From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38668) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fQEtZ-0003jO-HY for qemu-devel@nongnu.org; Tue, 05 Jun 2018 12:33:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fQEtV-00008E-H6 for qemu-devel@nongnu.org; Tue, 05 Jun 2018 12:33:17 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37502) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fQEtV-00007i-9Q for qemu-devel@nongnu.org; Tue, 05 Jun 2018 12:33:13 -0400 Date: Tue, 5 Jun 2018 19:33:03 +0300 From: "Michael S. Tsirkin" Message-ID: <20180605193218-mutt-send-email-mst@kernel.org> References: <20180603092749.107476-1-marcel.apfelbaum@gmail.com> <20180604042928-mutt-send-email-mst@kernel.org> <23040757-b561-e0bf-a41d-38d3c44555ee@gmail.com> <20180605072746.v6xxabsbewiuw7ka@sirius.home.kraxel.org> <20180605084300.GF32286@redhat.com> <53c37321-52d2-732c-19fb-8f6a9542c714@gmail.com> <20180605132948.GH32286@redhat.com> <20180605191941-mutt-send-email-mst@kernel.org> <20180605162359.GV32286@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20180605162359.GV32286@redhat.com> Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH RFC] hw/pc: set q35 as the default x86 machine List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= Cc: Marcel Apfelbaum , Gerd Hoffmann , pbonzini@redhat.com, rth@twiddle.net, qemu-devel@nongnu.org, ehabkost@redhat.com On Tue, Jun 05, 2018 at 05:23:59PM +0100, Daniel P. Berrang=E9 wrote: > On Tue, Jun 05, 2018 at 07:20:24PM +0300, Michael S. Tsirkin wrote: > > On Tue, Jun 05, 2018 at 02:29:48PM +0100, Daniel P. Berrang=E9 wrote: > > > Existing domains wasn't the case I was concerned about. Consider yo= u have > > > libvirt 4.4.0 intsalled and you deploy a *new* domain from a prebui= lt > > > disk image "foo". > >=20 > > I see. How about q35 as default for new domains only? >=20 > There's no concept of "new" or "old" domains in libvirt. It just sees X= ML > and boots it and has no way of knowing if this is a brand new deploymen= t > never booted before or an old deployed booted for the 1000th time. >=20 > Regards, > Daniel Oh I mean when XML is created using e.g. virt-install > --=20 > |: https://berrange.com -o- https://www.flickr.com/photos/dberr= ange :| > |: https://libvirt.org -o- https://fstop138.berrange= .com :| > |: https://entangle-photo.org -o- https://www.instagram.com/dberr= ange :|