From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Mon, 29 Sep 2008 15:06:46 +0000 (-0400)
Subject: rcu: add rcu_read_lock_sched() / rcu_read_unlock_sched()
X-Git-Tag: v2.6.28-rc1~723^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c50b728c3e734150b8a4a8310ce3e01bc5c70be;p=pandora-kernel.git

rcu: add rcu_read_lock_sched() / rcu_read_unlock_sched()

Add rcu_read_lock_sched() and rcu_read_unlock_sched() to rcupdate.h to match the
recently added write-side call_rcu_sched() and rcu_barrier_sched(). They also
match the no-so-recently-added synchronize_sched().

It will help following matching use of the update/read lock primitives. Those
new read lock will replace preempt_disable()/enable() used in pair with
RCU-classic synchronization.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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