linux-kernel - Re: [RFC PATCH 00/21 v2] amd64

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Date:	Thu, 30 Apr 2009 14:21:01 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Borislav Petkov <borislav.petkov@....com>
Cc:	Andi Kleen <andi@...stfloor.org>, akpm@...ux-foundation.org,
	greg@...ah.com, tglx@...utronix.de, hpa@...or.com,
	dougthompson@...ssion.com, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 00/21 v2] amd64_edac: EDAC module for AMD64


* Borislav Petkov <borislav.petkov@....com> wrote:

> > -Andi (who thinks all of this decoding should be in user space 
> > anyways)
> 
> Think of a big data center with a thousands of 2,4,8 socket blades 
> and the admin collecting mce output and running around decoding 
> the errors on his workstation. Even worse, the blades have 
> different DIMM configurations due to hw upgrades/newer machines. 
> I'd much rather have the complete decoding done in kernel, where 
> all the information needed for proper decoding is present and with 
> the error landing in syslog or some other monitored buffer instead 
> of reconstructing it in userspace.

Yes, this aspect of the design is correct. The MCE code is seriously 
mis-designed that way, lets not repeat it for EDAC :)

	Ingo
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