arm64: cmpxchg: implement cmpxchg64_relaxed

[~andy/linux] / arch / arm64 / include / asm / cmpxchg.h

diff --git a/arch/arm64/include/asm/cmpxchg.h b/arch/arm64/include/asm/cmpxchg.h
index 8a8ce0e73a38234968e4cde566455284af5887a6..3914c0dcd09cf0d9ed3ceff35f3b5716762acc5a 100644 (file)
--- a/arch/arm64/include/asm/cmpxchg.h
+++ b/arch/arm64/include/asm/cmpxchg.h
@@ -173,4 +173,6 @@ static inline unsigned long __cmpxchg_mb(volatile void *ptr, unsigned long old,
 #define cmpxchg64(ptr,o,n)             cmpxchg((ptr),(o),(n))
 #define cmpxchg64_local(ptr,o,n)       cmpxchg_local((ptr),(o),(n))
 
+#define cmpxchg64_relaxed(ptr,o,n)     cmpxchg_local((ptr),(o),(n))
+
 #endif /* __ASM_CMPXCHG_H */