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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
HRB Nr. 43632 WEEE Registernr: 129 19551
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/