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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
| commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
| tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /arch/x86/include/asm/atomic64_64.h | |
| parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) | |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'arch/x86/include/asm/atomic64_64.h')
| -rw-r--r-- | arch/x86/include/asm/atomic64_64.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h index b965f9e03..50e33eff5 100644 --- a/arch/x86/include/asm/atomic64_64.h +++ b/arch/x86/include/asm/atomic64_64.h @@ -220,4 +220,19 @@ static inline long atomic64_dec_if_positive(atomic64_t *v) return dec; } +#define ATOMIC64_OP(op) \ +static inline void atomic64_##op(long i, atomic64_t *v) \ +{ \ + asm volatile(LOCK_PREFIX #op"q %1,%0" \ + : "+m" (v->counter) \ + : "er" (i) \ + : "memory"); \ +} + +ATOMIC64_OP(and) +ATOMIC64_OP(or) +ATOMIC64_OP(xor) + +#undef ATOMIC64_OP + #endif /* _ASM_X86_ATOMIC64_64_H */ |