arch: Mass conversion of smp_mb__*()

Mostly scripted conversion of the smp_mb__* barriers.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-55dhyhocezdw1dg7u19hmh1u@git.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/net/rds/send.c b/net/rds/send.c
index a82fb66..2371816 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -107,7 +107,7 @@
 static void release_in_xmit(struct rds_connection *conn)
 {
 	clear_bit(RDS_IN_XMIT, &conn->c_flags);
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 	/*
 	 * We don't use wait_on_bit()/wake_up_bit() because our waking is in a
 	 * hot path and finding waiters is very rare.  We don't want to walk
@@ -661,7 +661,7 @@
 
 	/* order flag updates with spin locks */
 	if (!list_empty(&list))
-		smp_mb__after_clear_bit();
+		smp_mb__after_atomic();
 
 	spin_unlock_irqrestore(&conn->c_lock, flags);
 
@@ -691,7 +691,7 @@
 	}
 
 	/* order flag updates with the rs lock */
-	smp_mb__after_clear_bit();
+	smp_mb__after_atomic();
 
 	spin_unlock_irqrestore(&rs->rs_lock, flags);