| // SPDX-License-Identifier: GPL-2.0 | |
| // Generated by scripts/atomic/gen-atomic-fallback.sh | |
| // DO NOT MODIFY THIS FILE DIRECTLY | |
| #ifndef _LINUX_ATOMIC_FALLBACK_H | |
| #define _LINUX_ATOMIC_FALLBACK_H | |
| #include <linux/compiler.h> | |
| #ifndef arch_xchg_relaxed | |
| #define arch_xchg_acquire arch_xchg | |
| #define arch_xchg_release arch_xchg | |
| #define arch_xchg_relaxed arch_xchg | |
| #else /* arch_xchg_relaxed */ | |
| #ifndef arch_xchg_acquire | |
| #define arch_xchg_acquire(...) \ | |
| __atomic_op_acquire(arch_xchg, __VA_ARGS__) | |
| #endif | |
| #ifndef arch_xchg_release | |
| #define arch_xchg_release(...) \ | |
| __atomic_op_release(arch_xchg, __VA_ARGS__) | |
| #endif | |
| #ifndef arch_xchg | |
| #define arch_xchg(...) \ | |
| __atomic_op_fence(arch_xchg, __VA_ARGS__) | |
| #endif | |
| #endif /* arch_xchg_relaxed */ | |
| #ifndef arch_cmpxchg_relaxed | |
| #define arch_cmpxchg_acquire arch_cmpxchg | |
| #define arch_cmpxchg_release arch_cmpxchg | |
| #define arch_cmpxchg_relaxed arch_cmpxchg | |
| #else /* arch_cmpxchg_relaxed */ | |
| #ifndef arch_cmpxchg_acquire | |
| #define arch_cmpxchg_acquire(...) \ | |
| __atomic_op_acquire(arch_cmpxchg, __VA_ARGS__) | |
| #endif | |
| #ifndef arch_cmpxchg_release | |
| #define arch_cmpxchg_release(...) \ | |
| __atomic_op_release(arch_cmpxchg, __VA_ARGS__) | |
| #endif | |
| #ifndef arch_cmpxchg | |
| #define arch_cmpxchg(...) \ | |
| __atomic_op_fence(arch_cmpxchg, __VA_ARGS__) | |
| #endif | |
| #endif /* arch_cmpxchg_relaxed */ | |
| #ifndef arch_cmpxchg64_relaxed | |
| #define arch_cmpxchg64_acquire arch_cmpxchg64 | |
| #define arch_cmpxchg64_release arch_cmpxchg64 | |
| #define arch_cmpxchg64_relaxed arch_cmpxchg64 | |
| #else /* arch_cmpxchg64_relaxed */ | |
| #ifndef arch_cmpxchg64_acquire | |
| #define arch_cmpxchg64_acquire(...) \ | |
| __atomic_op_acquire(arch_cmpxchg64, __VA_ARGS__) | |
| #endif | |
| #ifndef arch_cmpxchg64_release | |
| #define arch_cmpxchg64_release(...) \ | |
| __atomic_op_release(arch_cmpxchg64, __VA_ARGS__) | |
| #endif | |
| #ifndef arch_cmpxchg64 | |
| #define arch_cmpxchg64(...) \ | |
| __atomic_op_fence(arch_cmpxchg64, __VA_ARGS__) | |
| #endif | |
| #endif /* arch_cmpxchg64_relaxed */ | |
| #ifndef arch_try_cmpxchg_relaxed | |
| #ifdef arch_try_cmpxchg | |
| #define arch_try_cmpxchg_acquire arch_try_cmpxchg | |
| #define arch_try_cmpxchg_release arch_try_cmpxchg | |
| #define arch_try_cmpxchg_relaxed arch_try_cmpxchg | |
| #endif /* arch_try_cmpxchg */ | |
| #ifndef arch_try_cmpxchg | |
| #define arch_try_cmpxchg(_ptr, _oldp, _new) \ | |
| ({ \ | |
| typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | |
| ___r = arch_cmpxchg((_ptr), ___o, (_new)); \ | |
| if (unlikely(___r != ___o)) \ | |
| *___op = ___r; \ | |
| likely(___r == ___o); \ | |
| }) | |
| #endif /* arch_try_cmpxchg */ | |
| #ifndef arch_try_cmpxchg_acquire | |
| #define arch_try_cmpxchg_acquire(_ptr, _oldp, _new) \ | |
| ({ \ | |
| typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | |
| ___r = arch_cmpxchg_acquire((_ptr), ___o, (_new)); \ | |
| if (unlikely(___r != ___o)) \ | |
| *___op = ___r; \ | |
| likely(___r == ___o); \ | |
| }) | |
| #endif /* arch_try_cmpxchg_acquire */ | |
| #ifndef arch_try_cmpxchg_release | |
| #define arch_try_cmpxchg_release(_ptr, _oldp, _new) \ | |
| ({ \ | |
| typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | |
| ___r = arch_cmpxchg_release((_ptr), ___o, (_new)); \ | |
| if (unlikely(___r != ___o)) \ | |
| *___op = ___r; \ | |
| likely(___r == ___o); \ | |
| }) | |
| #endif /* arch_try_cmpxchg_release */ | |
| #ifndef arch_try_cmpxchg_relaxed | |
| #define arch_try_cmpxchg_relaxed(_ptr, _oldp, _new) \ | |
| ({ \ | |
| typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | |
| ___r = arch_cmpxchg_relaxed((_ptr), ___o, (_new)); \ | |
| if (unlikely(___r != ___o)) \ | |
| *___op = ___r; \ | |
| likely(___r == ___o); \ | |
| }) | |
| #endif /* arch_try_cmpxchg_relaxed */ | |
| #else /* arch_try_cmpxchg_relaxed */ | |
| #ifndef arch_try_cmpxchg_acquire | |
| #define arch_try_cmpxchg_acquire(...) \ | |
| __atomic_op_acquire(arch_try_cmpxchg, __VA_ARGS__) | |
| #endif | |
| #ifndef arch_try_cmpxchg_release | |
| #define arch_try_cmpxchg_release(...) \ | |
| __atomic_op_release(arch_try_cmpxchg, __VA_ARGS__) | |
| #endif | |
| #ifndef arch_try_cmpxchg | |
| #define arch_try_cmpxchg(...) \ | |
| __atomic_op_fence(arch_try_cmpxchg, __VA_ARGS__) | |
| #endif | |
| #endif /* arch_try_cmpxchg_relaxed */ | |
| #ifndef arch_try_cmpxchg64_relaxed | |
| #ifdef arch_try_cmpxchg64 | |
| #define arch_try_cmpxchg64_acquire arch_try_cmpxchg64 | |
| #define arch_try_cmpxchg64_release arch_try_cmpxchg64 | |
| #define arch_try_cmpxchg64_relaxed arch_try_cmpxchg64 | |
| #endif /* arch_try_cmpxchg64 */ | |
| #ifndef arch_try_cmpxchg64 | |
| #define arch_try_cmpxchg64(_ptr, _oldp, _new) \ | |
| ({ \ | |
| typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | |
| ___r = arch_cmpxchg64((_ptr), ___o, (_new)); \ | |
| if (unlikely(___r != ___o)) \ | |
| *___op = ___r; \ | |
| likely(___r == ___o); \ | |
| }) | |
| #endif /* arch_try_cmpxchg64 */ | |
| #ifndef arch_try_cmpxchg64_acquire | |
| #define arch_try_cmpxchg64_acquire(_ptr, _oldp, _new) \ | |
| ({ \ | |
| typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | |
| ___r = arch_cmpxchg64_acquire((_ptr), ___o, (_new)); \ | |
| if (unlikely(___r != ___o)) \ | |
| *___op = ___r; \ | |
| likely(___r == ___o); \ | |
| }) | |
| #endif /* arch_try_cmpxchg64_acquire */ | |
| #ifndef arch_try_cmpxchg64_release | |
| #define arch_try_cmpxchg64_release(_ptr, _oldp, _new) \ | |
| ({ \ | |
| typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | |
| ___r = arch_cmpxchg64_release((_ptr), ___o, (_new)); \ | |
| if (unlikely(___r != ___o)) \ | |
| *___op = ___r; \ | |
| likely(___r == ___o); \ | |
| }) | |
| #endif /* arch_try_cmpxchg64_release */ | |
| #ifndef arch_try_cmpxchg64_relaxed | |
| #define arch_try_cmpxchg64_relaxed(_ptr, _oldp, _new) \ | |
| ({ \ | |
| typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | |
| ___r = arch_cmpxchg64_relaxed((_ptr), ___o, (_new)); \ | |
| if (unlikely(___r != ___o)) \ | |
| *___op = ___r; \ | |
| likely(___r == ___o); \ | |
| }) | |
| #endif /* arch_try_cmpxchg64_relaxed */ | |
| #else /* arch_try_cmpxchg64_relaxed */ | |
| #ifndef arch_try_cmpxchg64_acquire | |
| #define arch_try_cmpxchg64_acquire(...) \ | |
| __atomic_op_acquire(arch_try_cmpxchg64, __VA_ARGS__) | |
| #endif | |
| #ifndef arch_try_cmpxchg64_release | |
| #define arch_try_cmpxchg64_release(...) \ | |
| __atomic_op_release(arch_try_cmpxchg64, __VA_ARGS__) | |
| #endif | |
| #ifndef arch_try_cmpxchg64 | |
| #define arch_try_cmpxchg64(...) \ | |
| __atomic_op_fence(arch_try_cmpxchg64, __VA_ARGS__) | |
| #endif | |
| #endif /* arch_try_cmpxchg64_relaxed */ | |
| #ifndef arch_atomic_read_acquire | |
| static __always_inline int | |
| arch_atomic_read_acquire(const atomic_t *v) | |
| { | |
| int ret; | |
| if (__native_word(atomic_t)) { | |
| ret = smp_load_acquire(&(v)->counter); | |
| } else { | |
| ret = arch_atomic_read(v); | |
| __atomic_acquire_fence(); | |
| } | |
| return ret; | |
| } | |
| #define arch_atomic_read_acquire arch_atomic_read_acquire | |
| #endif | |
| #ifndef arch_atomic_set_release | |
| static __always_inline void | |
| arch_atomic_set_release(atomic_t *v, int i) | |
| { | |
| if (__native_word(atomic_t)) { | |
| smp_store_release(&(v)->counter, i); | |
| } else { | |
| __atomic_release_fence(); | |
| arch_atomic_set(v, i); | |
| } | |
| } | |
| #define arch_atomic_set_release arch_atomic_set_release | |
| #endif | |
| #ifndef arch_atomic_add_return_relaxed | |
| #define arch_atomic_add_return_acquire arch_atomic_add_return | |
| #define arch_atomic_add_return_release arch_atomic_add_return | |
| #define arch_atomic_add_return_relaxed arch_atomic_add_return | |
| #else /* arch_atomic_add_return_relaxed */ | |
| #ifndef arch_atomic_add_return_acquire | |
| static __always_inline int | |
| arch_atomic_add_return_acquire(int i, atomic_t *v) | |
| { | |
| int ret = arch_atomic_add_return_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_add_return_acquire arch_atomic_add_return_acquire | |
| #endif | |
| #ifndef arch_atomic_add_return_release | |
| static __always_inline int | |
| arch_atomic_add_return_release(int i, atomic_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_add_return_relaxed(i, v); | |
| } | |
| #define arch_atomic_add_return_release arch_atomic_add_return_release | |
| #endif | |
| #ifndef arch_atomic_add_return | |
| static __always_inline int | |
| arch_atomic_add_return(int i, atomic_t *v) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_add_return_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_add_return arch_atomic_add_return | |
| #endif | |
| #endif /* arch_atomic_add_return_relaxed */ | |
| #ifndef arch_atomic_fetch_add_relaxed | |
| #define arch_atomic_fetch_add_acquire arch_atomic_fetch_add | |
| #define arch_atomic_fetch_add_release arch_atomic_fetch_add | |
| #define arch_atomic_fetch_add_relaxed arch_atomic_fetch_add | |
| #else /* arch_atomic_fetch_add_relaxed */ | |
