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Currently device_del requires that the client provide the device short ID. device_add allows devices to 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> Message-Id: <1441974836-17476-1-git-send-email-berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> [Commit message touched up, accidental white-space change dropped] Signed-off-by: Markus Armbruster <armbru@redhat.com>
Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org - QEMU team