Am Wed, 2 Jun 2021 14:03:40 +0200
schrieb Juergen Gross <jgross@suse.com>:

> Maybe XEN_DOMCTL_PFINFO_XALLOC should no longer be supported, i.e.
> a stream containing it should be rejected? This might be a
> worthwhile modification of patch 5.

If there is a desire to actively break incoming domUs from pre-4.6 hosts, this should probably be done in a separate change.

I have not checked if such migration works today with unmodified xen.git#staging.

Olaf