diff options
Diffstat (limited to 'include/asm-generic')
109 files changed, 268 insertions, 73 deletions
diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h index 928fd66b1271..89f3b03b1445 100644 --- a/include/asm-generic/4level-fixup.h +++ b/include/asm-generic/4level-fixup.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _4LEVEL_FIXUP_H #define _4LEVEL_FIXUP_H diff --git a/include/asm-generic/5level-fixup.h b/include/asm-generic/5level-fixup.h index b5ca82dc4175..dfbd9d990637 100644 --- a/include/asm-generic/5level-fixup.h +++ b/include/asm-generic/5level-fixup.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _5LEVEL_FIXUP_H #define _5LEVEL_FIXUP_H diff --git a/include/asm-generic/asm-prototypes.h b/include/asm-generic/asm-prototypes.h index 939869c772b1..2fa2bc208383 100644 --- a/include/asm-generic/asm-prototypes.h +++ b/include/asm-generic/asm-prototypes.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/bitops.h> #undef __memset extern void *__memset(void *, int, __kernel_size_t); diff --git a/include/asm-generic/atomic-long.h b/include/asm-generic/atomic-long.h index 288cc9e96395..49be4bba1e96 100644 --- a/include/asm-generic/atomic-long.h +++ b/include/asm-generic/atomic-long.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_ATOMIC_LONG_H #define _ASM_GENERIC_ATOMIC_LONG_H /* diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h index dad68bf46c77..8d28eb010d0d 100644 --- a/include/asm-generic/atomic64.h +++ b/include/asm-generic/atomic64.h @@ -21,6 +21,8 @@ typedef struct { extern long long atomic64_read(const atomic64_t *v); extern void atomic64_set(atomic64_t *v, long long i); +#define atomic64_set_release(v, i) atomic64_set((v), (i)) + #define ATOMIC64_OP(op) \ extern void atomic64_##op(long long a, atomic64_t *v); diff --git a/include/asm-generic/audit_change_attr.h b/include/asm-generic/audit_change_attr.h index a1865537339b..331670807cf0 100644 --- a/include/asm-generic/audit_change_attr.h +++ b/include/asm-generic/audit_change_attr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef __NR_chmod __NR_chmod, #endif diff --git a/include/asm-generic/audit_dir_write.h b/include/asm-generic/audit_dir_write.h index 7b61db4fe72b..8fb83b43006a 100644 --- a/include/asm-generic/audit_dir_write.h +++ b/include/asm-generic/audit_dir_write.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef __NR_rename __NR_rename, #endif diff --git a/include/asm-generic/audit_read.h b/include/asm-generic/audit_read.h index 3b249cb857dc..7bb7b5a83ae2 100644 --- a/include/asm-generic/audit_read.h +++ b/include/asm-generic/audit_read.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef __NR_readlink __NR_readlink, #endif diff --git a/include/asm-generic/audit_write.h b/include/asm-generic/audit_write.h index 274575d7129f..dfc52b3c103f 100644 --- a/include/asm-generic/audit_write.h +++ b/include/asm-generic/audit_write.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <asm-generic/audit_dir_write.h> __NR_acct, #ifdef __NR_swapon diff --git a/include/asm-generic/bitops.h b/include/asm-generic/bitops.h index dcdcacf2fd2b..bfc96bf6606e 100644 --- a/include/asm-generic/bitops.h +++ b/include/asm-generic/bitops.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_BITOPS_H #define __ASM_GENERIC_BITOPS_H diff --git a/include/asm-generic/bitops/__ffs.h b/include/asm-generic/bitops/__ffs.h index 937d7c435575..39e56e1c7203 100644 --- a/include/asm-generic/bitops/__ffs.h +++ b/include/asm-generic/bitops/__ffs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS___FFS_H_ #define _ASM_GENERIC_BITOPS___FFS_H_ diff --git a/include/asm-generic/bitops/__fls.h b/include/asm-generic/bitops/__fls.h index a60a7ccb6782..03f721a8a2b1 100644 --- a/include/asm-generic/bitops/__fls.h +++ b/include/asm-generic/bitops/__fls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS___FLS_H_ #define _ASM_GENERIC_BITOPS___FLS_H_ diff --git a/include/asm-generic/bitops/arch_hweight.h b/include/asm-generic/bitops/arch_hweight.h index 6a211f40665c..c2705e1d220d 100644 --- a/include/asm-generic/bitops/arch_hweight.h +++ b/include/asm-generic/bitops/arch_hweight.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_ARCH_HWEIGHT_H_ #define _ASM_GENERIC_BITOPS_ARCH_HWEIGHT_H_ diff --git a/include/asm-generic/bitops/atomic.h b/include/asm-generic/bitops/atomic.h index 49673510b484..04deffaf5f7d 100644 --- a/include/asm-generic/bitops/atomic.h +++ b/include/asm-generic/bitops/atomic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_ATOMIC_H_ #define _ASM_GENERIC_BITOPS_ATOMIC_H_ diff --git a/include/asm-generic/bitops/builtin-__ffs.h b/include/asm-generic/bitops/builtin-__ffs.h index 90041e3a41f0..87024da44d10 100644 --- a/include/asm-generic/bitops/builtin-__ffs.h +++ b/include/asm-generic/bitops/builtin-__ffs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_ #define _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_ diff --git a/include/asm-generic/bitops/builtin-__fls.h b/include/asm-generic/bitops/builtin-__fls.h index 0248f386635f..43a5aa9afbdb 100644 --- a/include/asm-generic/bitops/builtin-__fls.h +++ b/include/asm-generic/bitops/builtin-__fls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_BUILTIN___FLS_H_ #define _ASM_GENERIC_BITOPS_BUILTIN___FLS_H_ diff --git a/include/asm-generic/bitops/builtin-ffs.h b/include/asm-generic/bitops/builtin-ffs.h index 064825829e1c..458c85ebcd15 100644 --- a/include/asm-generic/bitops/builtin-ffs.h +++ b/include/asm-generic/bitops/builtin-ffs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_ #define _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_ diff --git a/include/asm-generic/bitops/builtin-fls.h b/include/asm-generic/bitops/builtin-fls.h index eda652d0ac7f..62daf940989d 100644 --- a/include/asm-generic/bitops/builtin-fls.h +++ b/include/asm-generic/bitops/builtin-fls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_BUILTIN_FLS_H_ #define _ASM_GENERIC_BITOPS_BUILTIN_FLS_H_ diff --git a/include/asm-generic/bitops/const_hweight.h b/include/asm-generic/bitops/const_hweight.h index 0a7e06623470..149faeeeeaf2 100644 --- a/include/asm-generic/bitops/const_hweight.h +++ b/include/asm-generic/bitops/const_hweight.