linux-kernel - Re: 2.6.25-rc1 xen pvops regression

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Message-ID: <20080220214217.GA28444@mail.oracle.com>
Date:	Wed, 20 Feb 2008 13:42:17 -0800
From:	Joel Becker <Joel.Becker@...cle.com>
To:	Ian Campbell <ijc@...lion.org.uk>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Jody Belka <lists-lkml@...b.org>, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Andi Kleen <andi@...stfloor.org>,
	Mika Penttila <mika.penttila@...umbus.fi>
Subject: Re: 2.6.25-rc1 xen pvops regression

On Wed, Feb 20, 2008 at 08:51:50AM +0000, Ian Campbell wrote:
> 
> On Tue, 2008-02-19 at 23:43 -0800, H. Peter Anvin wrote:
> > NAK!
> 
> As far as the actual change goes I was assuming that any machine that
> has DMI/SMBIOS would easily be new enough to have an E820 which could be
> expected to reserve this region. Looks like I was mistaken about how
> long E820 had been around and/or how reliably it is used to reserve the
> tables.
> 
> Anyway, will have to think of another solution.

	What changed to make this not work in the first place?  New dmi
code?

Joel

-- 

"The real reason GNU ls is 8-bit-clean is so that they can
 start using ISO-8859-1 option characters."
	- Christopher Davis (ckd@...osh.kei.com)

Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker@...cle.com
Phone: (650) 506-8127
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