linux-kernel - Re: [PATCH 1/3] mce: Add a msg string to the MCE tracepoint

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Message-ID: <20120301184544.GA3391@aftab>
Date:	Thu, 1 Mar 2012 19:45:44 +0100
From:	Borislav Petkov <bp@...64.org>
To:	"Luck, Tony" <tony.luck@...el.com>
Cc:	Mauro Carvalho Chehab <mchehab@...hat.com>,
	Borislav Petkov <bp@...64.org>, Ingo Molnar <mingo@...e.hu>,
	EDAC devel <linux-edac@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] mce: Add a msg string to the MCE tracepoint

On Thu, Mar 01, 2012 at 06:15:46PM +0000, Luck, Tony wrote:
> > On all the above, the socket label starts on 1, but I bet we'll find cases
> > where it start from 0.
> 
> Agreed. "Socket Designation" seems to be a free format string at the whim of
> the board designer (and then interpreted and string filled in by a BIOS writer
> with all the usual caveats that implies).
> 
> I suppose a smart reporting system would try to query this stuff ahead of
> time to determine whether socket numbers were zero based, one based, or something
> else altogether (Socket A, B, C ????)

Query from where? (And pls don't tell me DMI tables. :-))

I don't think there's a mapping between board designer nomenclature and
BIOS values for the node ID you get from apic IDs and etc CPUID leafs.

-- 
Regards/Gruss,
Boris.

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