Documentation/memory-barriers.txt: ACCESS_ONCE() provides cache coherence
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 2 Jan 2014 23:03:50 +0000 (15:03 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Mon, 17 Feb 2014 22:56:06 +0000 (14:56 -0800)
commit449f7413c876a229fd95362cc12bc7ade18d0661
treedc34ff86a28876efa47e5232d32058a689b24d7f
parent6e67669678d2d51b2bcf0411aeb629b4353a9880
Documentation/memory-barriers.txt: ACCESS_ONCE() provides cache coherence

The ACCESS_ONCE() primitive provides cache coherence, but the
documentation does not clearly state this.  This commit therefore upgrades
the documentation.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Documentation/memory-barriers.txt