From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756418AbZFCGeZ (ORCPT ); Wed, 3 Jun 2009 02:34:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754035AbZFCGeD (ORCPT ); Wed, 3 Jun 2009 02:34:03 -0400 Received: from claw.goop.org ([74.207.240.146]:50668 "EHLO claw.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756265AbZFCGeB (ORCPT ); Wed, 3 Jun 2009 02:34:01 -0400 Message-ID: <4A261957.3040103@goop.org> Date: Wed, 03 Jun 2009 16:33:59 +1000 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: Thomas Gleixner CC: Ingo Molnar , the arch/x86 maintainers , Linux Kernel Mailing List , Xen-devel , Ian Campbell , Jeremy Fitzhardinge Subject: Re: [PATCH 06/16] xen: disable PAT References: <1242163718-2934-1-git-send-email-jeremy@goop.org> <1242163718-2934-7-git-send-email-jeremy@goop.org> In-Reply-To: X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thomas Gleixner wrote: > On Tue, 12 May 2009, Jeremy Fitzhardinge wrote: > > >> From: Ian Campbell >> >> 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. > Stomp the PAT feature flag? Yes, that's a better idea. Thanks, J