Commit-ID: ff5060d9b2a73917dbf52654e29b08018e22a1f9 Gitweb: http://git.kernel.org/tip/ff5060d9b2a73917dbf52654e29b08018e22a1f9 Author: Dmitry Vyukov <dvyu...@google.com> AuthorDate: Sat, 17 Jun 2017 11:15:29 +0200 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Thu, 22 Jun 2017 10:20:12 +0200
locking/atomic: Add asm-generic/atomic-instrumented.h The new header allows to wrap per-arch atomic operations and add common functionality to all of them. Signed-off-by: Dmitry Vyukov <dvyu...@google.com> Acked-by: Mark Rutland <mark.rutl...@arm.com> Cc: Andrew Morton <a...@linux-foundation.org> Cc: Andrey Ryabinin <aryabi...@virtuozzo.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Will Deacon <will.dea...@arm.com> Cc: kasan-...@googlegroups.com Cc: linux...@kvack.org Link: http://lkml.kernel.org/r/4ffbfa72c29134ac87b1f69da1506a5720590b5d.1497690003.git.dvyu...@google.com Signed-off-by: Ingo Molnar <mi...@kernel.org> --- include/asm-generic/atomic-instrumented.h | 316 ++++++++++++++++++++++++++++++ 1 file changed, 316 insertions(+) diff --git a/include/asm-generic/atomic-instrumented.h b/include/asm-generic/atomic-instrumented.h new file mode 100644 index 0000000..50401d9 --- /dev/null +++ b/include/asm-generic/atomic-instrumented.h @@ -0,0 +1,316 @@ +#ifndef _LINUX_ATOMIC_INSTRUMENTED_H +#define _LINUX_ATOMIC_INSTRUMENTED_H + +static __always_inline int atomic_read(const atomic_t *v) +{ + return arch_atomic_read(v); +} + +static __always_inline s64 atomic64_read(const atomic64_t *v) +{ + return arch_atomic64_read(v); +} + +static __always_inline void atomic_set(atomic_t *v, int i) +{ + arch_atomic_set(v, i); +} + +static __always_inline void atomic64_set(atomic64_t *v, s64 i) +{ + arch_atomic64_set(v, i); +} + +static __always_inline int atomic_xchg(atomic_t *v, int i) +{ + return arch_atomic_xchg(v, i); +} + +static __always_inline s64 atomic64_xchg(atomic64_t *v, s64 i) +{ + return arch_atomic64_xchg(v, i); +} + +static __always_inline int atomic_cmpxchg(atomic_t *v, int old, int new) +{ + return arch_atomic_cmpxchg(v, old, new); +} + +static __always_inline s64 atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new) +{ + return arch_atomic64_cmpxchg(v, old, new); +} + +#ifdef arch_atomic_try_cmpxchg +#define atomic_try_cmpxchg atomic_try_cmpxchg +static __always_inline bool atomic_try_cmpxchg(atomic_t *v, int *old, int new) +{ + return arch_atomic_try_cmpxchg(v, old, new); +} +#endif + +#ifdef arch_atomic64_try_cmpxchg +#define atomic64_try_cmpxchg atomic64_try_cmpxchg +static __always_inline bool atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) +{ + return arch_atomic64_try_cmpxchg(v, old, new); +} +#endif + +static __always_inline int __atomic_add_unless(atomic_t *v, int a, int u) +{ + return __arch_atomic_add_unless(v, a, u); +} + + +static __always_inline bool atomic64_add_unless(atomic64_t *v, s64 a, s64 u) +{ + return arch_atomic64_add_unless(v, a, u); +} + +static __always_inline void atomic_inc(atomic_t *v) +{ + arch_atomic_inc(v); +} + +static __always_inline void atomic64_inc(atomic64_t *v) +{ + arch_atomic64_inc(v); +} + +static __always_inline void atomic_dec(atomic_t *v) +{ + arch_atomic_dec(v); +} + +static __always_inline void atomic64_dec(atomic64_t *v) +{ + arch_atomic64_dec(v); +} + +static __always_inline void atomic_add(int i, atomic_t *v) +{ + arch_atomic_add(i, v); +} + +static __always_inline void atomic64_add(s64 i, atomic64_t *v) +{ + arch_atomic64_add(i, v); +} + +static __always_inline void atomic_sub(int i, atomic_t *v) +{ + arch_atomic_sub(i, v); +} + +static __always_inline void atomic64_sub(s64 i, atomic64_t *v) +{ + arch_atomic64_sub(i, v); +} + +static __always_inline void atomic_and(int i, atomic_t *v) +{ + arch_atomic_and(i, v); +} + +static __always_inline void atomic64_and(s64 i, atomic64_t *v) +{ + arch_atomic64_and(i, v); +} + +static __always_inline void atomic_or(int i, atomic_t *v) +{ + arch_atomic_or(i, v); +} + +static __always_inline void atomic64_or(s64 i, atomic64_t *v) +{ + arch_atomic64_or(i, v); +} + +static __always_inline void atomic_xor(int i, atomic_t *v) +{ + arch_atomic_xor(i, v); +} + +static __always_inline void atomic64_xor(s64 i, atomic64_t *v) +{ + arch_atomic64_xor(i, v); +} + +static __always_inline int atomic_inc_return(atomic_t *v) +{ + return arch_atomic_inc_return(v); +} + +static __always_inline s64 atomic64_inc_return(atomic64_t *v) +{ + return arch_atomic64_inc_return(v); +} + +static __always_inline int atomic_dec_return(atomic_t *v) +{ + return arch_atomic_dec_return(v); +} + +static __always_inline s64 atomic64_dec_return(atomic64_t *v) +{ + return arch_atomic64_dec_return(v); +} + +static __always_inline s64 atomic64_inc_not_zero(atomic64_t *v) +{ + return arch_atomic64_inc_not_zero(v); +} + +static __always_inline s64 atomic64_dec_if_positive(atomic64_t *v) +{ + return arch_atomic64_dec_if_positive(v); +} + +static __always_inline bool atomic_dec_and_test(atomic_t *v) +{ + return arch_atomic_dec_and_test(v); +} + +static __always_inline bool atomic64_dec_and_test(atomic64_t *v) +{ + return arch_atomic64_dec_and_test(v); +} + +static __always_inline bool atomic_inc_and_test(atomic_t *v) +{ + return arch_atomic_inc_and_test(v); +} + +static __always_inline bool atomic64_inc_and_test(atomic64_t *v) +{ + return arch_atomic64_inc_and_test(v); +} + +static __always_inline int atomic_add_return(int i, atomic_t *v) +{ + return arch_atomic_add_return(i, v); +} + +static __always_inline s64 atomic64_add_return(s64 i, atomic64_t *v) +{ + return arch_atomic64_add_return(i, v); +} + +static __always_inline int atomic_sub_return(int i, atomic_t *v) +{ + return arch_atomic_sub_return(i, v); +} + +static __always_inline s64 atomic64_sub_return(s64 i, atomic64_t *v) +{ + return arch_atomic64_sub_return(i, v); +} + +static __always_inline int atomic_fetch_add(int i, atomic_t *v) +{ + return arch_atomic_fetch_add(i, v); +} + +static __always_inline s64 atomic64_fetch_add(s64 i, atomic64_t *v) +{ + return arch_atomic64_fetch_add(i, v); +} + +static __always_inline int atomic_fetch_sub(int i, atomic_t *v) +{ + return arch_atomic_fetch_sub(i, v); +} + +static __always_inline s64 atomic64_fetch_sub(s64 i, atomic64_t *v) +{ + return arch_atomic64_fetch_sub(i, v); +} + +static __always_inline int atomic_fetch_and(int i, atomic_t *v) +{ + return arch_atomic_fetch_and(i, v); +} + +static __always_inline s64 atomic64_fetch_and(s64 i, atomic64_t *v) +{ + return arch_atomic64_fetch_and(i, v); +} + +static __always_inline int atomic_fetch_or(int i, atomic_t *v) +{ + return arch_atomic_fetch_or(i, v); +} + +static __always_inline s64 atomic64_fetch_or(s64 i, atomic64_t *v) +{ + return arch_atomic64_fetch_or(i, v); +} + +static __always_inline int atomic_fetch_xor(int i, atomic_t *v) +{ + return arch_atomic_fetch_xor(i, v); +} + +static __always_inline s64 atomic64_fetch_xor(s64 i, atomic64_t *v) +{ + return arch_atomic64_fetch_xor(i, v); +} + +static __always_inline bool atomic_sub_and_test(int i, atomic_t *v) +{ + return arch_atomic_sub_and_test(i, v); +} + +static __always_inline bool atomic64_sub_and_test(s64 i, atomic64_t *v) +{ + return arch_atomic64_sub_and_test(i, v); +} + +static __always_inline bool atomic_add_negative(int i, atomic_t *v) +{ + return arch_atomic_add_negative(i, v); +} + +static __always_inline bool atomic64_add_negative(s64 i, atomic64_t *v) +{ + return arch_atomic64_add_negative(i, v); +} + +#define cmpxchg(ptr, old, new) \ +({ \ + arch_cmpxchg((ptr), (old), (new)); \ +}) + +#define sync_cmpxchg(ptr, old, new) \ +({ \ + arch_sync_cmpxchg((ptr), (old), (new)); \ +}) + +#define cmpxchg_local(ptr, old, new) \ +({ \ + arch_cmpxchg_local((ptr), (old), (new)); \ +}) + +#define cmpxchg64(ptr, old, new) \ +({ \ + arch_cmpxchg64((ptr), (old), (new)); \ +}) + +#define cmpxchg64_local(ptr, old, new) \ +({ \ + arch_cmpxchg64_local((ptr), (old), (new)); \ +}) + +#define cmpxchg_double(p1, p2, o1, o2, n1, n2) \ +({ \ + arch_cmpxchg_double((p1), (p2), (o1), (o2), (n1), (n2)); \ +}) + +#define cmpxchg_double_local(p1, p2, o1, o2, n1, n2) \ +({ \ + arch_cmpxchg_double_local((p1), (p2), (o1), (o2), (n1), (n2)); \ +}) + +#endif /* _LINUX_ATOMIC_INSTRUMENTED_H */
