From: Richard Braun <rbraun@sceen.net>
Date: Thu, 13 Dec 2012 10:07:32 +0000 (+0100)
Subject: Documentation: Memory barrier semantics of atomic_xchg()
X-Git-Tag: v3.9-rc1~175^2~2^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7e8b1e78ea028cbd32337e2aea574a8466c796bb;p=pandora-kernel.git

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>
---

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