On Sun, Apr 18, 2021 at 11:54 AM Peter Maydell <peter.mayd...@linaro.org> wrote: > > On Thu, 15 Apr 2021 at 16:46, Vitaly Kuznetsov <vkuzn...@redhat.com> wrote: > > When a migration blocker is added nothing is reported to the user, > > inability to migrate such guest may come as a late surprise. As a bare > > minimum, we can print a warning. To not pollute the output for those, who > > have no intention to migrate their guests, introduce '--no-migration' > > option which both block the migration and eliminates warning from > > I'm not a fan. For a lot of people and configurations this > is going to be "add an extra complaint from QEMU to a previously > working configuration". We add too many of those already.
I agree that warning with machine types that never supported live migration would be useless noise, but warning if using an explicit versioned machine type sounds like a reasonable default (as long as the warnings includes clear instructions on how to silence them). -- Eduardo