0, %1 \n" " .set pop \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m) - : "ir" (~(1UL << bit))); + : "ir" (~(1UL << bit)) + : __LLSC_CLOBBER); } while (unlikely(!temp)); } else __mips_clear_bit(nr, addr); @@ -192,7 +198,8 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr) " beqzl %0, 1b \n" " .set pop \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m) - : "ir" (1UL << bit)); + : "ir" (1UL << bit) + : __LLSC_CLOBBER); } else if (kernel_uses_llsc) { unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); unsigned long temp; @@ -207,7 +214,8 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr) " " __SC "%0, %1 \n" " .set pop \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m) - : "ir" (1UL << bit)); + : "ir" (1UL << bit) + : __LLSC_CLOBBER); } while (unlikely(!temp)); } else __mips_change_bit(nr, addr); @@ -244,11 +252,12 @@ static inline int test_and_set_bit(unsigned long nr, " .set pop \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res) : "r" (1UL << bit) - : "memory"); + : __LLSC_CLOBBER); } else if (kernel_uses_llsc) { unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); unsigned long temp;

+ loongson_llsc_mb(); do { __asm__ __volatile__( " .set push \n" @@ -259,7 +268,7 @@ static inline int test_and_set_bit(unsigned long nr, " .set pop \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res) : "r" (1UL << bit) - : "memory"); + : __LLSC_CLOBBER); } while (unlikely(!res));

res = temp & (1UL << bit); @@ -300,11 +309,12 @@ static inline int test_and_set_bit_lock(unsigned long nr, " .set pop \n" : "=&r" (temp), "+m" (*m), "=&r" (res) : "r" (1UL << bit) - : "memory"); + : __LLSC_CLOBBER); } else if (kernel_uses_llsc) { unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); unsigned long temp;

+ loongson_llsc_mb(); do { __asm__ __volatile__( " .set push \n" @@ -315,7 +325,7 @@ static inline int test_and_set_bit_lock(unsigned long nr, " .set pop \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res) : "r" (1UL << bit) - : "memory"); + : __LLSC_CLOBBER); } while (unlikely(!res));

res = temp & (1UL << bit); @@ -358,12 +368,13 @@ static inline int test_and_clear_bit(unsigned long nr, " .set pop \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res) : "r" (1UL << bit) - : "memory"); + : __LLSC_CLOBBER); #if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) } else if (kernel_uses_llsc && __builtin_constant_p(nr)) { unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); unsigned long temp;

+ loongson_llsc_mb(); do { __asm__ __volatile__( " " __LL "%0, %1 # test_and_clear_bit \n" @@ -372,13 +383,14 @@ static inline int test_and_clear_bit(unsigned long nr, " " __SC "%0, %1 \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res) : "ir" (bit) - : "memory"); + : __LLSC_CLOBBER); } while (unlikely(!temp)); #endif } else if (kernel_uses_llsc) { unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); unsigned long temp;

+ loongson_llsc_mb(); do { __asm__ __volatile__( " .set push \n" @@ -390,7 +402,7 @@ static inline int test_and_clear_bit(unsigned long nr, " .set pop \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res) : "r" (1UL << bit) - : "memory"); + : __LLSC_CLOBBER); } while (unlikely(!res));

res = temp & (1UL << bit); @@ -433,11 +445,12 @@ static inline int test_and_change_bit(unsigned long nr, " .set pop \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res) : "r" (1UL << bit) - : "memory"); + : __LLSC_CLOBBER); } else if (kernel_uses_llsc) { unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); unsigned long temp;

+ loongson_llsc_mb(); do { __asm__ __volatile__( " .set push \n" @@ -448,7 +461,7 @@ static inline int test_and_change_bit(unsigned long nr, " .set pop \n" : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res) : "r" (1UL << bit) - : "memory"); + : __LLSC_CLOBBER); } while (unlikely(!res));

res = temp & (1UL << bit); diff --git a/arch/mips/include/asm/cmpxchg.h b/arch/mips/include/asm/cmpxchg.h index f345a873742d..c8a47d18f628 100644 --- a/arch/mips/include/asm/cmpxchg.h +++ b/arch/mips/include/asm/cmpxchg.h @@ -46,6 +46,7 @@ extern unsigned long __xchg_called_with_bad_pointer(void) __typeof(*(m)) __ret; \ \ if (kernel_uses_llsc) { \ + loongson_llsc_mb(); \ __asm__ __volatile__( \ " .set push \n" \ " .set noat \n" \ @@ -60,7 +61,7 @@ extern unsigned long __xchg_called_with_bad_pointer(void) " .set pop \n" \ : "=&r" (__ret), "=" GCC_OFF_SMALL_ASM() (*m) \ : GCC_OFF_SMALL_ASM() (*m), "Jr" (val) \ - : "memory"); \ + : __LLSC_CLOBBER); \ } else { \ unsigned long __flags; \ \ @@ -117,6 +118,7 @@ static inline unsigned long __xchg(volatile void *ptr, unsigned long x, __typeof(*(m)) __ret; \ \ if (kernel_uses_llsc) { \ + loongson_llsc_mb(); \ __asm__ __volatile__( \ " .set push \n" \ " .set noat \n" \ @@ -132,8 +134,9 @@ static inline unsigned long __xchg(volatile void *ptr, unsigned long x, " .set pop \n" \ "2: \n" \ : "=&r" (__ret), "=" GCC_OFF_SMALL_ASM() (*m) \ - : GCC_OFF_SMALL_ASM() (*m), "Jr" (old), "Jr" (new) \ - : "memory"); \ + : GCC_OFF_SMALL_ASM() (*m), "Jr" (old), "Jr" (new) \ + : __LLSC_CLOBBER); \ + loongson_llsc_mb(); \ } else { \ unsigned long __flags; \ \ @@ -229,6 +232,7 @@ static inline unsigned long __cmpxchg64(volatile void *ptr, */ local_irq_save(flags);

+ loongson_llsc_mb(); asm volatile( " .set push \n" " .set " MIPS_ISA_ARCH_LEVEL " \n" @@ -274,6 +278,7 @@ static inline unsigned long __cmpxchg64(volatile void *ptr, "r" (old), "r" (new) : "memory"); + loongson_llsc_mb();

local_irq_restore(flags); return ret; diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 1e6966e8527e..bdbdc19a2b8f 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -689,6 +689,9 @@ #define MIPS_CONF7_IAR (_ULCAST_(1) << 10) #define MIPS_CONF7_AR (_ULCAST_(1) << 16)

+/* Ingenic Config7 bits */ +#define MIPS_CONF7_BTB_LOOP_EN (_ULCAST_(1) << 4) + /* Config7 Bits specific to MIPS Technologies. */

/* Performance counters implemented Per TC */ @@ -2813,6 +2816,7 @@ __BUILD_SET_C0(status) __BUILD_SET_C0(cause) __BUILD_SET_C0(config) __BUILD_SET_C0(config5) +__BUILD_SET_C0(config7) __BUILD_SET_C0(intcontrol) __BUILD_SET_C0(intctl) __BUILD_SET_C0(srsmap) diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c index 1db29957a931..2c38f75d87ff 100644 --- a/arch/mips/kernel/branch.c +++ b/arch/mips/kernel/branch.c @@ -58,6 +58,7 @@ int __mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, unsigned long *contpc) { union mips_instruction insn = (union mips_instruction)dec_insn.insn; + int __maybe_unused bc_false = 0;

if (!cpu_has_mmips) return 0; @@ -139,7 +140,6 @@ int __mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, #ifdef CONFIG_MIPS_FP_SUPPORT case mm_bc2f_op: case mm_bc1f_op: { - int bc_false = 0; unsigned int fcr31; unsigned int bit;

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 9635c1db3ae6..e654ffc1c8a0 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -1964,6 +1964,13 @@ static inline void cpu_probe_ingenic(struct cpuinfo_mips *c, unsigned int cpu) c->cputype = CPU_JZRISC; c->writecombine = _CACHE_UNCACHED_ACCELERATED; __cpu_name[cpu] = "Ingenic JZRISC"; + /* + * The XBurst core by default attempts to avoid branch target + * buffer lookups by detecting & special casing loops. This + * feature will cause BogoMIPS and lpj calculate in error. + * Set cp0 config7 bit 4 to disable this feature. + */ + set_c0_config7(MIPS_CONF7_BTB_LOOP_EN); break; default: panic("Unknown Ingenic Processor ID!"); diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index b6dc78ad5d8c..b0e25e913bdb 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -132,6 +132,7 @@ static inline int mips_atomic_set(unsigned long addr, unsigned long new) [efault] "i" (-EFAULT) : "memory"); } else if (cpu_has_llsc) { + loongson_llsc_mb(); __asm__ __volatile__ ( " .set push \n" " .set "MIPS_ISA_ARCH_LEVEL" \n" diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c index d79f2b432318..f5c778113384 100644 --- a/arch/mips/mm/mmap.c +++ b/arch/mips/mm/mmap.c @@ -21,8 +21,9 @@ unsigned long shm_align_mask = PAGE_SIZE - 1; /* Sane caches */ EXPORT_SYMBOL(shm_align_mask);

/* gap between mmap and stack */ -#define MIN_GAP (128*1024*1024UL) -#define MAX_GAP ((TASK_SIZE)/6*5) +#define MIN_GAP (128*1024*1024UL) +#define MAX_GAP ((TASK_SIZE)/6*5) +#define STACK_RND_MASK (0x7ff >> (PAGE_SHIFT - 12))

static int mmap_is_legacy(struct rlimit *rlim_stack) { @@ -38,6 +39,15 @@ static int mmap_is_legacy(struct rlimit *rlim_stack) static unsigned long mmap_base(unsigned long rnd, struct rlimit *rlim_stack) { unsigned long gap = rlim_stack->rlim_cur; + unsigned long pad = stack_guard_gap; + + /* Account for stack randomization if necessary */ + if (current->flags & PF_RANDOMIZE) + pad += (STACK_RND_MASK << PAGE_SHIFT); + + /* Values close to RLIM_INFINITY can overflow. */ + if (gap + pad > gap) + gap += pad;

if (gap < MIN_GAP) gap = MIN_GAP; diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 144ceb0fba88..bece1264d1c5 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -631,7 +631,7 @@ static __maybe_unused void build_convert_pte_to_entrylo(u32 **p, return; }

- if (cpu_has_rixi && _PAGE_NO_EXEC) { + if (cpu_has_rixi && !!_PAGE_NO_EXEC) { if (fill_includes_sw_bits) { UASM_i_ROTR(p, reg, reg, ilog2(_PAGE_GLOBAL)); } else { diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h index 3a6aa57b9d90..eea28ca679db 100644 --- a/arch/powerpc/include/asm/futex.h +++ b/arch/powerpc/include/asm/futex.h @@ -60,8 +60,7 @@ static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval,

pagefault_enable();

- if (!ret) - *oval = oldval; + *oval = oldval;

prevent_write_to_user(uaddr, sizeof(*uaddr)); return ret; diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 89623962c727..fe0c32fb9f96 100644 --- a/arch/powerpc/kernel/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -744,6 +744,33 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus, */ #define MAX_WAIT_FOR_RECOVERY 300

+ +/* Walks the PE tree after processing an event to remove any stale PEs. + * + * NB: This needs to be recursive to ensure the leaf PEs get removed + * before their parents do. Although this is possible to do recursively + * we don't since this is easier to read and we need to garantee + * the leaf nodes will be handled first. + */ +static void eeh_pe_cleanup(struct eeh_pe *pe) +{ + struct eeh_pe *child_pe, *tmp; + + list_for_each_entry_safe(child_pe, tmp, &pe->child_list, child) + eeh_pe_cleanup(child_pe); + + if (pe->state & EEH_PE_KEEP) + return; + + if (!(pe->state & EEH_PE_INVALID)) + return; + + if (list_empty(&pe->edevs) && list_empty(&pe->child_list)) { + list_del(&pe->child); + kfree(pe); + } +} + /** * eeh_handle_normal_event - Handle EEH events on a specific PE * @pe: EEH PE - which should not be used after we return, as it may @@ -782,8 +809,6 @@ void eeh_handle_normal_event(struct eeh_pe *pe) return; }

- eeh_pe_state_mark(pe, EEH_PE_RECOVERING); - eeh_pe_update_time_stamp(pe); pe->freeze_count++; if (pe->freeze_count > eeh_max_freezes) { @@ -793,6 +818,10 @@ void eeh_handle_normal_event(struct eeh_pe *pe) result = PCI_ERS_RESULT_DISCONNECT; }

+ eeh_for_each_pe(pe, tmp_pe) + eeh_pe_for_each_dev(tmp_pe, edev, tmp) + edev->mode &= ~EEH_DEV_NO_HANDLER; + /* Walk the various device drivers attached to this slot through * a reset sequence, giving each an opportunity to do what it needs * to accomplish the reset. Each child gets a report of the @@ -969,6 +998,12 @@ void eeh_handle_normal_event(struct eeh_pe *pe) return; } } + + /* + * Clean up any PEs without devices. While marked as EEH_PE_RECOVERYING + * we don't want to modify the PE tree structure so we do it here. + */ + eeh_pe_cleanup(pe); eeh_pe_state_clear(pe, EEH_PE_RECOVERING, true); }

@@ -981,7 +1016,8 @@ void eeh_handle_normal_event(struct eeh_pe *pe) */ void eeh_handle_special_event(void) { - struct eeh_pe *pe, *phb_pe; + struct eeh_pe *pe, *phb_pe, *tmp_pe; + struct eeh_dev *edev, *tmp_edev; struct pci_bus *bus; struct pci_controller *hose; unsigned long flags; @@ -1040,6 +1076,7 @@ void eeh_handle_special_event(void) */ if (rc == EEH_NEXT_ERR_FROZEN_PE || rc == EEH_NEXT_ERR_FENCED_PHB) { + eeh_pe_state_mark(pe, EEH_PE_RECOVERING); eeh_handle_normal_event(pe); } else { pci_lock_rescan_remove(); @@ -1050,6 +1087,10 @@ void eeh_handle_special_event(void) (phb_pe->state & EEH_PE_RECOVERING)) continue;

+ eeh_for_each_pe(pe, tmp_pe) + eeh_pe_for_each_dev(tmp_pe, edev, tmp_edev) + edev->mode &= ~EEH_DEV_NO_HANDLER; + /* Notify all devices to be down */ eeh_pe_state_clear(pe, EEH_PE_PRI_BUS, true); eeh_set_channel_state(pe, pci_channel_io_perm_failure); diff --git a/arch/powerpc/kernel/eeh_event.c b/arch/powerpc/kernel/eeh_event.c index 64cfbe41174b..e36653e5f76b 100644 --- a/arch/powerpc/kernel/eeh_event.c +++ b/arch/powerpc/kernel/eeh_event.c @@ -121,6 +121,14 @@ int __eeh_send_failure_event(struct eeh_pe *pe) } event->pe = pe;

+ /* + * Mark the PE as recovering before inserting it in the queue. + * This prevents the PE from being free()ed by a hotplug driver + * while the PE is sitting in the event queue. + */ + if (pe) + eeh_pe_state_mark(pe, EEH_PE_RECOVERING); + /* We may or may not be called in an interrupt context */ spin_lock_irqsave(&eeh_eventlist_lock, flags); list_add(&event->list, &eeh_eventlist); diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c index 854cef7b18f4..f0813d50e0b1 100644 --- a/arch/powerpc/kernel/eeh_pe.c +++ b/arch/powerpc/kernel/eeh_pe.c @@ -491,6 +491,7 @@ int eeh_add_to_parent_pe(struct eeh_dev *edev) int eeh_rmv_from_parent_pe(struct eeh_dev *edev) { struct eeh_pe *pe, *parent, *child; + bool keep, recover; int cnt; struct pci_dn *pdn = eeh_dev_to_pdn(edev);

@@ -516,10 +517,21 @@ int eeh_rmv_from_parent_pe(struct eeh_dev *edev) */ while (1) { parent = pe->parent; + + /* PHB PEs should never be removed */ if (pe->type & EEH_PE_PHB) break;

- if (!(pe->state & EEH_PE_KEEP)) { + /* + * XXX: KEEP is set while resetting a PE. I don't think it's + * ever set without RECOVERING also being set. I could + * be wrong though so catch that with a WARN. + */ + keep = !!(pe->state & EEH_PE_KEEP); + recover = !!(pe->state & EEH_PE_RECOVERING); + WARN_ON(keep && !recover); + + if (!keep && !recover) { if (list_empty(&pe->edevs) && list_empty(&pe->child_list)) { list_del(&pe->child); @@ -528,6 +540,15 @@ int eeh_rmv_from_parent_pe(struct eeh_dev *edev) break; } } else { + /* + * Mark the PE as invalid. At the end of the recovery + * process any invalid PEs will be garbage collected. + * + * We need to delay the free()ing of them since we can + * remove edev's while traversing the PE tree which + * might trigger the removal of a PE and we can't + * deal with that (yet). + */ if (list_empty(&pe->edevs)) { cnt = 0; list_for_each_entry(child, &pe->child_list, child) { diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 6ba3cc2ef8ab..36c8a3652cf3 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1211,6 +1211,10 @@ FTR_SECTION_ELSE ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE) 9: /* Deliver the machine check to host kernel in V mode. */ +BEGIN_FTR_SECTION + ld r10,ORIG_GPR3(r1) + mtspr SPRN_CFAR,r10 +END_FTR_SECTION_IFSET(CPU_FTR_CFAR) MACHINE_CHECK_HANDLER_WINDUP EXCEPTION_PROLOG_0 PACA_EXMC b machine_check_pSeries_0 diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 5faf0a64c92b..05824eb4323b 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -871,15 +871,17 @@ static int rtas_cpu_state_change_mask(enum rtas_cpu_state state, return 0;

for_each_cpu(cpu, cpus) { + struct device *dev = get_cpu_device(cpu); + switch (state) { case DOWN: - cpuret = cpu_down(cpu); + cpuret = device_offline(dev); break; case UP: - cpuret = cpu_up(cpu); + cpuret = device_online(dev); break; } - if (cpuret) { + if (cpuret < 0) { pr_debug("%s: cpu_%s for cpu#%d returned %d.\n", __func__, ((state == UP) ? "up" : "down"), @@ -968,6 +970,8 @@ int rtas_ibm_suspend_me(u64 handle) data.token = rtas_token("ibm,suspend-me"); data.complete = &done;

+ lock_device_hotplug(); + /* All present CPUs must be online */ cpumask_andnot(offline_mask, cpu_present_mask, cpu_online_mask); cpuret = rtas_online_cpus_mask(offline_mask); @@ -1006,6 +1010,7 @@ int rtas_ibm_suspend_me(u64 handle) __func__);

out: + unlock_device_hotplug(); free_cpumask_var(offline_mask); return atomic_read(&data.error); } diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 11caa0291254..82f43535e686 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -472,6 +472,7 @@ void system_reset_exception(struct pt_regs *regs) if (debugger(regs)) goto out;

+ kmsg_dump(KMSG_DUMP_OOPS); /* * A system reset is a request to dump, so we always send * it through the crashdump code (if fadump or kdump are diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index b4ca9e95e678..c5cc16ab1954 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -902,7 +902,7 @@ int __meminit radix__create_section_mapping(unsigned long start, unsigned long e return -1; }

- return create_physical_mapping(start, end, nid); + return create_physical_mapping(__pa(start), __pa(end), nid); }

int __meminit radix__remove_section_mapping(unsigned long start, unsigned long end) diff --git a/arch/powerpc/mm/ptdump/ptdump.c b/arch/powerpc/mm/ptdump/ptdump.c index 6a88a9f585d4..5d6111a9ee0e 100644 --- a/arch/powerpc/mm/ptdump/ptdump.c +++ b/arch/powerpc/mm/ptdump/ptdump.c @@ -299,17 +299,15 @@ static void walk_pud(struct pg_state *st, pgd_t *pgd, unsigned long start)

static void walk_pagetables(struct pg_state *st) { - pgd_t *pgd = pgd_offset_k(0UL); unsigned int i; - unsigned long addr; - - addr = st->start_address; + unsigned long addr = st->start_address & PGDIR_MASK; + pgd_t *pgd = pgd_offset_k(addr);

/* * Traverse the linux pagetable structure and dump pages that are in * the hash pagetable. */ - for (i = 0; i < PTRS_PER_PGD; i++, pgd++, addr += PGDIR_SIZE) { + for (i = pgd_index(addr); i < PTRS_PER_PGD; i++, pgd++, addr += PGDIR_SIZE) { if (!pgd_none(*pgd) && !pgd_is_leaf(*pgd)) /* pgd exists */ walk_pud(st, pgd, addr); diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index dea243185ea4..cb50a9e1fd2d 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -577,6 +577,7 @@ static int core_imc_mem_init(int cpu, int size) { int nid, rc = 0, core_id = (cpu / threads_per_core); struct imc_mem_info *mem_info; + struct page *page;

/* * alloc_pages_node() will allocate memory for core in the @@ -587,11 +588,12 @@ static int core_imc_mem_init(int cpu, int size) mem_info->id = core_id;

/* We need only vbase for core counters */ - mem_info->vbase = page_address(alloc_pages_node(nid, - GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE | - __GFP_NOWARN, get_order(size))); - if (!mem_info->vbase) + page = alloc_pages_node(nid, + GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE | + __GFP_NOWARN, get_order(size)); + if (!page) return -ENOMEM; + mem_info->vbase = page_address(page);

/* Init the mutex */ core_imc_refc[core_id].id = core_id; @@ -849,15 +851,17 @@ static int thread_imc_mem_alloc(int cpu_id, int size) int nid = cpu_to_node(cpu_id);

if (!local_mem) { + struct page *page; /* * This case could happen only once at start, since we dont * free the memory in cpu offline path. */ - local_mem = page_address(alloc_pages_node(nid, + page = alloc_pages_node(nid, GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE | - __GFP_NOWARN, get_order(size))); - if (!local_mem) + __GFP_NOWARN, get_order(size)); + if (!page) return -ENOMEM; + local_mem = page_address(page);

per_cpu(thread_imc_mem, cpu_id) = local_mem; } @@ -1095,11 +1099,14 @@ static int trace_imc_mem_alloc(int cpu_id, int size) int core_id = (cpu_id / threads_per_core);

if (!local_mem) { - local_mem = page_address(alloc_pages_node(phys_id, - GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE | - __GFP_NOWARN, get_order(size))); - if (!local_mem) + struct page *page; + + page = alloc_pages_node(phys_id, + GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE | + __GFP_NOWARN, get_order(size)); + if (!page) return -ENOMEM; + local_mem = page_address(page); per_cpu(trace_imc_mem, cpu_id) = local_mem;

/* Initialise the counters for trace mode */ diff --git a/arch/powerpc/platforms/powernv/pci-ioda-tce.c b/arch/powerpc/platforms/powernv/pci-ioda-tce.c index e28f03e1eb5e..c75ec37bf0cd 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda-tce.c +++ b/arch/powerpc/platforms/powernv/pci-ioda-tce.c @@ -36,7 +36,8 @@ static __be64 *pnv_alloc_tce_level(int nid, unsigned int shift) struct page *tce_mem = NULL; __be64 *addr;

- tce_mem = alloc_pages_node(nid, GFP_KERNEL, shift - PAGE_SHIFT); + tce_mem = alloc_pages_node(nid, GFP_ATOMIC | __GFP_NOWARN, + shift - PAGE_SHIFT); if (!tce_mem) { pr_err("Failed to allocate a TCE memory, level shift=%d\n", shift); @@ -161,6 +162,9 @@ void pnv_tce_free(struct iommu_table *tbl, long index, long npages)

if (ptce) *ptce = cpu_to_be64(0); + else + /* Skip the rest of the level */ + i |= tbl->it_level_size - 1; } }

@@ -260,7 +264,6 @@ long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, unsigned int table_shift = max_t(unsigned int, entries_shift + 3, PAGE_SHIFT); const unsigned long tce_table_size = 1UL << table_shift; - unsigned int tmplevels = levels;

if (!levels || (levels > POWERNV_IOMMU_MAX_LEVELS)) return -EINVAL; @@ -268,9 +271,6 @@ long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, if (!is_power_of_2(window_size)) return -EINVAL;

- if (alloc_userspace_copy && (window_size > (1ULL << 32))) - tmplevels = 1; - /* Adjust direct table size from window_size and levels */ entries_shift = (entries_shift + levels - 1) / levels; level_shift = entries_shift + 3; @@ -281,7 +281,7 @@ long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset,

/* Allocate TCE table */ addr = pnv_pci_ioda2_table_do_alloc_pages(nid, level_shift, - tmplevels, tce_table_size, &offset, &total_allocated); + 1, tce_table_size, &offset, &total_allocated);

/* addr==NULL means that the first level allocation failed */ if (!addr) @@ -292,18 +292,18 @@ long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, * we did not allocate as much as we wanted, * release partially allocated table. */ - if (tmplevels == levels && offset < tce_table_size) + if (levels == 1 && offset < tce_table_size) goto free_tces_exit;

