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

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Message-ID: <20080222100034.1e78d661@core>
Date:	Fri, 22 Feb 2008 10:00:34 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	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

> 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. We do still sort the entries
to remove zero length records and other suprises.

Alan
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