]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - include/asm-h8300/system.h
Add cmpxchg_local to h8300
[linux-2.6-omap-h63xx.git] / include / asm-h8300 / system.h
index 2c1e83f7b4191568bcb1880cc5f423c7bdaa3773..4b8e475908ae0c9eab94c5ac55cb7e2c36216000 100644 (file)
@@ -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 */