diff options
Diffstat (limited to 'arch/xtensa/include/asm/barrier.h')
| -rw-r--r-- | arch/xtensa/include/asm/barrier.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/xtensa/include/asm/barrier.h b/arch/xtensa/include/asm/barrier.h index d6f8d4ddc2bc..898ea397e9bc 100644 --- a/arch/xtensa/include/asm/barrier.h +++ b/arch/xtensa/include/asm/barrier.h @@ -11,9 +11,15 @@ #include <asm/core.h> -#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); }) -#define rmb() barrier() -#define wmb() mb() +#define __mb() ({ __asm__ __volatile__("memw" : : : "memory"); }) +#define __rmb() barrier() +#define __wmb() __mb() + +#ifdef CONFIG_SMP +#define __smp_mb() __mb() +#define __smp_rmb() __rmb() +#define __smp_wmb() __wmb() +#endif #if XCHAL_HAVE_S32C1I #define __smp_mb__before_atomic() barrier() |