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_CONST_HWEIGHT_H_ #define _ASM_GENERIC_BITOPS_CONST_HWEIGHT_H_ diff --git a/include/asm-generic/bitops/ext2-atomic-setbit.h b/include/asm-generic/bitops/ext2-atomic-setbit.h index 5a0997857b34..b041cbf0d899 100644 --- a/include/asm-generic/bitops/ext2-atomic-setbit.h +++ b/include/asm-generic/bitops/ext2-atomic-setbit.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_SETBIT_H_ #define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_SETBIT_H_ diff --git a/include/asm-generic/bitops/ext2-atomic.h b/include/asm-generic/bitops/ext2-atomic.h index 87f0f109d7f1..0cfc3180b074 100644 --- a/include/asm-generic/bitops/ext2-atomic.h +++ b/include/asm-generic/bitops/ext2-atomic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ #define _ASM_GENERIC_BITOPS_EXT2_ATOMIC_H_ diff --git a/include/asm-generic/bitops/ffs.h b/include/asm-generic/bitops/ffs.h index fbbb43af7dc0..e81868b2c0f0 100644 --- a/include/asm-generic/bitops/ffs.h +++ b/include/asm-generic/bitops/ffs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_FFS_H_ #define _ASM_GENERIC_BITOPS_FFS_H_ diff --git a/include/asm-generic/bitops/ffz.h b/include/asm-generic/bitops/ffz.h index 6744bd4cdf46..0d010085fdec 100644 --- a/include/asm-generic/bitops/ffz.h +++ b/include/asm-generic/bitops/ffz.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_FFZ_H_ #define _ASM_GENERIC_BITOPS_FFZ_H_ diff --git a/include/asm-generic/bitops/find.h b/include/asm-generic/bitops/find.h index 998d4d544f18..1ba611e16fa0 100644 --- a/include/asm-generic/bitops/find.h +++ b/include/asm-generic/bitops/find.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_FIND_H_ #define _ASM_GENERIC_BITOPS_FIND_H_ diff --git a/include/asm-generic/bitops/fls.h b/include/asm-generic/bitops/fls.h index 0576d1f42f43..753aecaab641 100644 --- a/include/asm-generic/bitops/fls.h +++ b/include/asm-generic/bitops/fls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_FLS_H_ #define _ASM_GENERIC_BITOPS_FLS_H_ diff --git a/include/asm-generic/bitops/fls64.h b/include/asm-generic/bitops/fls64.h index b097cf8444e3..866f2b2304ff 100644 --- a/include/asm-generic/bitops/fls64.h +++ b/include/asm-generic/bitops/fls64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_FLS64_H_ #define _ASM_GENERIC_BITOPS_FLS64_H_ diff --git a/include/asm-generic/bitops/hweight.h b/include/asm-generic/bitops/hweight.h index a94d6519c7ed..6bf1bba83589 100644 --- a/include/asm-generic/bitops/hweight.h +++ b/include/asm-generic/bitops/hweight.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_HWEIGHT_H_ #define _ASM_GENERIC_BITOPS_HWEIGHT_H_ diff --git a/include/asm-generic/bitops/le.h b/include/asm-generic/bitops/le.h index 61731543c00e..188d3eba3ace 100644 --- a/include/asm-generic/bitops/le.h +++ b/include/asm-generic/bitops/le.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_LE_H_ #define _ASM_GENERIC_BITOPS_LE_H_ diff --git a/include/asm-generic/bitops/lock.h b/include/asm-generic/bitops/lock.h index 8ef0ccbf8167..bc397573c43a 100644 --- a/include/asm-generic/bitops/lock.h +++ b/include/asm-generic/bitops/lock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_LOCK_H_ #define _ASM_GENERIC_BITOPS_LOCK_H_ diff --git a/include/asm-generic/bitops/non-atomic.h b/include/asm-generic/bitops/non-atomic.h index 697cc2b7e0f0..7e10c4b50c5d 100644 --- a/include/asm-generic/bitops/non-atomic.h +++ b/include/asm-generic/bitops/non-atomic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_NON_ATOMIC_H_ #define _ASM_GENERIC_BITOPS_NON_ATOMIC_H_ diff --git a/include/asm-generic/bitops/sched.h b/include/asm-generic/bitops/sched.h index 604fab7031a6..86470cfcef60 100644 --- a/include/asm-generic/bitops/sched.h +++ b/include/asm-generic/bitops/sched.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BITOPS_SCHED_H_ #define _ASM_GENERIC_BITOPS_SCHED_H_ diff --git a/include/asm-generic/bitsperlong.h b/include/asm-generic/bitsperlong.h index d1d70aa19021..3905c1c93dc2 100644 --- a/include/asm-generic/bitsperlong.h +++ b/include/asm-generic/bitsperlong.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_BITS_PER_LONG #define __ASM_GENERIC_BITS_PER_LONG diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index 87191357d303..af2cc94a61bf 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_BUG_H #define _ASM_GENERIC_BUG_H diff --git a/include/asm-generic/bugs.h b/include/asm-generic/bugs.h index 6c4f62ea714d..69021830f078 100644 --- a/include/asm-generic/bugs.h +++ b/include/asm-generic/bugs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_BUGS_H #define __ASM_GENERIC_BUGS_H /* diff --git a/include/asm-generic/cache.h b/include/asm-generic/cache.h index 1bfcfe5c2237..60386e164246 100644 --- a/include/asm-generic/cache.h +++ b/include/asm-generic/cache.