/* Allocate userspace view of the TCE table */ if (alloc_userspace_copy) { offset = 0; uas = pnv_pci_ioda2_table_do_alloc_pages(nid, level_shift, - tmplevels, tce_table_size, &offset, + 1, tce_table_size, &offset, &total_allocated_uas); if (!uas) goto free_tces_exit; - if (tmplevels == levels && (offset < tce_table_size || + if (levels == 1 && (offset < tce_table_size || total_allocated_uas != total_allocated)) goto free_uas_exit; } @@ -318,7 +318,7 @@ long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset,

pr_debug("Created TCE table: ws=%08llx ts=%lx @%08llx base=%lx uas=%p levels=%d/%d\n", window_size, tce_table_size, bus_offset, tbl->it_base, - tbl->it_userspace, tmplevels, levels); + tbl->it_userspace, 1, levels);

return 0;

diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h index 469c24463247..f914f0b14e4e 100644 --- a/arch/powerpc/platforms/powernv/pci.h +++ b/arch/powerpc/platforms/powernv/pci.h @@ -219,7 +219,7 @@ extern struct iommu_table_group *pnv_npu_compound_attach( struct pnv_ioda_pe *pe);

/* pci-ioda-tce.c */ -#define POWERNV_IOMMU_DEFAULT_LEVELS 1 +#define POWERNV_IOMMU_DEFAULT_LEVELS 2 #define POWERNV_IOMMU_MAX_LEVELS 5

extern int pnv_tce_build(struct iommu_table *tbl, long index, long npages, diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c index fe812bebdf5e..b571285f6c14 100644 --- a/arch/powerpc/platforms/pseries/mobility.c +++ b/arch/powerpc/platforms/pseries/mobility.c @@ -9,6 +9,7 @@ #include <linux/cpu.h> #include <linux/kernel.h> #include <linux/kobject.h> +#include <linux/sched.h> #include <linux/smp.h> #include <linux/stat.h> #include <linux/completion.h> @@ -207,7 +208,11 @@ static int update_dt_node(__be32 phandle, s32 scope)

prop_data += vd; } + + cond_resched(); } + + cond_resched(); } while (rtas_rc == 1);

of_node_put(dn); @@ -310,8 +315,12 @@ int pseries_devicetree_update(s32 scope) add_dt_node(phandle, drc_index); break; } + + cond_resched(); } } + + cond_resched(); } while (rc == 1);

kfree(rtas_buf); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index f5940cc71c37..63462e96cf0e 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -316,6 +316,9 @@ static void pseries_lpar_idle(void) * low power mode by ceding processor to hypervisor */

+ if (!prep_irq_for_idle()) + return; + /* Indicate to hypervisor that we are idle. */ get_lppaca()->idle = 1;

diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 14e56c25879f..25d4adccf750 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -2534,13 +2534,16 @@ static void dump_pacas(void) static void dump_one_xive(int cpu) { unsigned int hwid = get_hard_smp_processor_id(cpu); - - opal_xive_dump(XIVE_DUMP_TM_HYP, hwid); - opal_xive_dump(XIVE_DUMP_TM_POOL, hwid); - opal_xive_dump(XIVE_DUMP_TM_OS, hwid); - opal_xive_dump(XIVE_DUMP_TM_USER, hwid); - opal_xive_dump(XIVE_DUMP_VP, hwid); - opal_xive_dump(XIVE_DUMP_EMU_STATE, hwid); + bool hv = cpu_has_feature(CPU_FTR_HVMODE); + + if (hv) { + opal_xive_dump(XIVE_DUMP_TM_HYP, hwid); + opal_xive_dump(XIVE_DUMP_TM_POOL, hwid); + opal_xive_dump(XIVE_DUMP_TM_OS, hwid); + opal_xive_dump(XIVE_DUMP_TM_USER, hwid); + opal_xive_dump(XIVE_DUMP_VP, hwid); + opal_xive_dump(XIVE_DUMP_EMU_STATE, hwid); + }

if (setjmp(bus_error_jmp) != 0) { catch_memory_errors = 0; diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index ccad1398abd4..b5cfcad953c2 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -269,7 +269,7 @@ static int hypfs_show_options(struct seq_file *s, struct dentry *root) static int hypfs_fill_super(struct super_block *sb, void *data, int silent) { struct inode *root_inode; - struct dentry *root_dentry; + struct dentry *root_dentry, *update_file; int rc = 0; struct hypfs_sb_info *sbi;

@@ -300,9 +300,10 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent) rc = hypfs_diag_create_files(root_dentry); if (rc) return rc; - sbi->update_file = hypfs_create_update_file(root_dentry); - if (IS_ERR(sbi->update_file)) - return PTR_ERR(sbi->update_file); + update_file = hypfs_create_update_file(root_dentry); + if (IS_ERR(update_file)) + return PTR_ERR(update_file); + sbi->update_file = update_file; hypfs_update_update(sb); pr_info("Hypervisor filesystem mounted\n"); return 0; diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index fff790a3f4ee..c0867b0aae3e 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -645,7 +645,9 @@ static int stimer_notify_direct(struct kvm_vcpu_hv_stimer *stimer) .vector = stimer->config.apic_vector };

- return !kvm_apic_set_irq(vcpu, &irq, NULL); + if (lapic_in_kernel(vcpu)) + return !kvm_apic_set_irq(vcpu, &irq, NULL); + return 0; }

static void stimer_expiration(struct kvm_vcpu_hv_stimer *stimer) @@ -1852,7 +1854,13 @@ int kvm_vcpu_ioctl_get_hv_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid2 *cpuid,

ent->edx |= HV_FEATURE_FREQUENCY_MSRS_AVAILABLE; ent->edx |= HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE; - ent->edx |= HV_STIMER_DIRECT_MODE_AVAILABLE; + + /* + * Direct Synthetic timers only make sense with in-kernel + * LAPIC + */ + if (lapic_in_kernel(vcpu)) + ent->edx |= HV_STIMER_DIRECT_MODE_AVAILABLE;

break;

diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index b33be928d164..70bcbd02edcb 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -5809,12 +5809,14 @@ static void bfq_update_inject_limit(struct bfq_data *bfqd, */ if ((bfqq->last_serv_time_ns == 0 && bfqd->rq_in_driver == 1) || tot_time_ns < bfqq->last_serv_time_ns) { + if (bfqq->last_serv_time_ns == 0) { + /* + * Now we certainly have a base value: make sure we + * start trying injection. + */ + bfqq->inject_limit = max_t(unsigned int, 1, old_limit); + } bfqq->last_serv_time_ns = tot_time_ns; - /* - * Now we certainly have a base value: make sure we - * start trying injection. - */ - bfqq->inject_limit = max_t(unsigned int, 1, old_limit); } else if (!bfqd->rqs_injected && bfqd->rq_in_driver == 1) /* * No I/O injected and no request still in service in diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 024060165afa..76457003f140 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -2594,7 +2594,6 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev) if (ret) return ret; if (!blk_queue_scsi_passthrough(bdev_get_queue(bdev))) { - WARN_ONCE(true, "Attempt to register a non-SCSI queue\n"); blkdev_put(bdev, FMODE_READ | FMODE_NDELAY); return -EINVAL; } diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index da5b6723329a..28693dbcb0c3 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -221,6 +221,9 @@ struct smi_info { */ bool irq_enable_broken;

+ /* Is the driver in maintenance mode? */ + bool in_maintenance_mode; + /* * Did we get an attention that we did not handle? */ @@ -1007,11 +1010,20 @@ static int ipmi_thread(void *data) spin_unlock_irqrestore(&(smi_info->si_lock), flags); busy_wait = ipmi_thread_busy_wait(smi_result, smi_info, &busy_until); - if (smi_result == SI_SM_CALL_WITHOUT_DELAY) + if (smi_result == SI_SM_CALL_WITHOUT_DELAY) { ; /* do nothing */ - else if (smi_result == SI_SM_CALL_WITH_DELAY && busy_wait) - schedule(); - else if (smi_result == SI_SM_IDLE) { + } else if (smi_result == SI_SM_CALL_WITH_DELAY && busy_wait) { + /* + * In maintenance mode we run as fast as + * possible to allow firmware updates to + * complete as fast as possible, but normally + * don't bang on the scheduler. + */ + if (smi_info->in_maintenance_mode) + schedule(); + else + usleep_range(100, 200); + } else if (smi_result == SI_SM_IDLE) { if (atomic_read(&smi_info->need_watch)) { schedule_timeout_interruptible(100); } else { @@ -1019,8 +1031,9 @@ static int ipmi_thread(void *data) __set_current_state(TASK_INTERRUPTIBLE); schedule(); } - } else + } else { schedule_timeout_interruptible(1); + } } return 0; } @@ -1198,6 +1211,7 @@ static void set_maintenance_mode(void *send_info, bool enable)

if (!enable) atomic_set(&smi_info->req_events, 0); + smi_info->in_maintenance_mode = enable; }

static void shutdown_smi(void *send_info); diff --git a/drivers/clk/actions/owl-common.c b/drivers/clk/actions/owl-common.c index 32dd29e0a37e..4de97cc7cb54 100644 --- a/drivers/clk/actions/owl-common.c +++ b/drivers/clk/actions/owl-common.c @@ -68,16 +68,17 @@ int owl_clk_probe(struct device *dev, struct clk_hw_onecell_data *hw_clks) struct clk_hw *hw;

for (i = 0; i < hw_clks->num; i++) { + const char *name;

hw = hw_clks->hws[i]; - if (IS_ERR_OR_NULL(hw)) continue;

+ name = hw->init->name; ret = devm_clk_hw_register(dev, hw); if (ret) { dev_err(dev, "Couldn't register clock %d - %s\n", - i, hw->init->name); + i, name); return ret; } } diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c index f607ee702c83..311cea0c3ae2 100644 --- a/drivers/clk/at91/clk-main.c +++ b/drivers/clk/at91/clk-main.c @@ -21,6 +21,10 @@

#define MOR_KEY_MASK (0xff << 16)

+#define clk_main_parent_select(s) (((s) & \ + (AT91_PMC_MOSCEN | \ + AT91_PMC_OSCBYPASS)) ? 1 : 0) + struct clk_main_osc { struct clk_hw hw; struct regmap *regmap; @@ -113,7 +117,7 @@ static int clk_main_osc_is_prepared(struct clk_hw *hw)

regmap_read(regmap, AT91_PMC_SR, &status);

- return (status & AT91_PMC_MOSCS) && (tmp & AT91_PMC_MOSCEN); + return (status & AT91_PMC_MOSCS) && clk_main_parent_select(tmp); }

static const struct clk_ops main_osc_ops = { @@ -450,7 +454,7 @@ static u8 clk_sam9x5_main_get_parent(struct clk_hw *hw)

regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status);

- return status & AT91_PMC_MOSCEN ? 1 : 0; + return clk_main_parent_select(status); }

static const struct clk_ops sam9x5_main_ops = { @@ -492,7 +496,7 @@ at91_clk_register_sam9x5_main(struct regmap *regmap, clkmain->hw.init = &init; clkmain->regmap = regmap; regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status); - clkmain->parent = status & AT91_PMC_MOSCEN ? 1 : 0; + clkmain->parent = clk_main_parent_select(status);

hw = &clkmain->hw; ret = clk_hw_register(NULL, &clkmain->hw); diff --git a/drivers/clk/clk-bulk.c b/drivers/clk/clk-bulk.c index 524bf9a53098..e9e16425c739 100644 --- a/drivers/clk/clk-bulk.c +++ b/drivers/clk/clk-bulk.c @@ -18,10 +18,13 @@ static int __must_check of_clk_bulk_get(struct device_node *np, int num_clks, int ret; int i;

- for (i = 0; i < num_clks; i++) + for (i = 0; i < num_clks; i++) { + clks[i].id = NULL; clks[i].clk = NULL; + }

for (i = 0; i < num_clks; i++) { + of_property_read_string_index(np, "clock-names", i, &clks[i].id); clks[i].clk = of_clk_get(np, i); if (IS_ERR(clks[i].clk)) { ret = PTR_ERR(clks[i].clk); diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c index 07f3b252f3e0..bed140f7375f 100644 --- a/drivers/clk/clk-qoriq.c +++ b/drivers/clk/clk-qoriq.c @@ -686,7 +686,7 @@ static const struct clockgen_chipinfo chipinfo[] = { .guts_compat = "fsl,qoriq-device-config-1.0", .init_periph = p5020_init_periph, .cmux_groups = { - &p2041_cmux_grp1, &p2041_cmux_grp2 + &p5020_cmux_grp1, &p5020_cmux_grp2 }, .cmux_to_group = { 0, 1, -1 diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c index d407a07e7e6d..e07c69afc359 100644 --- a/drivers/clk/imx/clk-imx8mq.c +++ b/drivers/clk/imx/clk-imx8mq.c @@ -406,7 +406,8 @@ static int imx8mq_clocks_probe(struct platform_device *pdev) clks[IMX8MQ_CLK_NOC_APB] = imx8m_clk_composite_critical("noc_apb", imx8mq_noc_apb_sels, base + 0x8d80);

/* AHB */ - clks[IMX8MQ_CLK_AHB] = imx8m_clk_composite("ahb", imx8mq_ahb_sels, base + 0x9000); + /* AHB clock is used by the AHB bus therefore marked as critical */ + clks[IMX8MQ_CLK_AHB] = imx8m_clk_composite_critical("ahb", imx8mq_ahb_sels, base + 0x9000); clks[IMX8MQ_CLK_AUDIO_AHB] = imx8m_clk_composite("audio_ahb", imx8mq_audio_ahb_sels, base + 0x9100);

/* IPG */ diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c index b7213023b238..7a815ec76aa5 100644 --- a/drivers/clk/imx/clk-pll14xx.c +++ b/drivers/clk/imx/clk-pll14xx.c @@ -191,6 +191,10 @@ static int clk_pll1416x_set_rate(struct clk_hw *hw, unsigned long drate, tmp &= ~RST_MASK; writel_relaxed(tmp, pll->base);

+ /* Enable BYPASS */ + tmp |= BYPASS_MASK; + writel(tmp, pll->base); + div_val = (rate->mdiv << MDIV_SHIFT) | (rate->pdiv << PDIV_SHIFT) | (rate->sdiv << SDIV_SHIFT); writel_relaxed(div_val, pll->base + 0x4); @@ -250,6 +254,10 @@ static int clk_pll1443x_set_rate(struct clk_hw *hw, unsigned long drate, tmp &= ~RST_MASK; writel_relaxed(tmp, pll->base);

+ /* Enable BYPASS */ + tmp |= BYPASS_MASK; + writel_relaxed(tmp, pll->base); + div_val = (rate->mdiv << MDIV_SHIFT) | (rate->pdiv << PDIV_SHIFT) | (rate->sdiv << SDIV_SHIFT); writel_relaxed(div_val, pll->base + 0x4); @@ -283,16 +291,28 @@ static int clk_pll14xx_prepare(struct clk_hw *hw) { struct clk_pll14xx *pll = to_clk_pll14xx(hw); u32 val; + int ret;

/* * RESETB = 1 from 0, PLL starts its normal * operation after lock time */ val = readl_relaxed(pll->base + GNRL_CTL); + if (val & RST_MASK) + return 0; + val |= BYPASS_MASK; + writel_relaxed(val, pll->base + GNRL_CTL); val |= RST_MASK; writel_relaxed(val, pll->base + GNRL_CTL);

- return clk_pll14xx_wait_lock(pll); + ret = clk_pll14xx_wait_lock(pll); + if (ret) + return ret; + + val &= ~BYPASS_MASK; + writel_relaxed(val, pll->base + GNRL_CTL); + + return 0; }

static int clk_pll14xx_is_prepared(struct clk_hw *hw) @@ -348,6 +368,7 @@ struct clk *imx_clk_pll14xx(const char *name, const char *parent_name, struct clk_pll14xx *pll; struct clk *clk; struct clk_init_data init; + u32 val;

pll = kzalloc(sizeof(*pll), GFP_KERNEL); if (!pll) @@ -379,6 +400,10 @@ struct clk *imx_clk_pll14xx(const char *name, const char *parent_name, pll->rate_table = pll_clk->rate_table; pll->rate_count = pll_clk->rate_count;

+ val = readl_relaxed(pll->base + GNRL_CTL); + val &= ~BYPASS_MASK; + writel_relaxed(val, pll->base + GNRL_CTL); + clk = clk_register(NULL, &pll->hw); if (IS_ERR(clk)) { pr_err("%s: failed to register pll %s %lu\n", diff --git a/drivers/clk/ingenic/jz4740-cgu.c b/drivers/clk/ingenic/jz4740-cgu.c index 4c0a20949c2c..9b27d75d9485 100644 --- a/drivers/clk/ingenic/jz4740-cgu.c +++ b/drivers/clk/ingenic/jz4740-cgu.c @@ -53,6 +53,10 @@ static const u8 jz4740_cgu_cpccr_div_table[] = { 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, };

+static const u8 jz4740_cgu_pll_half_div_table[] = { + 2, 1, +}; + static const struct ingenic_cgu_clk_info jz4740_cgu_clocks[] = {

/* External clocks */ @@ -86,7 +90,10 @@ static const struct ingenic_cgu_clk_info jz4740_cgu_clocks[] = { [JZ4740_CLK_PLL_HALF] = { "pll half", CGU_CLK_DIV, .parents = { JZ4740_CLK_PLL, -1, -1, -1 }, - .div = { CGU_REG_CPCCR, 21, 1, 1, -1, -1, -1 }, + .div = { + CGU_REG_CPCCR, 21, 1, 1, -1, -1, -1, + jz4740_cgu_pll_half_div_table, + }, },

[JZ4740_CLK_CCLK] = { diff --git a/drivers/clk/meson/axg-audio.c b/drivers/clk/meson/axg-audio.c index 8028ff6f6610..db0b73d53551 100644 --- a/drivers/clk/meson/axg-audio.c +++ b/drivers/clk/meson/axg-audio.c @@ -992,15 +992,18 @@ static int axg_audio_clkc_probe(struct platform_device *pdev)

/* Take care to skip the registered input clocks */ for (i = AUD_CLKID_DDR_ARB; i < data->hw_onecell_data->num; i++) { + const char *name; + hw = data->hw_onecell_data->hws[i]; /* array might be sparse */ if (!hw) continue;

+ name = hw->init->name; + ret = devm_clk_hw_register(dev, hw); if (ret) { - dev_err(dev, "failed to register clock %s\n", - hw->init->name); + dev_err(dev, "failed to register clock %s\n", name); return ret; } } diff --git a/drivers/clk/qcom/gcc-sdm845.c b/drivers/clk/qcom/gcc-sdm845.c index 7131dcf9b060..95be125c3bdd 100644 --- a/drivers/clk/qcom/gcc-sdm845.c +++ b/drivers/clk/qcom/gcc-sdm845.c @@ -685,7 +685,7 @@ static struct clk_rcg2 gcc_sdcc2_apps_clk_src = { .name = "gcc_sdcc2_apps_clk_src", .parent_names = gcc_parent_names_10, .num_parents = 5, - .ops = &clk_rcg2_ops, + .ops = &clk_rcg2_floor_ops, }, };

@@ -709,7 +709,7 @@ static struct clk_rcg2 gcc_sdcc4_apps_clk_src = { .name = "gcc_sdcc4_apps_clk_src", .parent_names = gcc_parent_names_0, .num_parents = 4, - .ops = &clk_rcg2_ops, + .ops = &clk_rcg2_floor_ops, }, };

diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c index 2db9093546c6..e326e6dc09fc 100644 --- a/drivers/clk/renesas/clk-mstp.c +++ b/drivers/clk/renesas/clk-mstp.c @@ -334,7 +334,8 @@ void __init cpg_mstp_add_clk_domain(struct device_node *np) return;

pd->name = np->name; - pd->flags = GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP; + pd->flags = GENPD_FLAG_PM_CLK | GENPD_FLAG_ALWAYS_ON | + GENPD_FLAG_ACTIVE_WAKEUP; pd->attach_dev = cpg_mstp_attach_dev; pd->detach_dev = cpg_mstp_detach_dev; pm_genpd_init(pd, &pm_domain_always_on_gov, false); diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index d4075b130674..132cc96895e3 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -551,7 +551,8 @@ static int __init cpg_mssr_add_clk_domain(struct device *dev,

genpd = &pd->genpd; genpd->name = np->name; - genpd->flags = GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP; + genpd->flags = GENPD_FLAG_PM_CLK | GENPD_FLAG_ALWAYS_ON | + GENPD_FLAG_ACTIVE_WAKEUP; genpd->attach_dev = cpg_mssr_attach_dev; genpd->detach_dev = cpg_mssr_detach_dev; pm_genpd_init(genpd, &pm_domain_always_on_gov, false); diff --git a/drivers/clk/sirf/clk-common.c b/drivers/clk/sirf/clk-common.c index ad7951b6b285..dcf4e25a0216 100644 --- a/drivers/clk/sirf/clk-common.c +++ b/drivers/clk/sirf/clk-common.c @@ -297,9 +297,10 @@ static u8 dmn_clk_get_parent(struct clk_hw *hw) { struct clk_dmn *clk = to_dmnclk(hw); u32 cfg = clkc_readl(clk->regofs); + const char *name = clk_hw_get_name(hw);

/* parent of io domain can only be pll3 */ - if (strcmp(hw->init->name, "io") == 0) + if (strcmp(name, "io") == 0) return 4;

WARN_ON((cfg & (BIT(3) - 1)) > 4); @@ -311,9 +312,10 @@ static int dmn_clk_set_parent(struct clk_hw *hw, u8 parent) { struct clk_dmn *clk = to_dmnclk(hw); u32 cfg = clkc_readl(clk->regofs); + const char *name = clk_hw_get_name(hw);

/* parent of io domain can only be pll3 */ - if (strcmp(hw->init->name, "io") == 0) + if (strcmp(name, "io") == 0) return -EINVAL;

cfg &= ~(BIT(3) - 1); @@ -353,7 +355,8 @@ static long dmn_clk_round_rate(struct clk_hw *hw, unsigned long rate, { unsigned long fin; unsigned ratio, wait, hold; - unsigned bits = (strcmp(hw->init->name, "mem") == 0) ? 3 : 4; + const char *name = clk_hw_get_name(hw); + unsigned bits = (strcmp(name, "mem") == 0) ? 3 : 4;

fin = *parent_rate; ratio = fin / rate; @@ -375,7 +378,8 @@ static int dmn_clk_set_rate(struct clk_hw *hw, unsigned long rate, struct clk_dmn *clk = to_dmnclk(hw); unsigned long fin; unsigned ratio, wait, hold, reg; - unsigned bits = (strcmp(hw->init->name, "mem") == 0) ? 3 : 4; + const char *name = clk_hw_get_name(hw); + unsigned bits = (strcmp(name, "mem") == 0) ? 3 : 4;

fin = parent_rate; ratio = fin / rate; diff --git a/drivers/clk/sprd/common.c b/drivers/clk/sprd/common.c index a5bdca1de5d0..9d56eac43832 100644 --- a/drivers/clk/sprd/common.c +++ b/drivers/clk/sprd/common.c @@ -76,16 +76,17 @@ int sprd_clk_probe(struct device *dev, struct clk_hw_onecell_data *clkhw) struct clk_hw *hw;

for (i = 0; i < clkhw->num; i++) { + const char *name;

hw = clkhw->hws[i]; - if (!hw) continue;

+ name = hw->init->name; ret = devm_clk_hw_register(dev, hw); if (ret) { dev_err(dev, "Couldn't register clock %d - %s\n", - i, hw->init->name); + i, name); return ret; } } diff --git a/drivers/clk/sprd/pll.c b/drivers/clk/sprd/pll.c index 36b4402bf09e..640270f51aa5 100644 --- a/drivers/clk/sprd/pll.c +++ b/drivers/clk/sprd/pll.c @@ -136,6 +136,7 @@ static unsigned long _sprd_pll_recalc_rate(const struct sprd_pll *pll, k2 + refin * nint * CLK_PLL_1M; }

+ kfree(cfg); return rate; }

@@ -222,6 +223,7 @@ static int _sprd_pll_set_rate(const struct sprd_pll *pll, if (!ret) udelay(pll->udelay);

+ kfree(cfg); return ret; }

diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c index 9b3939fc7faa..5ca4d34b4094 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c @@ -502,6 +502,9 @@ static struct clk_hw_onecell_data sun8i_v3s_hw_clks = { [CLK_MMC1] = &mmc1_clk.common.hw, [CLK_MMC1_SAMPLE] = &mmc1_sample_clk.common.hw, [CLK_MMC1_OUTPUT] = &mmc1_output_clk.common.hw, + [CLK_MMC2] = &mmc2_clk.common.hw, + [CLK_MMC2_SAMPLE] = &mmc2_sample_clk.common.hw, + [CLK_MMC2_OUTPUT] = &mmc2_output_clk.common.hw, [CLK_CE] = &ce_clk.common.hw, [CLK_SPI0] = &spi0_clk.common.hw, [CLK_USB_PHY0] = &usb_phy0_clk.common.hw, diff --git a/drivers/clk/sunxi-ng/ccu_common.c b/drivers/clk/sunxi-ng/ccu_common.c index 7fe3ac980e5f..2e20e650b6c0 100644 --- a/drivers/clk/sunxi-ng/ccu_common.c +++ b/drivers/clk/sunxi-ng/ccu_common.c @@ -97,14 +97,15 @@ int sunxi_ccu_probe(struct device_node *node, void __iomem *reg,

for (i = 0; i < desc->hw_clks->num ; i++) { struct clk_hw *hw = desc->hw_clks->hws[i]; + const char *name;

if (!hw) continue;

