From: Paul E. McKenney Date: Tue, 23 Oct 2012 20:47:01 +0000 (-0700) Subject: rcu: Clarify memory-ordering properties of grace-period primitives X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~79^2^2~4^3~1 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f0a0e6f282c72247e7c8ec17c68d528c1bb4d49e;p=pandora-kernel.git 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 Signed-off-by: Paul E. McKenney Reviewed-by: Oleg Nesterov --- Reading git-diff-tree failed