lkml.org 
[lkml]   [2014]   [Dec]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
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


\
 
 \ /
  Last update: 2014-12-20 15:01    [W:0.163 / U:1.156 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site