Re: [Qemu-block] [Question] How can we confirm hot-plug disk succesfully?

[Xie Changlong]

Resend

在 6/18/2017 3:21 PM, Xie Changlong 写道:
> Hi all
>
> 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?
>
> Any answer would be appreciated, thanks.

--
Thanks
    -Xie