diff options
Diffstat (limited to '')
| -rw-r--r-- | include/linux/atomic/atomic-instrumented.h | 152 |
1 files changed, 118 insertions, 34 deletions
diff --git a/include/linux/atomic/atomic-instrumented.h b/include/linux/atomic/atomic-instrumented.h index 7a139ec030b0..03a232a1fa57 100644 --- a/include/linux/atomic/atomic-instrumented.h +++ b/include/linux/atomic/atomic-instrumented.h @@ -592,6 +592,28 @@ atomic_add_negative(int i, atomic_t *v) return arch_atomic_add_negative(i, v); } +static __always_inline bool +atomic_add_negative_acquire(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_add_negative_acquire(i, v); +} + +static __always_inline bool +atomic_add_negative_release(int i, atomic_t *v) +{ + kcsan_release(); + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_add_negative_release(i, v); +} + +static __always_inline bool +atomic_add_negative_relaxed(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_add_negative_relaxed(i, v); +} + static __always_inline int atomic_fetch_add_unless(atomic_t *v, int a, int u) { @@ -1211,6 +1233,28 @@ atomic64_add_negative(s64 i, atomic64_t *v) return arch_atomic64_add_negative(i, v); } +static __always_inline bool +atomic64_add_negative_acquire(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_add_negative_acquire(i, v); +} + +static __always_inline bool +atomic64_add_negative_release(s64 i, atomic64_t *v) +{ + kcsan_release(); + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_add_negative_release(i, v); +} + +static __always_inline bool +atomic64_add_negative_relaxed(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_add_negative_relaxed(i, v); +} + static __always_inline s64 atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u) { @@ -1830,6 +1874,28 @@ atomic_long_add_negative(long i, atomic_long_t *v) return arch_atomic_long_add_negative(i, v); } +static __always_inline bool +atomic_long_add_negative_acquire(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_add_negative_acquire(i, v); +} + +static __always_inline bool +atomic_long_add_negative_release(long i, atomic_long_t *v) +{ + kcsan_release(); + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_add_negative_release(i, v); +} + +static __always_inline bool +atomic_long_add_negative_relaxed(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_add_negative_relaxed(i, v); +} + static __always_inline long atomic_long_fetch_add_unless(atomic_long_t *v, long a, long u) { @@ -1882,14 +1948,14 @@ atomic_long_dec_if_positive(atomic_long_t *v) ({ \ typeof(ptr) __ai_ptr = (ptr); \ kcsan_mb(); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_xchg(__ai_ptr, __VA_ARGS__); \ }) #define xchg_acquire(ptr, ...) \ ({ \ typeof(ptr) __ai_ptr = (ptr); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_xchg_acquire(__ai_ptr, __VA_ARGS__); \ }) @@ -1897,14 +1963,14 @@ atomic_long_dec_if_positive(atomic_long_t *v) ({ \ typeof(ptr) __ai_ptr = (ptr); \ kcsan_release(); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_xchg_release(__ai_ptr, __VA_ARGS__); \ }) #define xchg_relaxed(ptr, ...) \ ({ \ typeof(ptr) __ai_ptr = (ptr); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_xchg_relaxed(__ai_ptr, __VA_ARGS__); \ }) @@ -1912,14 +1978,14 @@ atomic_long_dec_if_positive(atomic_long_t *v) ({ \ typeof(ptr) __ai_ptr = (ptr); \ kcsan_mb(); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_cmpxchg(__ai_ptr, __VA_ARGS__); \ }) #define cmpxchg_acquire(ptr, ...) \ ({ \ typeof(ptr) __ai_ptr = (ptr); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_cmpxchg_acquire(__ai_ptr, __VA_ARGS__); \ }) @@ -1927,14 +1993,14 @@ atomic_long_dec_if_positive(atomic_long_t *v) ({ \ typeof(ptr) __ai_ptr = (ptr); \ kcsan_release(); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_cmpxchg_release(__ai_ptr, __VA_ARGS__); \ }) #define cmpxchg_relaxed(ptr, ...) \ ({ \ typeof(ptr) __ai_ptr = (ptr); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_cmpxchg_relaxed(__ai_ptr, __VA_ARGS__); \ }) @@ -1942,14 +2008,14 @@ atomic_long_dec_if_positive(atomic_long_t *v) ({ \ typeof(ptr) __ai_ptr = (ptr); \ kcsan_mb(); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_cmpxchg64(__ai_ptr, __VA_ARGS__); \ }) #define cmpxchg64_acquire(ptr, ...) \ ({ \ typeof(ptr) __ai_ptr = (ptr); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_cmpxchg64_acquire(__ai_ptr, __VA_ARGS__); \ }) @@ -1957,14 +2023,14 @@ atomic_long_dec_if_positive(atomic_long_t *v) ({ \ typeof(ptr) __ai_ptr = (ptr); \ kcsan_release(); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_cmpxchg64_release(__ai_ptr, __VA_ARGS__); \ }) #define cmpxchg64_relaxed(ptr, ...) \ ({ \ typeof(ptr) __ai_ptr = (ptr); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_cmpxchg64_relaxed(__ai_ptr, __VA_ARGS__); \ }) @@ -1973,8 +2039,8 @@ atomic_long_dec_if_positive(atomic_long_t *v) typeof(ptr) __ai_ptr = (ptr); \ typeof(oldp) __ai_oldp = (oldp); \ kcsan_mb(); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ - instrument_atomic_write(__ai_oldp, sizeof(*__ai_oldp)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ arch_try_cmpxchg(__ai_ptr, __ai_oldp, __VA_ARGS__); \ }) @@ -1982,8 +2048,8 @@ atomic_long_dec_if_positive(atomic_long_t *v) ({ \ typeof(ptr) __ai_ptr = (ptr); \ typeof(oldp) __ai_oldp = (oldp); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ - instrument_atomic_write(__ai_oldp, sizeof(*__ai_oldp)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ arch_try_cmpxchg_acquire(__ai_ptr, __ai_oldp, __VA_ARGS__); \ }) @@ -1992,8 +2058,8 @@ atomic_long_dec_if_positive(atomic_long_t *v) typeof(ptr) __ai_ptr = (ptr); \ typeof(oldp) __ai_oldp = (oldp); \ kcsan_release(); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ - instrument_atomic_write(__ai_oldp, sizeof(*__ai_oldp)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ arch_try_cmpxchg_release(__ai_ptr, __ai_oldp, __VA_ARGS__); \ }) @@ -2001,8 +2067,8 @@ atomic_long_dec_if_positive(atomic_long_t *v) ({ \ typeof(ptr) __ai_ptr = (ptr); \ typeof(oldp) __ai_oldp = (oldp); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ - instrument_atomic_write(__ai_oldp, sizeof(*__ai_oldp)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ arch_try_cmpxchg_relaxed(__ai_ptr, __ai_oldp, __VA_ARGS__); \ }) @@ -2011,8 +2077,8 @@ atomic_long_dec_if_positive(atomic_long_t *v) typeof(ptr) __ai_ptr = (ptr); \ typeof(oldp) __ai_oldp = (oldp); \ kcsan_mb(); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ - instrument_atomic_write(__ai_oldp, sizeof(*__ai_oldp)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ arch_try_cmpxchg64(__ai_ptr, __ai_oldp, __VA_ARGS__); \ }) @@ -2020,8 +2086,8 @@ atomic_long_dec_if_positive(atomic_long_t *v) ({ \ typeof(ptr) __ai_ptr = (ptr); \ typeof(oldp) __ai_oldp = (oldp); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ - instrument_atomic_write(__ai_oldp, sizeof(*__ai_oldp)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ arch_try_cmpxchg64_acquire(__ai_ptr, __ai_oldp, __VA_ARGS__); \ }) @@ -2030,8 +2096,8 @@ atomic_long_dec_if_positive(atomic_long_t *v) typeof(ptr) __ai_ptr = (ptr); \ typeof(oldp) __ai_oldp = (oldp); \ kcsan_release(); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ - instrument_atomic_write(__ai_oldp, sizeof(*__ai_oldp)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ arch_try_cmpxchg64_release(__ai_ptr, __ai_oldp, __VA_ARGS__); \ }) @@ -2039,22 +2105,22 @@ atomic_long_dec_if_positive(atomic_long_t *v) ({ \ typeof(ptr) __ai_ptr = (ptr); \ typeof(oldp) __ai_oldp = (oldp); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ - instrument_atomic_write(__ai_oldp, sizeof(*__ai_oldp)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ arch_try_cmpxchg64_relaxed(__ai_ptr, __ai_oldp, __VA_ARGS__); \ }) #define cmpxchg_local(ptr, ...) \ ({ \ typeof(ptr) __ai_ptr = (ptr); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_cmpxchg_local(__ai_ptr, __VA_ARGS__); \ }) #define cmpxchg64_local(ptr, ...) \ ({ \ typeof(ptr) __ai_ptr = (ptr); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_cmpxchg64_local(__ai_ptr, __VA_ARGS__); \ }) @@ -2062,15 +2128,33 @@ atomic_long_dec_if_positive(atomic_long_t *v) ({ \ typeof(ptr) __ai_ptr = (ptr); \ kcsan_mb(); \ - instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ arch_sync_cmpxchg(__ai_ptr, __VA_ARGS__); \ }) +#define try_cmpxchg_local(ptr, oldp, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + typeof(oldp) __ai_oldp = (oldp); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ + arch_try_cmpxchg_local(__ai_ptr, __ai_oldp, __VA_ARGS__); \ +}) + +#define try_cmpxchg64_local(ptr, oldp, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + typeof(oldp) __ai_oldp = (oldp); \ + instrument_atomic_read_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_read_write(__ai_oldp, sizeof(*__ai_oldp)); \ + arch_try_cmpxchg64_local(__ai_ptr, __ai_oldp, __VA_ARGS__); \ +}) + #define cmpxchg_double(ptr, ...) \ ({ \ typeof(ptr) __ai_ptr = (ptr); \ kcsan_mb(); \ - instrument_atomic_write(__ai_ptr, 2 * sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, 2 * sizeof(*__ai_ptr)); \ arch_cmpxchg_double(__ai_ptr, __VA_ARGS__); \ }) @@ -2078,9 +2162,9 @@ atomic_long_dec_if_positive(atomic_long_t *v) #define cmpxchg_double_local(ptr, ...) \ ({ \ typeof(ptr) __ai_ptr = (ptr); \ - instrument_atomic_write(__ai_ptr, 2 * sizeof(*__ai_ptr)); \ + instrument_atomic_read_write(__ai_ptr, 2 * sizeof(*__ai_ptr)); \ arch_cmpxchg_double_local(__ai_ptr, __VA_ARGS__); \ }) #endif /* _LINUX_ATOMIC_INSTRUMENTED_H */ -// 764f741eb77a7ad565dc8d99ce2837d5542e8aee +// 6b513a42e1a1b5962532a019b7fc91eaa044ad5e |