| #ifndef arch_atomic_fetch_add_acquire | |
| static __always_inline int | |
| arch_atomic_fetch_add_acquire(int i, atomic_t *v) | |
| { | |
| int ret = arch_atomic_fetch_add_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_add_acquire arch_atomic_fetch_add_acquire | |
| #endif | |
| #ifndef arch_atomic_fetch_add_release | |
| static __always_inline int | |
| arch_atomic_fetch_add_release(int i, atomic_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_fetch_add_relaxed(i, v); | |
| } | |
| #define arch_atomic_fetch_add_release arch_atomic_fetch_add_release | |
| #endif | |
| #ifndef arch_atomic_fetch_add | |
| static __always_inline int | |
| arch_atomic_fetch_add(int i, atomic_t *v) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_fetch_add_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_add arch_atomic_fetch_add | |
| #endif | |
| #endif /* arch_atomic_fetch_add_relaxed */ | |
| #ifndef arch_atomic_sub_return_relaxed | |
| #define arch_atomic_sub_return_acquire arch_atomic_sub_return | |
| #define arch_atomic_sub_return_release arch_atomic_sub_return | |
| #define arch_atomic_sub_return_relaxed arch_atomic_sub_return | |
| #else /* arch_atomic_sub_return_relaxed */ | |
| #ifndef arch_atomic_sub_return_acquire | |
| static __always_inline int | |
| arch_atomic_sub_return_acquire(int i, atomic_t *v) | |
| { | |
| int ret = arch_atomic_sub_return_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_sub_return_acquire arch_atomic_sub_return_acquire | |
| #endif | |
| #ifndef arch_atomic_sub_return_release | |
| static __always_inline int | |
| arch_atomic_sub_return_release(int i, atomic_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_sub_return_relaxed(i, v); | |
| } | |
| #define arch_atomic_sub_return_release arch_atomic_sub_return_release | |
| #endif | |
| #ifndef arch_atomic_sub_return | |
| static __always_inline int | |
| arch_atomic_sub_return(int i, atomic_t *v) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_sub_return_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_sub_return arch_atomic_sub_return | |
| #endif | |
| #endif /* arch_atomic_sub_return_relaxed */ | |
| #ifndef arch_atomic_fetch_sub_relaxed | |
| #define arch_atomic_fetch_sub_acquire arch_atomic_fetch_sub | |
| #define arch_atomic_fetch_sub_release arch_atomic_fetch_sub | |
| #define arch_atomic_fetch_sub_relaxed arch_atomic_fetch_sub | |
| #else /* arch_atomic_fetch_sub_relaxed */ | |
| #ifndef arch_atomic_fetch_sub_acquire | |
| static __always_inline int | |
| arch_atomic_fetch_sub_acquire(int i, atomic_t *v) | |
| { | |
| int ret = arch_atomic_fetch_sub_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_sub_acquire arch_atomic_fetch_sub_acquire | |
| #endif | |
| #ifndef arch_atomic_fetch_sub_release | |
| static __always_inline int | |
| arch_atomic_fetch_sub_release(int i, atomic_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_fetch_sub_relaxed(i, v); | |
| } | |
| #define arch_atomic_fetch_sub_release arch_atomic_fetch_sub_release | |
| #endif | |
| #ifndef arch_atomic_fetch_sub | |
| static __always_inline int | |
| arch_atomic_fetch_sub(int i, atomic_t *v) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_fetch_sub_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_sub arch_atomic_fetch_sub | |
| #endif | |
| #endif /* arch_atomic_fetch_sub_relaxed */ | |
| #ifndef arch_atomic_inc | |
| static __always_inline void | |
| arch_atomic_inc(atomic_t *v) | |
| { | |
| arch_atomic_add(1, v); | |
| } | |
| #define arch_atomic_inc arch_atomic_inc | |
| #endif | |
| #ifndef arch_atomic_inc_return_relaxed | |
| #ifdef arch_atomic_inc_return | |
| #define arch_atomic_inc_return_acquire arch_atomic_inc_return | |
| #define arch_atomic_inc_return_release arch_atomic_inc_return | |
| #define arch_atomic_inc_return_relaxed arch_atomic_inc_return | |
| #endif /* arch_atomic_inc_return */ | |
| #ifndef arch_atomic_inc_return | |
| static __always_inline int | |
| arch_atomic_inc_return(atomic_t *v) | |
| { | |
| return arch_atomic_add_return(1, v); | |
| } | |
| #define arch_atomic_inc_return arch_atomic_inc_return | |
| #endif | |
| #ifndef arch_atomic_inc_return_acquire | |
| static __always_inline int | |
| arch_atomic_inc_return_acquire(atomic_t *v) | |
| { | |
| return arch_atomic_add_return_acquire(1, v); | |
| } | |
| #define arch_atomic_inc_return_acquire arch_atomic_inc_return_acquire | |
| #endif | |
| #ifndef arch_atomic_inc_return_release | |
| static __always_inline int | |
| arch_atomic_inc_return_release(atomic_t *v) | |
| { | |
| return arch_atomic_add_return_release(1, v); | |
| } | |
| #define arch_atomic_inc_return_release arch_atomic_inc_return_release | |
| #endif | |
| #ifndef arch_atomic_inc_return_relaxed | |
| static __always_inline int | |
| arch_atomic_inc_return_relaxed(atomic_t *v) | |
| { | |
| return arch_atomic_add_return_relaxed(1, v); | |
| } | |
| #define arch_atomic_inc_return_relaxed arch_atomic_inc_return_relaxed | |
| #endif | |
| #else /* arch_atomic_inc_return_relaxed */ | |
| #ifndef arch_atomic_inc_return_acquire | |
| static __always_inline int | |
| arch_atomic_inc_return_acquire(atomic_t *v) | |
| { | |
| int ret = arch_atomic_inc_return_relaxed(v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_inc_return_acquire arch_atomic_inc_return_acquire | |
| #endif | |
| #ifndef arch_atomic_inc_return_release | |
| static __always_inline int | |
| arch_atomic_inc_return_release(atomic_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_inc_return_relaxed(v); | |
| } | |
| #define arch_atomic_inc_return_release arch_atomic_inc_return_release | |
| #endif | |
| #ifndef arch_atomic_inc_return | |
| static __always_inline int | |
| arch_atomic_inc_return(atomic_t *v) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_inc_return_relaxed(v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_inc_return arch_atomic_inc_return | |
| #endif | |
| #endif /* arch_atomic_inc_return_relaxed */ | |
| #ifndef arch_atomic_fetch_inc_relaxed | |
| #ifdef arch_atomic_fetch_inc | |
| #define arch_atomic_fetch_inc_acquire arch_atomic_fetch_inc | |
| #define arch_atomic_fetch_inc_release arch_atomic_fetch_inc | |
| #define arch_atomic_fetch_inc_relaxed arch_atomic_fetch_inc | |
| #endif /* arch_atomic_fetch_inc */ | |
| #ifndef arch_atomic_fetch_inc | |
| static __always_inline int | |
| arch_atomic_fetch_inc(atomic_t *v) | |
| { | |
| return arch_atomic_fetch_add(1, v); | |
| } | |
| #define arch_atomic_fetch_inc arch_atomic_fetch_inc | |
| #endif | |
| #ifndef arch_atomic_fetch_inc_acquire | |
| static __always_inline int | |
| arch_atomic_fetch_inc_acquire(atomic_t *v) | |
| { | |
| return arch_atomic_fetch_add_acquire(1, v); | |
| } | |
| #define arch_atomic_fetch_inc_acquire arch_atomic_fetch_inc_acquire | |
| #endif | |
| #ifndef arch_atomic_fetch_inc_release | |
| static __always_inline int | |
| arch_atomic_fetch_inc_release(atomic_t *v) | |
| { | |
| return arch_atomic_fetch_add_release(1, v); | |
| } | |
| #define arch_atomic_fetch_inc_release arch_atomic_fetch_inc_release | |
| #endif | |
| #ifndef arch_atomic_fetch_inc_relaxed | |
| static __always_inline int | |
| arch_atomic_fetch_inc_relaxed(atomic_t *v) | |
| { | |
| return arch_atomic_fetch_add_relaxed(1, v); | |
| } | |
| #define arch_atomic_fetch_inc_relaxed arch_atomic_fetch_inc_relaxed | |
| #endif | |
| #else /* arch_atomic_fetch_inc_relaxed */ | |
| #ifndef arch_atomic_fetch_inc_acquire | |
| static __always_inline int | |
| arch_atomic_fetch_inc_acquire(atomic_t *v) | |
| { | |
| int ret = arch_atomic_fetch_inc_relaxed(v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_inc_acquire arch_atomic_fetch_inc_acquire | |
| #endif | |
| #ifndef arch_atomic_fetch_inc_release | |
| static __always_inline int | |
| arch_atomic_fetch_inc_release(atomic_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_fetch_inc_relaxed(v); | |
| } | |
| #define arch_atomic_fetch_inc_release arch_atomic_fetch_inc_release | |
| #endif | |
| #ifndef arch_atomic_fetch_inc | |
| static __always_inline int | |
| arch_atomic_fetch_inc(atomic_t *v) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_fetch_inc_relaxed(v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_inc arch_atomic_fetch_inc | |
| #endif | |
| #endif /* arch_atomic_fetch_inc_relaxed */ | |
| #ifndef arch_atomic_dec | |
| static __always_inline void | |
| arch_atomic_dec(atomic_t *v) | |
| { | |
| arch_atomic_sub(1, v); | |
| } | |
| #define arch_atomic_dec arch_atomic_dec | |
| #endif | |
| #ifndef arch_atomic_dec_return_relaxed | |
| #ifdef arch_atomic_dec_return | |
| #define arch_atomic_dec_return_acquire arch_atomic_dec_return | |
| #define arch_atomic_dec_return_release arch_atomic_dec_return | |
| #define arch_atomic_dec_return_relaxed arch_atomic_dec_return | |
| #endif /* arch_atomic_dec_return */ | |
| #ifndef arch_atomic_dec_return | |
| static __always_inline int | |
| arch_atomic_dec_return(atomic_t *v) | |
| { | |
| return arch_atomic_sub_return(1, v); | |
| } | |
| #define arch_atomic_dec_return arch_atomic_dec_return | |
| #endif | |
| #ifndef arch_atomic_dec_return_acquire | |
| static __always_inline int | |
