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yaml --- r: 83889 b: refs/heads/master c: 176393d h: refs/heads/master i: 83887: bc918fb v: v3
git-mirror · Feb 7, 2008 · 1e87c3d · 1e87c3d
1 parent cfd3765
commit 1e87c3d
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Showing 2 changed files with 16 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 32f49eab5e893007c0064f465c857ac7c4d40b77
+refs/heads/master: 176393d4232a89aaf8745b0726f4d212a20103f1
diff --git a/trunk/include/asm-arm/system.h b/trunk/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)