From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH] introduce kvm64 CPU Date: Fri, 21 Aug 2009 18:41:49 +0300 Message-ID: <4A8EC03D.4000202@redhat.com> References: <1250804057-29681-1-git-send-email-andre.przywara@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: anthony@codemonkey.ws, qemu-devel@nongnu.org, kvm@vger.kernel.org, jamie@shareable.org To: Andre Przywara Return-path: Received: from mx1.redhat.com ([209.132.183.28]:35787 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932313AbZHUPle (ORCPT ); Fri, 21 Aug 2009 11:41:34 -0400 In-Reply-To: <1250804057-29681-1-git-send-email-andre.przywara@amd.com> Sender: kvm-owner@vger.kernel.org List-ID: On 08/21/2009 12:34 AM, Andre Przywara wrote: > In addition to the TCG based qemu64 type let's introduce a kvm64 CPU type, > which is the least common denominator of all KVM-capable x86-CPUs > (based on Intel Pentium 4 Prescott). It can be used as a base type > for migration. > Typically users will want more specialized greatest common denomiator cpu types; if a site has standardized on recent hardware they will want the features of that hardware exposed. I think this is best left to management software, which has more information about the migration pool. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain. From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MeWFE-0000tf-LK for qemu-devel@nongnu.org; Fri, 21 Aug 2009 11:41:36 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MeWF9-0000oJ-50 for qemu-devel@nongnu.org; Fri, 21 Aug 2009 11:41:35 -0400 Received: from [199.232.76.173] (port=53881 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MeWF8-0000o5-ES for qemu-devel@nongnu.org; Fri, 21 Aug 2009 11:41:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:61195) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MeWF7-0003qo-Uy for qemu-devel@nongnu.org; Fri, 21 Aug 2009 11:41:30 -0400 Message-ID: <4A8EC03D.4000202@redhat.com> Date: Fri, 21 Aug 2009 18:41:49 +0300 From: Avi Kivity MIME-Version: 1.0 References: <1250804057-29681-1-git-send-email-andre.przywara@amd.com> In-Reply-To: <1250804057-29681-1-git-send-email-andre.przywara@amd.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [PATCH] introduce kvm64 CPU List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Andre Przywara Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org On 08/21/2009 12:34 AM, Andre Przywara wrote: > In addition to the TCG based qemu64 type let's introduce a kvm64 CPU type, > which is the least common denominator of all KVM-capable x86-CPUs > (based on Intel Pentium 4 Prescott). It can be used as a base type > for migration. > Typically users will want more specialized greatest common denomiator cpu types; if a site has standardized on recent hardware they will want the features of that hardware exposed. I think this is best left to management software, which has more information about the migration pool. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.