diff options
| -rw-r--r-- | include/asm-i386/system.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h index d6b04c0fed09..9bdecec2a229 100644 --- a/include/asm-i386/system.h +++ b/include/asm-i386/system.h @@ -296,13 +296,14 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #define smp_mb() mb() #define smp_rmb() rmb() #define smp_wmb() wmb() +#define set_mb(var, value) do { xchg(&var, value); } while (0) #else #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() +#define set_mb(var, value) do { var = value; barrier(); } while (0) #endif -#define set_mb(var, value) do { xchg(&var, value); } while (0) #define set_wmb(var, value) do { var = value; wmb(); } while (0) /* interrupt control.. */ |