- Update to 2.6.25-rc3.

[linux-flexiantxendom0-3.2.10.git] / include / asm-m68k / system.h

diff --git a/include/asm-m68k/system.h b/include/asm-m68k/system.h
index caa9b16..dbb6515 100644 (file)
--- 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)