[libvirt PATCH 4/4] qemu: Enable migration events only for fresh QEMU process

[Peter Krempa]

On Thu, May 12, 2022 at 14:07:10 +0200, Jiri Denemark wrote:
> On Thu, May 12, 2022 at 13:32:38 +0200, Peter Krempa wrote:
> > On Thu, May 12, 2022 at 13:30:57 +0200, Jiri Denemark wrote:

[....]

> > > I guess the migration would just hang waiting for an event that never
> > > comes. But I guess it should be fairly easy to check whether events are
> > > enabled before starting a migration and report an error instead of
> > > hanging.
> > 
> > Leaving the VM in a hanging migration would be bad, but if we can just
> > refuse it I'd be okay with that.
> 
> Actually, doing so would not make any sense. We could just as easy
> enable the capability on reconnect if it's not enabled. Which is the
> alternative solution I described above in the Notes section :-)

I think I'm also starting to lean towards the fact that "This can't
happen" and simply ignore it ;) ... I'm not sure if I:

Reviewed-by: Peter Krempa <pkrempa at redhat.com>

It somewhere else in this thread.