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_CACHE_H #define __ASM_GENERIC_CACHE_H /* diff --git a/include/asm-generic/cacheflush.h b/include/asm-generic/cacheflush.h index 87bc536ccde3..0dd47a6db2cf 100644 --- a/include/asm-generic/cacheflush.h +++ b/include/asm-generic/cacheflush.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_CACHEFLUSH_H #define __ASM_CACHEFLUSH_H diff --git a/include/asm-generic/checksum.h b/include/asm-generic/checksum.h index 3150cbd8eb21..34785c0f57b0 100644 --- a/include/asm-generic/checksum.h +++ b/include/asm-generic/checksum.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_CHECKSUM_H #define __ASM_GENERIC_CHECKSUM_H diff --git a/include/asm-generic/cmpxchg-local.h b/include/asm-generic/cmpxchg-local.h index 70bef78912b7..f17f14f84d09 100644 --- a/include/asm-generic/cmpxchg-local.h +++ b/include/asm-generic/cmpxchg-local.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_CMPXCHG_LOCAL_H #define __ASM_GENERIC_CMPXCHG_LOCAL_H diff --git a/include/asm-generic/cmpxchg.h b/include/asm-generic/cmpxchg.h index e5f9080e8e86..9a24510cd8c1 100644 --- a/include/asm-generic/cmpxchg.h +++ b/include/asm-generic/cmpxchg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Generic UP xchg and cmpxchg using interrupt disablement. Does not * support SMP. diff --git a/include/asm-generic/current.h b/include/asm-generic/current.h index 5e86f6ae7cab..3a2e224b9fa0 100644 --- a/include/asm-generic/current.h +++ b/include/asm-generic/current.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_CURRENT_H #define __ASM_GENERIC_CURRENT_H diff --git a/include/asm-generic/delay.h b/include/asm-generic/delay.h index 0f79054ce7cd..e448ac61430c 100644 --- a/include/asm-generic/delay.h +++ b/include/asm-generic/delay.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_DELAY_H #define __ASM_GENERIC_DELAY_H diff --git a/include/asm-generic/div64.h b/include/asm-generic/div64.h index 163f77999ea4..d2013064dc69 100644 --- a/include/asm-generic/div64.h +++ b/include/asm-generic/div64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_DIV64_H #define _ASM_GENERIC_DIV64_H /* diff --git a/include/asm-generic/dma-contiguous.h b/include/asm-generic/dma-contiguous.h index 292c571750f0..f24b0f9a4f05 100644 --- a/include/asm-generic/dma-contiguous.h +++ b/include/asm-generic/dma-contiguous.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_DMA_CONTIGUOUS_H #define _ASM_GENERIC_DMA_CONTIGUOUS_H diff --git a/include/asm-generic/dma.h b/include/asm-generic/dma.h index 9dfc3a7f36d2..43d0c8af8058 100644 --- a/include/asm-generic/dma.h +++ b/include/asm-generic/dma.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_DMA_H #define __ASM_GENERIC_DMA_H /* diff --git a/include/asm-generic/early_ioremap.h b/include/asm-generic/early_ioremap.h index 734ad4db388c..9def22e6e2b3 100644 --- a/include/asm-generic/early_ioremap.h +++ b/include/asm-generic/early_ioremap.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_EARLY_IOREMAP_H_ #define _ASM_EARLY_IOREMAP_H_ @@ -13,6 +14,8 @@ extern void *early_memremap(resource_size_t phys_addr, unsigned long size); extern void *early_memremap_ro(resource_size_t phys_addr, unsigned long size); +extern void *early_memremap_prot(resource_size_t phys_addr, + unsigned long size, unsigned long prot_val); extern void early_iounmap(void __iomem *addr, unsigned long size); extern void early_memunmap(void *addr, unsigned long size); diff --git a/include/asm-generic/emergency-restart.h b/include/asm-generic/emergency-restart.h index 0d68a1eae985..445de38b795e 100644 --- a/include/asm-generic/emergency-restart.h +++ b/include/asm-generic/emergency-restart.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_EMERGENCY_RESTART_H #define _ASM_GENERIC_EMERGENCY_RESTART_H diff --git a/include/asm-generic/extable.h b/include/asm-generic/extable.h index ca14c6664027..f9618bd0723a 100644 --- a/include/asm-generic/extable.h +++ b/include/asm-generic/extable.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_EXTABLE_H #define __ASM_GENERIC_EXTABLE_H diff --git a/include/asm-generic/fb.h b/include/asm-generic/fb.h index fe8ca7fcea00..f9f18101ed36 100644 --- a/include/asm-generic/fb.h +++ b/include/asm-generic/fb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_FB_H_ #define __ASM_GENERIC_FB_H_ #include <linux/fb.h> diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h index bf2d34c9d804..fcb61b4659b3 100644 --- a/include/asm-generic/futex.h +++ b/include/asm-generic/futex.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_FUTEX_H #define _ASM_GENERIC_FUTEX_H @@ -13,7 +14,7 @@ */ /** - * futex_atomic_op_inuser() - Atomic arithmetic operation with constant + * arch_futex_atomic_op_inuser() - Atomic arithmetic operation with constant * argument and comparison of the previous * futex value with another constant. * @@ -25,18 +26,11 @@ * <0 - On error */ static inline int -futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) +arch_futex_atomic_op_inuser(int op, u32 oparg, int *oval, u32 __user *uaddr) { - int op = (encoded_op >> 28) & 7; - int cmp = (encoded_op >> 24) & 15; - int oparg = (encoded_op << 8) >> 20; - int cmparg = (encoded_op << 20) >> 20; int oldval, ret; u32 tmp; - if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) - oparg = 1 << oparg; - preempt_disable(); pagefault_disable(); @@ -74,17 +68,9 @@ out_pagefault_enable: pagefault_enable(); preempt_enable(); - if (ret == 0) { - switch (cmp) { - case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; - case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; - case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; - case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; - case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; - case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; - default: ret = -ENOSYS; - } - } + if (ret == 0) + *oval = oldval; + return ret; } @@ -126,18 +112,9 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, #else static inline int -futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) +arch_futex_atomic_op_inuser(int op, u32 oparg, int *oval, u32 __user *uaddr) { - int op = (encoded_op >> 28) & 7; - int cmp = (encoded_op >> 24) & 15; - int oparg = (encoded_op << 8) >> 20; - int cmparg = (encoded_op << 20) >> 20; int oldval = 0, ret; - if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) - oparg = 1 << oparg; - - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; pagefault_disable(); @@ -153,17 +130,9 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) pagefault_enable(); - if (!ret) { - switch (cmp) { - case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; - case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; - case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; - case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; - case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; - case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; - default: ret = -ENOSYS; - } - } + if (!ret) + *oval = oldval; + return ret; } diff --git a/include/asm-generic/getorder.h b/include/asm-generic/getorder.h index 65e4468ac53d..c64bea7a52be 100644 --- a/include/asm-generic/getorder.h +++ b/include/asm-generic/getorder.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_GETORDER_H #define __ASM_GENERIC_GETORDER_H diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 8ca627dcea11..19eadac415c4 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_GPIO_H #define _ASM_GENERIC_GPIO_H diff --git a/include/asm-generic/hardirq.h b/include/asm-generic/hardirq.h index 04d0a977cd43..d14214dfc10b 100644 --- a/include/asm-generic/hardirq.h +++ b/include/asm-generic/hardirq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_HARDIRQ_H #define __ASM_GENERIC_HARDIRQ_H diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h index 540354f94f83..9d0cde8ab716 100644 --- a/include/asm-generic/hugetlb.h +++ b/include/asm-generic/hugetlb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_HUGETLB_H #define _ASM_GENERIC_HUGETLB_H diff --git a/include/asm-generic/ide_iops.h b/include/asm-generic/ide_iops.h index 1b91d0681914..81dfa3ee5e06 100644 --- a/include/asm-generic/ide_iops.h +++ b/include/asm-generic/ide_iops.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Generic I/O and MEMIO string operations. */ #define __ide_insw insw diff --git a/include/asm-generic/int-ll64.h b/include/asm-generic/int-ll64.h index 4cd84855cb46..ffb68d67be5f 100644 --- a/include/asm-generic/int-ll64.h +++ b/include/asm-generic/int-ll64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * asm-generic/int-ll64.h * diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 7ef015eb3403..b4531e3b2120 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -915,6 +915,9 @@ extern void ioport_unmap(void __iomem *p); #endif /* CONFIG_GENERIC_IOMAP */ #endif /* CONFIG_HAS_IOPORT_MAP */ +/* + * Convert a virtual cached pointer to an uncached pointer + */ #ifndef xlate_dev_kmem_ptr #define xlate_dev_kmem_ptr xlate_dev_kmem_ptr static inline void *xlate_dev_kmem_ptr(void *addr) @@ -954,6 +957,14 @@ static inline void *bus_to_virt(unsigned long address) #ifndef memset_io #define memset_io memset_io +/** + * memset_io Set a range of I/O memory to a constant value + * @addr: The beginning of the I/O-memory range to set + * @val: The value to set the memory to + * @count: The number of bytes to set + * + * Set a range of I/O memory to a given value. + */ static inline void memset_io(volatile void __iomem *addr, int value, size_t size) { @@ -963,6 +974,14 @@ static inline void memset_io(volatile void __iomem *addr, int value, #ifndef memcpy_fromio #define memcpy_fromio memcpy_fromio +/** + * memcpy_fromio Copy a block of data from I/O memory + * @dst: The (RAM) destination for the copy + * @src: The (I/O memory) source for the data + * @count: The number of bytes to copy + * + * Copy a block of data from I/O memory. + */ static inline void memcpy_fromio(void *buffer, const volatile void __iomem *addr, size_t size) @@ -973,6 +992,14 @@ static inline void memcpy_fromio(void *buffer, #ifndef memcpy_toio #define memcpy_toio memcpy_toio +/** + * memcpy_toio Copy a block of data into I/O memory + * @dst: The (I/O memory) destination for the copy + * @src: The (RAM) source for the data + * @count: The number of bytes to copy + * + * Copy a block of data to I/O memory. + */ static inline void memcpy_toio(volatile void __iomem *addr, const void *buffer, size_t size) { diff --git a/include/asm-generic/ioctl.h b/include/asm-generic/ioctl.h index 297fb0d7cd6c..9fda9ed000cd 100644 --- a/include/asm-generic/ioctl.h +++ b/include/asm-generic/ioctl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_IOCTL_H #define _ASM_GENERIC_IOCTL_H diff --git a/include/asm-generic/iomap.h b/include/asm-generic/iomap.h index 650fede33c25..5b63b94ef6b5 100644 --- a/include/asm-generic/iomap.h +++ b/include/asm-generic/iomap.