tree dc34ff86a28876efa47e5232d32058a689b24d7f
parent 6e67669678d2d51b2bcf0411aeb629b4353a9880
author Paul E. McKenney <paulmck@linux.vnet.ibm.com> 1388703830 -0800
committer Paul E. McKenney <paulmck@linux.vnet.ibm.com> 1392677766 -0800

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>