* Zhao, Yakui <yakui.z...@intel.com> wrote:

> > > > Does the hypervisor model the APIC EOI command, i.e. does it require the
> > > > APIC to be acked? I.e. would not acking the APIC create an IRQ storm?
> > > 
> > > The hypervisor requires that the APIC EOI should be acked. If the EOI APIC
> > > is not acked, the APIC ISR bit for the HYPERVISOR_CALLBACK_VECTOR will not
> > > be cleared and then it will block the interrupt whose vector is lower than
> > > HYPERVISOR_CALLBACK_VECTOR.
> > 
> > Ok!
> > 
> 
> I will add some comments for calling entering_ack_irq in
> acrn_hv_callback_handler. Is this ok to you?

Yeah, thanks!

        Ingo

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