From: Yan, Zheng <zheng.z.yan@intel.com>
Date: Tue, 16 Apr 2013 11:51:05 +0000 (+0800)
Subject: perf/x86: Avoid kfree() in CPU_{STARTING,DYING}
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~119^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22cc4ccf63e10e361531bf61e6e6c96c53a2f665;p=pandora-kernel.git

perf/x86: Avoid kfree() in CPU_{STARTING,DYING}

On -rt kfree() can schedule, but CPU_{STARTING,DYING} should be
atomic. So use a list to defer kfree until CPU_{ONLINE,DEAD}.

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: peterz@infradead.org
Cc: eranian@google.com
Cc: ak@linux.intel.com
Link: http://lkml.kernel.org/r/1366113067-3262-2-git-send-email-zheng.z.yan@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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