From: Colin Cross <ccross@android.com>
Date: Wed, 15 Aug 2012 20:10:50 +0000 (+0200)
Subject: cpuidle: coupled: fix sleeping while atomic in cpu notifier
X-Git-Tag: v3.6-rc3~33^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63c6ba4352009a5f85b32307c001abeb5baebd28;p=pandora-kernel.git

cpuidle: coupled: fix sleeping while atomic in cpu notifier

The cpu hotplug notifier gets called in both atomic and non-atomic
contexts, it is not always safe to lock a mutex.  Filter out all events
except the six necessary ones, which are all sleepable, before taking
the mutex.

Signed-off-by: Colin Cross <ccross@android.com>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---

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