From 7e8b1e78ea028cbd32337e2aea574a8466c796bb Mon Sep 17 00:00:00 2001
From: Richard Braun <rbraun@sceen.net>
Date: Thu, 13 Dec 2012 11:07:32 +0100
Subject: Documentation: Memory barrier semantics of atomic_xchg()

Add atomic_xchg() to documentation for atomic operations and
memory barriers.

Signed-off-by: Richard Braun <rbraun@sceen.net>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
---
 Documentation/memory-barriers.txt | 1 +
 1 file changed, 1 insertion(+)

(limited to 'Documentation/memory-barriers.txt')

diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt
index 3c4e1b3b80a1..fa5d8a9ae205 100644
--- a/Documentation/memory-barriers.txt
+++ b/Documentation/memory-barriers.txt
@@ -1685,6 +1685,7 @@ explicit lock operations, described later).  These include:
 
 	xchg();
 	cmpxchg();
+	atomic_xchg();
 	atomic_cmpxchg();
 	atomic_inc_return();
 	atomic_dec_return();
-- 
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