| arch_atomic_dec_return_acquire(atomic_t *v) | |
| { | |
| return arch_atomic_sub_return_acquire(1, v); | |
| } | |
| #define arch_atomic_dec_return_acquire arch_atomic_dec_return_acquire | |
| #endif | |
| #ifndef arch_atomic_dec_return_release | |
| static __always_inline int | |
| arch_atomic_dec_return_release(atomic_t *v) | |
| { | |
| return arch_atomic_sub_return_release(1, v); | |
| } | |
| #define arch_atomic_dec_return_release arch_atomic_dec_return_release | |
| #endif | |
| #ifndef arch_atomic_dec_return_relaxed | |
| static __always_inline int | |
| arch_atomic_dec_return_relaxed(atomic_t *v) | |
| { | |
| return arch_atomic_sub_return_relaxed(1, v); | |
| } | |
| #define arch_atomic_dec_return_relaxed arch_atomic_dec_return_relaxed | |
| #endif | |
| #else /* arch_atomic_dec_return_relaxed */ | |
| #ifndef arch_atomic_dec_return_acquire | |
| static __always_inline int | |
| arch_atomic_dec_return_acquire(atomic_t *v) | |
| { | |
| int ret = arch_atomic_dec_return_relaxed(v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_dec_return_acquire arch_atomic_dec_return_acquire | |
| #endif | |
| #ifndef arch_atomic_dec_return_release | |
| static __always_inline int | |
| arch_atomic_dec_return_release(atomic_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_dec_return_relaxed(v); | |
| } | |
| #define arch_atomic_dec_return_release arch_atomic_dec_return_release | |
| #endif | |
| #ifndef arch_atomic_dec_return | |
| static __always_inline int | |
| arch_atomic_dec_return(atomic_t *v) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_dec_return_relaxed(v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_dec_return arch_atomic_dec_return | |
| #endif | |
| #endif /* arch_atomic_dec_return_relaxed */ | |
| #ifndef arch_atomic_fetch_dec_relaxed | |
| #ifdef arch_atomic_fetch_dec | |
| #define arch_atomic_fetch_dec_acquire arch_atomic_fetch_dec | |
| #define arch_atomic_fetch_dec_release arch_atomic_fetch_dec | |
| #define arch_atomic_fetch_dec_relaxed arch_atomic_fetch_dec | |
| #endif /* arch_atomic_fetch_dec */ | |
| #ifndef arch_atomic_fetch_dec | |
| static __always_inline int | |
| arch_atomic_fetch_dec(atomic_t *v) | |
| { | |
| return arch_atomic_fetch_sub(1, v); | |
| } | |
| #define arch_atomic_fetch_dec arch_atomic_fetch_dec | |
| #endif | |
| #ifndef arch_atomic_fetch_dec_acquire | |
| static __always_inline int | |
| arch_atomic_fetch_dec_acquire(atomic_t *v) | |
| { | |
| return arch_atomic_fetch_sub_acquire(1, v); | |
| } | |
| #define arch_atomic_fetch_dec_acquire arch_atomic_fetch_dec_acquire | |
| #endif | |
| #ifndef arch_atomic_fetch_dec_release | |
| static __always_inline int | |
| arch_atomic_fetch_dec_release(atomic_t *v) | |
| { | |
| return arch_atomic_fetch_sub_release(1, v); | |
| } | |
| #define arch_atomic_fetch_dec_release arch_atomic_fetch_dec_release | |
| #endif | |
| #ifndef arch_atomic_fetch_dec_relaxed | |
| static __always_inline int | |
| arch_atomic_fetch_dec_relaxed(atomic_t *v) | |
| { | |
| return arch_atomic_fetch_sub_relaxed(1, v); | |
| } | |
| #define arch_atomic_fetch_dec_relaxed arch_atomic_fetch_dec_relaxed | |
| #endif | |
| #else /* arch_atomic_fetch_dec_relaxed */ | |
| #ifndef arch_atomic_fetch_dec_acquire | |
| static __always_inline int | |
| arch_atomic_fetch_dec_acquire(atomic_t *v) | |
| { | |
| int ret = arch_atomic_fetch_dec_relaxed(v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_dec_acquire arch_atomic_fetch_dec_acquire | |
| #endif | |
| #ifndef arch_atomic_fetch_dec_release | |
| static __always_inline int | |
| arch_atomic_fetch_dec_release(atomic_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_fetch_dec_relaxed(v); | |
| } | |
| #define arch_atomic_fetch_dec_release arch_atomic_fetch_dec_release | |
| #endif | |
| #ifndef arch_atomic_fetch_dec | |
| static __always_inline int | |
| arch_atomic_fetch_dec(atomic_t *v) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_fetch_dec_relaxed(v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_dec arch_atomic_fetch_dec | |
| #endif | |
| #endif /* arch_atomic_fetch_dec_relaxed */ | |
| #ifndef arch_atomic_fetch_and_relaxed | |
| #define arch_atomic_fetch_and_acquire arch_atomic_fetch_and | |
| #define arch_atomic_fetch_and_release arch_atomic_fetch_and | |
| #define arch_atomic_fetch_and_relaxed arch_atomic_fetch_and | |
| #else /* arch_atomic_fetch_and_relaxed */ | |
| #ifndef arch_atomic_fetch_and_acquire | |
| static __always_inline int | |
| arch_atomic_fetch_and_acquire(int i, atomic_t *v) | |
| { | |
| int ret = arch_atomic_fetch_and_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_and_acquire arch_atomic_fetch_and_acquire | |
| #endif | |
| #ifndef arch_atomic_fetch_and_release | |
| static __always_inline int | |
| arch_atomic_fetch_and_release(int i, atomic_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_fetch_and_relaxed(i, v); | |
| } | |
| #define arch_atomic_fetch_and_release arch_atomic_fetch_and_release | |
| #endif | |
| #ifndef arch_atomic_fetch_and | |
| static __always_inline int | |
| arch_atomic_fetch_and(int i, atomic_t *v) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_fetch_and_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_and arch_atomic_fetch_and | |
| #endif | |
| #endif /* arch_atomic_fetch_and_relaxed */ | |
| #ifndef arch_atomic_andnot | |
| static __always_inline void | |
| arch_atomic_andnot(int i, atomic_t *v) | |
| { | |
| arch_atomic_and(~i, v); | |
| } | |
| #define arch_atomic_andnot arch_atomic_andnot | |
| #endif | |
| #ifndef arch_atomic_fetch_andnot_relaxed | |
| #ifdef arch_atomic_fetch_andnot | |
| #define arch_atomic_fetch_andnot_acquire arch_atomic_fetch_andnot | |
| #define arch_atomic_fetch_andnot_release arch_atomic_fetch_andnot | |
| #define arch_atomic_fetch_andnot_relaxed arch_atomic_fetch_andnot | |
| #endif /* arch_atomic_fetch_andnot */ | |
| #ifndef arch_atomic_fetch_andnot | |
| static __always_inline int | |
| arch_atomic_fetch_andnot(int i, atomic_t *v) | |
| { | |
| return arch_atomic_fetch_and(~i, v); | |
| } | |
| #define arch_atomic_fetch_andnot arch_atomic_fetch_andnot | |
| #endif | |
| #ifndef arch_atomic_fetch_andnot_acquire | |
| static __always_inline int | |
| arch_atomic_fetch_andnot_acquire(int i, atomic_t *v) | |
| { | |
| return arch_atomic_fetch_and_acquire(~i, v); | |
| } | |
| #define arch_atomic_fetch_andnot_acquire arch_atomic_fetch_andnot_acquire | |
| #endif | |
| #ifndef arch_atomic_fetch_andnot_release | |
| static __always_inline int | |
| arch_atomic_fetch_andnot_release(int i, atomic_t *v) | |
| { | |
| return arch_atomic_fetch_and_release(~i, v); | |
| } | |
| #define arch_atomic_fetch_andnot_release arch_atomic_fetch_andnot_release | |
| #endif | |
| #ifndef arch_atomic_fetch_andnot_relaxed | |
| static __always_inline int | |
| arch_atomic_fetch_andnot_relaxed(int i, atomic_t *v) | |
| { | |
| return arch_atomic_fetch_and_relaxed(~i, v); | |
| } | |
| #define arch_atomic_fetch_andnot_relaxed arch_atomic_fetch_andnot_relaxed | |
| #endif | |
| #else /* arch_atomic_fetch_andnot_relaxed */ | |
| #ifndef arch_atomic_fetch_andnot_acquire | |
| static __always_inline int | |
| arch_atomic_fetch_andnot_acquire(int i, atomic_t *v) | |
| { | |
| int ret = arch_atomic_fetch_andnot_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_andnot_acquire arch_atomic_fetch_andnot_acquire | |
| #endif | |
| #ifndef arch_atomic_fetch_andnot_release | |
| static __always_inline int | |
| arch_atomic_fetch_andnot_release(int i, atomic_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_fetch_andnot_relaxed(i, v); | |
| } | |
| #define arch_atomic_fetch_andnot_release arch_atomic_fetch_andnot_release | |
| #endif | |
| #ifndef arch_atomic_fetch_andnot | |
| static __always_inline int | |
| arch_atomic_fetch_andnot(int i, atomic_t *v) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_fetch_andnot_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_andnot arch_atomic_fetch_andnot | |
| #endif | |
| #endif /* arch_atomic_fetch_andnot_relaxed */ | |
| #ifndef arch_atomic_fetch_or_relaxed | |
| #define arch_atomic_fetch_or_acquire arch_atomic_fetch_or | |
| #define arch_atomic_fetch_or_release arch_atomic_fetch_or | |
| #define arch_atomic_fetch_or_relaxed arch_atomic_fetch_or | |
| #else /* arch_atomic_fetch_or_relaxed */ | |
| #ifndef arch_atomic_fetch_or_acquire | |
| static __always_inline int | |
| arch_atomic_fetch_or_acquire(int i, atomic_t *v) | |
| { | |
| int ret = arch_atomic_fetch_or_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_or_acquire arch_atomic_fetch_or_acquire | |
| #endif | |
| #ifndef arch_atomic_fetch_or_release | |
| static __always_inline int | |
| arch_atomic_fetch_or_release(int i, atomic_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_fetch_or_relaxed(i, v); | |
| } | |
| #define arch_atomic_fetch_or_release arch_atomic_fetch_or_release | |
| #endif | |
| #ifndef arch_atomic_fetch_or | |
| static __always_inline int | |
| arch_atomic_fetch_or(int i, atomic_t *v) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_fetch_or_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_or arch_atomic_fetch_or | |
| #endif | |
| #endif /* arch_atomic_fetch_or_relaxed */ | |