+ name = hw->init->name; ret = of_clk_hw_register(node, hw); if (ret) { - pr_err("Couldn't register clock %d - %s\n", - i, clk_hw_get_name(hw)); + pr_err("Couldn't register clock %d - %s\n", i, name); goto err_clk_unreg; } } diff --git a/drivers/clk/zte/clk-zx296718.c b/drivers/clk/zte/clk-zx296718.c index fd6c347bec6a..dd7045bc48c1 100644 --- a/drivers/clk/zte/clk-zx296718.c +++ b/drivers/clk/zte/clk-zx296718.c @@ -564,6 +564,7 @@ static int __init top_clocks_init(struct device_node *np) { void __iomem *reg_base; int i, ret; + const char *name;

reg_base = of_iomap(np, 0); if (!reg_base) { @@ -573,11 +574,10 @@ static int __init top_clocks_init(struct device_node *np)

for (i = 0; i < ARRAY_SIZE(zx296718_pll_clk); i++) { zx296718_pll_clk[i].reg_base += (uintptr_t)reg_base; + name = zx296718_pll_clk[i].hw.init->name; ret = clk_hw_register(NULL, &zx296718_pll_clk[i].hw); - if (ret) { - pr_warn("top clk %s init error!\n", - zx296718_pll_clk[i].hw.init->name); - } + if (ret) + pr_warn("top clk %s init error!\n", name); }

for (i = 0; i < ARRAY_SIZE(top_ffactor_clk); i++) { @@ -585,11 +585,10 @@ static int __init top_clocks_init(struct device_node *np) top_hw_onecell_data.hws[top_ffactor_clk[i].id] = &top_ffactor_clk[i].factor.hw;

+ name = top_ffactor_clk[i].factor.hw.init->name; ret = clk_hw_register(NULL, &top_ffactor_clk[i].factor.hw); - if (ret) { - pr_warn("top clk %s init error!\n", - top_ffactor_clk[i].factor.hw.init->name); - } + if (ret) + pr_warn("top clk %s init error!\n", name); }

for (i = 0; i < ARRAY_SIZE(top_mux_clk); i++) { @@ -598,11 +597,10 @@ static int __init top_clocks_init(struct device_node *np) &top_mux_clk[i].mux.hw;

top_mux_clk[i].mux.reg += (uintptr_t)reg_base; + name = top_mux_clk[i].mux.hw.init->name; ret = clk_hw_register(NULL, &top_mux_clk[i].mux.hw); - if (ret) { - pr_warn("top clk %s init error!\n", - top_mux_clk[i].mux.hw.init->name); - } + if (ret) + pr_warn("top clk %s init error!\n", name); }

for (i = 0; i < ARRAY_SIZE(top_gate_clk); i++) { @@ -611,11 +609,10 @@ static int __init top_clocks_init(struct device_node *np) &top_gate_clk[i].gate.hw;

top_gate_clk[i].gate.reg += (uintptr_t)reg_base; + name = top_gate_clk[i].gate.hw.init->name; ret = clk_hw_register(NULL, &top_gate_clk[i].gate.hw); - if (ret) { - pr_warn("top clk %s init error!\n", - top_gate_clk[i].gate.hw.init->name); - } + if (ret) + pr_warn("top clk %s init error!\n", name); }

for (i = 0; i < ARRAY_SIZE(top_div_clk); i++) { @@ -624,11 +621,10 @@ static int __init top_clocks_init(struct device_node *np) &top_div_clk[i].div.hw;

top_div_clk[i].div.reg += (uintptr_t)reg_base; + name = top_div_clk[i].div.hw.init->name; ret = clk_hw_register(NULL, &top_div_clk[i].div.hw); - if (ret) { - pr_warn("top clk %s init error!\n", - top_div_clk[i].div.hw.init->name); - } + if (ret) + pr_warn("top clk %s init error!\n", name); }

ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, @@ -754,6 +750,7 @@ static int __init lsp0_clocks_init(struct device_node *np) { void __iomem *reg_base; int i, ret; + const char *name;

reg_base = of_iomap(np, 0); if (!reg_base) { @@ -767,11 +764,10 @@ static int __init lsp0_clocks_init(struct device_node *np) &lsp0_mux_clk[i].mux.hw;

lsp0_mux_clk[i].mux.reg += (uintptr_t)reg_base; + name = lsp0_mux_clk[i].mux.hw.init->name; ret = clk_hw_register(NULL, &lsp0_mux_clk[i].mux.hw); - if (ret) { - pr_warn("lsp0 clk %s init error!\n", - lsp0_mux_clk[i].mux.hw.init->name); - } + if (ret) + pr_warn("lsp0 clk %s init error!\n", name); }

for (i = 0; i < ARRAY_SIZE(lsp0_gate_clk); i++) { @@ -780,11 +776,10 @@ static int __init lsp0_clocks_init(struct device_node *np) &lsp0_gate_clk[i].gate.hw;

lsp0_gate_clk[i].gate.reg += (uintptr_t)reg_base; + name = lsp0_gate_clk[i].gate.hw.init->name; ret = clk_hw_register(NULL, &lsp0_gate_clk[i].gate.hw); - if (ret) { - pr_warn("lsp0 clk %s init error!\n", - lsp0_gate_clk[i].gate.hw.init->name); - } + if (ret) + pr_warn("lsp0 clk %s init error!\n", name); }

for (i = 0; i < ARRAY_SIZE(lsp0_div_clk); i++) { @@ -793,11 +788,10 @@ static int __init lsp0_clocks_init(struct device_node *np) &lsp0_div_clk[i].div.hw;

lsp0_div_clk[i].div.reg += (uintptr_t)reg_base; + name = lsp0_div_clk[i].div.hw.init->name; ret = clk_hw_register(NULL, &lsp0_div_clk[i].div.hw); - if (ret) { - pr_warn("lsp0 clk %s init error!\n", - lsp0_div_clk[i].div.hw.init->name); - } + if (ret) + pr_warn("lsp0 clk %s init error!\n", name); }

ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, @@ -862,6 +856,7 @@ static int __init lsp1_clocks_init(struct device_node *np) { void __iomem *reg_base; int i, ret; + const char *name;

reg_base = of_iomap(np, 0); if (!reg_base) { @@ -875,11 +870,10 @@ static int __init lsp1_clocks_init(struct device_node *np) &lsp0_mux_clk[i].mux.hw;

lsp1_mux_clk[i].mux.reg += (uintptr_t)reg_base; + name = lsp1_mux_clk[i].mux.hw.init->name; ret = clk_hw_register(NULL, &lsp1_mux_clk[i].mux.hw); - if (ret) { - pr_warn("lsp1 clk %s init error!\n", - lsp1_mux_clk[i].mux.hw.init->name); - } + if (ret) + pr_warn("lsp1 clk %s init error!\n", name); }

for (i = 0; i < ARRAY_SIZE(lsp1_gate_clk); i++) { @@ -888,11 +882,10 @@ static int __init lsp1_clocks_init(struct device_node *np) &lsp1_gate_clk[i].gate.hw;

lsp1_gate_clk[i].gate.reg += (uintptr_t)reg_base; + name = lsp1_gate_clk[i].gate.hw.init->name; ret = clk_hw_register(NULL, &lsp1_gate_clk[i].gate.hw); - if (ret) { - pr_warn("lsp1 clk %s init error!\n", - lsp1_gate_clk[i].gate.hw.init->name); - } + if (ret) + pr_warn("lsp1 clk %s init error!\n", name); }

for (i = 0; i < ARRAY_SIZE(lsp1_div_clk); i++) { @@ -901,11 +894,10 @@ static int __init lsp1_clocks_init(struct device_node *np) &lsp1_div_clk[i].div.hw;

lsp1_div_clk[i].div.reg += (uintptr_t)reg_base; + name = lsp1_div_clk[i].div.hw.init->name; ret = clk_hw_register(NULL, &lsp1_div_clk[i].div.hw); - if (ret) { - pr_warn("lsp1 clk %s init error!\n", - lsp1_div_clk[i].div.hw.init->name); - } + if (ret) + pr_warn("lsp1 clk %s init error!\n", name); }

ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, @@ -979,6 +971,7 @@ static int __init audio_clocks_init(struct device_node *np) { void __iomem *reg_base; int i, ret; + const char *name;

reg_base = of_iomap(np, 0); if (!reg_base) { @@ -992,11 +985,10 @@ static int __init audio_clocks_init(struct device_node *np) &audio_mux_clk[i].mux.hw;

audio_mux_clk[i].mux.reg += (uintptr_t)reg_base; + name = audio_mux_clk[i].mux.hw.init->name; ret = clk_hw_register(NULL, &audio_mux_clk[i].mux.hw); - if (ret) { - pr_warn("audio clk %s init error!\n", - audio_mux_clk[i].mux.hw.init->name); - } + if (ret) + pr_warn("audio clk %s init error!\n", name); }

for (i = 0; i < ARRAY_SIZE(audio_adiv_clk); i++) { @@ -1005,11 +997,10 @@ static int __init audio_clocks_init(struct device_node *np) &audio_adiv_clk[i].hw;

audio_adiv_clk[i].reg_base += (uintptr_t)reg_base; + name = audio_adiv_clk[i].hw.init->name; ret = clk_hw_register(NULL, &audio_adiv_clk[i].hw); - if (ret) { - pr_warn("audio clk %s init error!\n", - audio_adiv_clk[i].hw.init->name); - } + if (ret) + pr_warn("audio clk %s init error!\n", name); }

for (i = 0; i < ARRAY_SIZE(audio_div_clk); i++) { @@ -1018,11 +1009,10 @@ static int __init audio_clocks_init(struct device_node *np) &audio_div_clk[i].div.hw;

audio_div_clk[i].div.reg += (uintptr_t)reg_base; + name = audio_div_clk[i].div.hw.init->name; ret = clk_hw_register(NULL, &audio_div_clk[i].div.hw); - if (ret) { - pr_warn("audio clk %s init error!\n", - audio_div_clk[i].div.hw.init->name); - } + if (ret) + pr_warn("audio clk %s init error!\n", name); }

for (i = 0; i < ARRAY_SIZE(audio_gate_clk); i++) { @@ -1031,11 +1021,10 @@ static int __init audio_clocks_init(struct device_node *np) &audio_gate_clk[i].gate.hw;

audio_gate_clk[i].gate.reg += (uintptr_t)reg_base; + name = audio_gate_clk[i].gate.hw.init->name; ret = clk_hw_register(NULL, &audio_gate_clk[i].gate.hw); - if (ret) { - pr_warn("audio clk %s init error!\n", - audio_gate_clk[i].gate.hw.init->name); - } + if (ret) + pr_warn("audio clk %s init error!\n", name); }

ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, diff --git a/drivers/crypto/hisilicon/sec/sec_algs.c b/drivers/crypto/hisilicon/sec/sec_algs.c index 02768af0dccd..8c789b8671fc 100644 --- a/drivers/crypto/hisilicon/sec/sec_algs.c +++ b/drivers/crypto/hisilicon/sec/sec_algs.c @@ -215,17 +215,18 @@ static void sec_free_hw_sgl(struct sec_hw_sgl *hw_sgl, dma_addr_t psec_sgl, struct sec_dev_info *info) { struct sec_hw_sgl *sgl_current, *sgl_next; + dma_addr_t sgl_next_dma;

- if (!hw_sgl) - return; sgl_current = hw_sgl; - while (sgl_current->next) { + while (sgl_current) { sgl_next = sgl_current->next; - dma_pool_free(info->hw_sgl_pool, sgl_current, - sgl_current->next_sgl); + sgl_next_dma = sgl_current->next_sgl; + + dma_pool_free(info->hw_sgl_pool, sgl_current, psec_sgl); + sgl_current = sgl_next; + psec_sgl = sgl_next_dma; } - dma_pool_free(info->hw_sgl_pool, hw_sgl, psec_sgl); }

static int sec_alg_skcipher_setkey(struct crypto_skcipher *tfm, diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c index 051f6c2873c7..6713cfb1995c 100644 --- a/drivers/dma-buf/sw_sync.c +++ b/drivers/dma-buf/sw_sync.c @@ -132,17 +132,14 @@ static void timeline_fence_release(struct dma_fence *fence) { struct sync_pt *pt = dma_fence_to_sync_pt(fence); struct sync_timeline *parent = dma_fence_parent(fence); + unsigned long flags;

+ spin_lock_irqsave(fence->lock, flags); if (!list_empty(&pt->link)) { - unsigned long flags; - - spin_lock_irqsave(fence->lock, flags); - if (!list_empty(&pt->link)) { - list_del(&pt->link); - rb_erase(&pt->node, &parent->pt_tree); - } - spin_unlock_irqrestore(fence->lock, flags); + list_del(&pt->link); + rb_erase(&pt->node, &parent->pt_tree); } + spin_unlock_irqrestore(fence->lock, flags);

sync_timeline_put(parent); dma_fence_free(fence); @@ -265,7 +262,8 @@ static struct sync_pt *sync_pt_create(struct sync_timeline *obj, p = &parent->rb_left; } else { if (dma_fence_get_rcu(&other->base)) { - dma_fence_put(&pt->base); + sync_timeline_put(obj); + kfree(pt); pt = other; goto unlock; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c index eb3569b46c1e..430c56f9544a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c @@ -139,14 +139,14 @@ static int amdgpufb_create_pinned_object(struct amdgpu_fbdev *rfbdev, mode_cmd->pitches[0] = amdgpu_align_pitch(adev, mode_cmd->width, cpp, fb_tiled); domain = amdgpu_display_supported_domains(adev); - height = ALIGN(mode_cmd->height, 8); size = mode_cmd->pitches[0] * height; aligned_size = ALIGN(size, PAGE_SIZE); ret = amdgpu_gem_object_create(adev, aligned_size, 0, domain, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | - AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS | - AMDGPU_GEM_CREATE_VRAM_CLEARED, + AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS | + AMDGPU_GEM_CREATE_VRAM_CLEARED | + AMDGPU_GEM_CREATE_CPU_GTT_USWC, ttm_bo_type_kernel, NULL, &gobj); if (ret) { pr_err("failed to allocate framebuffer (%d)\n", aligned_size); @@ -168,7 +168,6 @@ static int amdgpufb_create_pinned_object(struct amdgpu_fbdev *rfbdev, dev_err(adev->dev, "FB failed to set tiling flags\n"); }

- ret = amdgpu_bo_pin(abo, domain); if (ret) { amdgpu_bo_unreserve(abo); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 939f8305511b..fb291366d5ad 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -747,7 +747,8 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv, struct amdgpu_device *adev = dev->dev_private; struct drm_gem_object *gobj; uint32_t handle; - u64 flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; + u64 flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED | + AMDGPU_GEM_CREATE_CPU_GTT_USWC; u32 domain; int r;

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c index 3747c3f1f0cc..15c371fac469 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c @@ -1583,7 +1583,8 @@ static const struct amdgpu_irq_src_funcs sdma_v5_0_illegal_inst_irq_funcs = {

static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev) { - adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST; + adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 + + adev->sdma.num_instances; adev->sdma.trap_irq.funcs = &sdma_v5_0_trap_irq_funcs; adev->sdma.illegal_inst_irq.funcs = &sdma_v5_0_illegal_inst_irq_funcs; } diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index 4d74453f3cfb..602397016b64 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -1881,7 +1881,7 @@ static void si_program_aspm(struct amdgpu_device *adev) if (orig != data) si_pif_phy1_wreg(adev,PB1_PIF_PWRDOWN_1, data);

- if ((adev->family != CHIP_OLAND) && (adev->family != CHIP_HAINAN)) { + if ((adev->asic_type != CHIP_OLAND) && (adev->asic_type != CHIP_HAINAN)) { orig = data = si_pif_phy0_rreg(adev,PB0_PIF_PWRDOWN_0); data &= ~PLL_RAMP_UP_TIME_0_MASK; if (orig != data) @@ -1930,14 +1930,14 @@ static void si_program_aspm(struct amdgpu_device *adev)

orig = data = si_pif_phy0_rreg(adev,PB0_PIF_CNTL); data &= ~LS2_EXIT_TIME_MASK; - if ((adev->family == CHIP_OLAND) || (adev->family == CHIP_HAINAN)) + if ((adev->asic_type == CHIP_OLAND) || (adev->asic_type == CHIP_HAINAN)) data |= LS2_EXIT_TIME(5); if (orig != data) si_pif_phy0_wreg(adev,PB0_PIF_CNTL, data);

orig = data = si_pif_phy1_rreg(adev,PB1_PIF_CNTL); data &= ~LS2_EXIT_TIME_MASK; - if ((adev->family == CHIP_OLAND) || (adev->family == CHIP_HAINAN)) + if ((adev->asic_type == CHIP_OLAND) || (adev->asic_type == CHIP_HAINAN)) data |= LS2_EXIT_TIME(5); if (orig != data) si_pif_phy1_wreg(adev,PB1_PIF_CNTL, data); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c index 592fa499c9f8..9594c154664f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c @@ -334,7 +334,7 @@ bool dm_pp_get_clock_levels_by_type( } } else if (adev->smu.funcs && adev->smu.funcs->get_clock_by_type) { if (smu_get_clock_by_type(&adev->smu, - dc_to_smu_clock_type(clk_type), + dc_to_pp_clock_type(clk_type), &pp_clks)) { get_default_clock_levels(clk_type, dc_clks); return true; @@ -419,7 +419,7 @@ bool dm_pp_get_clock_levels_by_type_with_latency( return false; } else if (adev->smu.ppt_funcs && adev->smu.ppt_funcs->get_clock_by_type_with_latency) { if (smu_get_clock_by_type_with_latency(&adev->smu, - dc_to_pp_clock_type(clk_type), + dc_to_smu_clock_type(clk_type), &pp_clks)) return false; } diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c index 50bfb5921de0..2ab0f97719b5 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c @@ -348,6 +348,8 @@ void dcn20_clk_mgr_construct(

clk_mgr->base.dprefclk_khz = 700000; // 700 MHz planned if VCO is 3.85 GHz, will be retrieved

+ clk_mgr->pp_smu = pp_smu; + if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) { dcn2_funcs.update_clocks = dcn2_update_clocks_fpga; clk_mgr->dentist_vco_freq_khz = 3850000; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index cbc480a33376..730f97ba8dbb 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -2187,6 +2187,14 @@ void dc_set_power_state( dc_resource_state_construct(dc, dc->current_state);

dc->hwss.init_hw(dc); + +#ifdef CONFIG_DRM_AMD_DC_DCN2_0 + if (dc->hwss.init_sys_ctx != NULL && + dc->vm_pa_config.valid) { + dc->hwss.init_sys_ctx(dc->hwseq, dc, &dc->vm_pa_config); + } +#endif + break; default: ASSERT(dc->current_state->stream_count == 0); diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 2c7aaed907b9..0bf85a7a2cd3 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -3033,6 +3033,8 @@ void dp_set_fec_ready(struct dc_link *link, bool ready) link_enc->funcs->fec_set_ready(link_enc, true); link->fec_state = dc_link_fec_ready; } else { + link->link_enc->funcs->fec_set_ready(link->link_enc, false); + link->fec_state = dc_link_fec_not_ready; dm_error("dpcd write failed to set fec_ready"); } } else if (link->fec_state == dc_link_fec_ready && !ready) { diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c index 2d019e1f6135..a9135764e580 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c @@ -160,6 +160,10 @@ bool edp_receiver_ready_T7(struct dc_link *link) break; udelay(25); //MAx T7 is 50ms } while (++tries < 300); + + if (link->local_sink->edid_caps.panel_patch.extra_t7_ms > 0) + udelay(link->local_sink->edid_caps.panel_patch.extra_t7_ms * 1000); + return result; }

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 2ceaab4fb5de..68db60e4caf3 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -265,12 +265,10 @@ bool resource_construct( DC_ERR("DC: failed to create audio!\n"); return false; } - if (!aud->funcs->endpoint_valid(aud)) { aud->funcs->destroy(&aud); break; } - pool->audios[i] = aud; pool->audio_count++; } @@ -1659,24 +1657,25 @@ static struct audio *find_first_free_audio( const struct resource_pool *pool, enum engine_id id) { - int i; - for (i = 0; i < pool->audio_count; i++) { + int i, available_audio_count; + + available_audio_count = pool->audio_count; + + for (i = 0; i < available_audio_count; i++) { if ((res_ctx->is_audio_acquired[i] == false) && (res_ctx->is_stream_enc_acquired[i] == true)) { /*we have enough audio endpoint, find the matching inst*/ if (id != i) continue; - return pool->audios[i]; } }

- /* use engine id to find free audio */ - if ((id < pool->audio_count) && (res_ctx->is_audio_acquired[id] == false)) { + /* use engine id to find free audio */ + if ((id < available_audio_count) && (res_ctx->is_audio_acquired[id] == false)) { return pool->audios[id]; } - /*not found the matching one, first come first serve*/ - for (i = 0; i < pool->audio_count; i++) { + for (i = 0; i < available_audio_count; i++) { if (res_ctx->is_audio_acquired[i] == false) { return pool->audios[i]; } diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h index 6eabb6491a3d..ce6d73d21cca 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_types.h @@ -202,6 +202,7 @@ struct dc_panel_patch { unsigned int dppowerup_delay; unsigned int extra_t12_ms; unsigned int extra_delay_backlight_off; + unsigned int extra_t7_ms; };

struct dc_edid_caps { diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c index 4a10a5d22c90..5de9623bdf66 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c @@ -613,6 +613,8 @@ void dce_aud_az_configure(

AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO1, value); + DC_LOG_HW_AUDIO("\n\tAUDIO:az_configure: index: %u data, 0x%x, displayName %s: \n", + audio->inst, value, audio_info->display_name);

/* *write the port ID: @@ -922,7 +924,6 @@ static const struct audio_funcs funcs = { .az_configure = dce_aud_az_configure, .destroy = dce_aud_destroy, }; - void dce_aud_destroy(struct audio **audio) { struct dce_audio *aud = DCE_AUD(*audio); @@ -953,7 +954,6 @@ struct audio *dce_audio_create( audio->regs = reg; audio->shifts = shifts; audio->masks = masks; - return &audio->base; }

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c index 7469333a2c8a..8166fdbacd73 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c @@ -357,9 +357,10 @@ bool cm_helper_translate_curve_to_hw_format( seg_distr[7] = 4; seg_distr[8] = 4; seg_distr[9] = 4; + seg_distr[10] = 1;

region_start = -10; - region_end = 0; + region_end = 1; }

for (i = region_end - region_start; i < MAX_REGIONS_NUMBER ; i++) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c index a546c2bc9129..e365f2dd7f9a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c @@ -824,6 +824,9 @@ void optc1_program_manual_trigger(struct timing_generator *optc)

REG_SET(OTG_MANUAL_FLOW_CONTROL, 0, MANUAL_FLOW_CONTROL, 1); + + REG_SET(OTG_MANUAL_FLOW_CONTROL, 0, + MANUAL_FLOW_CONTROL, 0); }

diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index d810c8940129..8fdb53a44bfb 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -585,6 +585,10 @@ static void dcn20_init_hw(struct dc *dc) } }

+ /* Power gate DSCs */ + for (i = 0; i < res_pool->res_cap->num_dsc; i++) + dcn20_dsc_pg_control(hws, res_pool->dscs[i]->inst, false); + /* Blank pixel data with OPP DPG */ for (i = 0; i < dc->res_pool->timing_generator_count; i++) { struct timing_generator *tg = dc->res_pool->timing_generators[i]; @@ -1106,6 +1110,9 @@ void dcn20_enable_plane( /* enable DCFCLK current DCHUB */ pipe_ctx->plane_res.hubp->funcs->hubp_clk_cntl(pipe_ctx->plane_res.hubp, true);

+ /* initialize HUBP on power up */ + pipe_ctx->plane_res.hubp->funcs->hubp_init(pipe_ctx->plane_res.hubp); + /* make sure OPP_PIPE_CLOCK_EN = 1 */ pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control( pipe_ctx->stream_res.opp, @@ -1315,6 +1322,18 @@ static void dcn20_apply_ctx_for_surface( if (!top_pipe_to_program) return;

+ /* Carry over GSL groups in case the context is changing. */ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + struct pipe_ctx *old_pipe_ctx = + &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe_ctx->stream == stream && + pipe_ctx->stream == old_pipe_ctx->stream) + pipe_ctx->stream_res.gsl_group = + old_pipe_ctx->stream_res.gsl_group; + } + tg = top_pipe_to_program->stream_res.tg;

interdependent_update = top_pipe_to_program->plane_state && diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.c b/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.c index 3cc0f2a1f77c..5db29bf582d3 100644 --- a/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.c +++ b/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.c @@ -167,6 +167,11 @@ static const struct irq_source_info_funcs vblank_irq_info_funcs = { .ack = NULL };

+static const struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = { + .set = NULL, + .ack = NULL +}; + #undef BASE_INNER #define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg

@@ -221,12 +226,15 @@ static const struct irq_source_info_funcs vblank_irq_info_funcs = { .funcs = &pflip_irq_info_funcs\ }

-#define vupdate_int_entry(reg_num)\ +/* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic + * of DCE's DC_IRQ_SOURCE_VUPDATEx. + */ +#define vupdate_no_lock_int_entry(reg_num)\ [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ IRQ_REG_ENTRY(OTG, reg_num,\ - OTG_GLOBAL_SYNC_STATUS, VUPDATE_INT_EN,\ - OTG_GLOBAL_SYNC_STATUS, VUPDATE_EVENT_CLEAR),\ - .funcs = &vblank_irq_info_funcs\ + OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_INT_EN,\ + OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR),\ + .funcs = &vupdate_no_lock_irq_info_funcs\ }

