Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757418Ab2E3SVe (ORCPT ); Wed, 30 May 2012 14:21:34 -0400 Received: from terminus.zytor.com ([198.137.202.10]:41368 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757401Ab2E3SVc (ORCPT ); Wed, 30 May 2012 14:21:32 -0400 Message-ID: <4FC6650C.5060604@zytor.com> Date: Wed, 30 May 2012 11:21:00 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 MIME-Version: 1.0 To: Borislav Petkov , Konrad Rzeszutek Wilk , Jacob Shin , Andre Przywara , jeremy@goop.org, xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org, Jan Beulich , mingo@elte.hu, tglx@linutronix.de Subject: Re: [Xen-devel] [PATCH] x86/amd: fix crash as Xen Dom0 on AMD Trinity systems References: <4FC62888.9010407@amd.com> <20120530144851.GA12184@jshin-Toonie> <20120530145005.GI3207@phenom.dumpdata.com> <20120530150334.GA13349@jshin-Toonie> <20120530171754.GA5115@phenom.dumpdata.com> <20120530173247.GC15635@x1.osrc.amd.com> <4FC65D34.1060803@zytor.com> <20120530175150.GE15438@x1.osrc.amd.com> <4FC66037.6020506@zytor.com> <20120530181722.GF15438@x1.osrc.amd.com> <20120530181950.GG15438@x1.osrc.amd.com> In-Reply-To: <20120530181950.GG15438@x1.osrc.amd.com> X-Enigmail-Version: 1.4.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 852 Lines: 20 On 05/30/2012 11:19 AM, Borislav Petkov wrote: > On Wed, May 30, 2012 at 08:17:23PM +0200, Borislav Petkov wrote: >> The other place where we use the amd_safe variants is an obscure K8, >> revC and earlier fix for _some_ BIOSen and this hasn't bitten us yet >> so I'm assuming people haven't run xen on such boxes yet. Does it need >> fixing? Probably, if we really really have to. > > I'm being told we're safe here. Those boxes didn't have virtualization > support yet (SVM) so this one doesn't need fixing. > This is for PV, not for HVM (VT-x/SVM). HVM doesn't have this kind of drain bamage. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/