On 09/11/2015 06:33 AM, Daniel P. Berrange wrote:
> Currently device_del requires that the client provide the
> device short ID. device_add allows devices may be created
> without giving an ID, at which point there is no way to
> delete them with device_del. The QOM object path, however,
> provides an alternative way to identify the devices.
> 
> Allowing device_del to accept an object path ensures all
> devices are deletable regardless of whether they have an
> ID.
> 
>  (qemu) device_add usb-mouse
>  (qemu) qom-list /machine/peripheral-anon
>  device[0] (child<usb-mouse>)
>  type (string)
>  (qemu) device_del /machine/peripheral-anon/device[0]
> 
> Devices are required to be marked as hotpluggable
> otherwise an error is raised
> 
>  (qemu) device_del /machine/unattached/device[4]
>  Device 'PIIX3' does not support hotplugging
> 
> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
> ---

Reviewed-by: Eric Blake <eblake@redhat.com>

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org