linux-kernel - Re: [Bug #12417] glx performance drop with: "x86: PAT: implement track/untrack of pfnmap regions for x86

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Message-ID: <4975D566.2030105@fisher-privat.net>
Date:	Tue, 20 Jan 2009 14:45:10 +0100
From:	Alexey Fisher <bug-track@...her-privat.net>
To:	Ingo Molnar <mingo@...e.hu>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>
Subject: Re: [Bug #12417] glx performance drop with: "x86: PAT: implement
 track/untrack of pfnmap regions for x86 - v3"

Ingo Molnar schrieb:
> * Rafael J. Wysocki <rjw@...k.pl> wrote:
> 
>> This message has been generated automatically as a part of a report
>> of recent regressions.
>>
>> The following bug entry is on the current list of known regressions
>> from 2.6.28.  Please verify if it still should be listed and let me know
>> (either way).
>>
>>
>> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12417
>> Subject		: glx performance drop with: "x86: PAT: implement track/untrack of pfnmap regions for x86 - v3"
>> Submitter	: Alexey Fisher <bug-track@...her-privat.net>
>> Date		: 2009-01-06 18:46 (14 days old)
>> First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5899329b19100c0b82dc78e9b21ed8b920c9ffb3
>> References	: http://marc.info/?l=linux-kernel&m=123126782822696&w=4
>> Handled-By	: Pallipadi, Venkatesh <venkatesh.pallipadi@...el.com>
> 
> is it still broken with the current lineup of x86 fixes:
> 
>   git pull git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git x86-fixes-for-linus
> 
> ?
> 
> 	Ingo
> --

This patch solve the bug for my old system.
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