From: Tony Luck <tony.luck@intel.com>
Date: Wed, 14 Dec 2011 23:55:20 +0000 (-0800)
Subject: x86/mce: Add mechanism to safely save information in MCE handler
X-Git-Tag: v3.4-rc1~150^2~3^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=af104e394e17e328df85c25a9e21448539725b67;p=pandora-kernel.git

x86/mce: Add mechanism to safely save information in MCE handler

Machine checks on Intel cpus interrupt execution on all cpus, regardless
of interrupt masking.  We have a need to save some data about the cause
of the machine check (physical address) in the machine check handler that
can be retrieved later to attempt recovery in a more flexible execution
state.

Signed-off-by: Tony Luck <tony.luck@intel.com>
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