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xen/mce: Add mcelog support for Xen platform

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When MCA error occurs, it would be handled by Xen hypervisor first,
and then the error information would be sent to initial domain for logging.

This patch gets error information from Xen hypervisor and convert
Xen format error into Linux format mcelog. This logic is basically
self-contained, not touching other kernel components.

By using tools like mcelog tool users could read specific error information,
like what they did under native Linux.

To test follow directions outlined in Documentation/acpi/apei/einj.txt

Acked-and-tested-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Ke, Liping <liping.ke@intel.com>
Signed-off-by: Jiang, Yunhong <yunhong.jiang@intel.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Liu, Jinsong 2012-06-07 19:56:51 +08:00 • committed by Konrad Rzeszutek Wilk
parent 485802a6c5
commit cef12ee52b
8 changed files with 798 additions and 6 deletions
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1
include/linux/miscdevice.h
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@ -35,6 +35,7 @@
#define MPT_MINOR 220
#define MPT2SAS_MINOR 221
#define UINPUT_MINOR 223
#define MISC_MCELOG_MINOR 227
#define HPET_MINOR 228
#define FUSE_MINOR 229
#define KVM_MINOR 232