On Fri, 29 Nov 2019 at 12:26, Igor Mammedov <imamm...@redhat.com> wrote: > But from the my very limited understanding, on real hardware, > once device is uplugged it's gone (finalized) from machine > perspective, so it's unclear to my why someone would use > realize->unrealize->realize hotplug scenario.
Well, on real hardware 'unplug' is different from 'unrealize'. So I think for QEMU if we wanted to allow this sort of 'unplug and replug the same device' we should do it by: instance_init -> realize -> plug -> unplug -> plug -> unplug -> unrealize -> finalize So unrealize/finalize is when the device is actually destroyed, and if you're going to replug the device you don't destroy it on unplug. thanks -- PMM