#define vblank_int_entry(reg_num)\ @@ -333,12 +341,12 @@ irq_source_info_dcn20[DAL_IRQ_SOURCES_NUMBER] = { dc_underflow_int_entry(6), [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(), [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(), - vupdate_int_entry(0), - vupdate_int_entry(1), - vupdate_int_entry(2), - vupdate_int_entry(3), - vupdate_int_entry(4), - vupdate_int_entry(5), + vupdate_no_lock_int_entry(0), + vupdate_no_lock_int_entry(1), + vupdate_no_lock_int_entry(2), + vupdate_no_lock_int_entry(3), + vupdate_no_lock_int_entry(4), + vupdate_no_lock_int_entry(5), vblank_int_entry(0), vblank_int_entry(1), vblank_int_entry(2), diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index 7c20171a3b6d..a53666ff6cf8 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -435,6 +435,12 @@ static void apply_below_the_range(struct core_freesync *core_freesync, /* Either we've calculated the number of frames to insert, * or we need to insert min duration frames */ + if (last_render_time_in_us / frames_to_insert < + in_out_vrr->min_duration_in_us){ + frames_to_insert -= (frames_to_insert > 1) ? + 1 : 0; + } + if (frames_to_insert > 0) inserted_frame_duration_in_us = last_render_time_in_us / frames_to_insert; @@ -887,8 +893,8 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, struct core_freesync *core_freesync = NULL; unsigned long long nominal_field_rate_in_uhz = 0; unsigned int refresh_range = 0; - unsigned int min_refresh_in_uhz = 0; - unsigned int max_refresh_in_uhz = 0; + unsigned long long min_refresh_in_uhz = 0; + unsigned long long max_refresh_in_uhz = 0;

if (mod_freesync == NULL) return; @@ -915,7 +921,7 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, min_refresh_in_uhz = nominal_field_rate_in_uhz;

if (!vrr_settings_require_update(core_freesync, - in_config, min_refresh_in_uhz, max_refresh_in_uhz, + in_config, (unsigned int)min_refresh_in_uhz, (unsigned int)max_refresh_in_uhz, in_out_vrr)) return;

@@ -931,15 +937,15 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, return;

} else { - in_out_vrr->min_refresh_in_uhz = min_refresh_in_uhz; + in_out_vrr->min_refresh_in_uhz = (unsigned int)min_refresh_in_uhz; in_out_vrr->max_duration_in_us = calc_duration_in_us_from_refresh_in_uhz( - min_refresh_in_uhz); + (unsigned int)min_refresh_in_uhz);

- in_out_vrr->max_refresh_in_uhz = max_refresh_in_uhz; + in_out_vrr->max_refresh_in_uhz = (unsigned int)max_refresh_in_uhz; in_out_vrr->min_duration_in_us = calc_duration_in_us_from_refresh_in_uhz( - max_refresh_in_uhz); + (unsigned int)max_refresh_in_uhz);

refresh_range = in_out_vrr->max_refresh_in_uhz - in_out_vrr->min_refresh_in_uhz; @@ -950,17 +956,18 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, in_out_vrr->fixed.ramping_active = in_config->ramping;

in_out_vrr->btr.btr_enabled = in_config->btr; + if (in_out_vrr->max_refresh_in_uhz < 2 * in_out_vrr->min_refresh_in_uhz) in_out_vrr->btr.btr_enabled = false; + in_out_vrr->btr.btr_active = false; in_out_vrr->btr.inserted_duration_in_us = 0; in_out_vrr->btr.frames_to_insert = 0; in_out_vrr->btr.frame_counter = 0; in_out_vrr->btr.mid_point_in_us = - in_out_vrr->min_duration_in_us + - (in_out_vrr->max_duration_in_us - - in_out_vrr->min_duration_in_us) / 2; + (in_out_vrr->min_duration_in_us + + in_out_vrr->max_duration_in_us) / 2;

if (in_out_vrr->state == VRR_STATE_UNSUPPORTED) { in_out_vrr->adjust.v_total_min = stream->timing.v_total; diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index b81c7e715dc9..9aaf2deff6e9 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -1627,6 +1627,10 @@ static int navi10_set_peak_clock_by_device(struct smu_context *smu) static int navi10_set_performance_level(struct smu_context *smu, enum amd_dpm_forced_level level) { int ret = 0; + struct amdgpu_device *adev = smu->adev; + + if (adev->asic_type != CHIP_NAVI10) + return -EINVAL;

switch (level) { case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK: diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 3f7f4880be09..37bd541166a5 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -1035,16 +1035,17 @@ static int analogix_dp_commit(struct analogix_dp_device *dp) if (ret) return ret;

+ /* Check whether panel supports fast training */ + ret = analogix_dp_fast_link_train_detection(dp); + if (ret) + dp->psr_enable = false; + if (dp->psr_enable) { ret = analogix_dp_enable_sink_psr(dp); if (ret) return ret; }

- /* Check whether panel supports fast training */ - ret = analogix_dp_fast_link_train_detection(dp); - if (ret) - dp->psr_enable = false;

return ret; } diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c index dd7aa466b280..36acc256e67e 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -750,6 +750,7 @@ static int sii902x_audio_codec_init(struct sii902x *sii902x, sii902x->audio.i2s_fifo_sequence[i] |= audio_fifo_id[i] | i2s_lane_id[lanes[i]] | SII902X_TPI_I2S_FIFO_ENABLE;

+ sii902x->audio.mclk = devm_clk_get(dev, "mclk"); if (IS_ERR(sii902x->audio.mclk)) { dev_err(dev, "%s: No clock (audio mclk) found: %ld\n", __func__, PTR_ERR(sii902x->audio.mclk)); diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 13ade28a36a8..b3a7d5f1250c 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -313,7 +313,7 @@ static ssize_t tc_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) { struct tc_data *tc = aux_to_tc(aux); - size_t size = min_t(size_t, 8, msg->size); + size_t size = min_t(size_t, DP_AUX_MAX_PAYLOAD_BYTES - 1, msg->size); u8 request = msg->request & ~DP_AUX_I2C_MOT; u8 *buf = msg->buffer; u32 tmp = 0; diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c index baf63fb6850a..a810568c76df 100644 --- a/drivers/gpu/drm/mcde/mcde_drv.c +++ b/drivers/gpu/drm/mcde/mcde_drv.c @@ -319,7 +319,7 @@ static int mcde_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct drm_device *drm; struct mcde *mcde; - struct component_match *match; + struct component_match *match = NULL; struct resource *res; u32 pid; u32 val; @@ -485,6 +485,10 @@ static int mcde_probe(struct platform_device *pdev) } put_device(p); } + if (!match) { + dev_err(dev, "no matching components\n"); + return -ENODEV; + } if (IS_ERR(match)) { dev_err(dev, "could not create component match\n"); ret = PTR_ERR(match); diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c b/drivers/gpu/drm/nouveau/dispnv50/wndw.c index 283ff690350e..50303ec194bb 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/wndw.c +++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c @@ -320,7 +320,9 @@ nv50_wndw_atomic_check_lut(struct nv50_wndw *wndw, asyh->wndw.olut &= ~BIT(wndw->id); }

- if (!ilut && wndw->func->ilut_identity) { + if (!ilut && wndw->func->ilut_identity && + asyw->state.fb->format->format != DRM_FORMAT_XBGR16161616F && + asyw->state.fb->format->format != DRM_FORMAT_ABGR16161616F) { static struct drm_property_blob dummy = {}; ilut = &dummy; } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/volt.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/volt.c index 7143ea4611aa..33a9fb5ac558 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/volt.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/volt.c @@ -96,6 +96,8 @@ nvbios_volt_parse(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, info->min = min(info->base, info->base + info->step * info->vidmask); info->max = nvbios_rd32(bios, volt + 0x0e); + if (!info->max) + info->max = max(info->base, info->base + info->step * info->vidmask); break; case 0x50: info->min = nvbios_rd32(bios, volt + 0x0a); diff --git a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c index 28c0620dfe0f..b5b14aa059ea 100644 --- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c +++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c @@ -399,7 +399,13 @@ static int rpi_touchscreen_probe(struct i2c_client *i2c,

/* Look up the DSI host. It needs to probe before we do. */ endpoint = of_graph_get_next_endpoint(dev->of_node, NULL); + if (!endpoint) + return -ENODEV; + dsi_host_node = of_graph_get_remote_port_parent(endpoint); + if (!dsi_host_node) + goto error; + host = of_find_mipi_dsi_host_by_node(dsi_host_node); of_node_put(dsi_host_node); if (!host) { @@ -408,6 +414,9 @@ static int rpi_touchscreen_probe(struct i2c_client *i2c, }

info.node = of_graph_get_remote_port(endpoint); + if (!info.node) + goto error; + of_node_put(endpoint);

ts->dsi = mipi_dsi_device_register_full(host, &info); @@ -428,6 +437,10 @@ static int rpi_touchscreen_probe(struct i2c_client *i2c, return ret;

return 0; + +error: + of_node_put(endpoint); + return -ENODEV; }

static int rpi_touchscreen_remove(struct i2c_client *i2c) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 5a93c4edf1e4..ee6900eb3906 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -724,9 +724,9 @@ static const struct panel_desc auo_g133han01 = { static const struct display_timing auo_g185han01_timings = { .pixelclock = { 120000000, 144000000, 175000000 }, .hactive = { 1920, 1920, 1920 }, - .hfront_porch = { 18, 60, 74 }, - .hback_porch = { 12, 44, 54 }, - .hsync_len = { 10, 24, 32 }, + .hfront_porch = { 36, 120, 148 }, + .hback_porch = { 24, 88, 108 }, + .hsync_len = { 20, 48, 64 }, .vactive = { 1080, 1080, 1080 }, .vfront_porch = { 6, 10, 40 }, .vback_porch = { 2, 5, 20 }, diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index c60d1a44d22a..b684cd719612 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -752,7 +752,7 @@ static int radeon_connector_set_property(struct drm_connector *connector, struct

radeon_encoder->output_csc = val;

- if (connector->encoder->crtc) { + if (connector->encoder && connector->encoder->crtc) { struct drm_crtc *crtc = connector->encoder->crtc; struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);

diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index a6cbe11f79c6..15d7bebe1729 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -349,11 +349,19 @@ radeon_pci_remove(struct pci_dev *pdev) static void radeon_pci_shutdown(struct pci_dev *pdev) { + struct drm_device *ddev = pci_get_drvdata(pdev); + /* if we are running in a VM, make sure the device * torn down properly on reboot/shutdown */ if (radeon_device_is_virtual()) radeon_pci_remove(pdev); + + /* Some adapters need to be suspended before a + * shutdown occurs in order to prevent an error + * during kexec. + */ + radeon_suspend_kms(ddev, true, true, false); }

static int radeon_pmops_suspend(struct device *dev) diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index 2fe6c4a8d915..3ab4fbf8eb0d 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -26,6 +26,7 @@ #include <drm/drm_fb_cma_helper.h> #include <drm/drm_fourcc.h> #include <drm/drm_gem_cma_helper.h> +#include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_of.h> #include <drm/drm_plane_helper.h> #include <drm/drm_probe_helper.h> @@ -922,6 +923,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = { };

static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = { + .prepare_fb = drm_gem_fb_prepare_fb, .atomic_check = ltdc_plane_atomic_check, .atomic_update = ltdc_plane_atomic_update, .atomic_disable = ltdc_plane_atomic_disable, diff --git a/drivers/gpu/drm/tinydrm/Kconfig b/drivers/gpu/drm/tinydrm/Kconfig index 87819c82bcce..f2f0739d1035 100644 --- a/drivers/gpu/drm/tinydrm/Kconfig +++ b/drivers/gpu/drm/tinydrm/Kconfig @@ -14,8 +14,8 @@ config TINYDRM_MIPI_DBI config TINYDRM_HX8357D tristate "DRM support for HX8357D display panels" depends on DRM_TINYDRM && SPI - depends on BACKLIGHT_CLASS_DEVICE select TINYDRM_MIPI_DBI + select BACKLIGHT_CLASS_DEVICE help DRM driver for the following HX8357D panels: * YX350HV15-T 3.5" 340x350 TFT (Adafruit 3.5") @@ -35,8 +35,8 @@ config TINYDRM_ILI9225 config TINYDRM_ILI9341 tristate "DRM support for ILI9341 display panels" depends on DRM_TINYDRM && SPI - depends on BACKLIGHT_CLASS_DEVICE select TINYDRM_MIPI_DBI + select BACKLIGHT_CLASS_DEVICE help DRM driver for the following Ilitek ILI9341 panels: * YX240QV29-T 2.4" 240x320 TFT (Adafruit 2.4") @@ -46,8 +46,8 @@ config TINYDRM_ILI9341 config TINYDRM_MI0283QT tristate "DRM support for MI0283QT" depends on DRM_TINYDRM && SPI - depends on BACKLIGHT_CLASS_DEVICE select TINYDRM_MIPI_DBI + select BACKLIGHT_CLASS_DEVICE help DRM driver for the Multi-Inno MI0283QT display panel If M is selected the module will be called mi0283qt. @@ -78,8 +78,8 @@ config TINYDRM_ST7586 config TINYDRM_ST7735R tristate "DRM support for Sitronix ST7735R display panels" depends on DRM_TINYDRM && SPI - depends on BACKLIGHT_CLASS_DEVICE select TINYDRM_MIPI_DBI + select BACKLIGHT_CLASS_DEVICE help DRM driver Sitronix ST7735R with one of the following LCDs: * JD-T18003-T01 1.8" 128x160 TFT diff --git a/drivers/gpu/drm/vkms/vkms_crc.c b/drivers/gpu/drm/vkms/vkms_crc.c index e66ff25c008e..e9fb4ebb789f 100644 --- a/drivers/gpu/drm/vkms/vkms_crc.c +++ b/drivers/gpu/drm/vkms/vkms_crc.c @@ -166,16 +166,24 @@ void vkms_crc_work_handle(struct work_struct *work) struct drm_plane *plane; u32 crc32 = 0; u64 frame_start, frame_end; + bool crc_pending; unsigned long flags;

spin_lock_irqsave(&out->state_lock, flags); frame_start = crtc_state->frame_start; frame_end = crtc_state->frame_end; + crc_pending = crtc_state->crc_pending; + crtc_state->frame_start = 0; + crtc_state->frame_end = 0; + crtc_state->crc_pending = false; spin_unlock_irqrestore(&out->state_lock, flags);

- /* _vblank_handle() hasn't updated frame_start yet */ - if (!frame_start || frame_start == frame_end) - goto out; + /* + * We raced with the vblank hrtimer and previous work already computed + * the crc, nothing to do. + */ + if (!crc_pending) + return;

drm_for_each_plane(plane, &vdev->drm) { struct vkms_plane_state *vplane_state; @@ -196,20 +204,11 @@ void vkms_crc_work_handle(struct work_struct *work) if (primary_crc) crc32 = _vkms_get_crc(primary_crc, cursor_crc);

- frame_end = drm_crtc_accurate_vblank_count(crtc); - - /* queue_work can fail to schedule crc_work; add crc for - * missing frames + /* + * The worker can fall behind the vblank hrtimer, make sure we catch up. */ while (frame_start <= frame_end) drm_crtc_add_crc_entry(crtc, true, frame_start++, &crc32); - -out: - /* to avoid using the same value for frame number again */ - spin_lock_irqsave(&out->state_lock, flags); - crtc_state->frame_end = frame_end; - crtc_state->frame_start = 0; - spin_unlock_irqrestore(&out->state_lock, flags); }

static const char * const pipe_crc_sources[] = {"auto"}; diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c index 4d11292bc6f3..f392fa13015b 100644 --- a/drivers/gpu/drm/vkms/vkms_crtc.c +++ b/drivers/gpu/drm/vkms/vkms_crtc.c @@ -30,13 +30,18 @@ static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer) * has read the data */ spin_lock(&output->state_lock); - if (!state->frame_start) + if (!state->crc_pending) state->frame_start = frame; + else + DRM_DEBUG_DRIVER("crc worker falling behind, frame_start: %llu, frame_end: %llu\n", + state->frame_start, frame); + state->frame_end = frame; + state->crc_pending = true; spin_unlock(&output->state_lock);

ret = queue_work(output->crc_workq, &state->crc_work); if (!ret) - DRM_WARN("failed to queue vkms_crc_work_handle"); + DRM_DEBUG_DRIVER("vkms_crc_work_handle already queued\n"); }

spin_unlock(&output->lock); diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c index 738dd6206d85..92296bd8f623 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.c +++ b/drivers/gpu/drm/vkms/vkms_drv.c @@ -92,7 +92,7 @@ static int vkms_modeset_init(struct vkms_device *vkmsdev) dev->mode_config.max_height = YRES_MAX; dev->mode_config.preferred_depth = 24;

- return vkms_output_init(vkmsdev); + return vkms_output_init(vkmsdev, 0); }

static int __init vkms_init(void) diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h index b92c30c66a6f..2fee10a00051 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.h +++ b/drivers/gpu/drm/vkms/vkms_drv.h @@ -48,6 +48,8 @@ struct vkms_plane_state { struct vkms_crtc_state { struct drm_crtc_state base; struct work_struct crc_work; + + bool crc_pending; u64 frame_start; u64 frame_end; }; @@ -105,10 +107,10 @@ bool vkms_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe, int *max_error, ktime_t *vblank_time, bool in_vblank_irq);

-int vkms_output_init(struct vkms_device *vkmsdev); +int vkms_output_init(struct vkms_device *vkmsdev, int index);

struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev, - enum drm_plane_type type); + enum drm_plane_type type, int index);

/* Gem stuff */ struct drm_gem_object *vkms_gem_create(struct drm_device *dev, diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c index 56fb5c2a2315..fb1941a6522c 100644 --- a/drivers/gpu/drm/vkms/vkms_output.c +++ b/drivers/gpu/drm/vkms/vkms_output.c @@ -35,7 +35,7 @@ static const struct drm_connector_helper_funcs vkms_conn_helper_funcs = { .get_modes = vkms_conn_get_modes, };

-int vkms_output_init(struct vkms_device *vkmsdev) +int vkms_output_init(struct vkms_device *vkmsdev, int index) { struct vkms_output *output = &vkmsdev->output; struct drm_device *dev = &vkmsdev->drm; @@ -45,12 +45,12 @@ int vkms_output_init(struct vkms_device *vkmsdev) struct drm_plane *primary, *cursor = NULL; int ret;

- primary = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_PRIMARY); + primary = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_PRIMARY, index); if (IS_ERR(primary)) return PTR_ERR(primary);

if (enable_cursor) { - cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR); + cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR, index); if (IS_ERR(cursor)) { ret = PTR_ERR(cursor); goto err_cursor; diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c index 0fceb6258422..18c630cfc485 100644 --- a/drivers/gpu/drm/vkms/vkms_plane.c +++ b/drivers/gpu/drm/vkms/vkms_plane.c @@ -176,7 +176,7 @@ static const struct drm_plane_helper_funcs vkms_primary_helper_funcs = { };

struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev, - enum drm_plane_type type) + enum drm_plane_type type, int index) { struct drm_device *dev = &vkmsdev->drm; const struct drm_plane_helper_funcs *funcs; @@ -198,7 +198,7 @@ struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev, funcs = &vkms_primary_helper_funcs; }

- ret = drm_universal_plane_init(dev, plane, 0, + ret = drm_universal_plane_init(dev, plane, 1 << index, &vkms_plane_funcs, formats, nformats, NULL, type, NULL); diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 81df62f48c4c..6ac8becc2372 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -54,7 +54,6 @@ MODULE_PARM_DESC(swap_opt_cmd, "Swap the Option ("Alt") and Command ("Flag") struct apple_sc { unsigned long quirks; unsigned int fn_on; - DECLARE_BITMAP(pressed_fn, KEY_CNT); DECLARE_BITMAP(pressed_numlock, KEY_CNT); };

@@ -181,6 +180,8 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, { struct apple_sc *asc = hid_get_drvdata(hid); const struct apple_key_translation *trans, *table; + bool do_translate; + u16 code = 0;

if (usage->code == KEY_FN) { asc->fn_on = !!value; @@ -189,8 +190,6 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, }

if (fnmode) { - int do_translate; - if (hid->product >= USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI && hid->product <= USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) table = macbookair_fn_keys; @@ -202,25 +201,33 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, trans = apple_find_translation (table, usage->code);

if (trans) { - if (test_bit(usage->code, asc->pressed_fn)) - do_translate = 1; - else if (trans->flags & APPLE_FLAG_FKEY) - do_translate = (fnmode == 2 && asc->fn_on) || - (fnmode == 1 && !asc->fn_on); - else - do_translate = asc->fn_on; - - if (do_translate) { - if (value) - set_bit(usage->code, asc->pressed_fn); - else - clear_bit(usage->code, asc->pressed_fn); - - input_event(input, usage->type, trans->to, - value); - - return 1; + if (test_bit(trans->from, input->key)) + code = trans->from; + else if (test_bit(trans->to, input->key)) + code = trans->to; + + if (!code) { + if (trans->flags & APPLE_FLAG_FKEY) { + switch (fnmode) { + case 1: + do_translate = !asc->fn_on; + break; + case 2: + do_translate = asc->fn_on; + break; + default: + /* should never happen */ + do_translate = false; + } + } else { + do_translate = asc->fn_on; + } + + code = do_translate ? trans->to : trans->from; } + + input_event(input, usage->type, code, value); + return 1; }

if (asc->quirks & APPLE_NUMLOCK_EMULATION && diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 53bddb50aeba..602219a8710d 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -88,7 +88,7 @@ static void wacom_wac_queue_flush(struct hid_device *hdev, }

static int wacom_wac_pen_serial_enforce(struct hid_device *hdev, - struct hid_report *report, u8 *raw_data, int size) + struct hid_report *report, u8 *raw_data, int report_size) { struct wacom *wacom = hid_get_drvdata(hdev); struct wacom_wac *wacom_wac = &wacom->wacom_wac; @@ -149,7 +149,8 @@ static int wacom_wac_pen_serial_enforce(struct hid_device *hdev, if (flush) wacom_wac_queue_flush(hdev, &wacom_wac->pen_fifo); else if (insert) - wacom_wac_queue_insert(hdev, &wacom_wac->pen_fifo, raw_data, size); + wacom_wac_queue_insert(hdev, &wacom_wac->pen_fifo, + raw_data, report_size);

return insert && !flush; } @@ -2176,7 +2177,7 @@ static void wacom_update_name(struct wacom *wacom, const char *suffix) { struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct wacom_features *features = &wacom_wac->features; - char name[WACOM_NAME_MAX]; + char name[WACOM_NAME_MAX - 20]; /* Leave some room for suffixes */

/* Generic devices name unspecified */ if ((features->type == HID_GENERIC) && !strcmp("Wacom HID", features->name)) { diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 1713235d28cb..2b4640397375 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -251,7 +251,7 @@ static int wacom_dtu_irq(struct wacom_wac *wacom)

static int wacom_dtus_irq(struct wacom_wac *wacom) { - char *data = wacom->data; + unsigned char *data = wacom->data; struct input_dev *input = wacom->pen_input; unsigned short prox, pressure = 0;

@@ -572,7 +572,7 @@ static int wacom_intuos_pad(struct wacom_wac *wacom) strip2 = ((data[3] & 0x1f) << 8) | data[4]; }

- prox = (buttons & ~(~0 << nbuttons)) | (keys & ~(~0 << nkeys)) | + prox = (buttons & ~(~0U << nbuttons)) | (keys & ~(~0U << nkeys)) | (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;

wacom_report_numbered_buttons(input, nbuttons, buttons); diff --git a/drivers/i2c/busses/i2c-cht-wc.c b/drivers/i2c/busses/i2c-cht-wc.c index 66af44bfa67d..f6546de66fbc 100644 --- a/drivers/i2c/busses/i2c-cht-wc.c +++ b/drivers/i2c/busses/i2c-cht-wc.c @@ -178,6 +178,51 @@ static const struct i2c_algorithm cht_wc_i2c_adap_algo = { .smbus_xfer = cht_wc_i2c_adap_smbus_xfer, };

