X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-m68k%2Fsystem.h;h=dbb6515ffd5b21f3d4a9e1544d7f6544ea604742;hb=6d141c3ff6d74cc30cdbf26155842756ac16cf7f;hp=caa9b1663e452d509c9c2055335442ff44631edb;hpb=644b55ce889edd37d6406df26e2d96d7a7390749;p=linux-2.6-omap-h63xx.git

diff --git a/include/asm-m68k/system.h b/include/asm-m68k/system.h
index caa9b1663e4..dbb6515ffd5 100644
--- a/include/asm-m68k/system.h
+++ b/include/asm-m68k/system.h
@@ -154,6 +154,10 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
 }
 #endif
 
+#include <asm-generic/cmpxchg-local.h>
+
+#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
+
 /*
  * Atomic compare and exchange.  Compare OLD with MEM, if identical,
  * store NEW in MEM.  Return the initial value in MEM.  Success is
@@ -185,9 +189,26 @@ static inline unsigned long __cmpxchg(volatile void *p, unsigned long old,
 	return old;
 }
 
-#define cmpxchg(ptr,o,n)\
-	((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\
-					(unsigned long)(n),sizeof(*(ptr))))
+#define cmpxchg(ptr, o, n)						    \
+	((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o),	    \
+			(unsigned long)(n), sizeof(*(ptr))))
+#define cmpxchg_local(ptr, o, n)					    \
+	((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o),	    \
+			(unsigned long)(n), sizeof(*(ptr))))
+#else
+
+/*
+ * 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))))
+
+#ifndef CONFIG_SMP
+#include <asm-generic/cmpxchg.h>
+#endif
+
 #endif
 
 #define arch_align_stack(x) (x)