Re: [libvirt] [PATCH RFC 0/8] qemu: allow disabling certain virtio revisions
On Mon, 2016-08-01 at 10:02 -0400, Laine Stump wrote:
2) To assure that the actual device presented to the guest
doesn't
change in the future when defaults are changed, we may want to autofill
"version" even when none is specified. (We would of course be stuck with
the unfortunate problem of what to do with existing configs)
I don't think we should worry too much about this: since we
lock on a versioned machine type on guest creation, and we can
assume the default virtio version will only change along with
a bump in machine type version[1], we'll always present the
same hardware to the guest.
[1] What would be the point in versioned machine types
otherwise? :)
--
Andrea Bolognani / Red Hat / Virtualization