Messages in this thread | | | Date | Sat, 20 Dec 2014 14:16:55 +0100 | From | Paolo Bonzini <> | Subject | Re: [v3 13/26] KVM: Define a new interface kvm_find_dest_vcpu() for VT-d PI |
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On 20/12/2014 00:48, Wu, Feng wrote: > In my understanding, lowest priority interrupts are always delivered to a > Single CPU, we need to find the right destination CPU from the cpumask.
Yes, but which CPU however differs every time the interrupt is delivered. So the emulation here is a bit poor. For now, please limit PI to fixed interrupts.
> Actually, we don't support posting broadcast/multicast interrupts, because > the interrupt is associated with one Posted-interrupts descriptor, then one > vCPU.
Understood.
Paolo
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