Re: [PATCH 1/2] xen/mce: Add mcelog support for Xen platform

From: Borislav Petkov
Date: Thu May 31 2012 - 09:49:38 EST


On Thu, May 31, 2012 at 12:57:44PM +0000, Liu, Jinsong wrote:
> From 1a7951d6ca01d7f2c9dd2bdb6de5f8e7fdcb8bbd Mon Sep 17 00:00:00 2001
> From: root <root@xxxxxxxxxxxxxxxxxxxxxx>
> Date: Fri, 1 Jun 2012 03:12:51 +0800
> Subject: [PATCH 1/2] xen/mce: Add mcelog support for Xen platform
>
> 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
>
> Signed-off-by: Ke, Liping <liping.ke@xxxxxxxxx>
> Signed-off-by: Jiang, Yunhong <yunhong.jiang@xxxxxxxxx>
> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
> Signed-off-by: Liu, Jinsong <jinsong.liu@xxxxxxxxx>
> ---
> arch/x86/include/asm/xen/hypercall.h | 8 +
> arch/x86/kernel/cpu/mcheck/mce.c | 4 +-
> arch/x86/xen/enlighten.c | 5 +-
> drivers/xen/Kconfig | 8 +
> drivers/xen/Makefile | 1 +
> drivers/xen/mcelog.c | 392 ++++++++++++++++++++++++++++++++++
> include/linux/miscdevice.h | 1 +
> include/xen/interface/xen-mca.h | 385 +++++++++++++++++++++++++++++++++
> 8 files changed, 798 insertions(+), 6 deletions(-)
> create mode 100644 drivers/xen/mcelog.c
> create mode 100644 include/xen/interface/xen-mca.h

For the mce bits:

Acked-and-tested-by: Borislav Petkov <borislav.petkov@xxxxxxx>

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