Am 20.06.2019 um 19:37 hat Stefan Hajnoczi geschrieben: > v5: > * Plumbing vm change state handlers into DeviceClass/BusClass is a rather > large bug fix. Instead I've combined the previous priorities approach with > the observation from Kevin and Paolo that we really want to order by qdev > tree depth. > > The new qdev_add_vm_change_state_handler() API lets DeviceStates register > callbacks that execute in qdev tree depth order. This solves the > virtio-scsi bug since the virtio-scsi device's callback must complete > before > its child scsi-disk's callback runs. > > Is this a good compromise for everyone?
I'd still call it a hack, but I can also see that doing the real thing would be a lot of work that might not be worth the effort. Thanks, applied to the block branch. Kevin