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __GENERIC_IO_H #define __GENERIC_IO_H diff --git a/include/asm-generic/irq.h b/include/asm-generic/irq.h index b90ec0bc485f..da21de991e84 100644 --- a/include/asm-generic/irq.h +++ b/include/asm-generic/irq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_IRQ_H #define __ASM_GENERIC_IRQ_H diff --git a/include/asm-generic/irq_work.h b/include/asm-generic/irq_work.h index a44f452c6590..d5dce06f74b8 100644 --- a/include/asm-generic/irq_work.h +++ b/include/asm-generic/irq_work.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_IRQ_WORK_H #define __ASM_IRQ_WORK_H diff --git a/include/asm-generic/irqflags.h b/include/asm-generic/irqflags.h index 1f40d0024cf3..19ccbf483a24 100644 --- a/include/asm-generic/irqflags.h +++ b/include/asm-generic/irqflags.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_IRQFLAGS_H #define __ASM_GENERIC_IRQFLAGS_H diff --git a/include/asm-generic/kdebug.h b/include/asm-generic/kdebug.h index d1814497bcdb..2b10b31b02d0 100644 --- a/include/asm-generic/kdebug.h +++ b/include/asm-generic/kdebug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_KDEBUG_H #define _ASM_GENERIC_KDEBUG_H diff --git a/include/asm-generic/kmap_types.h b/include/asm-generic/kmap_types.h index 90f99c74dd38..9f95b7b63d19 100644 --- a/include/asm-generic/kmap_types.h +++ b/include/asm-generic/kmap_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_KMAP_TYPES_H #define _ASM_GENERIC_KMAP_TYPES_H diff --git a/include/asm-generic/kprobes.h b/include/asm-generic/kprobes.h index 57af9f21d148..4a982089c95c 100644 --- a/include/asm-generic/kprobes.h +++ b/include/asm-generic/kprobes.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_KPROBES_H #define _ASM_GENERIC_KPROBES_H diff --git a/include/asm-generic/kvm_para.h b/include/asm-generic/kvm_para.h index fa25becbdcaf..18c6abe81fbd 100644 --- a/include/asm-generic/kvm_para.h +++ b/include/asm-generic/kvm_para.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_KVM_PARA_H #define _ASM_GENERIC_KVM_PARA_H diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h index 9ceb03b4f466..fca7f1d84818 100644 --- a/include/asm-generic/local.h +++ b/include/asm-generic/local.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_LOCAL_H #define _ASM_GENERIC_LOCAL_H diff --git a/include/asm-generic/local64.h b/include/asm-generic/local64.h index 5980002b8b7b..765be0b7d883 100644 --- a/include/asm-generic/local64.h +++ b/include/asm-generic/local64.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_LOCAL64_H #define _ASM_GENERIC_LOCAL64_H diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h index 5148150cc80b..7637fb46ba4f 100644 --- a/include/asm-generic/memory_model.h +++ b/include/asm-generic/memory_model.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_MEMORY_MODEL_H #define __ASM_MEMORY_MODEL_H diff --git a/include/asm-generic/mm_hooks.h b/include/asm-generic/mm_hooks.h index 41e5b6784b97..ea189d88a3cc 100644 --- a/include/asm-generic/mm_hooks.h +++ b/include/asm-generic/mm_hooks.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Define generic no-op hooks for arch_dup_mmap, arch_exit_mmap * and arch_unmap to be included in asm-FOO/mmu_context.h for any diff --git a/include/asm-generic/mmu.h b/include/asm-generic/mmu.h index 0ed3f1cfb854..061838037542 100644 --- a/include/asm-generic/mmu.h +++ b/include/asm-generic/mmu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_MMU_H #define __ASM_GENERIC_MMU_H diff --git a/include/asm-generic/mmu_context.h b/include/asm-generic/mmu_context.h index a7eec910ba6c..6be9106fb6fb 100644 --- a/include/asm-generic/mmu_context.h +++ b/include/asm-generic/mmu_context.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_MMU_CONTEXT_H #define __ASM_GENERIC_MMU_CONTEXT_H diff --git a/include/asm-generic/module.h b/include/asm-generic/module.h index 14dc41d185a7..98e1541b72b7 100644 --- a/include/asm-generic/module.h +++ b/include/asm-generic/module.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_MODULE_H #define __ASM_GENERIC_MODULE_H diff --git a/include/asm-generic/msi.h b/include/asm-generic/msi.h index 61c58d8878ce..e6795f088bdd 100644 --- a/include/asm-generic/msi.h +++ b/include/asm-generic/msi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_MSI_H #define __ASM_GENERIC_MSI_H diff --git a/include/asm-generic/page.h b/include/asm-generic/page.h index 67cfb7dbc284..27bf3377b0cb 100644 --- a/include/asm-generic/page.h +++ b/include/asm-generic/page.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_PAGE_H #define __ASM_GENERIC_PAGE_H /* diff --git a/include/asm-generic/param.h b/include/asm-generic/param.h index 04e715bccceb..8d3009dd28ff 100644 --- a/include/asm-generic/param.h +++ b/include/asm-generic/param.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_PARAM_H #define __ASM_GENERIC_PARAM_H diff --git a/include/asm-generic/parport.h b/include/asm-generic/parport.h index 2c9f9d4336ca..483991d619a7 100644 --- a/include/asm-generic/parport.h +++ b/include/asm-generic/parport.