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Date: Tue, 5 Jun 2018 19:16:56 +0300
From: "Michael S. Tsirkin" <mst@redhat.com>
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Subject: Re: [Qemu-devel] libvirt default machine-type guarantees? (was Re:
 [PATCH RFC] hw/pc: set q35 as the default x86 machine)
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To: Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= <berrange@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, pbonzini@redhat.com, rth@twiddle.net, qemu-devel@nongnu.org, libvir-list@redhat.com

On Tue, Jun 05, 2018 at 02:12:32PM +0100, Daniel P. Berrang=E9 wrote:
> eg old OS versions that only work with PC, or more commonly pre-existin=
g
> cloud disk images that were built against PC can't be assumed to just
> work against q35, even if the OS in the image supports it.

I don't understand that part - when using libvirt domain xml records the
machine type used for the install, so it seems that installed images
won't be affected.

--=20
MST