From: Mauro Carvalho Chehab <mchehab@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Ingo Molnar <mingo@elte.hu>,
Borislav Petkov <petkovbb@googlemail.com>,
mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org,
tglx@linutronix.de, Andreas Herrmann <andreas.herrmann3@amd.com>,
Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>,
linux-tip-commits@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Fr??d??ric Weisbecker <fweisbec@gmail.com>,
Aristeu Rozanski <aris@redhat.com>,
Doug Thompson <norsk5@yahoo.com>,
Huang Ying <ying.huang@intel.com>,
Arjan van de Ven <arjan@infradead.org>
Subject: Re: [tip:x86/mce] x86, mce: Rename cpu_specific_poll to mce_cpu_specific_poll
Date: Wed, 27 Jan 2010 13:04:55 -0200 [thread overview]
Message-ID: <4B605617.6050006@redhat.com> (raw)
In-Reply-To: <20100127143957.GE12522@basil.fritz.box>
Andi Kleen wrote:
> it only covers
> parts of the space (some subset of Nehalems with a specific uncore).
The changes for Xeon 55xx are minimal. I did some tests with the driver on it already.
> This does not include Xeon 75xx where all this is quite different.
I haven't the datasheets for 75xx, so I can't say for sure if it would be better to
use the same driver or to fork it.
>> I agree. The EDAC module handles memory errors for several memory controllers,
>> including some on non-x86 architectures. Letting this decode to happen outside
>> the kernel, just for a very few set of memory controllers, seems a bad idea.
>
> Again you can't do all the things mcelog does in kernel space only.
Well, the error parsing can be done in kernel space in a standard way provided
by the edac interface.
I don't see why not the mcelog userspace shouldn't use the EDAC interface as one
of its source, getting memory errors from it, avoiding the need of re-parsing
the errors.
Cheers,
Mauro.
next prev parent reply other threads:[~2010-01-27 15:06 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-21 22:17 [PATCH] x86: mce: Xeon75xx specific interface to get corrected memory error information Andi Kleen
2010-01-22 10:51 ` [tip:x86/mce] x86, " tip-bot for Andi Kleen
2010-01-22 10:51 ` [tip:x86/mce] x86, mce: Rename cpu_specific_poll to mce_cpu_specific_poll tip-bot for H. Peter Anvin
2010-01-23 5:17 ` Ingo Molnar
2010-01-23 7:58 ` Borislav Petkov
2010-01-23 9:00 ` Ingo Molnar
2010-01-24 10:08 ` Borislav Petkov
2010-01-25 13:19 ` Andi Kleen
2010-01-26 6:33 ` Borislav Petkov
2010-01-26 9:06 ` Hidetoshi Seto
2010-01-26 16:09 ` Andi Kleen
2010-01-26 15:36 ` Andi Kleen
2010-02-16 21:02 ` Ingo Molnar
2010-02-22 8:28 ` Borislav Petkov
2010-02-22 9:47 ` Ingo Molnar
2010-02-22 11:59 ` Mauro Carvalho Chehab
2010-02-24 17:42 ` Mauro Carvalho Chehab
2010-02-24 20:28 ` Andi Kleen
2010-01-27 12:34 ` Mauro Carvalho Chehab
2010-01-27 14:39 ` Andi Kleen
2010-01-27 15:04 ` Mauro Carvalho Chehab [this message]
2010-01-27 16:36 ` Andi Kleen
2010-01-23 11:33 ` Andi Kleen
2010-02-05 23:31 ` [tip:x86/mce] x86, mce: Make xeon75xx memory driver dependent on PCI tip-bot for Andi Kleen
2010-02-16 20:47 ` Ingo Molnar
2010-02-16 22:29 ` Andi Kleen
2010-02-19 10:50 ` Thomas Gleixner
2010-02-19 12:17 ` Andi Kleen
2010-02-19 12:45 ` Borislav Petkov
2010-02-19 13:21 ` Andi Kleen
2010-02-19 15:17 ` Mauro Carvalho Chehab
2010-02-19 15:37 ` Andi Kleen
2010-02-20 0:14 ` Mauro Carvalho Chehab
2010-02-20 9:01 ` Andi Kleen
2010-02-19 15:46 ` Thomas Gleixner
2010-02-22 7:38 ` Hidetoshi Seto
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