> Shouldn't this be in migration_state? Just wondering. And yes, I
> don't see either a trivial place how to get it. get_current_migration()?
That's a better idea, I will put 'ft_enabled' in MigrationState Struct.
> I think for the outgoing side it should just be "migrate -f tcp:foo:9999".
> On the incoming side, perhaps you could have a different ID instead of
> QEMU_VM_FILE_MAGIC, that triggers fault-tolerance mode automatically?
I am OK with this solution, '-f' indicates fault-tolerance, right?
Have you decided yet?