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

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Date:	Thu, 31 May 2012 15:50:09 +0200
From:	Borislav Petkov <bp@...64.org>
To:	"Liu, Jinsong" <jinsong.liu@...el.com>
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	"Luck, Tony" <tony.luck@...el.com>,
	"'xen-devel@...ts.xensource.com'" <xen-devel@...ts.xensource.com>,
	"'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] xen/mce: Add mcelog support for Xen platform

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@...romley.bj.intel.com>
> 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@...el.com>
> Signed-off-by: Jiang, Yunhong <yunhong.jiang@...el.com>
> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
> Signed-off-by: Liu, Jinsong <jinsong.liu@...el.com>
> ---
>  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@....com>

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
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