From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753884Ab2DWQ1G (ORCPT ); Mon, 23 Apr 2012 12:27:06 -0400 Received: from terminus.zytor.com ([198.137.202.10]:54514 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753591Ab2DWQ1D (ORCPT ); Mon, 23 Apr 2012 12:27:03 -0400 Message-ID: <4F9582C2.6020009@zytor.com> Date: Mon, 23 Apr 2012 09:26:42 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120329 Thunderbird/11.0.1 MIME-Version: 1.0 To: "Liu, Jinsong" CC: "Luck, Tony" , Borislav Petkov , Konrad Rzeszutek Wilk , "x86@kernel.org" , "linux-edac@vger.kernel.org" , "xen-devel@lists.xensource.com" , "linux-kernel@vger.kernel.org" , Ingo Molnar , Thomas Gleixner Subject: Re: [Xen-devel] [PATCH 1/3] Add mcelog support for xen platform References: <20120421041454.GA29704@phenom.dumpdata.com> <20120421104502.GB17005@aftab.osrc.amd.com> <3908561D78D1C84285E8C5FCA982C28F170EF841@ORSMSX104.amr.corp.intel.com> In-Reply-To: X-Enigmail-Version: 1.4 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 On 04/23/2012 08:43 AM, Liu, Jinsong wrote: > > and, hypervisor only record error into its mc_info cookie (in its > own format), it doesn't care what's dom0's version and how dom0 translate it > -- that's dom0's business. The role of hypervisor is virtual 'platform', > just like h/w platform don't care what linux version runs over it. > And this is the *OTHER* problem with Xen. A platform is only a platform if it is documented. There are a number of PV hypervisors which *are* documented in detail, but Xen is not one of them. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.