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documentation: Clarify control-dependency pairing
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tue, 17 Feb 2015 18:00:06 +0000 (10:00 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 26 Feb 2015 19:57:32 +0000 (11:57 -0800)
commitff382810590e7182a1482a225965d6943e61699c
treeae5066e255ea457d4c9d402d7f56666039484235tree
parentdaf1aab9acfaaded09f53fa91dfe6e4e6926ec39commit | diff
documentation: Clarify control-dependency pairing

This commit explicitly states that control dependencies pair normally
with other barriers, and gives an example of such pairing.

Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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