Re: [libvirt] [Qemu-devel] [PATCH v6 1/3] qdev: DEVICE_DELETED event

"Michael S. Tsirkin" <mst(a)redhat.com&gt; writes: > On Thu, Mar 14, 2013 at 09:06:15AM +0100, Markus Armbruster wrote: >> "Michael S. Tsirkin" <mst(a)redhat.com&gt; writes: [...] >> > diff --git a/qapi-schema.json b/qapi-schema.json >> > index 28b070f..bb361e1 100644 >> > --- a/qapi-schema.json >> > +++ b/qapi-schema.json >> > @@ -2354,7 +2354,9 @@ >> > # Notes: When this command completes, the device may not be removed from the >> > # guest. Hot removal is an operation that requires guest cooperation. >> > # This command merely requests that the guest begin the hot removal >> > -# process. >> > +# process. Completion of the device removal process is signaled with a >> > +# DEVICE_DELETED event. Guest reset will automatically complete removal >> > +# for all devices. >> > # >> > # Since: 0.14.0 >> > ## >> >> What do you mean by "Guest reset will automatically complete removal for >> all devices"? > > Just this. Try this: rmmod acpiphp in guest, then: > > device_del > system_reset > > and see the device disappear even though it was not acked by guest. Cool, I didn't know that. Just to make sure: does this automatic removal completion send DEVICE_DELETED events?