From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757525Ab2E3S3h (ORCPT ); Wed, 30 May 2012 14:29:37 -0400 Received: from mail.skyhub.de ([78.46.96.112]:39255 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756246Ab2E3S3e (ORCPT ); Wed, 30 May 2012 14:29:34 -0400 Date: Wed, 30 May 2012 20:29:31 +0200 From: Borislav Petkov To: "H. Peter Anvin" Cc: 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 Message-ID: <20120530182930.GH15438@x1.osrc.amd.com> Mail-Followup-To: Borislav Petkov , "H. Peter Anvin" , 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 References: <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> <4FC6650C.5060604@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <4FC6650C.5060604@zytor.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 30, 2012 at 11:21:00AM -0700, H. Peter Anvin wrote: > This is for PV, not for HVM (VT-x/SVM). HVM doesn't have this kind of > drain bamage. Frankly, I wouldn't want to fix this for K8 only - they're going away anyway. And besides, this is a BIOS fix for a very small subset of very early K8s. It probably shouldnt've been there in the first place but at the time I did it I wanted to fix the whole world (I'm much more reasonable now :-)). IOW, I'd like to leave sleeping dogs lie if you don't mind. -- Regards/Gruss, Boris.