From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Fri, 22 Jul 2011 11:41:54 +0000 (+0200)
Subject: perf, x86: Avoid kfree() in CPU_STARTING
X-Git-Tag: v3.2-rc1~163^2~71
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7fdba1ca10462f42ad2246b918fe6368f5ce488e;p=pandora-kernel.git

perf, x86: Avoid kfree() in CPU_STARTING

On -rt kfree() can schedule, but CPU_STARTING is before the CPU is
fully up and running. These are contradictory, so avoid it. Instead
push the kfree() to CPU_ONLINE where we're free to schedule.

Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-kwd4j6ayld5thrscvaxgjquv@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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