diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/spinlock.h | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h index 33692eaabab5..e3ddd7db723f 100644 --- a/arch/x86/include/asm/spinlock.h +++ b/arch/x86/include/asm/spinlock.h | |||
| @@ -233,8 +233,4 @@ static inline void arch_write_unlock(arch_rwlock_t *rw) | |||
| 233 | #define arch_read_relax(lock) cpu_relax() | 233 | #define arch_read_relax(lock) cpu_relax() |
| 234 | #define arch_write_relax(lock) cpu_relax() | 234 | #define arch_write_relax(lock) cpu_relax() |
| 235 | 235 | ||
| 236 | /* The {read|write|spin}_lock() on x86 are full memory barriers. */ | ||
| 237 | static inline void smp_mb__after_lock(void) { } | ||
| 238 | #define ARCH_HAS_SMP_MB_AFTER_LOCK | ||
| 239 | |||
| 240 | #endif /* _ASM_X86_SPINLOCK_H */ | 236 | #endif /* _ASM_X86_SPINLOCK_H */ |