X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-generic%2Fmutex-xchg.h;h=580a6d35c70078bd91bff6619860b5159b7130b2;hb=5579a782ad7ffa162b1060993e4a298dd50e7a33;hp=32a2100c1aebf112639ce9b05e59ca5c182603e0;hpb=cd5e25d93e6efeb93db7b6731b0a674495270621;p=linux-2.6-omap-h63xx.git

diff --git a/include/asm-generic/mutex-xchg.h b/include/asm-generic/mutex-xchg.h
index 32a2100c1ae..580a6d35c70 100644
--- a/include/asm-generic/mutex-xchg.h
+++ b/include/asm-generic/mutex-xchg.h
@@ -1,5 +1,5 @@
 /*
- * asm-generic/mutex-xchg.h
+ * include/asm-generic/mutex-xchg.h
  *
  * Generic implementation of the mutex fastpath, based on xchg().
  *
@@ -23,12 +23,10 @@
  * even when the "1" assertion wasn't true.
  */
 static inline void
-__mutex_fastpath_lock(atomic_t *count, fastcall void (*fail_fn)(atomic_t *))
+__mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
 	if (unlikely(atomic_xchg(count, 0) != 1))
 		fail_fn(count);
-	else
-		smp_mb();
 }
 
 /**
@@ -42,14 +40,11 @@ __mutex_fastpath_lock(atomic_t *count, fastcall void (*fail_fn)(atomic_t *))
  * or anything the slow path function returns
  */
 static inline int
-__mutex_fastpath_lock_retval(atomic_t *count, fastcall int (*fail_fn)(atomic_t *))
+__mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 {
 	if (unlikely(atomic_xchg(count, 0) != 1))
 		return fail_fn(count);
-	else {
-		smp_mb();
-		return 0;
-	}
+	return 0;
 }
 
 /**
@@ -65,9 +60,8 @@ __mutex_fastpath_lock_retval(atomic_t *count, fastcall int (*fail_fn)(atomic_t *
  * to return 0 otherwise.
  */
 static inline void
-__mutex_fastpath_unlock(atomic_t *count, fastcall void (*fail_fn)(atomic_t *))
+__mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
-	smp_mb();
 	if (unlikely(atomic_xchg(count, 1) != 0))
 		fail_fn(count);
 }
@@ -110,7 +104,6 @@ __mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *))
 		if (prev < 0)
 			prev = 0;
 	}
-	smp_mb();
 
 	return prev;
 }