X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-sparc64%2Fatomic.h;h=2f0bec26a695df90ec4fee0c07935ec4a3c0f0de;hb=refs%2Fheads%2Fvserver;hp=25256bdc8aae3f9a64862f8b73cdf0dad0d7f840;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/include/asm-sparc64/atomic.h b/include/asm-sparc64/atomic.h
index 25256bdc8..2f0bec26a 100644
--- a/include/asm-sparc64/atomic.h
+++ b/include/asm-sparc64/atomic.h
@@ -8,7 +8,6 @@
 #ifndef __ARCH_SPARC64_ATOMIC__
 #define __ARCH_SPARC64_ATOMIC__
 
-#include <linux/config.h>
 #include <linux/types.h>
 
 typedef struct { volatile int counter; } atomic_t;
@@ -78,9 +77,15 @@ extern int atomic64_sub_ret(int, atomic64_t *);
 ({								\
 	int c, old;						\
 	c = atomic_read(v);					\
-	while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \
+	for (;;) {						\
+		if (unlikely(c == (u)))				\
+			break;					\
+		old = atomic_cmpxchg((v), c, c + (a));		\
+		if (likely(old == c))				\
+			break;					\
 		c = old;					\
-	c != (u);						\
+	}							\
+	likely(c != (u));					\
 })
 #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)