From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:35995) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TQHww-00030l-Ob for qemu-devel@nongnu.org; Mon, 22 Oct 2012 09:21:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TQHws-0002As-JN for qemu-devel@nongnu.org; Mon, 22 Oct 2012 09:21:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:14513) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TQHws-0002AR-B3 for qemu-devel@nongnu.org; Mon, 22 Oct 2012 09:21:42 -0400 Date: Mon, 22 Oct 2012 16:23:47 +0200 From: "Michael S. Tsirkin" Message-ID: <20121022142347.GC18658@redhat.com> References: <20121021124303.GA5096@redhat.com> <5084E088.9090602@redhat.com> <20121022100821.GB24424@redhat.com> <508521F3.3070008@redhat.com> <20121022131601.GC16851@redhat.com> <50854388.6060801@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <50854388.6060801@redhat.com> Subject: Re: [Qemu-devel] [PATCH v3 00/26] q35 qemu support List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Eric Blake Cc: aliguori@us.ibm.com, alex.williamson@redhat.com, jan.kiszka@siemens.com, Jason Baron , qemu-devel@nongnu.org, agraf@suse.de, blauwirbel@gmail.com, yamahata@valinux.co.jp, juzhang@redhat.com, kevin@koconnor.net, Gerd Hoffmann , mkletzan@redhat.com, pbonzini@redhat.com, lcapitulino@redhat.com, afaerber@suse.de, armbru@redhat.com, avi@redhat.com On Mon, Oct 22, 2012 at 07:00:56AM -0600, Eric Blake wrote: > On 10/22/2012 07:16 AM, Michael S. Tsirkin wrote: > > > I worry about need to maintain bug for bug compatibility on the > > unlikely chance that the work to complete it gets delayed and we release > > it in an unready state. > > > >> But in any case this needs > >> discussion with the libvirt folks to make sure it will actually work as > >> intended. /me tends to think a experimental bit in machine_info (which > >> is then printed by 'qemu -M ?' and the QOM-version of that) is more > >> useful than playing tricks with the name. > >> > >> cheers, > >> Gerd > > > > I agree it's best to ask libvirt folks what's the right way to hide > > a machine type from it. Add a flag so it's not listed in -M ? ? > > For qemu 1.3, libvirt will NOT be reading '-M ?', but instead calling > the 'query-machines' QMP command. If you want a machine to be avoided > by libvirt, then perhaps it is best to augment the MachineInfo QMP > datatype to add an optional field that says whether a particular machine > type is stable enough for libvirt's use. Or just hide this machine type from the query-machines command? > -- > Eric Blake eblake@redhat.com +1-919-301-3266 > Libvirt virtualization library http://libvirt.org >