X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Fasm-arm%2Fsystem.h;h=6335de9a2bb384b5f8b6f83fdd832402e123eb89;hb=48d7927bdf071d05cf5d15b816cf06b0937cb84f;hp=28425c473e71c72c7a959f6650fc6707a89d6b0e;hpb=c1f3ee120bb61045b1c0a3ead620d1d65af47130;p=linux-2.6-omap-h63xx.git

diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index 28425c473e7..6335de9a2bb 100644
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -363,6 +363,21 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
 extern void disable_hlt(void);
 extern void enable_hlt(void);
 
+#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
+
 #endif /* __ASSEMBLY__ */
 
 #define arch_align_stack(x) (x)