From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Wed, 15 Jun 2011 22:47:09 +0000 (-0700)
Subject: rcu: use softirq instead of kthreads except when RCU_BOOST=y
X-Git-Tag: v3.0-rc4~12^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a46e0899eec7a3069bcadd45dfba7bf67c6ed016;p=pandora-kernel.git

rcu: use softirq instead of kthreads except when RCU_BOOST=y

This patch #ifdefs RCU kthreads out of the kernel unless RCU_BOOST=y,
thus eliminating context-switch overhead if RCU priority boosting has
not been configured.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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