| #ifndef arch_atomic_fetch_xor_relaxed | |
| #define arch_atomic_fetch_xor_acquire arch_atomic_fetch_xor | |
| #define arch_atomic_fetch_xor_release arch_atomic_fetch_xor | |
| #define arch_atomic_fetch_xor_relaxed arch_atomic_fetch_xor | |
| #else /* arch_atomic_fetch_xor_relaxed */ | |
| #ifndef arch_atomic_fetch_xor_acquire | |
| static __always_inline int | |
| arch_atomic_fetch_xor_acquire(int i, atomic_t *v) | |
| { | |
| int ret = arch_atomic_fetch_xor_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_xor_acquire arch_atomic_fetch_xor_acquire | |
| #endif | |
| #ifndef arch_atomic_fetch_xor_release | |
| static __always_inline int | |
| arch_atomic_fetch_xor_release(int i, atomic_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_fetch_xor_relaxed(i, v); | |
| } | |
| #define arch_atomic_fetch_xor_release arch_atomic_fetch_xor_release | |
| #endif | |
| #ifndef arch_atomic_fetch_xor | |
| static __always_inline int | |
| arch_atomic_fetch_xor(int i, atomic_t *v) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_fetch_xor_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_fetch_xor arch_atomic_fetch_xor | |
| #endif | |
| #endif /* arch_atomic_fetch_xor_relaxed */ | |
| #ifndef arch_atomic_xchg_relaxed | |
| #define arch_atomic_xchg_acquire arch_atomic_xchg | |
| #define arch_atomic_xchg_release arch_atomic_xchg | |
| #define arch_atomic_xchg_relaxed arch_atomic_xchg | |
| #else /* arch_atomic_xchg_relaxed */ | |
| #ifndef arch_atomic_xchg_acquire | |
| static __always_inline int | |
| arch_atomic_xchg_acquire(atomic_t *v, int i) | |
| { | |
| int ret = arch_atomic_xchg_relaxed(v, i); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_xchg_acquire arch_atomic_xchg_acquire | |
| #endif | |
| #ifndef arch_atomic_xchg_release | |
| static __always_inline int | |
| arch_atomic_xchg_release(atomic_t *v, int i) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_xchg_relaxed(v, i); | |
| } | |
| #define arch_atomic_xchg_release arch_atomic_xchg_release | |
| #endif | |
| #ifndef arch_atomic_xchg | |
| static __always_inline int | |
| arch_atomic_xchg(atomic_t *v, int i) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_xchg_relaxed(v, i); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_xchg arch_atomic_xchg | |
| #endif | |
| #endif /* arch_atomic_xchg_relaxed */ | |
| #ifndef arch_atomic_cmpxchg_relaxed | |
| #define arch_atomic_cmpxchg_acquire arch_atomic_cmpxchg | |
| #define arch_atomic_cmpxchg_release arch_atomic_cmpxchg | |
| #define arch_atomic_cmpxchg_relaxed arch_atomic_cmpxchg | |
| #else /* arch_atomic_cmpxchg_relaxed */ | |
| #ifndef arch_atomic_cmpxchg_acquire | |
| static __always_inline int | |
| arch_atomic_cmpxchg_acquire(atomic_t *v, int old, int new) | |
| { | |
| int ret = arch_atomic_cmpxchg_relaxed(v, old, new); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_cmpxchg_acquire arch_atomic_cmpxchg_acquire | |
| #endif | |
| #ifndef arch_atomic_cmpxchg_release | |
| static __always_inline int | |
| arch_atomic_cmpxchg_release(atomic_t *v, int old, int new) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_cmpxchg_relaxed(v, old, new); | |
| } | |
| #define arch_atomic_cmpxchg_release arch_atomic_cmpxchg_release | |
| #endif | |
| #ifndef arch_atomic_cmpxchg | |
| static __always_inline int | |
| arch_atomic_cmpxchg(atomic_t *v, int old, int new) | |
| { | |
| int ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_cmpxchg_relaxed(v, old, new); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_cmpxchg arch_atomic_cmpxchg | |
| #endif | |
| #endif /* arch_atomic_cmpxchg_relaxed */ | |
| #ifndef arch_atomic_try_cmpxchg_relaxed | |
| #ifdef arch_atomic_try_cmpxchg | |
| #define arch_atomic_try_cmpxchg_acquire arch_atomic_try_cmpxchg | |
| #define arch_atomic_try_cmpxchg_release arch_atomic_try_cmpxchg | |
| #define arch_atomic_try_cmpxchg_relaxed arch_atomic_try_cmpxchg | |
| #endif /* arch_atomic_try_cmpxchg */ | |
| #ifndef arch_atomic_try_cmpxchg | |
| static __always_inline bool | |
| arch_atomic_try_cmpxchg(atomic_t *v, int *old, int new) | |
| { | |
| int r, o = *old; | |
| r = arch_atomic_cmpxchg(v, o, new); | |
| if (unlikely(r != o)) | |
| *old = r; | |
| return likely(r == o); | |
| } | |
| #define arch_atomic_try_cmpxchg arch_atomic_try_cmpxchg | |
| #endif | |
| #ifndef arch_atomic_try_cmpxchg_acquire | |
| static __always_inline bool | |
| arch_atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new) | |
| { | |
| int r, o = *old; | |
| r = arch_atomic_cmpxchg_acquire(v, o, new); | |
| if (unlikely(r != o)) | |
| *old = r; | |
| return likely(r == o); | |
| } | |
| #define arch_atomic_try_cmpxchg_acquire arch_atomic_try_cmpxchg_acquire | |
| #endif | |
| #ifndef arch_atomic_try_cmpxchg_release | |
| static __always_inline bool | |
| arch_atomic_try_cmpxchg_release(atomic_t *v, int *old, int new) | |
| { | |
| int r, o = *old; | |
| r = arch_atomic_cmpxchg_release(v, o, new); | |
| if (unlikely(r != o)) | |
| *old = r; | |
| return likely(r == o); | |
| } | |
| #define arch_atomic_try_cmpxchg_release arch_atomic_try_cmpxchg_release | |
| #endif | |
| #ifndef arch_atomic_try_cmpxchg_relaxed | |
| static __always_inline bool | |
| arch_atomic_try_cmpxchg_relaxed(atomic_t *v, int *old, int new) | |
| { | |
| int r, o = *old; | |
| r = arch_atomic_cmpxchg_relaxed(v, o, new); | |
| if (unlikely(r != o)) | |
| *old = r; | |
| return likely(r == o); | |
| } | |
| #define arch_atomic_try_cmpxchg_relaxed arch_atomic_try_cmpxchg_relaxed | |
| #endif | |
| #else /* arch_atomic_try_cmpxchg_relaxed */ | |
| #ifndef arch_atomic_try_cmpxchg_acquire | |
| static __always_inline bool | |
| arch_atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new) | |
| { | |
| bool ret = arch_atomic_try_cmpxchg_relaxed(v, old, new); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_try_cmpxchg_acquire arch_atomic_try_cmpxchg_acquire | |
| #endif | |
| #ifndef arch_atomic_try_cmpxchg_release | |
| static __always_inline bool | |
| arch_atomic_try_cmpxchg_release(atomic_t *v, int *old, int new) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic_try_cmpxchg_relaxed(v, old, new); | |
| } | |
| #define arch_atomic_try_cmpxchg_release arch_atomic_try_cmpxchg_release | |
| #endif | |
| #ifndef arch_atomic_try_cmpxchg | |
| static __always_inline bool | |
| arch_atomic_try_cmpxchg(atomic_t *v, int *old, int new) | |
| { | |
| bool ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic_try_cmpxchg_relaxed(v, old, new); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic_try_cmpxchg arch_atomic_try_cmpxchg | |
| #endif | |
| #endif /* arch_atomic_try_cmpxchg_relaxed */ | |
| #ifndef arch_atomic_sub_and_test | |
| /** | |
| * arch_atomic_sub_and_test - subtract value from variable and test result | |
| * @i: integer value to subtract | |
| * @v: pointer of type atomic_t | |
| * | |
| * Atomically subtracts @i from @v and returns | |
| * true if the result is zero, or false for all | |
| * other cases. | |
| */ | |
| static __always_inline bool | |
| arch_atomic_sub_and_test(int i, atomic_t *v) | |
| { | |
| return arch_atomic_sub_return(i, v) == 0; | |
| } | |
| #define arch_atomic_sub_and_test arch_atomic_sub_and_test | |
| #endif | |
| #ifndef arch_atomic_dec_and_test | |
| /** | |
| * arch_atomic_dec_and_test - decrement and test | |
| * @v: pointer of type atomic_t | |
| * | |
| * Atomically decrements @v by 1 and | |
| * returns true if the result is 0, or false for all other | |
| * cases. | |
| */ | |
| static __always_inline bool | |
| arch_atomic_dec_and_test(atomic_t *v) | |
| { | |
| return arch_atomic_dec_return(v) == 0; | |
| } | |
| #define arch_atomic_dec_and_test arch_atomic_dec_and_test | |
| #endif | |
| #ifndef arch_atomic_inc_and_test | |
| /** | |
| * arch_atomic_inc_and_test - increment and test | |
| * @v: pointer of type atomic_t | |
| * | |
| * Atomically increments @v by 1 | |
| * and returns true if the result is zero, or false for all | |
| * other cases. | |
| */ | |
| static __always_inline bool | |
| arch_atomic_inc_and_test(atomic_t *v) | |
| { | |
| return arch_atomic_inc_return(v) == 0; | |
| } | |
| #define arch_atomic_inc_and_test arch_atomic_inc_and_test | |
| #endif | |
| #ifndef arch_atomic_add_negative | |
| /** | |
| * arch_atomic_add_negative - add and test if negative | |
| * @i: integer value to add | |
| * @v: pointer of type atomic_t | |
| * | |
| * Atomically adds @i to @v and returns true | |
| * if the result is negative, or false when | |
| * result is greater than or equal to zero. | |
| */ | |
| static __always_inline bool | |
| arch_atomic_add_negative(int i, atomic_t *v) | |
| { | |
| return arch_atomic_add_return(i, v) < 0; | |
| } | |
| #define arch_atomic_add_negative arch_atomic_add_negative | |
| #endif | |
| #ifndef arch_atomic_fetch_add_unless | |
| /** | |
| * arch_atomic_fetch_add_unless - add unless the number is already a given value | |
| * @v: pointer of type atomic_t | |
| * @a: the amount to add to v... | |
| * @u: ...unless v is equal to u. | |
| * | |
| * Atomically adds @a to @v, so long as @v was not already @u. | |
| * Returns original value of @v | |
| */ | |
