X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-h8300%2Fsystem.h;h=4b8e475908ae0c9eab94c5ac55cb7e2c36216000;hb=13c48c490208d9e70d8d66d56f96c5054db69af7;hp=2c1e83f7b4191568bcb1880cc5f423c7bdaa3773;hpb=41f81e88e01eb959f439f8537c58078e4bfc5291;p=linux-2.6

diff --git a/include/asm-h8300/system.h b/include/asm-h8300/system.h
index 2c1e83f7b4..4b8e475908 100644
--- a/include/asm-h8300/system.h
+++ b/include/asm-h8300/system.h
@@ -138,6 +138,21 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
         asm("jmp @@0");			\
 })
 
+#include <asm-generic/cmpxchg-local.h>
+
+/*
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
+ */
+#define cmpxchg_local(ptr, o, n)				  	       \
+	((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
+			(unsigned long)(n), sizeof(*(ptr))))
+#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
+
+#ifndef CONFIG_SMP
+#include <asm-generic/cmpxchg.h>
+#endif
+
 #define arch_align_stack(x) (x)
 
 #endif /* _H8300_SYSTEM_H */