Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[pandora-kernel.git] / include / asm-generic / mutex-xchg.h

diff --git a/include/asm-generic/mutex-xchg.h b/include/asm-generic/mutex-xchg.h
index 7b9cd2c..580a6d3 100644 (file)
--- a/include/asm-generic/mutex-xchg.h
+++ b/include/asm-generic/mutex-xchg.h
@@ -27,8 +27,6 @@ __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
        if (unlikely(atomic_xchg(count, 0) != 1))
                fail_fn(count);
-       else
-               smp_mb();
 }
 
 /**
@@ -46,10 +44,7 @@ __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;
 }
 
 /**
@@ -67,7 +62,6 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 static inline void
 __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;
 }