| static __always_inline int | |
| arch_atomic_fetch_add_unless(atomic_t *v, int a, int u) | |
| { | |
| int c = arch_atomic_read(v); | |
| do { | |
| if (unlikely(c == u)) | |
| break; | |
| } while (!arch_atomic_try_cmpxchg(v, &c, c + a)); | |
| return c; | |
| } | |
| #define arch_atomic_fetch_add_unless arch_atomic_fetch_add_unless | |
| #endif | |
| #ifndef arch_atomic_add_unless | |
| /** | |
| * arch_atomic_add_unless - add unless the number is already a given value | |
| * @v: pointer of type atomic_t | |
| * @a: the amount to add to v... | |
| * @u: ...unless v is equal to u. | |
| * | |
| * Atomically adds @a to @v, if @v was not already @u. | |
| * Returns true if the addition was done. | |
| */ | |
| static __always_inline bool | |
| arch_atomic_add_unless(atomic_t *v, int a, int u) | |
| { | |
| return arch_atomic_fetch_add_unless(v, a, u) != u; | |
| } | |
| #define arch_atomic_add_unless arch_atomic_add_unless | |
| #endif | |
| #ifndef arch_atomic_inc_not_zero | |
| /** | |
| * arch_atomic_inc_not_zero - increment unless the number is zero | |
| * @v: pointer of type atomic_t | |
| * | |
| * Atomically increments @v by 1, if @v is non-zero. | |
| * Returns true if the increment was done. | |
| */ | |
| static __always_inline bool | |
| arch_atomic_inc_not_zero(atomic_t *v) | |
| { | |
| return arch_atomic_add_unless(v, 1, 0); | |
| } | |
| #define arch_atomic_inc_not_zero arch_atomic_inc_not_zero | |
| #endif | |
| #ifndef arch_atomic_inc_unless_negative | |
| static __always_inline bool | |
| arch_atomic_inc_unless_negative(atomic_t *v) | |
| { | |
| int c = arch_atomic_read(v); | |
| do { | |
| if (unlikely(c < 0)) | |
| return false; | |
| } while (!arch_atomic_try_cmpxchg(v, &c, c + 1)); | |
| return true; | |
| } | |
| #define arch_atomic_inc_unless_negative arch_atomic_inc_unless_negative | |
| #endif | |
| #ifndef arch_atomic_dec_unless_positive | |
| static __always_inline bool | |
| arch_atomic_dec_unless_positive(atomic_t *v) | |
| { | |
| int c = arch_atomic_read(v); | |
| do { | |
| if (unlikely(c > 0)) | |
| return false; | |
| } while (!arch_atomic_try_cmpxchg(v, &c, c - 1)); | |
| return true; | |
| } | |
| #define arch_atomic_dec_unless_positive arch_atomic_dec_unless_positive | |
| #endif | |
| #ifndef arch_atomic_dec_if_positive | |
| static __always_inline int | |
| arch_atomic_dec_if_positive(atomic_t *v) | |
| { | |
| int dec, c = arch_atomic_read(v); | |
| do { | |
| dec = c - 1; | |
| if (unlikely(dec < 0)) | |
| break; | |
| } while (!arch_atomic_try_cmpxchg(v, &c, dec)); | |
| return dec; | |
| } | |
| #define arch_atomic_dec_if_positive arch_atomic_dec_if_positive | |
| #endif | |
| #ifdef CONFIG_GENERIC_ATOMIC64 | |
| #include <asm-generic/atomic64.h> | |
| #endif | |
| #ifndef arch_atomic64_read_acquire | |
| static __always_inline s64 | |
| arch_atomic64_read_acquire(const atomic64_t *v) | |
| { | |
| s64 ret; | |
| if (__native_word(atomic64_t)) { | |
| ret = smp_load_acquire(&(v)->counter); | |
| } else { | |
| ret = arch_atomic64_read(v); | |
| __atomic_acquire_fence(); | |
| } | |
| return ret; | |
| } | |
| #define arch_atomic64_read_acquire arch_atomic64_read_acquire | |
| #endif | |
| #ifndef arch_atomic64_set_release | |
| static __always_inline void | |
| arch_atomic64_set_release(atomic64_t *v, s64 i) | |
| { | |
| if (__native_word(atomic64_t)) { | |
| smp_store_release(&(v)->counter, i); | |
| } else { | |
| __atomic_release_fence(); | |
| arch_atomic64_set(v, i); | |
| } | |
| } | |
| #define arch_atomic64_set_release arch_atomic64_set_release | |
| #endif | |
| #ifndef arch_atomic64_add_return_relaxed | |
| #define arch_atomic64_add_return_acquire arch_atomic64_add_return | |
| #define arch_atomic64_add_return_release arch_atomic64_add_return | |
| #define arch_atomic64_add_return_relaxed arch_atomic64_add_return | |
| #else /* arch_atomic64_add_return_relaxed */ | |
| #ifndef arch_atomic64_add_return_acquire | |
| static __always_inline s64 | |
| arch_atomic64_add_return_acquire(s64 i, atomic64_t *v) | |
| { | |
| s64 ret = arch_atomic64_add_return_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_add_return_acquire arch_atomic64_add_return_acquire | |
| #endif | |
| #ifndef arch_atomic64_add_return_release | |
| static __always_inline s64 | |
| arch_atomic64_add_return_release(s64 i, atomic64_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_add_return_relaxed(i, v); | |
| } | |
| #define arch_atomic64_add_return_release arch_atomic64_add_return_release | |
| #endif | |
| #ifndef arch_atomic64_add_return | |
| static __always_inline s64 | |
| arch_atomic64_add_return(s64 i, atomic64_t *v) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_add_return_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_add_return arch_atomic64_add_return | |
| #endif | |
| #endif /* arch_atomic64_add_return_relaxed */ | |
| #ifndef arch_atomic64_fetch_add_relaxed | |
| #define arch_atomic64_fetch_add_acquire arch_atomic64_fetch_add | |
| #define arch_atomic64_fetch_add_release arch_atomic64_fetch_add | |
| #define arch_atomic64_fetch_add_relaxed arch_atomic64_fetch_add | |
| #else /* arch_atomic64_fetch_add_relaxed */ | |
| #ifndef arch_atomic64_fetch_add_acquire | |
| static __always_inline s64 | |
| arch_atomic64_fetch_add_acquire(s64 i, atomic64_t *v) | |
| { | |
| s64 ret = arch_atomic64_fetch_add_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_add_acquire arch_atomic64_fetch_add_acquire | |
| #endif | |
| #ifndef arch_atomic64_fetch_add_release | |
| static __always_inline s64 | |
| arch_atomic64_fetch_add_release(s64 i, atomic64_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_fetch_add_relaxed(i, v); | |
| } | |
| #define arch_atomic64_fetch_add_release arch_atomic64_fetch_add_release | |
| #endif | |
| #ifndef arch_atomic64_fetch_add | |
| static __always_inline s64 | |
| arch_atomic64_fetch_add(s64 i, atomic64_t *v) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_fetch_add_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_add arch_atomic64_fetch_add | |
| #endif | |
| #endif /* arch_atomic64_fetch_add_relaxed */ | |
| #ifndef arch_atomic64_sub_return_relaxed | |
| #define arch_atomic64_sub_return_acquire arch_atomic64_sub_return | |
| #define arch_atomic64_sub_return_release arch_atomic64_sub_return | |
| #define arch_atomic64_sub_return_relaxed arch_atomic64_sub_return | |
| #else /* arch_atomic64_sub_return_relaxed */ | |
| #ifndef arch_atomic64_sub_return_acquire | |
| static __always_inline s64 | |
| arch_atomic64_sub_return_acquire(s64 i, atomic64_t *v) | |
| { | |
| s64 ret = arch_atomic64_sub_return_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_sub_return_acquire arch_atomic64_sub_return_acquire | |
| #endif | |
| #ifndef arch_atomic64_sub_return_release | |
| static __always_inline s64 | |
| arch_atomic64_sub_return_release(s64 i, atomic64_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_sub_return_relaxed(i, v); | |
| } | |
| #define arch_atomic64_sub_return_release arch_atomic64_sub_return_release | |
| #endif | |
| #ifndef arch_atomic64_sub_return | |
| static __always_inline s64 | |
| arch_atomic64_sub_return(s64 i, atomic64_t *v) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_sub_return_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_sub_return arch_atomic64_sub_return | |
| #endif | |
| #endif /* arch_atomic64_sub_return_relaxed */ | |
| #ifndef arch_atomic64_fetch_sub_relaxed | |
| #define arch_atomic64_fetch_sub_acquire arch_atomic64_fetch_sub | |
| #define arch_atomic64_fetch_sub_release arch_atomic64_fetch_sub | |
| #define arch_atomic64_fetch_sub_relaxed arch_atomic64_fetch_sub | |
| #else /* arch_atomic64_fetch_sub_relaxed */ | |
| #ifndef arch_atomic64_fetch_sub_acquire | |
| static __always_inline s64 | |
| arch_atomic64_fetch_sub_acquire(s64 i, atomic64_t *v) | |
| { | |
| s64 ret = arch_atomic64_fetch_sub_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_sub_acquire arch_atomic64_fetch_sub_acquire | |
| #endif | |
| #ifndef arch_atomic64_fetch_sub_release | |
| static __always_inline s64 | |
| arch_atomic64_fetch_sub_release(s64 i, atomic64_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_fetch_sub_relaxed(i, v); | |
| } | |
| #define arch_atomic64_fetch_sub_release arch_atomic64_fetch_sub_release | |
| #endif | |
| #ifndef arch_atomic64_fetch_sub | |
| static __always_inline s64 | |
| arch_atomic64_fetch_sub(s64 i, atomic64_t *v) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_fetch_sub_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_sub arch_atomic64_fetch_sub | |
| #endif | |
| #endif /* arch_atomic64_fetch_sub_relaxed */ | |
| #ifndef arch_atomic64_inc | |
| static __always_inline void | |
| arch_atomic64_inc(atomic64_t *v) | |
| { | |
| arch_atomic64_add(1, v); | |
| } | |
| #define arch_atomic64_inc arch_atomic64_inc | |
| #endif | |
| #ifndef arch_atomic64_inc_return_relaxed | |
| #ifdef arch_atomic64_inc_return | |
| #define arch_atomic64_inc_return_acquire arch_atomic64_inc_return | |
| #define arch_atomic64_inc_return_release arch_atomic64_inc_return | |
| #define arch_atomic64_inc_return_relaxed arch_atomic64_inc_return | |
| #endif /* arch_atomic64_inc_return */ | |