+/* + * We are an i2c-adapter which itself is part of an i2c-client. This means that + * transfers done through us take adapter->bus_lock twice, once for our parent + * i2c-adapter and once to take our own bus_lock. Lockdep does not like this + * nested locking, to make lockdep happy in the case of busses with muxes, the + * i2c-core's i2c_adapter_lock_bus function calls: + * rt_mutex_lock_nested(&adapter->bus_lock, i2c_adapter_depth(adapter)); + * + * But i2c_adapter_depth only works when the direct parent of the adapter is + * another adapter, as it is only meant for muxes. In our case there is an + * i2c-client and MFD instantiated platform_device in the parent->child chain + * between the 2 devices. + * + * So we override the default i2c_lock_operations and pass a hardcoded + * depth of 1 to rt_mutex_lock_nested, to make lockdep happy. + * + * Note that if there were to be a mux attached to our adapter, this would + * break things again since the i2c-mux code expects the root-adapter to have + * a locking depth of 0. But we always have only 1 client directly attached + * in the form of the Charger IC paired with the CHT Whiskey Cove PMIC. + */ +static void cht_wc_i2c_adap_lock_bus(struct i2c_adapter *adapter, + unsigned int flags) +{ + rt_mutex_lock_nested(&adapter->bus_lock, 1); +} + +static int cht_wc_i2c_adap_trylock_bus(struct i2c_adapter *adapter, + unsigned int flags) +{ + return rt_mutex_trylock(&adapter->bus_lock); +} + +static void cht_wc_i2c_adap_unlock_bus(struct i2c_adapter *adapter, + unsigned int flags) +{ + rt_mutex_unlock(&adapter->bus_lock); +} + +static const struct i2c_lock_operations cht_wc_i2c_adap_lock_ops = { + .lock_bus = cht_wc_i2c_adap_lock_bus, + .trylock_bus = cht_wc_i2c_adap_trylock_bus, + .unlock_bus = cht_wc_i2c_adap_unlock_bus, +}; + /**** irqchip for the client connected to the extchgr i2c adapter ****/ static void cht_wc_i2c_irq_lock(struct irq_data *data) { @@ -286,6 +331,7 @@ static int cht_wc_i2c_adap_i2c_probe(struct platform_device *pdev) adap->adapter.owner = THIS_MODULE; adap->adapter.class = I2C_CLASS_HWMON; adap->adapter.algo = &cht_wc_i2c_adap_algo; + adap->adapter.lock_ops = &cht_wc_i2c_adap_lock_ops; strlcpy(adap->adapter.name, "PMIC I2C Adapter", sizeof(adap->adapter.name)); adap->adapter.dev.parent = &pdev->dev; diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 9fcb13beeb8f..7a3291d91a5e 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -713,12 +713,6 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev, bool clk_reinit) u32 tsu_thd; u8 tlow, thigh;

- err = pm_runtime_get_sync(i2c_dev->dev); - if (err < 0) { - dev_err(i2c_dev->dev, "runtime resume failed %d\n", err); - return err; - } - reset_control_assert(i2c_dev->rst); udelay(2); reset_control_deassert(i2c_dev->rst); @@ -772,7 +766,7 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev, bool clk_reinit) if (err) { dev_err(i2c_dev->dev, "failed changing clock rate: %d\n", err); - goto err; + return err; } }

@@ -787,23 +781,21 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev, bool clk_reinit)

err = tegra_i2c_flush_fifos(i2c_dev); if (err) - goto err; + return err;

if (i2c_dev->is_multimaster_mode && i2c_dev->hw->has_slcg_override_reg) i2c_writel(i2c_dev, I2C_MST_CORE_CLKEN_OVR, I2C_CLKEN_OVERRIDE);

err = tegra_i2c_wait_for_config_load(i2c_dev); if (err) - goto err; + return err;

if (i2c_dev->irq_disabled) { i2c_dev->irq_disabled = false; enable_irq(i2c_dev->irq); }

-err: - pm_runtime_put(i2c_dev->dev); - return err; + return 0; }

static int tegra_i2c_disable_packet_mode(struct tegra_i2c_dev *i2c_dev) @@ -1616,12 +1608,14 @@ static int tegra_i2c_probe(struct platform_device *pdev) }

pm_runtime_enable(&pdev->dev); - if (!pm_runtime_enabled(&pdev->dev)) { + if (!pm_runtime_enabled(&pdev->dev)) ret = tegra_i2c_runtime_resume(&pdev->dev); - if (ret < 0) { - dev_err(&pdev->dev, "runtime resume failed\n"); - goto unprepare_div_clk; - } + else + ret = pm_runtime_get_sync(i2c_dev->dev); + + if (ret < 0) { + dev_err(&pdev->dev, "runtime resume failed\n"); + goto unprepare_div_clk; }

if (i2c_dev->is_multimaster_mode) { @@ -1666,6 +1660,8 @@ static int tegra_i2c_probe(struct platform_device *pdev) if (ret) goto release_dma;

+ pm_runtime_put(&pdev->dev); + return 0;

release_dma: @@ -1726,17 +1722,25 @@ static int tegra_i2c_resume(struct device *dev) struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); int err;

+ err = tegra_i2c_runtime_resume(dev); + if (err) + return err; + err = tegra_i2c_init(i2c_dev, false); if (err) return err;

+ err = tegra_i2c_runtime_suspend(dev); + if (err) + return err; + i2c_mark_adapter_resumed(&i2c_dev->adapter);

return 0; }

static const struct dev_pm_ops tegra_i2c_pm = { - SET_SYSTEM_SLEEP_PM_OPS(tegra_i2c_suspend, tegra_i2c_resume) + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(tegra_i2c_suspend, tegra_i2c_resume) SET_RUNTIME_PM_OPS(tegra_i2c_runtime_suspend, tegra_i2c_runtime_resume, NULL) }; diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c index 00d5219094e5..48bba4913952 100644 --- a/drivers/mailbox/mtk-cmdq-mailbox.c +++ b/drivers/mailbox/mtk-cmdq-mailbox.c @@ -22,6 +22,7 @@ #define CMDQ_NUM_CMD(t) (t->cmd_buf_size / CMDQ_INST_SIZE)

#define CMDQ_CURR_IRQ_STATUS 0x10 +#define CMDQ_SYNC_TOKEN_UPDATE 0x68 #define CMDQ_THR_SLOT_CYCLES 0x30 #define CMDQ_THR_BASE 0x100 #define CMDQ_THR_SIZE 0x80 @@ -104,8 +105,12 @@ static void cmdq_thread_resume(struct cmdq_thread *thread)

static void cmdq_init(struct cmdq *cmdq) { + int i; + WARN_ON(clk_enable(cmdq->clock) < 0); writel(CMDQ_THR_ACTIVE_SLOT_CYCLES, cmdq->base + CMDQ_THR_SLOT_CYCLES); + for (i = 0; i <= CMDQ_MAX_EVENT; i++) + writel(i, cmdq->base + CMDQ_SYNC_TOKEN_UPDATE); clk_disable(cmdq->clock); }

diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c index 705e17a5479c..d3676fd3cf94 100644 --- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c +++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c @@ -47,7 +47,6 @@ static const struct mbox_chan_ops qcom_apcs_ipc_ops = {

static int qcom_apcs_ipc_probe(struct platform_device *pdev) { - struct device_node *np = pdev->dev.of_node; struct qcom_apcs_ipc *apcs; struct regmap *regmap; struct resource *res; @@ -55,6 +54,11 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev) void __iomem *base; unsigned long i; int ret; + const struct of_device_id apcs_clk_match_table[] = { + { .compatible = "qcom,msm8916-apcs-kpss-global", }, + { .compatible = "qcom,qcs404-apcs-apps-global", }, + {} + };

apcs = devm_kzalloc(&pdev->dev, sizeof(*apcs), GFP_KERNEL); if (!apcs) @@ -89,7 +93,7 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev) return ret; }

- if (of_device_is_compatible(np, "qcom,msm8916-apcs-kpss-global")) { + if (of_match_device(apcs_clk_match_table, &pdev->dev)) { apcs->clk = platform_device_register_data(&pdev->dev, "qcom-apcs-msm8916-clk", -1, NULL, 0); diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 1f933dd197cd..b0aa595e4375 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -3738,18 +3738,18 @@ static int raid_iterate_devices(struct dm_target *ti, static void raid_io_hints(struct dm_target *ti, struct queue_limits *limits) { struct raid_set *rs = ti->private; - unsigned int chunk_size = to_bytes(rs->md.chunk_sectors); + unsigned int chunk_size_bytes = to_bytes(rs->md.chunk_sectors);

- blk_limits_io_min(limits, chunk_size); - blk_limits_io_opt(limits, chunk_size * mddev_data_stripes(rs)); + blk_limits_io_min(limits, chunk_size_bytes); + blk_limits_io_opt(limits, chunk_size_bytes * mddev_data_stripes(rs));

/* * RAID1 and RAID10 personalities require bio splitting, * RAID0/4/5/6 don't and process large discard bios properly. */ if (rs_is_raid1(rs) || rs_is_raid10(rs)) { - limits->discard_granularity = chunk_size; - limits->max_discard_sectors = chunk_size; + limits->discard_granularity = chunk_size_bytes; + limits->max_discard_sectors = rs->md.chunk_sectors; } }

diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c index 31478fef6032..d3bcc4197f5d 100644 --- a/drivers/md/dm-zoned-target.c +++ b/drivers/md/dm-zoned-target.c @@ -134,8 +134,6 @@ static int dmz_submit_bio(struct dmz_target *dmz, struct dm_zone *zone,

refcount_inc(&bioctx->ref); generic_make_request(clone); - if (clone->bi_status == BLK_STS_IOERR) - return -EIO;

if (bio_op(bio) == REQ_OP_WRITE && dmz_is_seq(zone)) zone->wp_block += nr_blocks; diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c index ade6e1ce5a98..e3a04929aaa3 100644 --- a/drivers/mfd/intel-lpss-pci.c +++ b/drivers/mfd/intel-lpss-pci.c @@ -35,6 +35,8 @@ static int intel_lpss_pci_probe(struct pci_dev *pdev, info->mem = &pdev->resource[0]; info->irq = pdev->irq;

+ pdev->d3cold_delay = 0; + /* Probably it is enough to set this for iDMA capable devices only */ pci_set_master(pdev); pci_try_set_mwi(pdev); diff --git a/drivers/net/dsa/rtl8366.c b/drivers/net/dsa/rtl8366.c index ca3d17e43ed8..ac88caca5ad4 100644 --- a/drivers/net/dsa/rtl8366.c +++ b/drivers/net/dsa/rtl8366.c @@ -339,10 +339,12 @@ int rtl8366_vlan_prepare(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan) { struct realtek_smi *smi = ds->priv; + u16 vid; int ret;

- if (!smi->ops->is_vlan_valid(smi, port)) - return -EINVAL; + for (vid = vlan->vid_begin; vid < vlan->vid_end; vid++) + if (!smi->ops->is_vlan_valid(smi, vid)) + return -EINVAL;

dev_info(smi->dev, "prepare VLANs %04x..%04x\n", vlan->vid_begin, vlan->vid_end); @@ -370,8 +372,9 @@ void rtl8366_vlan_add(struct dsa_switch *ds, int port, u16 vid; int ret;

- if (!smi->ops->is_vlan_valid(smi, port)) - return; + for (vid = vlan->vid_begin; vid < vlan->vid_end; vid++) + if (!smi->ops->is_vlan_valid(smi, vid)) + return;

dev_info(smi->dev, "add VLAN on port %d, %s, %s\n", port, diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index df976b259e43..296286f4fb39 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -1875,7 +1875,9 @@ static int sja1105_set_ageing_time(struct dsa_switch *ds, return sja1105_static_config_reload(priv); }

-/* Caller must hold priv->tagger_data.meta_lock */ +/* Must be called only with priv->tagger_data.state bit + * SJA1105_HWTS_RX_EN cleared + */ static int sja1105_change_rxtstamping(struct sja1105_private *priv, bool on) { @@ -1932,16 +1934,17 @@ static int sja1105_hwtstamp_set(struct dsa_switch *ds, int port, break; }

- if (rx_on != priv->tagger_data.hwts_rx_en) { - spin_lock(&priv->tagger_data.meta_lock); + if (rx_on != test_bit(SJA1105_HWTS_RX_EN, &priv->tagger_data.state)) { + clear_bit(SJA1105_HWTS_RX_EN, &priv->tagger_data.state); + rc = sja1105_change_rxtstamping(priv, rx_on); - spin_unlock(&priv->tagger_data.meta_lock); if (rc < 0) { dev_err(ds->dev, "Failed to change RX timestamping: %d\n", rc); - return -EFAULT; + return rc; } - priv->tagger_data.hwts_rx_en = rx_on; + if (rx_on) + set_bit(SJA1105_HWTS_RX_EN, &priv->tagger_data.state); }

if (copy_to_user(ifr->ifr_data, &config, sizeof(config))) @@ -1960,7 +1963,7 @@ static int sja1105_hwtstamp_get(struct dsa_switch *ds, int port, config.tx_type = HWTSTAMP_TX_ON; else config.tx_type = HWTSTAMP_TX_OFF; - if (priv->tagger_data.hwts_rx_en) + if (test_bit(SJA1105_HWTS_RX_EN, &priv->tagger_data.state)) config.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT; else config.rx_filter = HWTSTAMP_FILTER_NONE; @@ -1983,12 +1986,12 @@ static void sja1105_rxtstamp_work(struct work_struct *work)

mutex_lock(&priv->ptp_lock);

- now = priv->tstamp_cc.read(&priv->tstamp_cc); - while ((skb = skb_dequeue(&data->skb_rxtstamp_queue)) != NULL) { struct skb_shared_hwtstamps *shwt = skb_hwtstamps(skb); u64 ts;

+ now = priv->tstamp_cc.read(&priv->tstamp_cc); + *shwt = (struct skb_shared_hwtstamps) {0};

ts = SJA1105_SKB_CB(skb)->meta_tstamp; @@ -2009,7 +2012,7 @@ static bool sja1105_port_rxtstamp(struct dsa_switch *ds, int port, struct sja1105_private *priv = ds->priv; struct sja1105_tagger_data *data = &priv->tagger_data;

- if (!data->hwts_rx_en) + if (!test_bit(SJA1105_HWTS_RX_EN, &data->state)) return false;

/* We need to read the full PTP clock to reconstruct the Rx @@ -2165,6 +2168,7 @@ static int sja1105_probe(struct spi_device *spi) tagger_data = &priv->tagger_data; skb_queue_head_init(&tagger_data->skb_rxtstamp_queue); INIT_WORK(&tagger_data->rxtstamp_work, sja1105_rxtstamp_work); + spin_lock_init(&tagger_data->meta_lock);

/* Connections between dsa_port and sja1105_port */ for (i = 0; i < SJA1105_NUM_PORTS; i++) { diff --git a/drivers/net/dsa/sja1105/sja1105_spi.c b/drivers/net/dsa/sja1105/sja1105_spi.c index 84dc603138cf..58dd37ecde17 100644 --- a/drivers/net/dsa/sja1105/sja1105_spi.c +++ b/drivers/net/dsa/sja1105/sja1105_spi.c @@ -409,7 +409,8 @@ int sja1105_static_config_upload(struct sja1105_private *priv) rc = static_config_buf_prepare_for_upload(priv, config_buf, buf_len); if (rc < 0) { dev_err(dev, "Invalid config, cannot upload\n"); - return -EINVAL; + rc = -EINVAL; + goto out; } /* Prevent PHY jabbering during switch reset by inhibiting * Tx on all ports and waiting for current packet to drain. @@ -418,7 +419,8 @@ int sja1105_static_config_upload(struct sja1105_private *priv) rc = sja1105_inhibit_tx(priv, port_bitmap, true); if (rc < 0) { dev_err(dev, "Failed to inhibit Tx on ports\n"); - return -ENXIO; + rc = -ENXIO; + goto out; } /* Wait for an eventual egress packet to finish transmission * (reach IFG). It is guaranteed that a second one will not diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c index 5b602243d573..a4dead4ab0ed 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c @@ -137,13 +137,12 @@ static int uldrx_handler(struct sge_rspq *q, const __be64 *rsp, static int alloc_uld_rxqs(struct adapter *adap, struct sge_uld_rxq_info *rxq_info, bool lro) { - struct sge *s = &adap->sge; unsigned int nq = rxq_info->nrxq + rxq_info->nciq; + int i, err, msi_idx, que_idx = 0, bmap_idx = 0; struct sge_ofld_rxq *q = rxq_info->uldrxq; unsigned short *ids = rxq_info->rspq_id; - unsigned int bmap_idx = 0; + struct sge *s = &adap->sge; unsigned int per_chan; - int i, err, msi_idx, que_idx = 0;

per_chan = rxq_info->nrxq / adap->params.nports;

@@ -161,6 +160,10 @@ static int alloc_uld_rxqs(struct adapter *adap,

if (msi_idx >= 0) { bmap_idx = get_msix_idx_from_bmap(adap); + if (bmap_idx < 0) { + err = -ENOSPC; + goto freeout; + } msi_idx = adap->msix_info_ulds[bmap_idx].idx; } err = t4_sge_alloc_rxq(adap, &q->rspq, false, diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index 457444894d80..b4b8ba00ee01 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -2787,6 +2787,7 @@ static int ql_alloc_large_buffers(struct ql3_adapter *qdev) netdev_err(qdev->ndev, "PCI mapping failed with error: %d\n", err); + dev_kfree_skb_irq(skb); ql_free_large_buffers(qdev); return -ENOMEM; } diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c index 1502fe8b0456..b9ac45d9dee8 100644 --- a/drivers/net/ethernet/socionext/netsec.c +++ b/drivers/net/ethernet/socionext/netsec.c @@ -282,7 +282,6 @@ struct netsec_desc_ring { void *vaddr; u16 head, tail; u16 xdp_xmit; /* netsec_xdp_xmit packets */ - bool is_xdp; struct page_pool *page_pool; struct xdp_rxq_info xdp_rxq; spinlock_t lock; /* XDP tx queue locking */ @@ -634,8 +633,7 @@ static bool netsec_clean_tx_dring(struct netsec_priv *priv) unsigned int bytes; int cnt = 0;

- if (dring->is_xdp) - spin_lock(&dring->lock); + spin_lock(&dring->lock);

bytes = 0; entry = dring->vaddr + DESC_SZ * tail; @@ -682,8 +680,8 @@ static bool netsec_clean_tx_dring(struct netsec_priv *priv) entry = dring->vaddr + DESC_SZ * tail; cnt++; } - if (dring->is_xdp) - spin_unlock(&dring->lock); + + spin_unlock(&dring->lock);

if (!cnt) return false; @@ -799,9 +797,6 @@ static void netsec_set_tx_de(struct netsec_priv *priv, de->data_buf_addr_lw = lower_32_bits(desc->dma_addr); de->buf_len_info = (tx_ctrl->tcp_seg_len << 16) | desc->len; de->attr = attr; - /* under spin_lock if using XDP */ - if (!dring->is_xdp) - dma_wmb();

dring->desc[idx] = *desc; if (desc->buf_type == TYPE_NETSEC_SKB) @@ -1123,12 +1118,10 @@ static netdev_tx_t netsec_netdev_start_xmit(struct sk_buff *skb, u16 tso_seg_len = 0; int filled;

- if (dring->is_xdp) - spin_lock_bh(&dring->lock); + spin_lock_bh(&dring->lock); filled = netsec_desc_used(dring); if (netsec_check_stop_tx(priv, filled)) { - if (dring->is_xdp) - spin_unlock_bh(&dring->lock); + spin_unlock_bh(&dring->lock); net_warn_ratelimited("%s %s Tx queue full\n", dev_name(priv->dev), ndev->name); return NETDEV_TX_BUSY; @@ -1161,8 +1154,7 @@ static netdev_tx_t netsec_netdev_start_xmit(struct sk_buff *skb, tx_desc.dma_addr = dma_map_single(priv->dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE); if (dma_mapping_error(priv->dev, tx_desc.dma_addr)) { - if (dring->is_xdp) - spin_unlock_bh(&dring->lock); + spin_unlock_bh(&dring->lock); netif_err(priv, drv, priv->ndev, "%s: DMA mapping failed\n", __func__); ndev->stats.tx_dropped++; @@ -1177,8 +1169,7 @@ static netdev_tx_t netsec_netdev_start_xmit(struct sk_buff *skb, netdev_sent_queue(priv->ndev, skb->len);

netsec_set_tx_de(priv, dring, &tx_ctrl, &tx_desc, skb); - if (dring->is_xdp) - spin_unlock_bh(&dring->lock); + spin_unlock_bh(&dring->lock); netsec_write(priv, NETSEC_REG_NRM_TX_PKTCNT, 1); /* submit another tx */

return NETDEV_TX_OK; @@ -1262,7 +1253,6 @@ static int netsec_alloc_dring(struct netsec_priv *priv, enum ring_id id) static void netsec_setup_tx_dring(struct netsec_priv *priv) { struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_TX]; - struct bpf_prog *xdp_prog = READ_ONCE(priv->xdp_prog); int i;

for (i = 0; i < DESC_NUM; i++) { @@ -1275,12 +1265,6 @@ static void netsec_setup_tx_dring(struct netsec_priv *priv) */ de->attr = 1U << NETSEC_TX_SHIFT_OWN_FIELD; } - - if (xdp_prog) - dring->is_xdp = true; - else - dring->is_xdp = false; - }

static int netsec_setup_rx_dring(struct netsec_priv *priv) diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index ce78714f536f..a505b2ab88b8 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -2620,14 +2620,18 @@ static struct hso_device *hso_create_bulk_serial_device( */ if (serial->tiocmget) { tiocmget = serial->tiocmget; + tiocmget->endp = hso_get_ep(interface, + USB_ENDPOINT_XFER_INT, + USB_DIR_IN); + if (!tiocmget->endp) { + dev_err(&interface->dev, "Failed to find INT IN ep\n"); + goto exit; + } + tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL); if (tiocmget->urb) { mutex_init(&tiocmget->mutex); init_waitqueue_head(&tiocmget->waitq); - tiocmget->endp = hso_get_ep( - interface, - USB_ENDPOINT_XFER_INT, - USB_DIR_IN); } else hso_free_tiomget(serial); } diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index b6dc5d714b5e..3d77cd402ba9 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1350,6 +1350,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/ + {QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)}, /* Cinterion CLS8 */ {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 5f5722bf6762..7370e06a0e4b 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -887,9 +887,9 @@ static int xennet_set_skb_gso(struct sk_buff *skb, return 0; }

-static RING_IDX xennet_fill_frags(struct netfront_queue *queue, - struct sk_buff *skb, - struct sk_buff_head *list) +static int xennet_fill_frags(struct netfront_queue *queue, + struct sk_buff *skb, + struct sk_buff_head *list) { RING_IDX cons = queue->rx.rsp_cons; struct sk_buff *nskb; @@ -908,7 +908,7 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue, if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) { queue->rx.rsp_cons = ++cons + skb_queue_len(list); kfree_skb(nskb); - return ~0U; + return -ENOENT; }

skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, @@ -919,7 +919,9 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue, kfree_skb(nskb); }

- return cons; + queue->rx.rsp_cons = cons; + + return 0; }

static int checksum_setup(struct net_device *dev, struct sk_buff *skb) @@ -1045,8 +1047,7 @@ static int xennet_poll(struct napi_struct *napi, int budget) skb->data_len = rx->status; skb->len += rx->status;

- i = xennet_fill_frags(queue, skb, &tmpq); - if (unlikely(i == ~0U)) + if (unlikely(xennet_fill_frags(queue, skb, &tmpq))) goto err;

if (rx->flags & XEN_NETRXF_csum_blank) @@ -1056,7 +1057,7 @@ static int xennet_poll(struct napi_struct *napi, int budget)

__skb_queue_tail(&rxq, skb);

- queue->rx.rsp_cons = ++i; + i = ++queue->rx.rsp_cons; work_done++; }

diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 2ab92409210a..297bf928d652 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -181,7 +181,7 @@ config PCI_LABEL

config PCI_HYPERV tristate "Hyper-V PCI Frontend" - depends on X86 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && X86_64 + depends on X86_64 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && SYSFS help The PCI device frontend driver allows the kernel to import arbitrary PCI devices from a PCI backend to support PCI driver domains. diff --git a/drivers/pci/controller/dwc/pci-exynos.c b/drivers/pci/controller/dwc/pci-exynos.c index cee5f2f590e2..14a6ba4067fb 100644 --- a/drivers/pci/controller/dwc/pci-exynos.c +++ b/drivers/pci/controller/dwc/pci-exynos.c @@ -465,7 +465,7 @@ static int __init exynos_pcie_probe(struct platform_device *pdev)

ep->phy = devm_of_phy_get(dev, np, NULL); if (IS_ERR(ep->phy)) { - if (PTR_ERR(ep->phy) == -EPROBE_DEFER) + if (PTR_ERR(ep->phy) != -ENODEV) return PTR_ERR(ep->phy);

ep->phy = NULL; diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 9b5cb5b70389..aabf22eaa6b9 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -1173,8 +1173,8 @@ static int imx6_pcie_probe(struct platform_device *pdev)

imx6_pcie->vpcie = devm_regulator_get_optional(&pdev->dev, "vpcie"); if (IS_ERR(imx6_pcie->vpcie)) { - if (PTR_ERR(imx6_pcie->vpcie) == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (PTR_ERR(imx6_pcie->vpcie) != -ENODEV) + return PTR_ERR(imx6_pcie->vpcie); imx6_pcie->vpcie = NULL; }

diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c index be61d96cc95e..ca9aa4501e7e 100644 --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c @@ -44,6 +44,7 @@ static const struct pci_epc_features ls_pcie_epc_features = { .linkup_notifier = false, .msi_capable = true, .msix_capable = false, + .bar_fixed_64bit = (1 << BAR_2) | (1 << BAR_4), };

static const struct pci_epc_features* diff --git a/drivers/pci/controller/dwc/pcie-histb.c b/drivers/pci/controller/dwc/pcie-histb.c index 954bc2b74bbc..811b5c6d62ea 100644 --- a/drivers/pci/controller/dwc/pcie-histb.c +++ b/drivers/pci/controller/dwc/pcie-histb.c @@ -340,8 +340,8 @@ static int histb_pcie_probe(struct platform_device *pdev)

hipcie->vpcie = devm_regulator_get_optional(dev, "vpcie"); if (IS_ERR(hipcie->vpcie)) { - if (PTR_ERR(hipcie->vpcie) == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (PTR_ERR(hipcie->vpcie) != -ENODEV) + return PTR_ERR(hipcie->vpcie); hipcie->vpcie = NULL; }

diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c index 9a917b2456f6..673a1725ef38 100644 --- a/drivers/pci/controller/pci-tegra.c +++ b/drivers/pci/controller/pci-tegra.c @@ -2237,14 +2237,15 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie) err = of_pci_get_devfn(port); if (err < 0) { dev_err(dev, "failed to parse address: %d\n", err); - return err; + goto err_node_put; }

index = PCI_SLOT(err);

if (index < 1 || index > soc->num_ports) { dev_err(dev, "invalid port number: %d\n", index); - return -EINVAL; + err = -EINVAL; + goto err_node_put; }

index--; @@ -2253,12 +2254,13 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie) if (err < 0) { dev_err(dev, "failed to parse # of lanes: %d\n", err); - return err; + goto err_node_put; }

if (value > 16) { dev_err(dev, "invalid # of lanes: %u\n", value); - return -EINVAL; + err = -EINVAL; + goto err_node_put; }

lanes |= value << (index << 3); @@ -2272,13 +2274,15 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie) lane += value;

rp = devm_kzalloc(dev, sizeof(*rp), GFP_KERNEL); - if (!rp) - return -ENOMEM; + if (!rp) { + err = -ENOMEM; + goto err_node_put; + }

err = of_address_to_resource(port, 0, &rp->regs); if (err < 0) { dev_err(dev, "failed to parse address: %d\n", err); - return err; + goto err_node_put; }

