Am 18.06.2017 um 09:21 hat Xie Changlong geschrieben: > In device hot-remove scenario, if we don't probe acpiphp module on > the guest, 'device_del' will never emit DEVICE_DELETED event(because > guest will not write to __EJ0) . So we can confirm that hot-remove > failed. But IIUC, there is no event such as DEVICE_ADDED, so > 1) How can we confirm hotplug('device_add') successfully? > 2) It seems when hot-plug disk, we don't care acpiphp module status > on the guest, am I right? > 3) Why there is no DEVICE_ADDED like event?
device_add doesn't need guest cooperation, so it is immediately completed when the QMP command returns success. Kevin