From: Tony Luck <tony.luck@intel.com>
Date: Tue, 13 Dec 2011 17:48:13 +0000 (-0800)
Subject: x86/mce: Create helper function to save addr/misc when needed
X-Git-Tag: v3.4-rc1~150^2~3^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=85f92694affa7dba7f1978666a69552b5dfc628e;p=pandora-kernel.git

x86/mce: Create helper function to save addr/misc when needed

The MCI_STATUS_MISCV and MCI_STATUS_ADDRV bits in the bank status
registers define whether the MISC and ADDR registers respectively
contain valid data - provide a helper function to check these bits
and read the registers when needed.

In addition, processors that support software error recovery (as
indicated by the MCG_SER_P bit in the MCG_CAP register) may include
some undefined bits in the ADDR register - mask these out.

Acked-by: Borislav Petkov <bp@amd64.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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