| #ifndef arch_atomic64_inc_return | |
| static __always_inline s64 | |
| arch_atomic64_inc_return(atomic64_t *v) | |
| { | |
| return arch_atomic64_add_return(1, v); | |
| } | |
| #define arch_atomic64_inc_return arch_atomic64_inc_return | |
| #endif | |
| #ifndef arch_atomic64_inc_return_acquire | |
| static __always_inline s64 | |
| arch_atomic64_inc_return_acquire(atomic64_t *v) | |
| { | |
| return arch_atomic64_add_return_acquire(1, v); | |
| } | |
| #define arch_atomic64_inc_return_acquire arch_atomic64_inc_return_acquire | |
| #endif | |
| #ifndef arch_atomic64_inc_return_release | |
| static __always_inline s64 | |
| arch_atomic64_inc_return_release(atomic64_t *v) | |
| { | |
| return arch_atomic64_add_return_release(1, v); | |
| } | |
| #define arch_atomic64_inc_return_release arch_atomic64_inc_return_release | |
| #endif | |
| #ifndef arch_atomic64_inc_return_relaxed | |
| static __always_inline s64 | |
| arch_atomic64_inc_return_relaxed(atomic64_t *v) | |
| { | |
| return arch_atomic64_add_return_relaxed(1, v); | |
| } | |
| #define arch_atomic64_inc_return_relaxed arch_atomic64_inc_return_relaxed | |
| #endif | |
| #else /* arch_atomic64_inc_return_relaxed */ | |
| #ifndef arch_atomic64_inc_return_acquire | |
| static __always_inline s64 | |
| arch_atomic64_inc_return_acquire(atomic64_t *v) | |
| { | |
| s64 ret = arch_atomic64_inc_return_relaxed(v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_inc_return_acquire arch_atomic64_inc_return_acquire | |
| #endif | |
| #ifndef arch_atomic64_inc_return_release | |
| static __always_inline s64 | |
| arch_atomic64_inc_return_release(atomic64_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_inc_return_relaxed(v); | |
| } | |
| #define arch_atomic64_inc_return_release arch_atomic64_inc_return_release | |
| #endif | |
| #ifndef arch_atomic64_inc_return | |
| static __always_inline s64 | |
| arch_atomic64_inc_return(atomic64_t *v) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_inc_return_relaxed(v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_inc_return arch_atomic64_inc_return | |
| #endif | |
| #endif /* arch_atomic64_inc_return_relaxed */ | |
| #ifndef arch_atomic64_fetch_inc_relaxed | |
| #ifdef arch_atomic64_fetch_inc | |
| #define arch_atomic64_fetch_inc_acquire arch_atomic64_fetch_inc | |
| #define arch_atomic64_fetch_inc_release arch_atomic64_fetch_inc | |
| #define arch_atomic64_fetch_inc_relaxed arch_atomic64_fetch_inc | |
| #endif /* arch_atomic64_fetch_inc */ | |
| #ifndef arch_atomic64_fetch_inc | |
| static __always_inline s64 | |
| arch_atomic64_fetch_inc(atomic64_t *v) | |
| { | |
| return arch_atomic64_fetch_add(1, v); | |
| } | |
| #define arch_atomic64_fetch_inc arch_atomic64_fetch_inc | |
| #endif | |
| #ifndef arch_atomic64_fetch_inc_acquire | |
| static __always_inline s64 | |
| arch_atomic64_fetch_inc_acquire(atomic64_t *v) | |
| { | |
| return arch_atomic64_fetch_add_acquire(1, v); | |
| } | |
| #define arch_atomic64_fetch_inc_acquire arch_atomic64_fetch_inc_acquire | |
| #endif | |
| #ifndef arch_atomic64_fetch_inc_release | |
| static __always_inline s64 | |
| arch_atomic64_fetch_inc_release(atomic64_t *v) | |
| { | |
| return arch_atomic64_fetch_add_release(1, v); | |
| } | |
| #define arch_atomic64_fetch_inc_release arch_atomic64_fetch_inc_release | |
| #endif | |
| #ifndef arch_atomic64_fetch_inc_relaxed | |
| static __always_inline s64 | |
| arch_atomic64_fetch_inc_relaxed(atomic64_t *v) | |
| { | |
| return arch_atomic64_fetch_add_relaxed(1, v); | |
| } | |
| #define arch_atomic64_fetch_inc_relaxed arch_atomic64_fetch_inc_relaxed | |
| #endif | |
| #else /* arch_atomic64_fetch_inc_relaxed */ | |
| #ifndef arch_atomic64_fetch_inc_acquire | |
| static __always_inline s64 | |
| arch_atomic64_fetch_inc_acquire(atomic64_t *v) | |
| { | |
| s64 ret = arch_atomic64_fetch_inc_relaxed(v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_inc_acquire arch_atomic64_fetch_inc_acquire | |
| #endif | |
| #ifndef arch_atomic64_fetch_inc_release | |
| static __always_inline s64 | |
| arch_atomic64_fetch_inc_release(atomic64_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_fetch_inc_relaxed(v); | |
| } | |
| #define arch_atomic64_fetch_inc_release arch_atomic64_fetch_inc_release | |
| #endif | |
| #ifndef arch_atomic64_fetch_inc | |
| static __always_inline s64 | |
| arch_atomic64_fetch_inc(atomic64_t *v) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_fetch_inc_relaxed(v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_inc arch_atomic64_fetch_inc | |
| #endif | |
| #endif /* arch_atomic64_fetch_inc_relaxed */ | |
| #ifndef arch_atomic64_dec | |
| static __always_inline void | |
| arch_atomic64_dec(atomic64_t *v) | |
| { | |
| arch_atomic64_sub(1, v); | |
| } | |
| #define arch_atomic64_dec arch_atomic64_dec | |
| #endif | |
| #ifndef arch_atomic64_dec_return_relaxed | |
| #ifdef arch_atomic64_dec_return | |
| #define arch_atomic64_dec_return_acquire arch_atomic64_dec_return | |
| #define arch_atomic64_dec_return_release arch_atomic64_dec_return | |
| #define arch_atomic64_dec_return_relaxed arch_atomic64_dec_return | |
| #endif /* arch_atomic64_dec_return */ | |
| #ifndef arch_atomic64_dec_return | |
| static __always_inline s64 | |
| arch_atomic64_dec_return(atomic64_t *v) | |
| { | |
| return arch_atomic64_sub_return(1, v); | |
| } | |
| #define arch_atomic64_dec_return arch_atomic64_dec_return | |
| #endif | |
| #ifndef arch_atomic64_dec_return_acquire | |
| static __always_inline s64 | |
| arch_atomic64_dec_return_acquire(atomic64_t *v) | |
| { | |
| return arch_atomic64_sub_return_acquire(1, v); | |
| } | |
| #define arch_atomic64_dec_return_acquire arch_atomic64_dec_return_acquire | |
| #endif | |
| #ifndef arch_atomic64_dec_return_release | |
| static __always_inline s64 | |
| arch_atomic64_dec_return_release(atomic64_t *v) | |
| { | |
| return arch_atomic64_sub_return_release(1, v); | |
| } | |
| #define arch_atomic64_dec_return_release arch_atomic64_dec_return_release | |
| #endif | |
| #ifndef arch_atomic64_dec_return_relaxed | |
| static __always_inline s64 | |
| arch_atomic64_dec_return_relaxed(atomic64_t *v) | |
| { | |
| return arch_atomic64_sub_return_relaxed(1, v); | |
| } | |
| #define arch_atomic64_dec_return_relaxed arch_atomic64_dec_return_relaxed | |
| #endif | |
| #else /* arch_atomic64_dec_return_relaxed */ | |
| #ifndef arch_atomic64_dec_return_acquire | |
| static __always_inline s64 | |
| arch_atomic64_dec_return_acquire(atomic64_t *v) | |
| { | |
| s64 ret = arch_atomic64_dec_return_relaxed(v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_dec_return_acquire arch_atomic64_dec_return_acquire | |
| #endif | |
| #ifndef arch_atomic64_dec_return_release | |
| static __always_inline s64 | |
| arch_atomic64_dec_return_release(atomic64_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_dec_return_relaxed(v); | |
| } | |
| #define arch_atomic64_dec_return_release arch_atomic64_dec_return_release | |
| #endif | |
| #ifndef arch_atomic64_dec_return | |
| static __always_inline s64 | |
| arch_atomic64_dec_return(atomic64_t *v) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_dec_return_relaxed(v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_dec_return arch_atomic64_dec_return | |
| #endif | |
| #endif /* arch_atomic64_dec_return_relaxed */ | |
| #ifndef arch_atomic64_fetch_dec_relaxed | |
| #ifdef arch_atomic64_fetch_dec | |
| #define arch_atomic64_fetch_dec_acquire arch_atomic64_fetch_dec | |
| #define arch_atomic64_fetch_dec_release arch_atomic64_fetch_dec | |
| #define arch_atomic64_fetch_dec_relaxed arch_atomic64_fetch_dec | |
| #endif /* arch_atomic64_fetch_dec */ | |
| #ifndef arch_atomic64_fetch_dec | |
| static __always_inline s64 | |
| arch_atomic64_fetch_dec(atomic64_t *v) | |
| { | |
| return arch_atomic64_fetch_sub(1, v); | |
| } | |
| #define arch_atomic64_fetch_dec arch_atomic64_fetch_dec | |
| #endif | |
| #ifndef arch_atomic64_fetch_dec_acquire | |
| static __always_inline s64 | |
| arch_atomic64_fetch_dec_acquire(atomic64_t *v) | |
| { | |
| return arch_atomic64_fetch_sub_acquire(1, v); | |
| } | |
| #define arch_atomic64_fetch_dec_acquire arch_atomic64_fetch_dec_acquire | |
| #endif | |
| #ifndef arch_atomic64_fetch_dec_release | |
| static __always_inline s64 | |
| arch_atomic64_fetch_dec_release(atomic64_t *v) | |
| { | |
| return arch_atomic64_fetch_sub_release(1, v); | |
| } | |
| #define arch_atomic64_fetch_dec_release arch_atomic64_fetch_dec_release | |
| #endif | |
| #ifndef arch_atomic64_fetch_dec_relaxed | |
| static __always_inline s64 | |
| arch_atomic64_fetch_dec_relaxed(atomic64_t *v) | |
| { | |
| return arch_atomic64_fetch_sub_relaxed(1, v); | |
| } | |
| #define arch_atomic64_fetch_dec_relaxed arch_atomic64_fetch_dec_relaxed | |
| #endif | |
| #else /* arch_atomic64_fetch_dec_relaxed */ | |
| #ifndef arch_atomic64_fetch_dec_acquire | |
| static __always_inline s64 | |
| arch_atomic64_fetch_dec_acquire(atomic64_t *v) | |
| { | |
| s64 ret = arch_atomic64_fetch_dec_relaxed(v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_dec_acquire arch_atomic64_fetch_dec_acquire | |
| #endif | |
| #ifndef arch_atomic64_fetch_dec_release | |
