Re: discuss about pvpanic

[Paolo Bonzini]

On 08/01/20 10:58, Michal Privoznik wrote:
>> the kernel-side patch certainly makes sense. I assume that you want the
>> event to propagate up from QEMU to Libvirt and so on? The QEMU patch
>> would need to declare a new event (qapi/misc.json) and send it in
>> handle_event (hw/misc/pvpanic.c). For Libvirt I'm not familiar, so I'm
>> adding the respective list.
> 
> Adding an event is fairly easy, if everything you want libvirt to do is
> report the event to upper layers. I volunteer to do it. Question is, how
> qemu is going to report this, whether some attributes to GUEST_PANICKED
> event or some new event.

I think it should be a new event, using GUEST_PANICKED could cause upper
layers to react by shutting down or rebooting the guest.

Thanks,

Paolo