From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 19 Jul 2012 17:59:37 +0000 (-0400)
Subject: x86: mce: Disable preemption when calling raise_local()
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~85^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea22571c8fd912f28e2525f7112bbb84b474ff3a;p=pandora-kernel.git

x86: mce: Disable preemption when calling raise_local()

raise_mce() has a code path which does not disable preemption when the
raise_local() is called. The per cpu variable access in raise_local()
depends on preemption being disabled to be functional. So that code
path was either never tested or never tested with CONFIG_DEBUG_PREEMPT
enabled.

Add the missing preempt_disable/enable() pair around the call.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---

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