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_PARPORT_H #define __ASM_GENERIC_PARPORT_H diff --git a/include/asm-generic/pci.h b/include/asm-generic/pci.h index f24bc519bf31..830d7659289b 100644 --- a/include/asm-generic/pci.h +++ b/include/asm-generic/pci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * linux/include/asm-generic/pci.h * diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index 0504ef8f3aa3..1817a8415a5e 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_PERCPU_H_ #define _ASM_GENERIC_PERCPU_H_ @@ -115,15 +116,35 @@ do { \ (__ret); \ }) -#define this_cpu_generic_read(pcp) \ +#define __this_cpu_generic_read_nopreempt(pcp) \ ({ \ typeof(pcp) __ret; \ preempt_disable_notrace(); \ - __ret = raw_cpu_generic_read(pcp); \ + __ret = READ_ONCE(*raw_cpu_ptr(&(pcp))); \ preempt_enable_notrace(); \ __ret; \ }) +#define __this_cpu_generic_read_noirq(pcp) \ +({ \ + typeof(pcp) __ret; \ + unsigned long __flags; \ + raw_local_irq_save(__flags); \ + __ret = raw_cpu_generic_read(pcp); \ + raw_local_irq_restore(__flags); \ + __ret; \ +}) + +#define this_cpu_generic_read(pcp) \ +({ \ + typeof(pcp) __ret; \ + if (__native_word(pcp)) \ + __ret = __this_cpu_generic_read_nopreempt(pcp); \ + else \ + __ret = __this_cpu_generic_read_noirq(pcp); \ + __ret; \ +}) + #define this_cpu_generic_to_op(pcp, val, op) \ do { \ unsigned long __flags; \ diff --git a/include/asm-generic/pgalloc.h b/include/asm-generic/pgalloc.h index 9e429d08b1f8..948714c1535a 100644 --- a/include/asm-generic/pgalloc.h +++ b/include/asm-generic/pgalloc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_PGALLOC_H #define __ASM_GENERIC_PGALLOC_H /* diff --git a/include/asm-generic/pgtable-nop4d-hack.h b/include/asm-generic/pgtable-nop4d-hack.h index 752fb7511750..0c34215263b8 100644 --- a/include/asm-generic/pgtable-nop4d-hack.h +++ b/include/asm-generic/pgtable-nop4d-hack.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PGTABLE_NOP4D_HACK_H #define _PGTABLE_NOP4D_HACK_H diff --git a/include/asm-generic/pgtable-nop4d.h b/include/asm-generic/pgtable-nop4d.h index de364ecb8df6..8f22f55de17a 100644 --- a/include/asm-generic/pgtable-nop4d.h +++ b/include/asm-generic/pgtable-nop4d.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PGTABLE_NOP4D_H #define _PGTABLE_NOP4D_H diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h index 725612b793ce..f35f6e8149e4 100644 --- a/include/asm-generic/pgtable-nopmd.h +++ b/include/asm-generic/pgtable-nopmd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PGTABLE_NOPMD_H #define _PGTABLE_NOPMD_H diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h index c2b9b96d6268..e950b9c50f34 100644 --- a/include/asm-generic/pgtable-nopud.h +++ b/include/asm-generic/pgtable-nopud.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PGTABLE_NOPUD_H #define _PGTABLE_NOPUD_H diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 7dfa767dc680..757dc6ffc7ba 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_PGTABLE_H #define _ASM_GENERIC_PGTABLE_H @@ -583,6 +584,18 @@ static inline void ptep_modify_prot_commit(struct mm_struct *mm, #endif /* CONFIG_MMU */ /* + * No-op macros that just return the current protection value. Defined here + * because these macros can be used used even if CONFIG_MMU is not defined. + */ +#ifndef pgprot_encrypted +#define pgprot_encrypted(prot) (prot) +#endif + +#ifndef pgprot_decrypted +#define pgprot_decrypted(prot) (prot) +#endif + +/* * A facility to provide lazy MMU batching. This allows PTE updates and * page invalidations to be delayed until a call to leave lazy MMU mode * is issued. Some architectures may benefit from doing this, and it is @@ -618,7 +631,24 @@ static inline void ptep_modify_prot_commit(struct mm_struct *mm, #define arch_start_context_switch(prev) do {} while (0) #endif -#ifndef CONFIG_HAVE_ARCH_SOFT_DIRTY +#ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY +#ifndef CONFIG_ARCH_ENABLE_THP_MIGRATION +static inline pmd_t pmd_swp_mksoft_dirty(pmd_t pmd) +{ + return pmd; +} + +static inline int pmd_swp_soft_dirty(pmd_t pmd) +{ + return 0; +} + +static inline pmd_t pmd_swp_clear_soft_dirty(pmd_t pmd) +{ + return pmd; +} +#endif +#else /* !CONFIG_HAVE_ARCH_SOFT_DIRTY */ static inline int pte_soft_dirty(pte_t pte) { return 0; @@ -663,6 +693,21 @@ static inline pte_t pte_swp_clear_soft_dirty(pte_t pte) { return pte; } + +static inline pmd_t pmd_swp_mksoft_dirty(pmd_t pmd) +{ + return pmd; +} + +static inline int pmd_swp_soft_dirty(pmd_t pmd) +{ + return 0; +} + +static inline pmd_t pmd_swp_clear_soft_dirty(pmd_t pmd) +{ + return pmd; +} #endif #ifndef __HAVE_PFNMAP_TRACKING @@ -834,7 +879,23 @@ static inline int pmd_none_or_trans_huge_or_clear_bad(pmd_t *pmd) #ifdef CONFIG_TRANSPARENT_HUGEPAGE barrier(); #endif - if (pmd_none(pmdval) || pmd_trans_huge(pmdval)) + /* + * !pmd_present() checks for pmd migration entries + * + * The complete check uses is_pmd_migration_entry() in linux/swapops.h + * But using that requires moving current function and pmd_trans_unstable() + * to linux/swapops.h to resovle dependency, which is too much code move. + * + * !pmd_present() is equivalent to is_pmd_migration_entry() currently, + * because !pmd_present() pages can only be under migration not swapped + * out. + * + * pmd_none() is preseved for future condition checks on pmd migration + * entries and not confusing with this function name, although it is + * redundant with !pmd_present(). + */ + if (pmd_none(pmdval) || pmd_trans_huge(pmdval) || + (IS_ENABLED(CONFIG_ARCH_ENABLE_THP_MIGRATION) && !pmd_present(pmdval))) return 1; if (unlikely(pmd_bad(pmdval))) { pmd_clear_bad(pmd); diff --git a/include/asm-generic/preempt.h b/include/asm-generic/preempt.h index c1cde3577551..c3046c920063 100644 --- a/include/asm-generic/preempt.h +++ b/include/asm-generic/preempt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_PREEMPT_H #define __ASM_PREEMPT_H diff --git a/include/asm-generic/qrwlock_types.h b/include/asm-generic/qrwlock_types.h index 0abc6b6062fb..d93573eff162 100644 --- a/include/asm-generic/qrwlock_types.h +++ b/include/asm-generic/qrwlock_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_QRWLOCK_TYPES_H #define __ASM_GENERIC_QRWLOCK_TYPES_H diff --git a/include/asm-generic/qspinlock.h