From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Tue, 25 Sep 2012 15:50:49 +0000 (-0500)
Subject: call_rcu: use wfcqueue, eliminate false-sharing
X-Git-Tag: v0.8.0~202
X-Git-Url: http://git.lttng.org/?a=commitdiff_plain;h=5161f31e09ce33dd79afad8d08a2372fbf1c4fbe;hp=5161f31e09ce33dd79afad8d08a2372fbf1c4fbe;p=userspace-rcu.git

call_rcu: use wfcqueue, eliminate false-sharing

Eliminate false-sharing between call_rcu (enqueuer) and worker threads
on the queue head and tail.

Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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