On Fri, Jul 18, 2025 at 4:53 PM Paolo Abeni <pab...@redhat.com> wrote: > > Extend the features configuration space to 128 bits, and allow the > common read/write operation to access all of it. > > On migration, save the 128 bit version of the features only if the > upper bits are non zero. Relay reset to clear all the feature > space before load. > > Signed-off-by: Paolo Abeni <pab...@redhat.com>
This is a guest noticeable behaviour change. I wonder if we need a command line option to enable and disable this feature for migration compatibility. Thanks