b/include/asm-generic/qspinlock.h index 9f0681bf1e87..66260777d644 100644 --- a/include/asm-generic/qspinlock.h +++ b/include/asm-generic/qspinlock.h @@ -22,17 +22,6 @@ #include <asm-generic/qspinlock_types.h> /** - * queued_spin_unlock_wait - wait until the _current_ lock holder releases the lock - * @lock : Pointer to queued spinlock structure - * - * There is a very slight possibility of live-lock if the lockers keep coming - * and the waiter is just unfortunate enough to not see any unlock state. - */ -#ifndef queued_spin_unlock_wait -extern void queued_spin_unlock_wait(struct qspinlock *lock); -#endif - -/** * queued_spin_is_locked - is the spinlock locked? * @lock: Pointer to queued spinlock structure * Return: 1 if it is locked, 0 otherwise @@ -41,8 +30,6 @@ extern void queued_spin_unlock_wait(struct qspinlock *lock); static __always_inline int queued_spin_is_locked(struct qspinlock *lock) { /* - * See queued_spin_unlock_wait(). - * * Any !0 state indicates it is locked, even if _Q_LOCKED_VAL * isn't immediately observable. */ @@ -135,6 +122,5 @@ static __always_inline bool virt_spin_lock(struct qspinlock *lock) #define arch_spin_trylock(l) queued_spin_trylock(l) #define arch_spin_unlock(l) queued_spin_unlock(l) #define arch_spin_lock_flags(l, f) queued_spin_lock(l) -#define arch_spin_unlock_wait(l) queued_spin_unlock_wait(l) #endif /* __ASM_GENERIC_QSPINLOCK_H */ diff --git a/include/asm-generic/resource.h b/include/asm-generic/resource.h index 5e752b959054..8874f681b056 100644 --- a/include/asm-generic/resource.h +++ b/include/asm-generic/resource.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_RESOURCE_H #define _ASM_GENERIC_RESOURCE_H diff --git a/include/asm-generic/rwsem.h b/include/asm-generic/rwsem.h index 6c6a2141f271..bdbe43bac230 100644 --- a/include/asm-generic/rwsem.h +++ b/include/asm-generic/rwsem.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_RWSEM_H #define _ASM_GENERIC_RWSEM_H diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index 532372c6cf15..6d9576931084 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_SECTIONS_H_ #define _ASM_GENERIC_SECTIONS_H_ @@ -27,6 +28,8 @@ * __kprobes_text_start, __kprobes_text_end * __entry_text_start, __entry_text_end * __ctors_start, __ctors_end + * __irqentry_text_start, __irqentry_text_end + * __softirqentry_text_start, __softirqentry_text_end */ extern char _text[], _stext[], _etext[]; extern char _data[], _sdata[], _edata[]; @@ -39,6 +42,8 @@ extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[]; extern char __kprobes_text_start[], __kprobes_text_end[]; extern char __entry_text_start[], __entry_text_end[]; extern char __start_rodata[], __end_rodata[]; +extern char __irqentry_text_start[], __irqentry_text_end[]; +extern char __softirqentry_text_start[], __softirqentry_text_end[]; /* Start and end of .ctors section - used for constructor calls. */ extern char __ctors_start[], __ctors_end[]; diff --git a/include/asm-generic/serial.h b/include/asm-generic/serial.h index 5e291090fe04..ca9f7b6be3f0 100644 --- a/include/asm-generic/serial.h +++ b/include/asm-generic/serial.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_SERIAL_H #define __ASM_GENERIC_SERIAL_H diff --git a/include/asm-generic/set_memory.h b/include/asm-generic/set_memory.h index 83e81f8996b2..c86abf6bc7ba 100644 --- a/include/asm-generic/set_memory.h +++ b/include/asm-generic/set_memory.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_SET_MEMORY_H #define __ASM_SET_MEMORY_H diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h index d840c90a157a..c53984fa9761 100644 --- a/include/asm-generic/signal.h +++ b/include/asm-generic/signal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_SIGNAL_H #define __ASM_GENERIC_SIGNAL_H diff --git a/include/asm-generic/simd.h b/include/asm-generic/simd.h index f57eb7b5c23b..d0343d58a74a 100644 --- a/include/asm-generic/simd.h +++ b/include/asm-generic/simd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/hardirq.h> diff --git a/include/asm-generic/spinlock.h b/include/asm-generic/spinlock.h index 1547a03ac50f..adaf6acab172 100644 --- a/include/asm-generic/spinlock.h +++ b/include/asm-generic/spinlock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_SPINLOCK_H #define __ASM_GENERIC_SPINLOCK_H /* diff --git a/include/asm-generic/statfs.h b/include/asm-generic/statfs.h index 4b934e9ec970..f88dcd8ed9dd 100644 --- a/include/asm-generic/statfs.h +++ b/include/asm-generic/statfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _GENERIC_STATFS_H #define _GENERIC_STATFS_H diff --git a/include/asm-generic/syscalls.h b/include/asm-generic/syscalls.h index 1f74be5113b2..933ca6581aba 100644 --- a/include/asm-generic/syscalls.h +++ b/include/asm-generic/syscalls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_SYSCALLS_H #define __ASM_GENERIC_SYSCALLS_H diff --git a/include/asm-generic/termios-base.h b/include/asm-generic/termios-base.h index 157bbf6f4510..59c5a3bd4a6e 100644 --- a/include/asm-generic/termios-base.h +++ b/include/asm-generic/termios-base.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* termios.h: generic termios/termio user copying/translation */ diff --git a/include/asm-generic/termios.h b/include/asm-generic/termios.h index 8c13a16b074e..b1398d0d4a1d 100644 --- a/include/asm-generic/termios.h +++ b/include/asm-generic/termios.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_TERMIOS_H #define _ASM_GENERIC_TERMIOS_H diff --git a/include/asm-generic/timex.h b/include/asm-generic/timex.h index b2243cb8d6f6..50ba9b5ce983 100644 --- a/include/asm-generic/timex.h +++ b/include/asm-generic/timex.