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authorRichard Braun <rbraun@sceen.net>2012-12-13 11:07:32 +0100
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2013-01-08 14:14:55 -0800
commit7e8b1e78ea028cbd32337e2aea574a8466c796bb (patch)
tree5d1f009d9292ad680b8a7a58930bb02139d377e3 /Documentation/memory-barriers.txt
parent52494535103986dbbf689b44d8c2c7efe2132b16 (diff)
downloadlinux-7e8b1e78ea028cbd32337e2aea574a8466c796bb.tar.gz
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>
Diffstat (limited to 'Documentation/memory-barriers.txt')
-rw-r--r--Documentation/memory-barriers.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt
index 3c4e1b3b80a..fa5d8a9ae20 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();