From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [Qemu-devel] cpuid problem in upstream qemu with kvm Date: Thu, 07 Jan 2010 13:59:21 +0200 Message-ID: <4B45CC99.5070907@redhat.com> References: <4B30EFDF.4060202@codemonkey.ws> <4B31F1BA.10005@redhat.com> <4B43D4E2.9050102@codemonkey.ws> <4B4402B1.1030605@redhat.com> <4B448F36.8030605@codemonkey.ws> <4B449467.4070606@redhat.com> <4B4494FC.1080907@codemonkey.ws> <4B449608.7040102@redhat.com> <4B4496E9.2030201@redhat.com> <20100106142231.GF2248@redhat.com> <4B449EE7.4050401@redhat.com> <4B44A2C6.4050504@redhat.com> <4B44A965.9040300@codemonkey.ws> <4B459550.6000202@redhat.com> <4B4598BC.4000206@redhat.com> <4B45A536.1070300@redhat.com> <4B45A851.5000401@redhat.com> <4B45AC18.8040003@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm-devel , Gleb Natapov , "Michael S. Tsirkin" , John Cooper , Alexander Graf , qemu-devel@nongnu.org To: dlaor@redhat.com Return-path: Received: from mx1.redhat.com ([209.132.183.28]:25917 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752011Ab0AGL7a (ORCPT ); Thu, 7 Jan 2010 06:59:30 -0500 In-Reply-To: <4B45AC18.8040003@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 01/07/2010 11:40 AM, Dor Laor wrote: >> There's no such thing as Nehalem. > > > Intel were ok with it. Again, you can name is corei7 or > xeon34234234234, I don't care, the principle remains the same. > There are several processors belonging to the Nehalem family and each have different features. > > What's not simple about the above 4 options? If a qemu/kvm/processor combo doesn't support a feature (say, nx) we have to remove it from the migration pool even if the Nehalem processor class says it's included. Or else not admit that combination into the migration pool in the first place. > What's a better alternative (that insures users understand it and use > it and guest msi and even skype application is happy about it)? > Have management scan new nodes and classify them. -- error compiling committee.c: too many arguments to function