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(parent: ea22571) | patch
x86: mce: Serialize mce injection
authorThomas Gleixner <tglx@linutronix.de>
Thu, 19 Jul 2012 17:59:38 +0000 (13:59 -0400)
committerTony Luck <tony.luck@intel.com>
Fri, 3 Aug 2012 18:45:56 +0000 (11:45 -0700)
commitb5975917a3e5f93b5d1c95561aab0aa44327baea
treeaa2e9ffd6ba21164f2d891224552bed72ae4655atree | snapshot
parentea22571c8fd912f28e2525f7112bbb84b474ff3acommit | diff
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>
arch/x86/kernel/cpu/mcheck/mce-inject.c diff | blob | history
Domain: System / Uncategorized;