linux-kernel - Re: [PATCH] i386: add command line option "local_apic_timer_c2

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Message-Id: <20070329215416.M85651@chilan.com>
Date:	Thu, 29 Mar 2007 23:55:19 +0200
From:	"Grzegorz Chwesewicz" <grzegorz.chwesewicz@...lan.com>
To:	"Grzegorz Chwesewicz" <grzegorz.chwesewicz@...lan.com>,
	Andi Kleen <ak@...e.de>,
	"Mark Langsdorf" <mark.langsdorf@....com>
Cc:	"Len Brown" <lenb@...nel.org>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Morrow, William" <William.Morrow@....com>,
	"Crouse, Jordan" <jordan.crouse@...mail.amd.com>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"Pavel Machek" <pavel@....cz>, "Ingo Molnar" <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Nick Piggin" <nickpiggin@...oo.com.au>,
	"Mingming Cao" <cmm@...ibm.com>, "Adrian Bunk" <bunk@...sta.de>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>,
	"Mariusz Kozlowski" <m.kozlowski@...land.pl>,
	"Oliver Pinter" <oliver.pntr@...il.com>,
	"Sid Boyce" <g3vbv@...eyonder.co.uk>,
	"Nick Piggin" <npiggin@...e.de>,
	"Jens Axboe" <jens.axboe@...cle.com>,
	"Thomas Renninger" <trenn@...e.de>
Subject: Re: [PATCH] i386: add command line option "local_apic_timer_c2_ok"

On Thu, 29 Mar 2007 23:43:28 +0200, Grzegorz Chwesewicz wrote
> On Thu, 29 Mar 2007 22:49:37 +0200, Andi Kleen wrote
> > > Reviewed but not tested.  Needs to be wrapped in an AMD specific
> > > call.
> > 
> > Here's a patch. I don't have a system with C1E, so i only tested that
> > the apic timer still works on a older AMD box.
> > 
> > Would be good if someone with a Turion laptop, especially the HP nx6325
> > could test it with CONFIG_NO_HZ enabled.
> 
> I have nx6325 with Turion.
> 
> ensima-hp linux-2.6 # cat .config|grep NO_HZ
> CONFIG_NO_HZ=y
> 
> After patching system works ok on battery and on AC.
> 
<cut>

Bootlogs on AC and battery can be found here:
http://bugzilla.kernel.org/show_bug.cgi?id=8235


--
Greetings - CeHo - Grzegorz Chwesewicz
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