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documentation: Add acquire/release barriers to pairing rules
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 19 Jun 2014 17:01:23 +0000 (10:01 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tue, 8 Jul 2014 15:32:51 +0000 (08:32 -0700)
commit128ea442b12ba63614dccc9b54726cf753aa4758
tree96be6ecc9fadb84e0005ef1f2dc7cf4297105922tree | snapshot
parent5e40ad7f6a038cfa42e0605764366d994701eab7commit | diff
documentation: Add acquire/release barriers to pairing rules

It is possible to pair acquire and release barriers with other barriers,
so this commit adds them to the list in the SMP barrier pairing section.

Reported-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
[ paulmck: Updated pairing discussion as suggested by Peter Zijlstra. ]
Documentation/memory-barriers.txt diff | blob | history
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