X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fasm-m32r%2Fsystem.h;h=99ee09889ff78578ca1c913e1c75a1ce4b65f319;hb=d88e661fb9d28f1de799d524a8625b35eee94bbb;hp=9e618afec6ed7bd6480962dfa85abb2931c61e7a;hpb=9b4f2e9576658c4e52d95dc8d309f51b2e2db096;p=powerpc.git

diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 9e618afec6..99ee09889f 100644
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -328,15 +328,15 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 #define smp_rmb()	rmb()
 #define smp_wmb()	wmb()
 #define smp_read_barrier_depends()	read_barrier_depends()
+#define set_mb(var, value) do { (void) xchg(&var, value); } while (0)
 #else
 #define smp_mb()	barrier()
 #define smp_rmb()	barrier()
 #define smp_wmb()	barrier()
 #define smp_read_barrier_depends()	do { } while (0)
+#define set_mb(var, value) do { var = value; barrier(); } while (0)
 #endif
 
-#define set_mb(var, value) do { xchg(&var, value); } while (0)
-
 #define arch_align_stack(x) (x)
 
-#endif  /* _ASM_M32R_SYSTEM_H */
+#endif /* _ASM_M32R_SYSTEM_H */