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_TIMEX_H #define __ASM_GENERIC_TIMEX_H diff --git a/include/asm-generic/tlbflush.h b/include/asm-generic/tlbflush.h index d6d0a88430fe..dc2669289faf 100644 --- a/include/asm-generic/tlbflush.h +++ b/include/asm-generic/tlbflush.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_TLBFLUSH_H #define __ASM_GENERIC_TLBFLUSH_H /* diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h index fc824e2828f3..5d2add1a6c96 100644 --- a/include/asm-generic/topology.h +++ b/include/asm-generic/topology.h @@ -48,7 +48,11 @@ #define parent_node(node) ((void)(node),0) #endif #ifndef cpumask_of_node -#define cpumask_of_node(node) ((void)node, cpu_online_mask) + #ifdef CONFIG_NEED_MULTIPLE_NODES + #define cpumask_of_node(node) ((node) == 0 ? cpu_online_mask : cpu_none_mask) + #else + #define cpumask_of_node(node) ((void)node, cpu_online_mask) + #endif #endif #ifndef pcibus_to_node #define pcibus_to_node(bus) ((void)(bus), -1) diff --git a/include/asm-generic/trace_clock.h b/include/asm-generic/trace_clock.h index 6726f1bafb5e..cbbca295931a 100644 --- a/include/asm-generic/trace_clock.h +++ b/include/asm-generic/trace_clock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_TRACE_CLOCK_H #define _ASM_GENERIC_TRACE_CLOCK_H /* diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h index 723e81a6c162..6b2e63df2739 100644 --- a/include/asm-generic/uaccess.h +++ b/include/asm-generic/uaccess.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_UACCESS_H #define __ASM_GENERIC_UACCESS_H @@ -75,10 +76,10 @@ static inline int __access_ok(unsigned long addr, unsigned long size) #define put_user(x, ptr) \ ({ \ - void *__p = (ptr); \ + void __user *__p = (ptr); \ might_fault(); \ access_ok(VERIFY_WRITE, __p, sizeof(*ptr)) ? \ - __put_user((x), ((__typeof__(*(ptr)) *)__p)) : \ + __put_user((x), ((__typeof__(*(ptr)) __user *)__p)) : \ -EFAULT; \ }) @@ -137,10 +138,10 @@ extern int __put_user_bad(void) __attribute__((noreturn)); #define get_user(x, ptr) \ ({ \ - const void *__p = (ptr); \ + const void __user *__p = (ptr); \ might_fault(); \ access_ok(VERIFY_READ, __p, sizeof(*ptr)) ? \ - __get_user((x), (__typeof__(*(ptr)) *)__p) : \ + __get_user((x), (__typeof__(*(ptr)) __user *)__p) :\ ((x) = (__typeof__(*(ptr)))0,-EFAULT); \ }) diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h index 1ac097279db1..374c940e9be1 100644 --- a/include/asm-generic/unaligned.h +++ b/include/asm-generic/unaligned.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_UNALIGNED_H #define __ASM_GENERIC_UNALIGNED_H diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h index cccc86ecfeaa..cdf904265caf 100644 --- a/include/asm-generic/unistd.h +++ b/include/asm-generic/unistd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <uapi/asm-generic/unistd.h> #include <linux/export.h> diff --git a/include/asm-generic/vga.h b/include/asm-generic/vga.h index 36c8ff52016b..adf91a783b5c 100644 --- a/include/asm-generic/vga.h +++ b/include/asm-generic/vga.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Access to VGA videoram * diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 9623d78f8494..8acfc1e099e1 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -216,6 +216,7 @@ * .data section */ #define DATA_DATA \ + *(.xiptext) \ *(DATA_MAIN) \ *(.ref.data) \ *(.data..shared_aligned) /* percpu related */ \ @@ -497,25 +498,17 @@ *(.entry.text) \ VMLINUX_SYMBOL(__entry_text_end) = .; -#if defined(CONFIG_FUNCTION_GRAPH_TRACER) || defined(CONFIG_KASAN) #define IRQENTRY_TEXT \ ALIGN_FUNCTION(); \ VMLINUX_SYMBOL(__irqentry_text_start) = .; \ *(.irqentry.text) \ VMLINUX_SYMBOL(__irqentry_text_end) = .; -#else -#define IRQENTRY_TEXT -#endif -#if defined(CONFIG_FUNCTION_GRAPH_TRACER) || defined(CONFIG_KASAN) #define SOFTIRQENTRY_TEXT \ ALIGN_FUNCTION(); \ VMLINUX_SYMBOL(__softirqentry_text_start) = .; \ *(.softirqentry.text) \ VMLINUX_SYMBOL(__softirqentry_text_end) = .; -#else -#define SOFTIRQENTRY_TEXT -#endif /* Section used for early init (in .S files) */ #define HEAD_TEXT *(.head.text) @@ -694,6 +687,31 @@ #define BUG_TABLE #endif +#ifdef CONFIG_ORC_UNWINDER +#define ORC_UNWIND_TABLE \ + . = ALIGN(4); \ + .orc_unwind_ip : AT(ADDR(.orc_unwind_ip) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__start_orc_unwind_ip) = .; \ + KEEP(*(.orc_unwind_ip)) \ + VMLINUX_SYMBOL(__stop_orc_unwind_ip) = .; \ + } \ + . = ALIGN(6); \ + .orc_unwind : AT(ADDR(.orc_unwind) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__start_orc_unwind) = .; \ + KEEP(*(.orc_unwind)) \ + VMLINUX_SYMBOL(__stop_orc_unwind) = .; \ + } \ + . = ALIGN(4); \ + .orc_lookup : AT(ADDR(.orc_lookup) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(orc_lookup) = .; \ + . += (((SIZEOF(.text) + LOOKUP_BLOCK_SIZE - 1) / \ + LOOKUP_BLOCK_SIZE) + 1) * 4; \ + VMLINUX_SYMBOL(orc_lookup_end) = .; \ + } +#else +#define ORC_UNWIND_TABLE +#endif + #ifdef CONFIG_PM_TRACE #define TRACEDATA \ . = ALIGN(4); \ @@ -880,7 +898,7 @@ DATA_DATA \ CONSTRUCTORS \ } \ - BUG_TABLE + BUG_TABLE \ #define INIT_TEXT_SECTION(inittext_align) \ . = ALIGN(inittext_align); \ diff --git a/include/asm-generic/word-at-a-time.h b/include/asm-generic/word-at-a-time.h index 011dde083f23..20c93f08c993 100644 --- a/include/asm-generic/word-at-a-time.h +++ b/include/asm-generic/word-at-a-time.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_WORD_AT_A_TIME_H #define _ASM_WORD_AT_A_TIME_H |
