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Diffstat (limited to 'arch/xtensa/include/asm/barrier.h')
-rw-r--r--arch/xtensa/include/asm/barrier.h15
1 files changed, 1 insertions, 14 deletions
diff --git a/arch/xtensa/include/asm/barrier.h b/arch/xtensa/include/asm/barrier.h
index 8e5e5c980a7a..0a24b04d6b21 100644
--- a/arch/xtensa/include/asm/barrier.h
+++ b/arch/xtensa/include/asm/barrier.h
@@ -9,23 +9,10 @@
9#ifndef _XTENSA_SYSTEM_H 9#ifndef _XTENSA_SYSTEM_H
10#define _XTENSA_SYSTEM_H 10#define _XTENSA_SYSTEM_H
11 11
12#define smp_read_barrier_depends() do { } while(0)
13#define read_barrier_depends() do { } while(0)
14
15#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); }) 12#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
16#define rmb() barrier() 13#define rmb() barrier()
17#define wmb() mb() 14#define wmb() mb()
18 15
19#ifdef CONFIG_SMP 16#include <asm-generic/barrier.h>
20#define smp_mb() mb()
21#define smp_rmb() rmb()
22#define smp_wmb() wmb()
23#else
24#define smp_mb() barrier()
25#define smp_rmb() barrier()
26#define smp_wmb() barrier()
27#endif
28
29#define set_mb(var, value) do { var = value; mb(); } while (0)
30 17
31#endif /* _XTENSA_SYSTEM_H */ 18#endif /* _XTENSA_SYSTEM_H */