Merge branch 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus...

[linux-2.6-omap-h63xx.git] / include / asm-powerpc / system.h

diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 8d37283db032153dfb53ab504c32cd3878e10828..29552ff182aa161204490d48bb26d9ec1e613e2e 100644 (file)
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -463,7 +463,7 @@ __cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new,
        return old;
 }
 
-#define cmpxchg(ptr,o,n)                                                \
+#define cmpxchg(ptr, o, n)                                              \
   ({                                                                    \
      __typeof__(*(ptr)) _o_ = (o);                                      \
      __typeof__(*(ptr)) _n_ = (n);                                      \
@@ -472,7 +472,7 @@ __cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new,
   })
 
 
-#define cmpxchg_local(ptr,o,n)                                          \
+#define cmpxchg_local(ptr, o, n)                                        \
   ({                                                                    \
      __typeof__(*(ptr)) _o_ = (o);                                      \
      __typeof__(*(ptr)) _n_ = (n);                                      \
@@ -492,6 +492,20 @@ __cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new,
  */
 #define NET_IP_ALIGN   0
 #define NET_SKB_PAD    L1_CACHE_BYTES
+
+#define cmpxchg64(ptr, o, n)                                           \
+  ({                                                                   \
+       BUILD_BUG_ON(sizeof(*(ptr)) != 8);                              \
+       cmpxchg((ptr), (o), (n));                                       \
+  })
+#define cmpxchg64_local(ptr, o, n)                                     \
+  ({                                                                   \
+       BUILD_BUG_ON(sizeof(*(ptr)) != 8);                              \
+       cmpxchg_local((ptr), (o), (n));                                 \
+  })
+#else
+#include <asm-generic/cmpxchg-local.h>
+#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
 #endif
 
 #define arch_align_stack(x) (x)