From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 19 Jul 2012 17:59:38 +0000 (-0400)
Subject: x86: mce: Serialize mce injection
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~85^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b5975917a3e5f93b5d1c95561aab0aa44327baea;p=pandora-kernel.git

x86: mce: Serialize mce injection

raise_mce() fiddles with global state, but lacks any kind of
serialization.

Add a mutex around the raise_mce() call, so concurrent writers do not
stomp on each other toes.

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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