linux-kernel - Re: [0/9] 2.6.31.12-stable review

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Date:	Sat, 16 Jan 2010 21:03:52 +0200
From:	Ozan Çağlayan <ozan@...dus.org.tr>
To:	Greg KH <gregkh@...e.de>
CC:	linux-kernel@...r.kernel.org, stable@...nel.org,
	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [0/9] 2.6.31.12-stable review

Greg KH wrote:
> This is the start of the stable review cycle for the 2.6.31.12 release.
> There are 9 patches in this series, all will be posted as a response to
> this one.  If anyone has any issues with these being applied, please let
> us know.  If anyone is a maintainer of the proper subsystem, and wants
> to add a Signed-off-by: line to the patch, please respond with it.
> 

Hi Greg,

1. There's this "mce: native_apic_write_dummy()" WARNING which causes governor failures on
some of systems.
http://bugzilla.kernel.org/show_bug.cgi?id=14521

Here's what I wrote in the last comment of the bug:

The following 2 commits from linux-2.6 fixes the issue on 2.6.31.11 on my
system. I think they should at least be sent to stable@...nel.org for 2.6.32.y
inclusion if they are the correct/complete fixes:

>From 485a2e1973fd9f98c2c6776e66ac4721882b69e0 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@...nvz.org>
Date: Mon, 14 Dec 2009 17:56:34 +0900
Subject: [PATCH] x86, mce: Thermal monitoring depends on APIC being enabled

>From 70fe440718d9f42bf963c2cffe12008eb5556165 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
Date: Mon, 14 Dec 2009 17:57:00 +0900
Subject: [PATCH] x86, mce: Clean up thermal init by introducing
intel_thermal_supported()



2. Boot hangs on old AMD Athlon XP Processors (not 64, not X2) with CONFIG_X86_CPU_DEBUG enabled kernels:
http://groups.google.com/group/linux.kernel/browse_thread/thread/34ca6dd8aeab02b3/0c0acb9d6437756f?lnk=raot&fwc=1

Reverting the following commit fixes the problem:

>From 5095f59bda6793a7b8f0856096d6893fe98e0e51 Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswin...@...nel.org>
Date: Fri, 5 Jun 2009 23:27:17 +0530
Subject: [PATCH] x86: cpu_debug: Remove model information to reduce encoding-decoding

Remove model information, encoding/decoding and reduce bookkeeping.

This, besides removing a lot of code and cleaning up the code, also
enables these features on many more CPUs that were enumerated before. 
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