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SubjectRe: [v3 13/26] KVM: Define a new interface kvm_find_dest_vcpu() for VT-d PI


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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