From: Paul E. McKenney <paul.mckenney@linaro.org>
Date: Wed, 25 May 2011 20:42:06 +0000 (-0700)
Subject: rcu: Start RCU kthreads in TASK_INTERRUPTIBLE state
X-Git-Tag: v3.0-rc1~24^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc3ce5176d83cd8ae1134f86e208ea758d6cb78e;p=pandora-kernel.git

rcu: Start RCU kthreads in TASK_INTERRUPTIBLE state

Upon creation, kthreads are in TASK_UNINTERRUPTIBLE state, which can
result in softlockup warnings.  Because some of RCU's kthreads can
legitimately be idle indefinitely, start them in TASK_INTERRUPTIBLE
state in order to avoid those warnings.

Suggested-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Tested-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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