INIT_LIST_HEAD(&rp->list); @@ -2330,6 +2334,10 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie) return err;

return 0; + +err_node_put: + of_node_put(port); + return err; }

/* diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c index 672e633601c7..a45a6447b01d 100644 --- a/drivers/pci/controller/pcie-mobiveil.c +++ b/drivers/pci/controller/pcie-mobiveil.c @@ -88,6 +88,7 @@ #define AMAP_CTRL_TYPE_MASK 3

#define PAB_EXT_PEX_AMAP_SIZEN(win) PAB_EXT_REG_ADDR(0xbef0, win) +#define PAB_EXT_PEX_AMAP_AXI_WIN(win) PAB_EXT_REG_ADDR(0xb4a0, win) #define PAB_PEX_AMAP_AXI_WIN(win) PAB_REG_ADDR(0x4ba4, win) #define PAB_PEX_AMAP_PEX_WIN_L(win) PAB_REG_ADDR(0x4ba8, win) #define PAB_PEX_AMAP_PEX_WIN_H(win) PAB_REG_ADDR(0x4bac, win) @@ -462,7 +463,7 @@ static int mobiveil_pcie_parse_dt(struct mobiveil_pcie *pcie) }

static void program_ib_windows(struct mobiveil_pcie *pcie, int win_num, - u64 pci_addr, u32 type, u64 size) + u64 cpu_addr, u64 pci_addr, u32 type, u64 size) { u32 value; u64 size64 = ~(size - 1); @@ -482,7 +483,10 @@ static void program_ib_windows(struct mobiveil_pcie *pcie, int win_num, csr_writel(pcie, upper_32_bits(size64), PAB_EXT_PEX_AMAP_SIZEN(win_num));

- csr_writel(pcie, pci_addr, PAB_PEX_AMAP_AXI_WIN(win_num)); + csr_writel(pcie, lower_32_bits(cpu_addr), + PAB_PEX_AMAP_AXI_WIN(win_num)); + csr_writel(pcie, upper_32_bits(cpu_addr), + PAB_EXT_PEX_AMAP_AXI_WIN(win_num));

csr_writel(pcie, lower_32_bits(pci_addr), PAB_PEX_AMAP_PEX_WIN_L(win_num)); @@ -624,7 +628,7 @@ static int mobiveil_host_init(struct mobiveil_pcie *pcie) CFG_WINDOW_TYPE, resource_size(pcie->ob_io_res));

/* memory inbound translation window */ - program_ib_windows(pcie, WIN_NUM_0, 0, MEM_WINDOW_TYPE, IB_WIN_SIZE); + program_ib_windows(pcie, WIN_NUM_0, 0, 0, MEM_WINDOW_TYPE, IB_WIN_SIZE);

/* Get the I/O and memory ranges from DT */ resource_list_for_each_entry(win, &pcie->resources) { diff --git a/drivers/pci/controller/pcie-rockchip-host.c b/drivers/pci/controller/pcie-rockchip-host.c index 8d20f1793a61..ef8e677ce9d1 100644 --- a/drivers/pci/controller/pcie-rockchip-host.c +++ b/drivers/pci/controller/pcie-rockchip-host.c @@ -608,29 +608,29 @@ static int rockchip_pcie_parse_host_dt(struct rockchip_pcie *rockchip)

rockchip->vpcie12v = devm_regulator_get_optional(dev, "vpcie12v"); if (IS_ERR(rockchip->vpcie12v)) { - if (PTR_ERR(rockchip->vpcie12v) == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (PTR_ERR(rockchip->vpcie12v) != -ENODEV) + return PTR_ERR(rockchip->vpcie12v); dev_info(dev, "no vpcie12v regulator found\n"); }

rockchip->vpcie3v3 = devm_regulator_get_optional(dev, "vpcie3v3"); if (IS_ERR(rockchip->vpcie3v3)) { - if (PTR_ERR(rockchip->vpcie3v3) == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (PTR_ERR(rockchip->vpcie3v3) != -ENODEV) + return PTR_ERR(rockchip->vpcie3v3); dev_info(dev, "no vpcie3v3 regulator found\n"); }

rockchip->vpcie1v8 = devm_regulator_get_optional(dev, "vpcie1v8"); if (IS_ERR(rockchip->vpcie1v8)) { - if (PTR_ERR(rockchip->vpcie1v8) == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (PTR_ERR(rockchip->vpcie1v8) != -ENODEV) + return PTR_ERR(rockchip->vpcie1v8); dev_info(dev, "no vpcie1v8 regulator found\n"); }

rockchip->vpcie0v9 = devm_regulator_get_optional(dev, "vpcie0v9"); if (IS_ERR(rockchip->vpcie0v9)) { - if (PTR_ERR(rockchip->vpcie0v9) == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (PTR_ERR(rockchip->vpcie0v9) != -ENODEV) + return PTR_ERR(rockchip->vpcie0v9); dev_info(dev, "no vpcie0v9 regulator found\n"); }

diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c index bcd5d357ca23..c3899ee1db99 100644 --- a/drivers/pci/hotplug/rpaphp_core.c +++ b/drivers/pci/hotplug/rpaphp_core.c @@ -230,7 +230,7 @@ static int rpaphp_check_drc_props_v2(struct device_node *dn, char *drc_name, struct of_drc_info drc; const __be32 *value; char cell_drc_name[MAX_DRC_NAME_LEN]; - int j, fndit; + int j;

info = of_find_property(dn->parent, "ibm,drc-info", NULL); if (info == NULL) @@ -245,17 +245,13 @@ static int rpaphp_check_drc_props_v2(struct device_node *dn, char *drc_name,

/* Should now know end of current entry */

- if (my_index > drc.last_drc_index) - continue; - - fndit = 1; - break; + /* Found it */ + if (my_index <= drc.last_drc_index) { + sprintf(cell_drc_name, "%s%d", drc.drc_name_prefix, + my_index); + break; + } } - /* Found it */ - - if (fndit) - sprintf(cell_drc_name, "%s%d", drc.drc_name_prefix, - my_index);

if (((drc_name == NULL) || (drc_name && !strcmp(drc_name, cell_drc_name))) && diff --git a/drivers/pci/pci-bridge-emul.c b/drivers/pci/pci-bridge-emul.c index 06083b86d4f4..5fd90105510d 100644 --- a/drivers/pci/pci-bridge-emul.c +++ b/drivers/pci/pci-bridge-emul.c @@ -38,7 +38,7 @@ struct pci_bridge_reg_behavior { u32 rsvd; };

-const static struct pci_bridge_reg_behavior pci_regs_behavior[] = { +static const struct pci_bridge_reg_behavior pci_regs_behavior[] = { [PCI_VENDOR_ID / 4] = { .ro = ~0 }, [PCI_COMMAND / 4] = { .rw = (PCI_COMMAND_IO | PCI_COMMAND_MEMORY | @@ -173,7 +173,7 @@ const static struct pci_bridge_reg_behavior pci_regs_behavior[] = { }, };

-const static struct pci_bridge_reg_behavior pcie_cap_regs_behavior[] = { +static const struct pci_bridge_reg_behavior pcie_cap_regs_behavior[] = { [PCI_CAP_LIST_ID / 4] = { /* * Capability ID, Next Capability Pointer and diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 1b27b5af3d55..1f17da3dfeac 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -890,8 +890,8 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state)

pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK); - if (dev->current_state != state && printk_ratelimit()) - pci_info(dev, "Refused to change power state, currently in D%d\n", + if (dev->current_state != state) + pci_info_ratelimited(dev, "Refused to change power state, currently in D%d\n", dev->current_state);

/* diff --git a/drivers/pinctrl/meson/pinctrl-meson-gxbb.c b/drivers/pinctrl/meson/pinctrl-meson-gxbb.c index 6c640837073e..5bfa56f3847e 100644 --- a/drivers/pinctrl/meson/pinctrl-meson-gxbb.c +++ b/drivers/pinctrl/meson/pinctrl-meson-gxbb.c @@ -192,8 +192,8 @@ static const unsigned int uart_rts_b_pins[] = { GPIODV_27 };

static const unsigned int uart_tx_c_pins[] = { GPIOY_13 }; static const unsigned int uart_rx_c_pins[] = { GPIOY_14 }; -static const unsigned int uart_cts_c_pins[] = { GPIOX_11 }; -static const unsigned int uart_rts_c_pins[] = { GPIOX_12 }; +static const unsigned int uart_cts_c_pins[] = { GPIOY_11 }; +static const unsigned int uart_rts_c_pins[] = { GPIOY_12 };

static const unsigned int i2c_sck_a_pins[] = { GPIODV_25 }; static const unsigned int i2c_sda_a_pins[] = { GPIODV_24 }; @@ -439,10 +439,10 @@ static struct meson_pmx_group meson_gxbb_periphs_groups[] = { GROUP(pwm_f_x, 3, 18),

/* Bank Y */ - GROUP(uart_cts_c, 1, 19), - GROUP(uart_rts_c, 1, 18), - GROUP(uart_tx_c, 1, 17), - GROUP(uart_rx_c, 1, 16), + GROUP(uart_cts_c, 1, 17), + GROUP(uart_rts_c, 1, 16), + GROUP(uart_tx_c, 1, 19), + GROUP(uart_rx_c, 1, 18), GROUP(pwm_a_y, 1, 21), GROUP(pwm_f_y, 1, 20), GROUP(i2s_out_ch23_y, 1, 5), diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 9b9c61e3f065..977792654e01 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -565,15 +565,25 @@ static irqreturn_t amd_gpio_irq_handler(int irq, void *dev_id) !(regval & BIT(INTERRUPT_MASK_OFF))) continue; irq = irq_find_mapping(gc->irq.domain, irqnr + i); - generic_handle_irq(irq); + if (irq != 0) + generic_handle_irq(irq);

/* Clear interrupt. * We must read the pin register again, in case the * value was changed while executing * generic_handle_irq() above. + * If we didn't find a mapping for the interrupt, + * disable it in order to avoid a system hang caused + * by an interrupt storm. */ raw_spin_lock_irqsave(&gpio_dev->lock, flags); regval = readl(regs + i); + if (irq == 0) { + regval &= ~BIT(INTERRUPT_ENABLE_OFF); + dev_dbg(&gpio_dev->pdev->dev, + "Disabling spurious GPIO IRQ %d\n", + irqnr + i); + } writel(regval, regs + i); raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); ret = IRQ_HANDLED; diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c index d3332da35637..31b6e511670f 100644 --- a/drivers/pinctrl/pinctrl-stmfx.c +++ b/drivers/pinctrl/pinctrl-stmfx.c @@ -296,29 +296,29 @@ static int stmfx_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, switch (param) { case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT: case PIN_CONFIG_BIAS_DISABLE: + case PIN_CONFIG_DRIVE_PUSH_PULL: + ret = stmfx_pinconf_set_type(pctl, pin, 0); + if (ret) + return ret; + break; case PIN_CONFIG_BIAS_PULL_DOWN: + ret = stmfx_pinconf_set_type(pctl, pin, 1); + if (ret) + return ret; ret = stmfx_pinconf_set_pupd(pctl, pin, 0); if (ret) return ret; break; case PIN_CONFIG_BIAS_PULL_UP: - ret = stmfx_pinconf_set_pupd(pctl, pin, 1); + ret = stmfx_pinconf_set_type(pctl, pin, 1); if (ret) return ret; - break; - case PIN_CONFIG_DRIVE_OPEN_DRAIN: - if (!dir) - ret = stmfx_pinconf_set_type(pctl, pin, 1); - else - ret = stmfx_pinconf_set_type(pctl, pin, 0); + ret = stmfx_pinconf_set_pupd(pctl, pin, 1); if (ret) return ret; break; - case PIN_CONFIG_DRIVE_PUSH_PULL: - if (!dir) - ret = stmfx_pinconf_set_type(pctl, pin, 0); - else - ret = stmfx_pinconf_set_type(pctl, pin, 1); + case PIN_CONFIG_DRIVE_OPEN_DRAIN: + ret = stmfx_pinconf_set_type(pctl, pin, 1); if (ret) return ret; break; diff --git a/drivers/pinctrl/tegra/pinctrl-tegra.c b/drivers/pinctrl/tegra/pinctrl-tegra.c index 186ef98e7b2b..f1b523beec5b 100644 --- a/drivers/pinctrl/tegra/pinctrl-tegra.c +++ b/drivers/pinctrl/tegra/pinctrl-tegra.c @@ -32,7 +32,9 @@ static inline u32 pmx_readl(struct tegra_pmx *pmx, u32 bank, u32 reg)

static inline void pmx_writel(struct tegra_pmx *pmx, u32 val, u32 bank, u32 reg) { - writel(val, pmx->regs[bank] + reg); + writel_relaxed(val, pmx->regs[bank] + reg); + /* make sure pinmux register write completed */ + pmx_readl(pmx, bank, reg); }

static int tegra_pinctrl_get_groups_count(struct pinctrl_dev *pctldev) diff --git a/drivers/power/supply/power_supply_hwmon.c b/drivers/power/supply/power_supply_hwmon.c index 51fe60440d12..75cf861ba492 100644 --- a/drivers/power/supply/power_supply_hwmon.c +++ b/drivers/power/supply/power_supply_hwmon.c @@ -284,6 +284,7 @@ int power_supply_add_hwmon_sysfs(struct power_supply *psy) struct device *dev = &psy->dev; struct device *hwmon; int ret, i; + const char *name;

if (!devres_open_group(dev, power_supply_add_hwmon_sysfs, GFP_KERNEL)) @@ -334,7 +335,19 @@ int power_supply_add_hwmon_sysfs(struct power_supply *psy) } }

- hwmon = devm_hwmon_device_register_with_info(dev, psy->desc->name, + name = psy->desc->name; + if (strchr(name, '-')) { + char *new_name; + + new_name = devm_kstrdup(dev, name, GFP_KERNEL); + if (!new_name) { + ret = -ENOMEM; + goto error; + } + strreplace(new_name, '-', '_'); + name = new_name; + } + hwmon = devm_hwmon_device_register_with_info(dev, name, psyhw, &power_supply_hwmon_chip_info, NULL); diff --git a/drivers/ptp/ptp_qoriq.c b/drivers/ptp/ptp_qoriq.c index c61f00b72e15..a577218d1ab7 100644 --- a/drivers/ptp/ptp_qoriq.c +++ b/drivers/ptp/ptp_qoriq.c @@ -507,6 +507,8 @@ int ptp_qoriq_init(struct ptp_qoriq *ptp_qoriq, void __iomem *base, ptp_qoriq->regs.etts_regs = base + ETTS_REGS_OFFSET; }

+ spin_lock_init(&ptp_qoriq->lock); + ktime_get_real_ts64(&now); ptp_qoriq_settime(&ptp_qoriq->caps, &now);

@@ -514,7 +516,6 @@ int ptp_qoriq_init(struct ptp_qoriq *ptp_qoriq, void __iomem *base, (ptp_qoriq->tclk_period & TCLK_PERIOD_MASK) << TCLK_PERIOD_SHIFT | (ptp_qoriq->cksel & CKSEL_MASK) << CKSEL_SHIFT;

- spin_lock_init(&ptp_qoriq->lock); spin_lock_irqsave(&ptp_qoriq->lock, flags);

regs = &ptp_qoriq->regs; diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index e72f65b61176..add43c337489 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -500,6 +500,7 @@ config RTC_DRV_M41T80_WDT watchdog timer in the ST M41T60 and M41T80 RTC chips series. config RTC_DRV_BD70528 tristate "ROHM BD70528 PMIC RTC" + depends on MFD_ROHM_BD70528 && (BD70528_WATCHDOG || !BD70528_WATCHDOG) help If you say Y here you will get support for the RTC on ROHM BD70528 Power Management IC. diff --git a/drivers/rtc/rtc-pcf85363.c b/drivers/rtc/rtc-pcf85363.c index a075e77617dc..3450d615974d 100644 --- a/drivers/rtc/rtc-pcf85363.c +++ b/drivers/rtc/rtc-pcf85363.c @@ -166,7 +166,12 @@ static int pcf85363_rtc_set_time(struct device *dev, struct rtc_time *tm) buf[DT_YEARS] = bin2bcd(tm->tm_year % 100);

ret = regmap_bulk_write(pcf85363->regmap, CTRL_STOP_EN, - tmp, sizeof(tmp)); + tmp, 2); + if (ret) + return ret; + + ret = regmap_bulk_write(pcf85363->regmap, DT_100THS, + buf, sizeof(tmp) - 2); if (ret) return ret;

diff --git a/drivers/rtc/rtc-snvs.c b/drivers/rtc/rtc-snvs.c index 7ee673a25fd0..4f9a107a0427 100644 --- a/drivers/rtc/rtc-snvs.c +++ b/drivers/rtc/rtc-snvs.c @@ -279,6 +279,10 @@ static int snvs_rtc_probe(struct platform_device *pdev) if (!data) return -ENOMEM;

+ data->rtc = devm_rtc_allocate_device(&pdev->dev); + if (IS_ERR(data->rtc)) + return PTR_ERR(data->rtc); + data->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "regmap");

if (IS_ERR(data->regmap)) { @@ -343,10 +347,9 @@ static int snvs_rtc_probe(struct platform_device *pdev) goto error_rtc_device_register; }

- data->rtc = devm_rtc_device_register(&pdev->dev, pdev->name, - &snvs_rtc_ops, THIS_MODULE); - if (IS_ERR(data->rtc)) { - ret = PTR_ERR(data->rtc); + data->rtc->ops = &snvs_rtc_ops; + ret = rtc_register_device(data->rtc); + if (ret) { dev_err(&pdev->dev, "failed to register rtc: %d\n", ret); goto error_rtc_device_register; } diff --git a/drivers/scsi/scsi_logging.c b/drivers/scsi/scsi_logging.c index 39b8cc4574b4..c6ed0b12e807 100644 --- a/drivers/scsi/scsi_logging.c +++ b/drivers/scsi/scsi_logging.c @@ -15,57 +15,15 @@ #include <scsi/scsi_eh.h> #include <scsi/scsi_dbg.h>

-#define SCSI_LOG_SPOOLSIZE 4096 - -#if (SCSI_LOG_SPOOLSIZE / SCSI_LOG_BUFSIZE) > BITS_PER_LONG -#warning SCSI logging bitmask too large -#endif - -struct scsi_log_buf { - char buffer[SCSI_LOG_SPOOLSIZE]; - unsigned long map; -}; - -static DEFINE_PER_CPU(struct scsi_log_buf, scsi_format_log); - static char *scsi_log_reserve_buffer(size_t *len) { - struct scsi_log_buf *buf; - unsigned long map_bits = sizeof(buf->buffer) / SCSI_LOG_BUFSIZE; - unsigned long idx = 0; - - preempt_disable(); - buf = this_cpu_ptr(&scsi_format_log); - idx = find_first_zero_bit(&buf->map, map_bits); - if (likely(idx < map_bits)) { - while (test_and_set_bit(idx, &buf->map)) { - idx = find_next_zero_bit(&buf->map, map_bits, idx); - if (idx >= map_bits) - break; - } - } - if (WARN_ON(idx >= map_bits)) { - preempt_enable(); - return NULL; - } - *len = SCSI_LOG_BUFSIZE; - return buf->buffer + idx * SCSI_LOG_BUFSIZE; + *len = 128; + return kmalloc(*len, GFP_ATOMIC); }

static void scsi_log_release_buffer(char *bufptr) { - struct scsi_log_buf *buf; - unsigned long idx; - int ret; - - buf = this_cpu_ptr(&scsi_format_log); - if (bufptr >= buf->buffer && - bufptr < buf->buffer + SCSI_LOG_SPOOLSIZE) { - idx = (bufptr - buf->buffer) / SCSI_LOG_BUFSIZE; - ret = test_and_clear_bit(idx, &buf->map); - WARN_ON(!ret); - } - preempt_enable(); + kfree(bufptr); }

static inline const char *scmd_name(const struct scsi_cmnd *scmd) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 317873bc0555..ec25a71d0887 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -289,6 +289,16 @@ intel_pdi_get_ch_cap(struct sdw_intel *sdw, unsigned int pdi_num, bool pcm)

if (pcm) { count = intel_readw(shim, SDW_SHIM_PCMSYCHC(link_id, pdi_num)); + + /* + * WORKAROUND: on all existing Intel controllers, pdi + * number 2 reports channel count as 1 even though it + * supports 8 channels. Performing hardcoding for pdi + * number 2. + */ + if (pdi_num == 2) + count = 7; + } else { count = intel_readw(shim, SDW_SHIM_PDMSCAP(link_id)); count = ((count & SDW_SHIM_PDMSCAP_CPSS) >> diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 703948c9fbe1..02206162eaa9 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -438,11 +438,20 @@ static void vfio_pci_disable(struct vfio_pci_device *vdev) pci_write_config_word(pdev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE);

/* - * Try to reset the device. The success of this is dependent on - * being able to lock the device, which is not always possible. + * Try to get the locks ourselves to prevent a deadlock. The + * success of this is dependent on being able to lock the device, + * which is not always possible. + * We can not use the "try" reset interface here, which will + * overwrite the previously restored configuration information. */ - if (vdev->reset_works && !pci_try_reset_function(pdev)) - vdev->needs_reset = false; + if (vdev->reset_works && pci_cfg_access_trylock(pdev)) { + if (device_trylock(&pdev->dev)) { + if (!__pci_reset_function_locked(pdev)) + vdev->needs_reset = false; + device_unlock(&pdev->dev); + } + pci_cfg_access_unlock(pdev); + }

pci_restore_state(pdev); out: diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index b674948e3bb8..3f28e1b5d422 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -432,7 +432,7 @@ static int ssd1307fb_init(struct ssd1307fb_par *par) if (ret < 0) return ret;

- ret = ssd1307fb_write_cmd(par->client, 0x0); + ret = ssd1307fb_write_cmd(par->client, par->page_offset); if (ret < 0) return ret;

diff --git a/fs/9p/cache.c b/fs/9p/cache.c index 995e332eee5c..eb2151fb6049 100644 --- a/fs/9p/cache.c +++ b/fs/9p/cache.c @@ -51,6 +51,8 @@ void v9fs_cache_session_get_cookie(struct v9fs_session_info *v9ses) if (!v9ses->cachetag) { if (v9fs_random_cachetag(v9ses) < 0) { v9ses->fscache = NULL; + kfree(v9ses->cachetag); + v9ses->cachetag = NULL; return; } } diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c index 8e83741b02e0..d4d4fdfac1a6 100644 --- a/fs/ext4/block_validity.c +++ b/fs/ext4/block_validity.c @@ -38,6 +38,7 @@ int __init ext4_init_system_zone(void)

void ext4_exit_system_zone(void) { + rcu_barrier(); kmem_cache_destroy(ext4_system_zone_cachep); }

@@ -49,17 +50,26 @@ static inline int can_merge(struct ext4_system_zone *entry1, return 0; }

+static void release_system_zone(struct ext4_system_blocks *system_blks) +{ + struct ext4_system_zone *entry, *n; + + rbtree_postorder_for_each_entry_safe(entry, n, + &system_blks->root, node) + kmem_cache_free(ext4_system_zone_cachep, entry); +} + /* * Mark a range of blocks as belonging to the "system zone" --- that * is, filesystem metadata blocks which should never be used by * inodes. */ -static int add_system_zone(struct ext4_sb_info *sbi, +static int add_system_zone(struct ext4_system_blocks *system_blks, ext4_fsblk_t start_blk, unsigned int count) { struct ext4_system_zone *new_entry = NULL, *entry; - struct rb_node **n = &sbi->system_blks.rb_node, *node; + struct rb_node **n = &system_blks->root.rb_node, *node; struct rb_node *parent = NULL, *new_node = NULL;

while (*n) { @@ -91,7 +101,7 @@ static int add_system_zone(struct ext4_sb_info *sbi, new_node = &new_entry->node;

rb_link_node(new_node, parent, n); - rb_insert_color(new_node, &sbi->system_blks); + rb_insert_color(new_node, &system_blks->root); }

