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-rw-r--r--arch/x86/include/asm/barrier.h8
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h
index 04a48903b2eb..69bbb4845020 100644
--- a/arch/x86/include/asm/barrier.h
+++ b/arch/x86/include/asm/barrier.h
@@ -85,11 +85,7 @@
85#else 85#else
86# define smp_rmb() barrier() 86# define smp_rmb() barrier()
87#endif 87#endif
88#ifdef CONFIG_X86_OOSTORE 88#define smp_wmb() barrier()
89# define smp_wmb() wmb()
90#else
91# define smp_wmb() barrier()
92#endif
93#define smp_read_barrier_depends() read_barrier_depends() 89#define smp_read_barrier_depends() read_barrier_depends()
94#define set_mb(var, value) do { (void)xchg(&var, value); } while (0) 90#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
95#else /* !SMP */ 91#else /* !SMP */
@@ -100,7 +96,7 @@
100#define set_mb(var, value) do { var = value; barrier(); } while (0) 96#define set_mb(var, value) do { var = value; barrier(); } while (0)
101#endif /* SMP */ 97#endif /* SMP */
102 98
103#if defined(CONFIG_X86_OOSTORE) || defined(CONFIG_X86_PPRO_FENCE) 99#if defined(CONFIG_X86_PPRO_FENCE)
104 100
105/* 101/*
106 * For either of these options x86 doesn't have a strong TSO memory 102 * For either of these options x86 doesn't have a strong TSO memory