From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [Qemu-devel] Re: [PATCH 2/3] qemu: make cirrus init value pci spec compliant Date: Sun, 11 Oct 2009 22:41:11 +0200 Message-ID: <4AD242E7.1080705@redhat.com> References: <4AD1F173.8040401@redhat.com> <20091011161232.GA10132@redhat.com> <4AD206BE.3050904@redhat.com> <20091011163334.GA6248@redhat.com> <4AD209BD.5020300@redhat.com> <20091011163909.GA6261@redhat.com> <4AD20C62.9010809@redhat.com> <20091011171843.GA6297@redhat.com> <4AD2157F.5040301@redhat.com> <4AD215AD.7050308@redhat.com> <20091011181024.GA6411@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Gleb Natapov , Jamie Lokier , Anthony Liguori , "qemu-devel@nongnu.org" , kvm-devel To: "Michael S. Tsirkin" Return-path: Received: from mx1.redhat.com ([209.132.183.28]:55260 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751122AbZJKUlo (ORCPT ); Sun, 11 Oct 2009 16:41:44 -0400 In-Reply-To: <20091011181024.GA6411@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 10/11/2009 08:10 PM, Michael S. Tsirkin wrote: > > So this is what happens: > - after migration from old qemu to new old BIOS is used until reset > - after reset new BIOS is used > - after upgrade from old version of qemu upgrade does not have any > effect until qemu is restarted > > If this is a fair summary, the only issue with fixing BIOS bug > is migration from new qemu to old qemu, and we do not care much. > Yes. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.