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-rw-r--r--include/asm-mips/cmpxchg.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/asm-mips/cmpxchg.h b/include/asm-mips/cmpxchg.h
index a5ec0e5dc5b8..4a812c3ceb90 100644
--- a/include/asm-mips/cmpxchg.h
+++ b/include/asm-mips/cmpxchg.h
@@ -104,4 +104,21 @@ extern void __cmpxchg_called_with_bad_pointer(void);
104#define cmpxchg(ptr, old, new) __cmpxchg(ptr, old, new, smp_llsc_mb()) 104#define cmpxchg(ptr, old, new) __cmpxchg(ptr, old, new, smp_llsc_mb())
105#define cmpxchg_local(ptr, old, new) __cmpxchg(ptr, old, new, ) 105#define cmpxchg_local(ptr, old, new) __cmpxchg(ptr, old, new, )
106 106
107#define cmpxchg64(ptr, o, n) \
108 ({ \
109 BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
110 cmpxchg((ptr), (o), (n)); \
111 })
112
113#ifdef CONFIG_64BIT
114#define cmpxchg64_local(ptr, o, n) \
115 ({ \
116 BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
117 cmpxchg_local((ptr), (o), (n)); \
118 })
119#else
120#include <asm-generic/cmpxchg-local.h>
121#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
122#endif
123
107#endif /* __ASM_CMPXCHG_H */ 124#endif /* __ASM_CMPXCHG_H */