diff options
Diffstat (limited to 'arch/ia64/include/asm/barrier.h')
| -rw-r--r-- | arch/ia64/include/asm/barrier.h | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/arch/ia64/include/asm/barrier.h b/arch/ia64/include/asm/barrier.h index a48957c7b445..f6769eb2bbf9 100644 --- a/arch/ia64/include/asm/barrier.h +++ b/arch/ia64/include/asm/barrier.h @@ -35,26 +35,25 @@ * it's (presumably) much slower than mf and (b) mf.a is supported for * sequential memory pages only. */ -#define mb() ia64_mf() -#define rmb() mb() -#define wmb() mb() -#define read_barrier_depends() do { } while(0) +#define mb() ia64_mf() +#define rmb() mb() +#define wmb() mb() + +#define dma_rmb() mb() +#define dma_wmb() mb() #ifdef CONFIG_SMP # define smp_mb() mb() -# define smp_rmb() rmb() -# define smp_wmb() wmb() -# define smp_read_barrier_depends() read_barrier_depends() - #else - # define smp_mb() barrier() -# define smp_rmb() barrier() -# define smp_wmb() barrier() -# define smp_read_barrier_depends() do { } while(0) - #endif +#define smp_rmb() smp_mb() +#define smp_wmb() smp_mb() + +#define read_barrier_depends() do { } while (0) +#define smp_read_barrier_depends() do { } while (0) + #define smp_mb__before_atomic() barrier() #define smp_mb__after_atomic() barrier() |