| static __always_inline s64 | |
| arch_atomic64_fetch_dec_release(atomic64_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_fetch_dec_relaxed(v); | |
| } | |
| #define arch_atomic64_fetch_dec_release arch_atomic64_fetch_dec_release | |
| #endif | |
| #ifndef arch_atomic64_fetch_dec | |
| static __always_inline s64 | |
| arch_atomic64_fetch_dec(atomic64_t *v) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_fetch_dec_relaxed(v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_dec arch_atomic64_fetch_dec | |
| #endif | |
| #endif /* arch_atomic64_fetch_dec_relaxed */ | |
| #ifndef arch_atomic64_fetch_and_relaxed | |
| #define arch_atomic64_fetch_and_acquire arch_atomic64_fetch_and | |
| #define arch_atomic64_fetch_and_release arch_atomic64_fetch_and | |
| #define arch_atomic64_fetch_and_relaxed arch_atomic64_fetch_and | |
| #else /* arch_atomic64_fetch_and_relaxed */ | |
| #ifndef arch_atomic64_fetch_and_acquire | |
| static __always_inline s64 | |
| arch_atomic64_fetch_and_acquire(s64 i, atomic64_t *v) | |
| { | |
| s64 ret = arch_atomic64_fetch_and_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_and_acquire arch_atomic64_fetch_and_acquire | |
| #endif | |
| #ifndef arch_atomic64_fetch_and_release | |
| static __always_inline s64 | |
| arch_atomic64_fetch_and_release(s64 i, atomic64_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_fetch_and_relaxed(i, v); | |
| } | |
| #define arch_atomic64_fetch_and_release arch_atomic64_fetch_and_release | |
| #endif | |
| #ifndef arch_atomic64_fetch_and | |
| static __always_inline s64 | |
| arch_atomic64_fetch_and(s64 i, atomic64_t *v) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_fetch_and_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_and arch_atomic64_fetch_and | |
| #endif | |
| #endif /* arch_atomic64_fetch_and_relaxed */ | |
| #ifndef arch_atomic64_andnot | |
| static __always_inline void | |
| arch_atomic64_andnot(s64 i, atomic64_t *v) | |
| { | |
| arch_atomic64_and(~i, v); | |
| } | |
| #define arch_atomic64_andnot arch_atomic64_andnot | |
| #endif | |
| #ifndef arch_atomic64_fetch_andnot_relaxed | |
| #ifdef arch_atomic64_fetch_andnot | |
| #define arch_atomic64_fetch_andnot_acquire arch_atomic64_fetch_andnot | |
| #define arch_atomic64_fetch_andnot_release arch_atomic64_fetch_andnot | |
| #define arch_atomic64_fetch_andnot_relaxed arch_atomic64_fetch_andnot | |
| #endif /* arch_atomic64_fetch_andnot */ | |
| #ifndef arch_atomic64_fetch_andnot | |
| static __always_inline s64 | |
| arch_atomic64_fetch_andnot(s64 i, atomic64_t *v) | |
| { | |
| return arch_atomic64_fetch_and(~i, v); | |
| } | |
| #define arch_atomic64_fetch_andnot arch_atomic64_fetch_andnot | |
| #endif | |
| #ifndef arch_atomic64_fetch_andnot_acquire | |
| static __always_inline s64 | |
| arch_atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v) | |
| { | |
| return arch_atomic64_fetch_and_acquire(~i, v); | |
| } | |
| #define arch_atomic64_fetch_andnot_acquire arch_atomic64_fetch_andnot_acquire | |
| #endif | |
| #ifndef arch_atomic64_fetch_andnot_release | |
| static __always_inline s64 | |
| arch_atomic64_fetch_andnot_release(s64 i, atomic64_t *v) | |
| { | |
| return arch_atomic64_fetch_and_release(~i, v); | |
| } | |
| #define arch_atomic64_fetch_andnot_release arch_atomic64_fetch_andnot_release | |
| #endif | |
| #ifndef arch_atomic64_fetch_andnot_relaxed | |
| static __always_inline s64 | |
| arch_atomic64_fetch_andnot_relaxed(s64 i, atomic64_t *v) | |
| { | |
| return arch_atomic64_fetch_and_relaxed(~i, v); | |
| } | |
| #define arch_atomic64_fetch_andnot_relaxed arch_atomic64_fetch_andnot_relaxed | |
| #endif | |
| #else /* arch_atomic64_fetch_andnot_relaxed */ | |
| #ifndef arch_atomic64_fetch_andnot_acquire | |
| static __always_inline s64 | |
| arch_atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v) | |
| { | |
| s64 ret = arch_atomic64_fetch_andnot_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_andnot_acquire arch_atomic64_fetch_andnot_acquire | |
| #endif | |
| #ifndef arch_atomic64_fetch_andnot_release | |
| static __always_inline s64 | |
| arch_atomic64_fetch_andnot_release(s64 i, atomic64_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_fetch_andnot_relaxed(i, v); | |
| } | |
| #define arch_atomic64_fetch_andnot_release arch_atomic64_fetch_andnot_release | |
| #endif | |
| #ifndef arch_atomic64_fetch_andnot | |
| static __always_inline s64 | |
| arch_atomic64_fetch_andnot(s64 i, atomic64_t *v) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_fetch_andnot_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_andnot arch_atomic64_fetch_andnot | |
| #endif | |
| #endif /* arch_atomic64_fetch_andnot_relaxed */ | |
| #ifndef arch_atomic64_fetch_or_relaxed | |
| #define arch_atomic64_fetch_or_acquire arch_atomic64_fetch_or | |
| #define arch_atomic64_fetch_or_release arch_atomic64_fetch_or | |
| #define arch_atomic64_fetch_or_relaxed arch_atomic64_fetch_or | |
| #else /* arch_atomic64_fetch_or_relaxed */ | |
| #ifndef arch_atomic64_fetch_or_acquire | |
| static __always_inline s64 | |
| arch_atomic64_fetch_or_acquire(s64 i, atomic64_t *v) | |
| { | |
| s64 ret = arch_atomic64_fetch_or_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_or_acquire arch_atomic64_fetch_or_acquire | |
| #endif | |
| #ifndef arch_atomic64_fetch_or_release | |
| static __always_inline s64 | |
| arch_atomic64_fetch_or_release(s64 i, atomic64_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_fetch_or_relaxed(i, v); | |
| } | |
| #define arch_atomic64_fetch_or_release arch_atomic64_fetch_or_release | |
| #endif | |
| #ifndef arch_atomic64_fetch_or | |
| static __always_inline s64 | |
| arch_atomic64_fetch_or(s64 i, atomic64_t *v) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_fetch_or_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_or arch_atomic64_fetch_or | |
| #endif | |
| #endif /* arch_atomic64_fetch_or_relaxed */ | |
| #ifndef arch_atomic64_fetch_xor_relaxed | |
| #define arch_atomic64_fetch_xor_acquire arch_atomic64_fetch_xor | |
| #define arch_atomic64_fetch_xor_release arch_atomic64_fetch_xor | |
| #define arch_atomic64_fetch_xor_relaxed arch_atomic64_fetch_xor | |
| #else /* arch_atomic64_fetch_xor_relaxed */ | |
| #ifndef arch_atomic64_fetch_xor_acquire | |
| static __always_inline s64 | |
| arch_atomic64_fetch_xor_acquire(s64 i, atomic64_t *v) | |
| { | |
| s64 ret = arch_atomic64_fetch_xor_relaxed(i, v); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_xor_acquire arch_atomic64_fetch_xor_acquire | |
| #endif | |
| #ifndef arch_atomic64_fetch_xor_release | |
| static __always_inline s64 | |
| arch_atomic64_fetch_xor_release(s64 i, atomic64_t *v) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_fetch_xor_relaxed(i, v); | |
| } | |
| #define arch_atomic64_fetch_xor_release arch_atomic64_fetch_xor_release | |
| #endif | |
| #ifndef arch_atomic64_fetch_xor | |
| static __always_inline s64 | |
| arch_atomic64_fetch_xor(s64 i, atomic64_t *v) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_fetch_xor_relaxed(i, v); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_fetch_xor arch_atomic64_fetch_xor | |
| #endif | |
| #endif /* arch_atomic64_fetch_xor_relaxed */ | |
| #ifndef arch_atomic64_xchg_relaxed | |
| #define arch_atomic64_xchg_acquire arch_atomic64_xchg | |
| #define arch_atomic64_xchg_release arch_atomic64_xchg | |
| #define arch_atomic64_xchg_relaxed arch_atomic64_xchg | |
| #else /* arch_atomic64_xchg_relaxed */ | |
| #ifndef arch_atomic64_xchg_acquire | |
| static __always_inline s64 | |
| arch_atomic64_xchg_acquire(atomic64_t *v, s64 i) | |
| { | |
| s64 ret = arch_atomic64_xchg_relaxed(v, i); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_xchg_acquire arch_atomic64_xchg_acquire | |
| #endif | |
| #ifndef arch_atomic64_xchg_release | |
| static __always_inline s64 | |
| arch_atomic64_xchg_release(atomic64_t *v, s64 i) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_xchg_relaxed(v, i); | |
| } | |
| #define arch_atomic64_xchg_release arch_atomic64_xchg_release | |
| #endif | |
| #ifndef arch_atomic64_xchg | |
| static __always_inline s64 | |
| arch_atomic64_xchg(atomic64_t *v, s64 i) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_xchg_relaxed(v, i); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_xchg arch_atomic64_xchg | |
| #endif | |
| #endif /* arch_atomic64_xchg_relaxed */ | |
| #ifndef arch_atomic64_cmpxchg_relaxed | |
| #define arch_atomic64_cmpxchg_acquire arch_atomic64_cmpxchg | |
| #define arch_atomic64_cmpxchg_release arch_atomic64_cmpxchg | |
| #define arch_atomic64_cmpxchg_relaxed arch_atomic64_cmpxchg | |
| #else /* arch_atomic64_cmpxchg_relaxed */ | |
| #ifndef arch_atomic64_cmpxchg_acquire | |
| static __always_inline s64 | |
| arch_atomic64_cmpxchg_acquire(atomic64_t *v, s64 old, s64 new) | |
| { | |
| s64 ret = arch_atomic64_cmpxchg_relaxed(v, old, new); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_cmpxchg_acquire arch_atomic64_cmpxchg_acquire | |
| #endif | |
| #ifndef arch_atomic64_cmpxchg_release | |
| static __always_inline s64 | |
| arch_atomic64_cmpxchg_release(atomic64_t *v, s64 old, s64 new) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_cmpxchg_relaxed(v, old, new); | |
