tree aa2e9ffd6ba21164f2d891224552bed72ae4655a
parent ea22571c8fd912f28e2525f7112bbb84b474ff3a
author Thomas Gleixner <tglx@linutronix.de> 1342720778 -0400
committer Tony Luck <tony.luck@intel.com> 1344019556 -0700

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>