linux-kernel - Re: [PATCH 06/16] xen: disable PAT

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Message-ID: <alpine.LFD.2.00.0906021736320.3419@localhost.localdomain>
Date:	Tue, 2 Jun 2009 17:37:44 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
cc:	Ingo Molnar <mingo@...e.hu>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Xen-devel <xen-devel@...ts.xensource.com>,
	Ian Campbell <ian.campbell@...rix.com>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
Subject: Re: [PATCH 06/16] xen: disable PAT

On Tue, 12 May 2009, Jeremy Fitzhardinge wrote:

> From: Ian Campbell <ian.campbell@...rix.com>
> 
> Xen imposes a particular PAT layout on all paravirtual guests which
> does not match the layout Linux would like to use.
> 
> Force PAT to be disabled until this is resolved.

No, this can be done via CPUID, which is paravirtualized already.
 
Thanks,

	tglx
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