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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-10-23 13:47:01 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-11-13 14:08:23 -0800
commitf0a0e6f282c72247e7c8ec17c68d528c1bb4d49e (patch)
tree22b66fc8ac9b95586866ddb447dcc8712d441c14 /Documentation/RCU/whatisRCU.txt
parent67afeed2cab0e59712b4ebf1aef9a2e555a188ce (diff)
downloadlinux-linaro-stable-f0a0e6f282c72247e7c8ec17c68d528c1bb4d49e.tar.gz
rcu: Clarify memory-ordering properties of grace-period primitives
This commit explicitly states the memory-ordering properties of the RCU grace-period primitives. Although these properties were in some sense implied by the fundmental property of RCU ("a grace period must wait for all pre-existing RCU read-side critical sections to complete"), stating it explicitly will be a great labor-saving device. Reported-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Oleg Nesterov <oleg@redhat.com>
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