/* Can we merge to the left? */ @@ -101,7 +111,7 @@ static int add_system_zone(struct ext4_sb_info *sbi, if (can_merge(entry, new_entry)) { new_entry->start_blk = entry->start_blk; new_entry->count += entry->count; - rb_erase(node, &sbi->system_blks); + rb_erase(node, &system_blks->root); kmem_cache_free(ext4_system_zone_cachep, entry); } } @@ -112,7 +122,7 @@ static int add_system_zone(struct ext4_sb_info *sbi, entry = rb_entry(node, struct ext4_system_zone, node); if (can_merge(new_entry, entry)) { new_entry->count += entry->count; - rb_erase(node, &sbi->system_blks); + rb_erase(node, &system_blks->root); kmem_cache_free(ext4_system_zone_cachep, entry); } } @@ -126,7 +136,7 @@ static void debug_print_tree(struct ext4_sb_info *sbi) int first = 1;

printk(KERN_INFO "System zones: "); - node = rb_first(&sbi->system_blks); + node = rb_first(&sbi->system_blks->root); while (node) { entry = rb_entry(node, struct ext4_system_zone, node); printk(KERN_CONT "%s%llu-%llu", first ? "" : ", ", @@ -137,7 +147,47 @@ static void debug_print_tree(struct ext4_sb_info *sbi) printk(KERN_CONT "\n"); }

-static int ext4_protect_reserved_inode(struct super_block *sb, u32 ino) +/* + * Returns 1 if the passed-in block region (start_blk, + * start_blk+count) is valid; 0 if some part of the block region + * overlaps with filesystem metadata blocks. + */ +static int ext4_data_block_valid_rcu(struct ext4_sb_info *sbi, + struct ext4_system_blocks *system_blks, + ext4_fsblk_t start_blk, + unsigned int count) +{ + struct ext4_system_zone *entry; + struct rb_node *n; + + if ((start_blk <= le32_to_cpu(sbi->s_es->s_first_data_block)) || + (start_blk + count < start_blk) || + (start_blk + count > ext4_blocks_count(sbi->s_es))) { + sbi->s_es->s_last_error_block = cpu_to_le64(start_blk); + return 0; + } + + if (system_blks == NULL) + return 1; + + n = system_blks->root.rb_node; + while (n) { + entry = rb_entry(n, struct ext4_system_zone, node); + if (start_blk + count - 1 < entry->start_blk) + n = n->rb_left; + else if (start_blk >= (entry->start_blk + entry->count)) + n = n->rb_right; + else { + sbi->s_es->s_last_error_block = cpu_to_le64(start_blk); + return 0; + } + } + return 1; +} + +static int ext4_protect_reserved_inode(struct super_block *sb, + struct ext4_system_blocks *system_blks, + u32 ino) { struct inode *inode; struct ext4_sb_info *sbi = EXT4_SB(sb); @@ -163,14 +213,15 @@ static int ext4_protect_reserved_inode(struct super_block *sb, u32 ino) if (n == 0) { i++; } else { - if (!ext4_data_block_valid(sbi, map.m_pblk, n)) { + if (!ext4_data_block_valid_rcu(sbi, system_blks, + map.m_pblk, n)) { ext4_error(sb, "blocks %llu-%llu from inode %u " "overlap system zone", map.m_pblk, map.m_pblk + map.m_len - 1, ino); err = -EFSCORRUPTED; break; } - err = add_system_zone(sbi, map.m_pblk, n); + err = add_system_zone(system_blks, map.m_pblk, n); if (err < 0) break; i += n; @@ -180,94 +231,130 @@ static int ext4_protect_reserved_inode(struct super_block *sb, u32 ino) return err; }

+static void ext4_destroy_system_zone(struct rcu_head *rcu) +{ + struct ext4_system_blocks *system_blks; + + system_blks = container_of(rcu, struct ext4_system_blocks, rcu); + release_system_zone(system_blks); + kfree(system_blks); +} + +/* + * Build system zone rbtree which is used for block validity checking. + * + * The update of system_blks pointer in this function is protected by + * sb->s_umount semaphore. However we have to be careful as we can be + * racing with ext4_data_block_valid() calls reading system_blks rbtree + * protected only by RCU. That's why we first build the rbtree and then + * swap it in place. + */ int ext4_setup_system_zone(struct super_block *sb) { ext4_group_t ngroups = ext4_get_groups_count(sb); struct ext4_sb_info *sbi = EXT4_SB(sb); + struct ext4_system_blocks *system_blks; struct ext4_group_desc *gdp; ext4_group_t i; int flex_size = ext4_flex_bg_size(sbi); int ret;

if (!test_opt(sb, BLOCK_VALIDITY)) { - if (sbi->system_blks.rb_node) + if (sbi->system_blks) ext4_release_system_zone(sb); return 0; } - if (sbi->system_blks.rb_node) + if (sbi->system_blks) return 0;

+ system_blks = kzalloc(sizeof(*system_blks), GFP_KERNEL); + if (!system_blks) + return -ENOMEM; + for (i=0; i < ngroups; i++) { cond_resched(); if (ext4_bg_has_super(sb, i) && ((i < 5) || ((i % flex_size) == 0))) - add_system_zone(sbi, ext4_group_first_block_no(sb, i), + add_system_zone(system_blks, + ext4_group_first_block_no(sb, i), ext4_bg_num_gdb(sb, i) + 1); gdp = ext4_get_group_desc(sb, i, NULL); - ret = add_system_zone(sbi, ext4_block_bitmap(sb, gdp), 1); + ret = add_system_zone(system_blks, + ext4_block_bitmap(sb, gdp), 1); if (ret) - return ret; - ret = add_system_zone(sbi, ext4_inode_bitmap(sb, gdp), 1); + goto err; + ret = add_system_zone(system_blks, + ext4_inode_bitmap(sb, gdp), 1); if (ret) - return ret; - ret = add_system_zone(sbi, ext4_inode_table(sb, gdp), + goto err; + ret = add_system_zone(system_blks, + ext4_inode_table(sb, gdp), sbi->s_itb_per_group); if (ret) - return ret; + goto err; } if (ext4_has_feature_journal(sb) && sbi->s_es->s_journal_inum) { - ret = ext4_protect_reserved_inode(sb, + ret = ext4_protect_reserved_inode(sb, system_blks, le32_to_cpu(sbi->s_es->s_journal_inum)); if (ret) - return ret; + goto err; }

+ /* + * System blks rbtree complete, announce it once to prevent racing + * with ext4_data_block_valid() accessing the rbtree at the same + * time. + */ + rcu_assign_pointer(sbi->system_blks, system_blks); + if (test_opt(sb, DEBUG)) debug_print_tree(sbi); return 0; +err: + release_system_zone(system_blks); + kfree(system_blks); + return ret; }

-/* Called when the filesystem is unmounted */ +/* + * Called when the filesystem is unmounted or when remounting it with + * noblock_validity specified. + * + * The update of system_blks pointer in this function is protected by + * sb->s_umount semaphore. However we have to be careful as we can be + * racing with ext4_data_block_valid() calls reading system_blks rbtree + * protected only by RCU. So we first clear the system_blks pointer and + * then free the rbtree only after RCU grace period expires. + */ void ext4_release_system_zone(struct super_block *sb) { - struct ext4_system_zone *entry, *n; + struct ext4_system_blocks *system_blks;

- rbtree_postorder_for_each_entry_safe(entry, n, - &EXT4_SB(sb)->system_blks, node) - kmem_cache_free(ext4_system_zone_cachep, entry); + system_blks = rcu_dereference_protected(EXT4_SB(sb)->system_blks, + lockdep_is_held(&sb->s_umount)); + rcu_assign_pointer(EXT4_SB(sb)->system_blks, NULL);

- EXT4_SB(sb)->system_blks = RB_ROOT; + if (system_blks) + call_rcu(&system_blks->rcu, ext4_destroy_system_zone); }

-/* - * Returns 1 if the passed-in block region (start_blk, - * start_blk+count) is valid; 0 if some part of the block region - * overlaps with filesystem metadata blocks. - */ int ext4_data_block_valid(struct ext4_sb_info *sbi, ext4_fsblk_t start_blk, unsigned int count) { - struct ext4_system_zone *entry; - struct rb_node *n = sbi->system_blks.rb_node; + struct ext4_system_blocks *system_blks; + int ret;

- if ((start_blk <= le32_to_cpu(sbi->s_es->s_first_data_block)) || - (start_blk + count < start_blk) || - (start_blk + count > ext4_blocks_count(sbi->s_es))) { - sbi->s_es->s_last_error_block = cpu_to_le64(start_blk); - return 0; - } - while (n) { - entry = rb_entry(n, struct ext4_system_zone, node); - if (start_blk + count - 1 < entry->start_blk) - n = n->rb_left; - else if (start_blk >= (entry->start_blk + entry->count)) - n = n->rb_right; - else { - sbi->s_es->s_last_error_block = cpu_to_le64(start_blk); - return 0; - } - } - return 1; + /* + * Lock the system zone to prevent it being released concurrently + * when doing a remount which inverse current "[no]block_validity" + * mount option. + */ + rcu_read_lock(); + system_blks = rcu_dereference(sbi->system_blks); + ret = ext4_data_block_valid_rcu(sbi, system_blks, start_blk, + count); + rcu_read_unlock(); + return ret; }

int ext4_check_blockref(const char *function, unsigned int line, diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index bf660aa7a9e0..c025efcbcf27 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -184,6 +184,14 @@ struct ext4_map_blocks { unsigned int m_flags; };

+/* + * Block validity checking, system zone rbtree. + */ +struct ext4_system_blocks { + struct rb_root root; + struct rcu_head rcu; +}; + /* * Flags for ext4_io_end->flags */ @@ -1421,7 +1429,7 @@ struct ext4_sb_info { int s_jquota_fmt; /* Format of quota to use */ #endif unsigned int s_want_extra_isize; /* New inodes should reserve # bytes */ - struct rb_root system_blks; + struct ext4_system_blocks __rcu *system_blks;

#ifdef EXTENTS_STATS /* ext4 extents stats */ diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 78a1b873e48a..aa3178f1b145 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -873,7 +873,21 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)

static int f2fs_drop_inode(struct inode *inode) { + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); int ret; + + /* + * during filesystem shutdown, if checkpoint is disabled, + * drop useless meta/node dirty pages. + */ + if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { + if (inode->i_ino == F2FS_NODE_INO(sbi) || + inode->i_ino == F2FS_META_INO(sbi)) { + trace_f2fs_drop_inode(inode, 1); + return 1; + } + } + /* * This is to avoid a deadlock condition like below. * writeback_single_inode(inode) diff --git a/fs/fat/dir.c b/fs/fat/dir.c index 1bda2ab6745b..814ad2c2ba80 100644 --- a/fs/fat/dir.c +++ b/fs/fat/dir.c @@ -1100,8 +1100,11 @@ static int fat_zeroed_cluster(struct inode *dir, sector_t blknr, int nr_used, err = -ENOMEM; goto error; } + /* Avoid race with userspace read via bdev */ + lock_buffer(bhs[n]); memset(bhs[n]->b_data, 0, sb->s_blocksize); set_buffer_uptodate(bhs[n]); + unlock_buffer(bhs[n]); mark_buffer_dirty_inode(bhs[n], dir);

n++; @@ -1158,6 +1161,8 @@ int fat_alloc_new_dir(struct inode *dir, struct timespec64 *ts) fat_time_unix2fat(sbi, ts, &time, &date, &time_cs);

de = (struct msdos_dir_entry *)bhs[0]->b_data; + /* Avoid race with userspace read via bdev */ + lock_buffer(bhs[0]); /* filling the new directory slots ("." and ".." entries) */ memcpy(de[0].name, MSDOS_DOT, MSDOS_NAME); memcpy(de[1].name, MSDOS_DOTDOT, MSDOS_NAME); @@ -1180,6 +1185,7 @@ int fat_alloc_new_dir(struct inode *dir, struct timespec64 *ts) de[0].size = de[1].size = 0; memset(de + 2, 0, sb->s_blocksize - 2 * sizeof(*de)); set_buffer_uptodate(bhs[0]); + unlock_buffer(bhs[0]); mark_buffer_dirty_inode(bhs[0], dir);

err = fat_zeroed_cluster(dir, blknr, 1, bhs, MAX_BUF_PER_PAGE); @@ -1237,11 +1243,14 @@ static int fat_add_new_entries(struct inode *dir, void *slots, int nr_slots,

/* fill the directory entry */ copy = min(size, sb->s_blocksize); + /* Avoid race with userspace read via bdev */ + lock_buffer(bhs[n]); memcpy(bhs[n]->b_data, slots, copy); - slots += copy; - size -= copy; set_buffer_uptodate(bhs[n]); + unlock_buffer(bhs[n]); mark_buffer_dirty_inode(bhs[n], dir); + slots += copy; + size -= copy; if (!size) break; n++; diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c index 265983635f2b..3647c65a0f48 100644 --- a/fs/fat/fatent.c +++ b/fs/fat/fatent.c @@ -388,8 +388,11 @@ static int fat_mirror_bhs(struct super_block *sb, struct buffer_head **bhs, err = -ENOMEM; goto error; } + /* Avoid race with userspace read via bdev */ + lock_buffer(c_bh); memcpy(c_bh->b_data, bhs[n]->b_data, sb->s_blocksize); set_buffer_uptodate(c_bh); + unlock_buffer(c_bh); mark_buffer_dirty_inode(c_bh, sbi->fat_inode); if (sb->s_flags & SB_SYNCHRONOUS) err = sync_dirty_buffer(c_bh); diff --git a/fs/fs_context.c b/fs/fs_context.c index 103643c68e3f..87c2c9687d90 100644 --- a/fs/fs_context.c +++ b/fs/fs_context.c @@ -279,10 +279,8 @@ static struct fs_context *alloc_fs_context(struct file_system_type *fs_type, fc->user_ns = get_user_ns(reference->d_sb->s_user_ns); break; case FS_CONTEXT_FOR_RECONFIGURE: - /* We don't pin any namespaces as the superblock's - * subscriptions cannot be changed at this point. - */ atomic_inc(&reference->d_sb->s_active); + fc->user_ns = get_user_ns(reference->d_sb->s_user_ns); fc->root = dget(reference); break; } diff --git a/fs/ocfs2/dlm/dlmunlock.c b/fs/ocfs2/dlm/dlmunlock.c index e78657742bd8..3883633e82eb 100644 --- a/fs/ocfs2/dlm/dlmunlock.c +++ b/fs/ocfs2/dlm/dlmunlock.c @@ -90,7 +90,8 @@ static enum dlm_status dlmunlock_common(struct dlm_ctxt *dlm, enum dlm_status status; int actions = 0; int in_use; - u8 owner; + u8 owner; + int recovery_wait = 0;

mlog(0, "master_node = %d, valblk = %d\n", master_node, flags & LKM_VALBLK); @@ -193,9 +194,12 @@ static enum dlm_status dlmunlock_common(struct dlm_ctxt *dlm, } if (flags & LKM_CANCEL) lock->cancel_pending = 0; - else - lock->unlock_pending = 0; - + else { + if (!lock->unlock_pending) + recovery_wait = 1; + else + lock->unlock_pending = 0; + } }

/* get an extra ref on lock. if we are just switching @@ -229,6 +233,17 @@ static enum dlm_status dlmunlock_common(struct dlm_ctxt *dlm, spin_unlock(&res->spinlock); wake_up(&res->wq);

+ if (recovery_wait) { + spin_lock(&res->spinlock); + /* Unlock request will directly succeed after owner dies, + * and the lock is already removed from grant list. We have to + * wait for RECOVERING done or we miss the chance to purge it + * since the removement is much faster than RECOVERING proc. + */ + __dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_RECOVERING); + spin_unlock(&res->spinlock); + } + /* let the caller's final dlm_lock_put handle the actual kfree */ if (actions & DLM_UNLOCK_FREE_LOCK) { /* this should always be coupled with list removal */ diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index 2bb3468fc93a..8caff834f002 100644 --- a/fs/pstore/ram.c +++ b/fs/pstore/ram.c @@ -144,6 +144,7 @@ static int ramoops_read_kmsg_hdr(char *buffer, struct timespec64 *time, if (sscanf(buffer, RAMOOPS_KERNMSG_HDR "%lld.%lu-%c\n%n", (time64_t *)&time->tv_sec, &time->tv_nsec, &data_type, &header_length) == 3) { + time->tv_nsec *= 1000; if (data_type == 'C') *compressed = true; else @@ -151,6 +152,7 @@ static int ramoops_read_kmsg_hdr(char *buffer, struct timespec64 *time, } else if (sscanf(buffer, RAMOOPS_KERNMSG_HDR "%lld.%lu\n%n", (time64_t *)&time->tv_sec, &time->tv_nsec, &header_length) == 2) { + time->tv_nsec *= 1000; *compressed = false; } else { time->tv_sec = 0; diff --git a/include/linux/dsa/sja1105.h b/include/linux/dsa/sja1105.h index 79435cfc20eb..897e799dbcb9 100644 --- a/include/linux/dsa/sja1105.h +++ b/include/linux/dsa/sja1105.h @@ -31,6 +31,8 @@ #define SJA1105_META_SMAC 0x222222222222ull #define SJA1105_META_DMAC 0x0180C200000Eull

+#define SJA1105_HWTS_RX_EN 0 + /* Global tagger data: each struct sja1105_port has a reference to * the structure defined in struct sja1105_private. */ @@ -42,7 +44,7 @@ struct sja1105_tagger_data { * from taggers running on multiple ports on SMP systems */ spinlock_t meta_lock; - bool hwts_rx_en; + unsigned long state; };

struct sja1105_skb_cb { diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h index ccb73422c2fa..e6f54ef6698b 100644 --- a/include/linux/mailbox/mtk-cmdq-mailbox.h +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h @@ -20,6 +20,9 @@ #define CMDQ_WFE_WAIT BIT(15) #define CMDQ_WFE_WAIT_VALUE 0x1

+/** cmdq event maximum */ +#define CMDQ_MAX_EVENT 0x3ff + /* * CMDQ_CODE_MASK: * set write mask diff --git a/include/linux/mm.h b/include/linux/mm.h index 0334ca97c584..fe4552e1c40b 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1405,7 +1405,11 @@ extern void pagefault_out_of_memory(void);

extern void show_free_areas(unsigned int flags, nodemask_t *nodemask);

+#ifdef CONFIG_MMU extern bool can_do_mlock(void); +#else +static inline bool can_do_mlock(void) { return false; } +#endif extern int user_shm_lock(size_t, struct user_struct *); extern void user_shm_unlock(size_t, struct user_struct *);

diff --git a/include/linux/pci.h b/include/linux/pci.h index 82e4cd1b7ac3..ac8a6c4e1792 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -2435,4 +2435,7 @@ void pci_uevent_ers(struct pci_dev *pdev, enum pci_ers_result err_type); #define pci_notice_ratelimited(pdev, fmt, arg...) \ dev_notice_ratelimited(&(pdev)->dev, fmt, ##arg)

+#define pci_info_ratelimited(pdev, fmt, arg...) \ + dev_info_ratelimited(&(pdev)->dev, fmt, ##arg) + #endif /* LINUX_PCI_H */ diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index 54ade13a9b15..4e8899972db4 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -13,9 +13,6 @@

#define CMDQ_NO_TIMEOUT 0xffffffffu

-/** cmdq event maximum */ -#define CMDQ_MAX_EVENT 0x3ff - struct cmdq_pkt;

struct cmdq_client { diff --git a/include/scsi/scsi_dbg.h b/include/scsi/scsi_dbg.h index e03bd9d41fa8..7b196d234626 100644 --- a/include/scsi/scsi_dbg.h +++ b/include/scsi/scsi_dbg.h @@ -6,8 +6,6 @@ struct scsi_cmnd; struct scsi_device; struct scsi_sense_hdr;

-#define SCSI_LOG_BUFSIZE 128 - extern void scsi_print_command(struct scsi_cmnd *); extern size_t __scsi_format_command(char *, size_t, const unsigned char *, size_t); diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h index a13a62db3565..edc5c887a44c 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -1068,7 +1068,7 @@ TRACE_EVENT(rxrpc_recvmsg, ),

TP_fast_assign( - __entry->call = call->debug_id; + __entry->call = call ? call->debug_id : 0; __entry->why = why; __entry->seq = seq; __entry->offset = offset; diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c index d5870723b8ad..15d70a90b50d 100644 --- a/kernel/kexec_core.c +++ b/kernel/kexec_core.c @@ -300,6 +300,8 @@ static struct page *kimage_alloc_pages(gfp_t gfp_mask, unsigned int order) { struct page *pages;

+ if (fatal_signal_pending(current)) + return NULL; pages = alloc_pages(gfp_mask & ~__GFP_ZERO, order); if (pages) { unsigned int count, i; diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c index c4ce08f43bd6..ab4a4606d19b 100644 --- a/kernel/livepatch/core.c +++ b/kernel/livepatch/core.c @@ -1175,6 +1175,7 @@ int klp_module_coming(struct module *mod) pr_warn("patch '%s' failed for module '%s', refusing to load module '%s'\n", patch->mod->name, obj->mod->name, obj->mod->name); mod->klp_alive = false; + obj->mod = NULL; klp_cleanup_module_patches_limited(mod, patch); mutex_unlock(&klp_mutex);

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 5960e2980a8a..4d39540011e2 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -596,7 +596,7 @@ config DEBUG_KMEMLEAK_EARLY_LOG_SIZE int "Maximum kmemleak early log entries" depends on DEBUG_KMEMLEAK range 200 40000 - default 400 + default 16000 help Kmemleak must track all the memory allocations to avoid reporting false positives. Since memory may be allocated or diff --git a/net/core/sock.c b/net/core/sock.c index 545fac19a711..3aa93af51d48 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1700,8 +1700,6 @@ static void __sk_destruct(struct rcu_head *head) sk_filter_uncharge(sk, filter); RCU_INIT_POINTER(sk->sk_filter, NULL); } - if (rcu_access_pointer(sk->sk_reuseport_cb)) - reuseport_detach_sock(sk);

sock_disable_timestamp(sk, SK_FLAGS_TIMESTAMP);

@@ -1728,7 +1726,14 @@ static void __sk_destruct(struct rcu_head *head)

void sk_destruct(struct sock *sk) { - if (sock_flag(sk, SOCK_RCU_FREE)) + bool use_call_rcu = sock_flag(sk, SOCK_RCU_FREE); + + if (rcu_access_pointer(sk->sk_reuseport_cb)) { + reuseport_detach_sock(sk); + use_call_rcu = true; + } + + if (use_call_rcu) call_rcu(&sk->sk_rcu, __sk_destruct); else __sk_destruct(&sk->sk_rcu); diff --git a/net/dsa/tag_sja1105.c b/net/dsa/tag_sja1105.c index 47ee88163a9d..27fe80d07460 100644 --- a/net/dsa/tag_sja1105.c +++ b/net/dsa/tag_sja1105.c @@ -155,7 +155,11 @@ static struct sk_buff /* Step 1: A timestampable frame was received. * Buffer it until we get its meta frame. */ - if (is_link_local && sp->data->hwts_rx_en) { + if (is_link_local) { + if (!test_bit(SJA1105_HWTS_RX_EN, &sp->data->state)) + /* Do normal processing. */ + return skb; + spin_lock(&sp->data->meta_lock); /* Was this a link-local frame instead of the meta * that we were expecting? @@ -186,6 +190,12 @@ static struct sk_buff } else if (is_meta) { struct sk_buff *stampable_skb;

+ /* Drop the meta frame if we're not in the right state + * to process it. + */ + if (!test_bit(SJA1105_HWTS_RX_EN, &sp->data->state)) + return NULL; + spin_lock(&sp->data->meta_lock);

stampable_skb = sp->data->stampable_skb; diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index a53a543fe055..52690bb3e40f 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -1446,6 +1446,7 @@ static void erspan_setup(struct net_device *dev) struct ip_tunnel *t = netdev_priv(dev);

ether_setup(dev); + dev->max_mtu = 0; dev->netdev_ops = &erspan_netdev_ops; dev->priv_flags &= ~IFF_TX_SKB_SHARING; dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 7dcce724c78b..14654876127e 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -916,16 +916,15 @@ void ip_rt_send_redirect(struct sk_buff *skb) if (peer->rate_tokens == 0 || time_after(jiffies, (peer->rate_last + - (ip_rt_redirect_load << peer->rate_tokens)))) { + (ip_rt_redirect_load << peer->n_redirects)))) { __be32 gw = rt_nexthop(rt, ip_hdr(skb)->daddr);

icmp_send(skb, ICMP_REDIRECT, ICMP_REDIR_HOST, gw); peer->rate_last = jiffies; - ++peer->rate_tokens; ++peer->n_redirects; #ifdef CONFIG_IP_ROUTE_VERBOSE if (log_martians && - peer->rate_tokens == ip_rt_redirect_number) + peer->n_redirects == ip_rt_redirect_number) net_warn_ratelimited("host %pI4/if%d ignores redirects for %pI4 to %pI4\n", &ip_hdr(skb)->saddr, inet_iif(skb), &ip_hdr(skb)->daddr, &gw); diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index 3e8b38c73d8c..483323332d74 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -198,8 +198,13 @@ static bool retransmits_timed_out(struct sock *sk, return false;

start_ts = tcp_sk(sk)->retrans_stamp; - if (likely(timeout == 0)) - timeout = tcp_model_timeout(sk, boundary, TCP_RTO_MIN); + if (likely(timeout == 0)) { + unsigned int rto_base = TCP_RTO_MIN; + + if ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) + rto_base = tcp_timeout_init(sk); + timeout = tcp_model_timeout(sk, boundary, rto_base); + }

return (s32)(tcp_time_stamp(tcp_sk(sk)) - start_ts - timeout) >= 0; } diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 16486c8b708b..5e5d0575a43c 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -821,6 +821,7 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4, int is_udplite = IS_UDPLITE(sk); int offset = skb_transport_offset(skb); int len = skb->len - offset; + int datalen = len - sizeof(*uh); __wsum csum = 0;