| } | |
| #define arch_atomic64_cmpxchg_release arch_atomic64_cmpxchg_release | |
| #endif | |
| #ifndef arch_atomic64_cmpxchg | |
| static __always_inline s64 | |
| arch_atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new) | |
| { | |
| s64 ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_cmpxchg_relaxed(v, old, new); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_cmpxchg arch_atomic64_cmpxchg | |
| #endif | |
| #endif /* arch_atomic64_cmpxchg_relaxed */ | |
| #ifndef arch_atomic64_try_cmpxchg_relaxed | |
| #ifdef arch_atomic64_try_cmpxchg | |
| #define arch_atomic64_try_cmpxchg_acquire arch_atomic64_try_cmpxchg | |
| #define arch_atomic64_try_cmpxchg_release arch_atomic64_try_cmpxchg | |
| #define arch_atomic64_try_cmpxchg_relaxed arch_atomic64_try_cmpxchg | |
| #endif /* arch_atomic64_try_cmpxchg */ | |
| #ifndef arch_atomic64_try_cmpxchg | |
| static __always_inline bool | |
| arch_atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) | |
| { | |
| s64 r, o = *old; | |
| r = arch_atomic64_cmpxchg(v, o, new); | |
| if (unlikely(r != o)) | |
| *old = r; | |
| return likely(r == o); | |
| } | |
| #define arch_atomic64_try_cmpxchg arch_atomic64_try_cmpxchg | |
| #endif | |
| #ifndef arch_atomic64_try_cmpxchg_acquire | |
| static __always_inline bool | |
| arch_atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new) | |
| { | |
| s64 r, o = *old; | |
| r = arch_atomic64_cmpxchg_acquire(v, o, new); | |
| if (unlikely(r != o)) | |
| *old = r; | |
| return likely(r == o); | |
| } | |
| #define arch_atomic64_try_cmpxchg_acquire arch_atomic64_try_cmpxchg_acquire | |
| #endif | |
| #ifndef arch_atomic64_try_cmpxchg_release | |
| static __always_inline bool | |
| arch_atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new) | |
| { | |
| s64 r, o = *old; | |
| r = arch_atomic64_cmpxchg_release(v, o, new); | |
| if (unlikely(r != o)) | |
| *old = r; | |
| return likely(r == o); | |
| } | |
| #define arch_atomic64_try_cmpxchg_release arch_atomic64_try_cmpxchg_release | |
| #endif | |
| #ifndef arch_atomic64_try_cmpxchg_relaxed | |
| static __always_inline bool | |
| arch_atomic64_try_cmpxchg_relaxed(atomic64_t *v, s64 *old, s64 new) | |
| { | |
| s64 r, o = *old; | |
| r = arch_atomic64_cmpxchg_relaxed(v, o, new); | |
| if (unlikely(r != o)) | |
| *old = r; | |
| return likely(r == o); | |
| } | |
| #define arch_atomic64_try_cmpxchg_relaxed arch_atomic64_try_cmpxchg_relaxed | |
| #endif | |
| #else /* arch_atomic64_try_cmpxchg_relaxed */ | |
| #ifndef arch_atomic64_try_cmpxchg_acquire | |
| static __always_inline bool | |
| arch_atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new) | |
| { | |
| bool ret = arch_atomic64_try_cmpxchg_relaxed(v, old, new); | |
| __atomic_acquire_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_try_cmpxchg_acquire arch_atomic64_try_cmpxchg_acquire | |
| #endif | |
| #ifndef arch_atomic64_try_cmpxchg_release | |
| static __always_inline bool | |
| arch_atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new) | |
| { | |
| __atomic_release_fence(); | |
| return arch_atomic64_try_cmpxchg_relaxed(v, old, new); | |
| } | |
| #define arch_atomic64_try_cmpxchg_release arch_atomic64_try_cmpxchg_release | |
| #endif | |
| #ifndef arch_atomic64_try_cmpxchg | |
| static __always_inline bool | |
| arch_atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) | |
| { | |
| bool ret; | |
| __atomic_pre_full_fence(); | |
| ret = arch_atomic64_try_cmpxchg_relaxed(v, old, new); | |
| __atomic_post_full_fence(); | |
| return ret; | |
| } | |
| #define arch_atomic64_try_cmpxchg arch_atomic64_try_cmpxchg | |
| #endif | |
| #endif /* arch_atomic64_try_cmpxchg_relaxed */ | |
| #ifndef arch_atomic64_sub_and_test | |
| /** | |
| * arch_atomic64_sub_and_test - subtract value from variable and test result | |
| * @i: integer value to subtract | |
| * @v: pointer of type atomic64_t | |
| * | |
| * Atomically subtracts @i from @v and returns | |
| * true if the result is zero, or false for all | |
| * other cases. | |
| */ | |
| static __always_inline bool | |
| arch_atomic64_sub_and_test(s64 i, atomic64_t *v) | |
| { | |
| return arch_atomic64_sub_return(i, v) == 0; | |
| } | |
| #define arch_atomic64_sub_and_test arch_atomic64_sub_and_test | |
| #endif | |
| #ifndef arch_atomic64_dec_and_test | |
| /** | |
| * arch_atomic64_dec_and_test - decrement and test | |
| * @v: pointer of type atomic64_t | |
| * | |
| * Atomically decrements @v by 1 and | |
| * returns true if the result is 0, or false for all other | |
| * cases. | |
| */ | |
| static __always_inline bool | |
| arch_atomic64_dec_and_test(atomic64_t *v) | |
| { | |
| return arch_atomic64_dec_return(v) == 0; | |
| } | |
| #define arch_atomic64_dec_and_test arch_atomic64_dec_and_test | |
| #endif | |
| #ifndef arch_atomic64_inc_and_test | |
| /** | |
| * arch_atomic64_inc_and_test - increment and test | |
| * @v: pointer of type atomic64_t | |
| * | |
| * Atomically increments @v by 1 | |
| * and returns true if the result is zero, or false for all | |
| * other cases. | |
| */ | |
| static __always_inline bool | |
| arch_atomic64_inc_and_test(atomic64_t *v) | |
| { | |
| return arch_atomic64_inc_return(v) == 0; | |
| } | |
| #define arch_atomic64_inc_and_test arch_atomic64_inc_and_test | |
| #endif | |
| #ifndef arch_atomic64_add_negative | |
| /** | |
| * arch_atomic64_add_negative - add and test if negative | |
| * @i: integer value to add | |
| * @v: pointer of type atomic64_t | |
| * | |
| * Atomically adds @i to @v and returns true | |
| * if the result is negative, or false when | |
| * result is greater than or equal to zero. | |
| */ | |
| static __always_inline bool | |
| arch_atomic64_add_negative(s64 i, atomic64_t *v) | |
| { | |
| return arch_atomic64_add_return(i, v) < 0; | |
| } | |
| #define arch_atomic64_add_negative arch_atomic64_add_negative | |
| #endif | |
| #ifndef arch_atomic64_fetch_add_unless | |
| /** | |
| * arch_atomic64_fetch_add_unless - add unless the number is already a given value | |
| * @v: pointer of type atomic64_t | |
| * @a: the amount to add to v... | |
| * @u: ...unless v is equal to u. | |
| * | |
| * Atomically adds @a to @v, so long as @v was not already @u. | |
| * Returns original value of @v | |
| */ | |
| static __always_inline s64 | |
| arch_atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u) | |
| { | |
| s64 c = arch_atomic64_read(v); | |
| do { | |
| if (unlikely(c == u)) | |
| break; | |
| } while (!arch_atomic64_try_cmpxchg(v, &c, c + a)); | |
| return c; | |
| } | |
| #define arch_atomic64_fetch_add_unless arch_atomic64_fetch_add_unless | |
| #endif | |
| #ifndef arch_atomic64_add_unless | |
| /** | |
| * arch_atomic64_add_unless - add unless the number is already a given value | |
| * @v: pointer of type atomic64_t | |
| * @a: the amount to add to v... | |
| * @u: ...unless v is equal to u. | |
| * | |
| * Atomically adds @a to @v, if @v was not already @u. | |
| * Returns true if the addition was done. | |
| */ | |
| static __always_inline bool | |
| arch_atomic64_add_unless(atomic64_t *v, s64 a, s64 u) | |
| { | |
| return arch_atomic64_fetch_add_unless(v, a, u) != u; | |
| } | |
| #define arch_atomic64_add_unless arch_atomic64_add_unless | |
| #endif | |
| #ifndef arch_atomic64_inc_not_zero | |
| /** | |
| * arch_atomic64_inc_not_zero - increment unless the number is zero | |
| * @v: pointer of type atomic64_t | |
| * | |
| * Atomically increments @v by 1, if @v is non-zero. | |
| * Returns true if the increment was done. | |
| */ | |
| static __always_inline bool | |
| arch_atomic64_inc_not_zero(atomic64_t *v) | |
| { | |
| return arch_atomic64_add_unless(v, 1, 0); | |
| } | |
| #define arch_atomic64_inc_not_zero arch_atomic64_inc_not_zero | |
| #endif | |
| #ifndef arch_atomic64_inc_unless_negative | |
| static __always_inline bool | |
| arch_atomic64_inc_unless_negative(atomic64_t *v) | |
| { | |
| s64 c = arch_atomic64_read(v); | |
| do { | |
| if (unlikely(c < 0)) | |
| return false; | |
| } while (!arch_atomic64_try_cmpxchg(v, &c, c + 1)); | |
| return true; | |
| } | |
| #define arch_atomic64_inc_unless_negative arch_atomic64_inc_unless_negative | |
| #endif | |
| #ifndef arch_atomic64_dec_unless_positive | |
| static __always_inline bool | |
| arch_atomic64_dec_unless_positive(atomic64_t *v) | |
| { | |
| s64 c = arch_atomic64_read(v); | |
| do { | |
| if (unlikely(c > 0)) | |
| return false; | |
| } while (!arch_atomic64_try_cmpxchg(v, &c, c - 1)); | |
| return true; | |
| } | |
| #define arch_atomic64_dec_unless_positive arch_atomic64_dec_unless_positive | |
| #endif | |
| #ifndef arch_atomic64_dec_if_positive | |
| static __always_inline s64 | |
| arch_atomic64_dec_if_positive(atomic64_t *v) | |
| { | |
| s64 dec, c = arch_atomic64_read(v); | |
| do { | |
| dec = c - 1; | |
| if (unlikely(dec < 0)) | |
| break; | |
| } while (!arch_atomic64_try_cmpxchg(v, &c, dec)); | |
| return dec; | |
| } | |
| #define arch_atomic64_dec_if_positive arch_atomic64_dec_if_positive | |
| #endif | |
| #endif /* _LINUX_ATOMIC_FALLBACK_H */ | |
| // b5e87bdd5ede61470c29f7a7e4de781af3770f09 |