linux-kernel - Re: [PATCH] x86: Add an option to disable decoding of MCE

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Date:	Mon, 10 Jan 2011 14:55:12 -0800 (PST)
From:	"Randy Dunlap" <rdunlap@...otime.net>
To:	"Mike Waychison" <mikew@...gle.com>
Cc:	mingo@...e.hu, borislav.petkov@....com,
	linux-kernel@...r.kernel.org, linux-edac@...r.kernel.org,
	mikew@...gle.com
Subject: Re: [PATCH] x86: Add an option to disable decoding of MCE


On Mon, January 10, 2011 2:46 pm, Mike Waychison wrote:
> This patch applies to v2.6.37.
> ---
>
>
> On our systems, we do not want to have any "decoders" called on machine
> check events.  These decoders can easily spam our logs and cause space
> problems on machines that have a lot of correctable error events.  We _do_
> however want to get the messages delivered via /dev/mcelog for userland
> processing.
>
> Introduce an interface "dont_decode" that allows us to skip the
> decoders.  We always call the decoders by default.
>
> Google-Bug-Id: 3289142
> Signed-off-by: Mike Waychison <mikew@...gle.com>
> ---
> arch/x86/kernel/cpu/mcheck/mce.c |   24 ++++++++++++++++++------ 1 files
> changed, 18 insertions(+), 6 deletions(-)


Hi,

Please update Documentation/x86/x86_64/boot-options.txt
with this new option.

-- 
~Randy

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