/* @@ -854,10 +855,12 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4, return -EIO; }

- skb_shinfo(skb)->gso_size = cork->gso_size; - skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4; - skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(len - sizeof(uh), - cork->gso_size); + if (datalen > cork->gso_size) { + skb_shinfo(skb)->gso_size = cork->gso_size; + skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4; + skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(datalen, + cork->gso_size); + } goto csum_partial; }

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 6a576ff92c39..34ccef18b40e 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -5964,13 +5964,20 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) switch (event) { case RTM_NEWADDR: /* - * If the address was optimistic - * we inserted the route at the start of - * our DAD process, so we don't need - * to do it again + * If the address was optimistic we inserted the route at the + * start of our DAD process, so we don't need to do it again. + * If the device was taken down in the middle of the DAD + * cycle there is a race where we could get here without a + * host route, so nothing to insert. That will be fixed when + * the device is brought up. */ - if (!rcu_access_pointer(ifp->rt->fib6_node)) + if (ifp->rt && !rcu_access_pointer(ifp->rt->fib6_node)) { ip6_ins_rt(net, ifp->rt); + } else if (!ifp->rt && (ifp->idev->dev->flags & IFF_UP)) { + pr_warn("BUG: Address %pI6c on device %s is missing its host route.\n", + &ifp->addr, ifp->idev->dev->name); + } + if (ifp->idev->cnf.forwarding) addrconf_join_anycast(ifp); if (!ipv6_addr_any(&ifp->peer_addr)) diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index fa014d5f1732..a593aaf25748 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -221,6 +221,16 @@ static struct sk_buff *ip6_rcv_core(struct sk_buff *skb, struct net_device *dev, if (ipv6_addr_is_multicast(&hdr->saddr)) goto err;

+ /* While RFC4291 is not explicit about v4mapped addresses + * in IPv6 headers, it seems clear linux dual-stack + * model can not deal properly with these. + * Security models could be fooled by ::ffff:127.0.0.1 for example. + * + * https://tools.ietf.org/html/draft-itojun-v6ops-v4mapped-harmful-02 + */ + if (ipv6_addr_v4mapped(&hdr->saddr)) + goto err; + skb->transport_header = skb->network_header + sizeof(*hdr); IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 5995fdc99d3f..0454a8a3b39c 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1109,6 +1109,7 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6, __wsum csum = 0; int offset = skb_transport_offset(skb); int len = skb->len - offset; + int datalen = len - sizeof(*uh);

/* * Create a UDP header @@ -1141,8 +1142,12 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6, return -EIO; }

- skb_shinfo(skb)->gso_size = cork->gso_size; - skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4; + if (datalen > cork->gso_size) { + skb_shinfo(skb)->gso_size = cork->gso_size; + skb_shinfo(skb)->gso_type = SKB_GSO_UDP_L4; + skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(datalen, + cork->gso_size); + } goto csum_partial; }

diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c index 8dfea26536c9..ccdd790e163a 100644 --- a/net/nfc/llcp_sock.c +++ b/net/nfc/llcp_sock.c @@ -107,9 +107,14 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen) llcp_sock->service_name = kmemdup(llcp_addr.service_name, llcp_sock->service_name_len, GFP_KERNEL); - + if (!llcp_sock->service_name) { + ret = -ENOMEM; + goto put_dev; + } llcp_sock->ssap = nfc_llcp_get_sdp_ssap(local, llcp_sock); if (llcp_sock->ssap == LLCP_SAP_MAX) { + kfree(llcp_sock->service_name); + llcp_sock->service_name = NULL; ret = -EADDRINUSE; goto put_dev; } diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index ea64c90b14e8..17e6ca62f1be 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -970,7 +970,8 @@ static int nfc_genl_dep_link_down(struct sk_buff *skb, struct genl_info *info) int rc; u32 idx;

- if (!info->attrs[NFC_ATTR_DEVICE_INDEX]) + if (!info->attrs[NFC_ATTR_DEVICE_INDEX] || + !info->attrs[NFC_ATTR_TARGET_INDEX]) return -EINVAL;

idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]); @@ -1018,7 +1019,8 @@ static int nfc_genl_llc_get_params(struct sk_buff *skb, struct genl_info *info) struct sk_buff *msg = NULL; u32 idx;

- if (!info->attrs[NFC_ATTR_DEVICE_INDEX]) + if (!info->attrs[NFC_ATTR_DEVICE_INDEX] || + !info->attrs[NFC_ATTR_FIRMWARE_NAME]) return -EINVAL;

idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]); diff --git a/net/rds/ib.c b/net/rds/ib.c index 45acab2de0cf..9de2ae22d583 100644 --- a/net/rds/ib.c +++ b/net/rds/ib.c @@ -143,6 +143,9 @@ static void rds_ib_add_one(struct ib_device *device) refcount_set(&rds_ibdev->refcount, 1); INIT_WORK(&rds_ibdev->free_work, rds_ib_dev_free);

+ INIT_LIST_HEAD(&rds_ibdev->ipaddr_list); + INIT_LIST_HEAD(&rds_ibdev->conn_list); + rds_ibdev->max_wrs = device->attrs.max_qp_wr; rds_ibdev->max_sge = min(device->attrs.max_send_sge, RDS_IB_MAX_SGE);

@@ -203,9 +206,6 @@ static void rds_ib_add_one(struct ib_device *device) device->name, rds_ibdev->use_fastreg ? "FRMR" : "FMR");

- INIT_LIST_HEAD(&rds_ibdev->ipaddr_list); - INIT_LIST_HEAD(&rds_ibdev->conn_list); - down_write(&rds_ib_devices_lock); list_add_tail_rcu(&rds_ibdev->list, &rds_ib_devices); up_write(&rds_ib_devices_lock); diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index 06c7a2da21bc..39b427dc7512 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1127,6 +1127,33 @@ static const struct nla_policy cbq_policy[TCA_CBQ_MAX + 1] = { [TCA_CBQ_POLICE] = { .len = sizeof(struct tc_cbq_police) }, };

+static int cbq_opt_parse(struct nlattr *tb[TCA_CBQ_MAX + 1], + struct nlattr *opt, + struct netlink_ext_ack *extack) +{ + int err; + + if (!opt) { + NL_SET_ERR_MSG(extack, "CBQ options are required for this operation"); + return -EINVAL; + } + + err = nla_parse_nested_deprecated(tb, TCA_CBQ_MAX, opt, + cbq_policy, extack); + if (err < 0) + return err; + + if (tb[TCA_CBQ_WRROPT]) { + const struct tc_cbq_wrropt *wrr = nla_data(tb[TCA_CBQ_WRROPT]); + + if (wrr->priority > TC_CBQ_MAXPRIO) { + NL_SET_ERR_MSG(extack, "priority is bigger than TC_CBQ_MAXPRIO"); + err = -EINVAL; + } + } + return err; +} + static int cbq_init(struct Qdisc *sch, struct nlattr *opt, struct netlink_ext_ack *extack) { @@ -1139,13 +1166,7 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt, hrtimer_init(&q->delay_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED); q->delay_timer.function = cbq_undelay;

- if (!opt) { - NL_SET_ERR_MSG(extack, "CBQ options are required for this operation"); - return -EINVAL; - } - - err = nla_parse_nested_deprecated(tb, TCA_CBQ_MAX, opt, cbq_policy, - extack); + err = cbq_opt_parse(tb, opt, extack); if (err < 0) return err;

@@ -1464,13 +1485,7 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **t struct cbq_class *parent; struct qdisc_rate_table *rtab = NULL;

- if (!opt) { - NL_SET_ERR_MSG(extack, "Mandatory qdisc options missing"); - return -EINVAL; - } - - err = nla_parse_nested_deprecated(tb, TCA_CBQ_MAX, opt, cbq_policy, - extack); + err = cbq_opt_parse(tb, opt, extack); if (err < 0) return err;

diff --git a/net/sched/sch_cbs.c b/net/sched/sch_cbs.c index 4a403d35438f..284ab2dcf47f 100644 --- a/net/sched/sch_cbs.c +++ b/net/sched/sch_cbs.c @@ -306,7 +306,7 @@ static void cbs_set_port_rate(struct net_device *dev, struct cbs_sched_data *q) if (err < 0) goto skip;

- if (ecmd.base.speed != SPEED_UNKNOWN) + if (ecmd.base.speed && ecmd.base.speed != SPEED_UNKNOWN) speed = ecmd.base.speed;

skip: diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c index bad1cbe59a56..05605b30bef3 100644 --- a/net/sched/sch_dsmark.c +++ b/net/sched/sch_dsmark.c @@ -361,6 +361,8 @@ static int dsmark_init(struct Qdisc *sch, struct nlattr *opt, goto errout;

err = -EINVAL; + if (!tb[TCA_DSMARK_INDICES]) + goto errout; indices = nla_get_u16(tb[TCA_DSMARK_INDICES]);

if (hweight32(indices) != 1) diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 8d8bc2ec5cd6..76bebe516194 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -961,12 +961,11 @@ static void taprio_set_picos_per_byte(struct net_device *dev, if (err < 0) goto skip;

- if (ecmd.base.speed != SPEED_UNKNOWN) + if (ecmd.base.speed && ecmd.base.speed != SPEED_UNKNOWN) speed = ecmd.base.speed;

skip: - picos_per_byte = div64_s64(NSEC_PER_SEC * 1000LL * 8, - speed * 1000 * 1000); + picos_per_byte = (USEC_PER_SEC * 8) / speed;

atomic64_set(&q->picos_per_byte, picos_per_byte); netdev_dbg(dev, "taprio: set %s's picos_per_byte to: %lld, linkspeed: %d\n", diff --git a/net/tipc/link.c b/net/tipc/link.c index c2c5c53cad22..b0063d05599e 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -160,6 +160,7 @@ struct tipc_link { struct { u16 len; u16 limit; + struct sk_buff *target_bskb; } backlog[5]; u16 snd_nxt; u16 window; @@ -866,6 +867,7 @@ static void link_prepare_wakeup(struct tipc_link *l) void tipc_link_reset(struct tipc_link *l) { struct sk_buff_head list; + u32 imp;

__skb_queue_head_init(&list);

@@ -887,11 +889,10 @@ void tipc_link_reset(struct tipc_link *l) __skb_queue_purge(&l->deferdq); __skb_queue_purge(&l->backlogq); __skb_queue_purge(&l->failover_deferdq); - l->backlog[TIPC_LOW_IMPORTANCE].len = 0; - l->backlog[TIPC_MEDIUM_IMPORTANCE].len = 0; - l->backlog[TIPC_HIGH_IMPORTANCE].len = 0; - l->backlog[TIPC_CRITICAL_IMPORTANCE].len = 0; - l->backlog[TIPC_SYSTEM_IMPORTANCE].len = 0; + for (imp = 0; imp <= TIPC_SYSTEM_IMPORTANCE; imp++) { + l->backlog[imp].len = 0; + l->backlog[imp].target_bskb = NULL; + } kfree_skb(l->reasm_buf); kfree_skb(l->failover_reasm_skb); l->reasm_buf = NULL; @@ -931,7 +932,7 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list, u16 bc_ack = l->bc_rcvlink->rcv_nxt - 1; struct sk_buff_head *transmq = &l->transmq; struct sk_buff_head *backlogq = &l->backlogq; - struct sk_buff *skb, *_skb, *bskb; + struct sk_buff *skb, *_skb, **tskb; int pkt_cnt = skb_queue_len(list); int rc = 0;

@@ -980,19 +981,21 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list, seqno++; continue; } - if (tipc_msg_bundle(skb_peek_tail(backlogq), hdr, mtu)) { + tskb = &l->backlog[imp].target_bskb; + if (tipc_msg_bundle(*tskb, hdr, mtu)) { kfree_skb(__skb_dequeue(list)); l->stats.sent_bundled++; continue; } - if (tipc_msg_make_bundle(&bskb, hdr, mtu, l->addr)) { + if (tipc_msg_make_bundle(tskb, hdr, mtu, l->addr)) { kfree_skb(__skb_dequeue(list)); - __skb_queue_tail(backlogq, bskb); - l->backlog[msg_importance(buf_msg(bskb))].len++; + __skb_queue_tail(backlogq, *tskb); + l->backlog[imp].len++; l->stats.sent_bundled++; l->stats.sent_bundles++; continue; } + l->backlog[imp].target_bskb = NULL; l->backlog[imp].len += skb_queue_len(list); skb_queue_splice_tail_init(list, backlogq); } @@ -1008,6 +1011,7 @@ static void tipc_link_advance_backlog(struct tipc_link *l, u16 seqno = l->snd_nxt; u16 ack = l->rcv_nxt - 1; u16 bc_ack = l->bc_rcvlink->rcv_nxt - 1; + u32 imp;

while (skb_queue_len(&l->transmq) < l->window) { skb = skb_peek(&l->backlogq); @@ -1018,7 +1022,10 @@ static void tipc_link_advance_backlog(struct tipc_link *l, break; __skb_dequeue(&l->backlogq); hdr = buf_msg(skb); - l->backlog[msg_importance(hdr)].len--; + imp = msg_importance(hdr); + l->backlog[imp].len--; + if (unlikely(skb == l->backlog[imp].target_bskb)) + l->backlog[imp].target_bskb = NULL; __skb_queue_tail(&l->transmq, skb); /* next retransmit attempt */ if (link_is_bc_sndlink(l)) diff --git a/net/tipc/msg.c b/net/tipc/msg.c index f48e5857210f..b956ce4a40ef 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -484,10 +484,7 @@ bool tipc_msg_make_bundle(struct sk_buff **skb, struct tipc_msg *msg, bmsg = buf_msg(_skb); tipc_msg_init(msg_prevnode(msg), bmsg, MSG_BUNDLER, 0, INT_H_SIZE, dnode); - if (msg_isdata(msg)) - msg_set_importance(bmsg, TIPC_CRITICAL_IMPORTANCE); - else - msg_set_importance(bmsg, TIPC_SYSTEM_IMPORTANCE); + msg_set_importance(bmsg, msg_importance(msg)); msg_set_seqno(bmsg, msg_seqno(msg)); msg_set_ack(bmsg, msg_ack(msg)); msg_set_bcast_ack(bmsg, msg_bcast_ack(msg)); diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index ab47bf3ab66e..2ab43b2bba31 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -638,7 +638,7 @@ struct sock *__vsock_create(struct net *net, } EXPORT_SYMBOL_GPL(__vsock_create);

-static void __vsock_release(struct sock *sk) +static void __vsock_release(struct sock *sk, int level) { if (sk) { struct sk_buff *skb; @@ -648,9 +648,17 @@ static void __vsock_release(struct sock *sk) vsk = vsock_sk(sk); pending = NULL; /* Compiler warning. */

+ /* The release call is supposed to use lock_sock_nested() + * rather than lock_sock(), if a sock lock should be acquired. + */ transport->release(vsk);

- lock_sock(sk); + /* When "level" is SINGLE_DEPTH_NESTING, use the nested + * version to avoid the warning "possible recursive locking + * detected". When "level" is 0, lock_sock_nested(sk, level) + * is the same as lock_sock(sk). + */ + lock_sock_nested(sk, level); sock_orphan(sk); sk->sk_shutdown = SHUTDOWN_MASK;

@@ -659,7 +667,7 @@ static void __vsock_release(struct sock *sk)

/* Clean up any sockets that never were accepted. */ while ((pending = vsock_dequeue_accept(sk)) != NULL) { - __vsock_release(pending); + __vsock_release(pending, SINGLE_DEPTH_NESTING); sock_put(pending); }

@@ -708,7 +716,7 @@ EXPORT_SYMBOL_GPL(vsock_stream_has_space);

static int vsock_release(struct socket *sock) { - __vsock_release(sock->sk); + __vsock_release(sock->sk, 0); sock->sk = NULL; sock->state = SS_FREE;

diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c index 9d864ebeb7b3..4b126b21b453 100644 --- a/net/vmw_vsock/hyperv_transport.c +++ b/net/vmw_vsock/hyperv_transport.c @@ -559,7 +559,7 @@ static void hvs_release(struct vsock_sock *vsk) struct sock *sk = sk_vsock(vsk); bool remove_sock;

- lock_sock(sk); + lock_sock_nested(sk, SINGLE_DEPTH_NESTING); remove_sock = hvs_close_lock_held(vsk); release_sock(sk); if (remove_sock) diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index 6f1a8aff65c5..a7adffd062c7 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -790,7 +790,7 @@ void virtio_transport_release(struct vsock_sock *vsk) struct sock *sk = &vsk->sk; bool remove_sock = true;

- lock_sock(sk); + lock_sock_nested(sk, SINGLE_DEPTH_NESTING); if (sk->sk_type == SOCK_STREAM) remove_sock = virtio_transport_close(vsk);

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 74dd46de01b6..e75517464786 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -3403,7 +3403,7 @@ static int selinux_inode_copy_up_xattr(const char *name) static int selinux_kernfs_init_security(struct kernfs_node *kn_dir, struct kernfs_node *kn) { - const struct task_security_struct *tsec = current_security(); + const struct task_security_struct *tsec = selinux_cred(current_cred()); u32 parent_sid, newsid, clen; int rc; char *context; diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h index 91c5395dd20c..586b7abd0aa7 100644 --- a/security/selinux/include/objsec.h +++ b/security/selinux/include/objsec.h @@ -37,16 +37,6 @@ struct task_security_struct { u32 sockcreate_sid; /* fscreate SID */ };

-/* - * get the subjective security ID of the current task - */ -static inline u32 current_sid(void) -{ - const struct task_security_struct *tsec = current_security(); - - return tsec->sid; -} - enum label_initialized { LABEL_INVALID, /* invalid or not initialized */ LABEL_INITIALIZED, /* initialized */ @@ -185,4 +175,14 @@ static inline struct ipc_security_struct *selinux_ipc( return ipc->security + selinux_blob_sizes.lbs_ipc; }

+/* + * get the subjective security ID of the current task + */ +static inline u32 current_sid(void) +{ + const struct task_security_struct *tsec = selinux_cred(current_cred()); + + return tsec->sid; +} + #endif /* _SELINUX_OBJSEC_H_ */ diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c index f1c93a7be9ec..38ac3da4e791 100644 --- a/security/smack/smack_access.c +++ b/security/smack/smack_access.c @@ -465,7 +465,7 @@ char *smk_parse_smack(const char *string, int len) if (i == 0 || i >= SMK_LONGLABEL) return ERR_PTR(-EINVAL);

- smack = kzalloc(i + 1, GFP_KERNEL); + smack = kzalloc(i + 1, GFP_NOFS); if (smack == NULL) return ERR_PTR(-ENOMEM);

@@ -500,7 +500,7 @@ int smk_netlbl_mls(int level, char *catset, struct netlbl_lsm_secattr *sap, if ((m & *cp) == 0) continue; rc = netlbl_catmap_setbit(&sap->attr.mls.cat, - cat, GFP_KERNEL); + cat, GFP_NOFS); if (rc < 0) { netlbl_catmap_free(sap->attr.mls.cat); return rc; @@ -536,7 +536,7 @@ struct smack_known *smk_import_entry(const char *string, int len) if (skp != NULL) goto freeout;

- skp = kzalloc(sizeof(*skp), GFP_KERNEL); + skp = kzalloc(sizeof(*skp), GFP_NOFS); if (skp == NULL) { skp = ERR_PTR(-ENOMEM); goto freeout; diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 4c5e5a438f8b..36b6b9d4cbaf 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -288,7 +288,7 @@ static struct smack_known *smk_fetch(const char *name, struct inode *ip, if (!(ip->i_opflags & IOP_XATTR)) return ERR_PTR(-EOPNOTSUPP);

- buffer = kzalloc(SMK_LONGLABEL, GFP_KERNEL); + buffer = kzalloc(SMK_LONGLABEL, GFP_NOFS); if (buffer == NULL) return ERR_PTR(-ENOMEM);

@@ -937,7 +937,8 @@ static int smack_bprm_set_creds(struct linux_binprm *bprm)

if (rc != 0) return rc; - } else if (bprm->unsafe) + } + if (bprm->unsafe & ~LSM_UNSAFE_PTRACE) return -EPERM;

bsp->smk_task = isp->smk_task; @@ -3925,6 +3926,8 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) skp = smack_ipv6host_label(&sadd); if (skp == NULL) skp = smack_net_ambient; + if (skb == NULL) + break; #ifdef CONFIG_AUDIT smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net); ad.a.u.net->family = family; diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c index 6a10dea01eef..696586407e83 100644 --- a/tools/power/x86/intel-speed-select/isst-config.c +++ b/tools/power/x86/intel-speed-select/isst-config.c @@ -402,6 +402,9 @@ void set_cpu_mask_from_punit_coremask(int cpu, unsigned long long core_mask, int j;

for (j = 0; j < topo_max_cpus; ++j) { + if (!CPU_ISSET_S(j, present_cpumask_size, present_cpumask)) + continue; + if (cpu_map[j].pkg_id == pkg_id && cpu_map[j].die_id == die_id && cpu_map[j].punit_cpu_core == i) { diff --git a/tools/testing/selftests/net/udpgso.c b/tools/testing/selftests/net/udpgso.c index b8265ee9923f..614b31aad168 100644 --- a/tools/testing/selftests/net/udpgso.c +++ b/tools/testing/selftests/net/udpgso.c @@ -89,12 +89,9 @@ struct testcase testcases_v4[] = { .tfail = true, }, { - /* send a single MSS: will fail with GSO, because the segment - * logic in udp4_ufo_fragment demands a gso skb to be > MTU - */ + /* send a single MSS: will fall back to no GSO */ .tlen = CONST_MSS_V4, .gso_len = CONST_MSS_V4, - .tfail = true, .r_num_mss = 1, }, { @@ -139,10 +136,9 @@ struct testcase testcases_v4[] = { .tfail = true, }, { - /* send a single 1B MSS: will fail, see single MSS above */ + /* send a single 1B MSS: will fall back to no GSO */ .tlen = 1, .gso_len = 1, - .tfail = true, .r_num_mss = 1, }, { @@ -196,12 +192,9 @@ struct testcase testcases_v6[] = { .tfail = true, }, { - /* send a single MSS: will fail with GSO, because the segment - * logic in udp4_ufo_fragment demands a gso skb to be > MTU - */ + /* send a single MSS: will fall back to no GSO */ .tlen = CONST_MSS_V6, .gso_len = CONST_MSS_V6, - .tfail = true, .r_num_mss = 1, }, { @@ -246,10 +239,9 @@ struct testcase testcases_v6[] = { .tfail = true, }, { - /* send a single 1B MSS: will fail, see single MSS above */ + /* send a single 1B MSS: will fall back to no GSO */ .tlen = 1, .gso_len = 1, - .tfail = true, .r_num_mss = 1, }, { diff --git a/tools/testing/selftests/powerpc/tm/tm.h b/tools/testing/selftests/powerpc/tm/tm.h index 97f9f491c541..c402464b038f 100644 --- a/tools/testing/selftests/powerpc/tm/tm.h +++ b/tools/testing/selftests/powerpc/tm/tm.h @@ -55,7 +55,8 @@ static inline bool failure_is_unavailable(void) static inline bool failure_is_reschedule(void) { if ((failure_code() & TM_CAUSE_RESCHED) == TM_CAUSE_RESCHED || - (failure_code() & TM_CAUSE_KVM_RESCHED) == TM_CAUSE_KVM_RESCHED) + (failure_code() & TM_CAUSE_KVM_RESCHED) == TM_CAUSE_KVM_RESCHED || + (failure_code() & TM_CAUSE_KVM_FAC_UNAV) == TM_CAUSE_KVM_FAC_UNAV) return true;

return false; diff --git a/usr/Makefile b/usr/Makefile index 6a89eb019275..e6f7cb2f81db 100644 --- a/usr/Makefile +++ b/usr/Makefile @@ -11,6 +11,9 @@ datafile_y = initramfs_data.cpio$(suffix_y) datafile_d_y = .$(datafile_y).d AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/$(datafile_y)"

+# clean rules do not have CONFIG_INITRAMFS_COMPRESSION. So clean up after all +# possible compression formats. +clean-files += initramfs_data.cpio*

# Generate builtin.o based on initramfs_data.o obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data.o