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

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Message-ID: <20080222192526.GF6060@ucw.cz>
Date:	Fri, 22 Feb 2008 20:25:26 +0100
From:	Pavel Machek <pavel@....cz>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Ian Campbell <ijc@...lion.org.uk>,
	"H. Peter Anvin" <hpa@...or.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Joel Becker <Joel.Becker@...cle.com>,
	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>,
	Mika Penttila <mika.penttila@...umbus.fi>
Subject: Re: 2.6.25-rc1 xen pvops regression

On Fri 2008-02-22 11:15:59, Andi Kleen wrote:
> Alan Cox wrote:
> >> Actually I switched 64bit over to trust e820 completely and not
> >> reserve 640k-1MB explicitly some time ago
> >> and AFAIK there hasn't been any reports that it causes problems.
> >>
> >> So presumably trusting e802 is ok on modern systems (2003+)
> > 
> > Apparently so - at least 64bit capable ones. 
> 
> They should all use the same BIOS code bases, except perhaps

At least kohjinsha subnotebook has very 'interesting' bios. Very new,
but geode -> not 64bit.

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