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-rw-r--r--arch/ia64/include/asm/barrier.h22
1 files changed, 9 insertions, 13 deletions
diff --git a/arch/ia64/include/asm/barrier.h b/arch/ia64/include/asm/barrier.h
index a48957c7b445..e8fffb03963c 100644
--- a/arch/ia64/include/asm/barrier.h
+++ b/arch/ia64/include/asm/barrier.h
@@ -35,26 +35,22 @@
35 * it's (presumably) much slower than mf and (b) mf.a is supported for 35 * it's (presumably) much slower than mf and (b) mf.a is supported for
36 * sequential memory pages only. 36 * sequential memory pages only.
37 */ 37 */
38#define mb() ia64_mf() 38#define mb() ia64_mf()
39#define rmb() mb() 39#define rmb() mb()
40#define wmb() mb() 40#define wmb() mb()
41#define read_barrier_depends() do { } while(0)
42 41
43#ifdef CONFIG_SMP 42#ifdef CONFIG_SMP
44# define smp_mb() mb() 43# define smp_mb() mb()
45# define smp_rmb() rmb()
46# define smp_wmb() wmb()
47# define smp_read_barrier_depends() read_barrier_depends()
48
49#else 44#else
50
51# define smp_mb() barrier() 45# define smp_mb() barrier()
52# define smp_rmb() barrier()
53# define smp_wmb() barrier()
54# define smp_read_barrier_depends() do { } while(0)
55
56#endif 46#endif
57 47
48#define smp_rmb() smp_mb()
49#define smp_wmb() smp_mb()
50
51#define read_barrier_depends() do { } while (0)
52#define smp_read_barrier_depends() do { } while (0)
53
58#define smp_mb__before_atomic() barrier() 54#define smp_mb__before_atomic() barrier()
59#define smp_mb__after_atomic() barrier() 55#define smp_mb__after_atomic() barrier()
60 56