Messages in this thread | | | From | "Wu, Feng" <> | Subject | RE: [v3 13/26] KVM: Define a new interface kvm_find_dest_vcpu() for VT-d PI | Date | Mon, 22 Dec 2014 11:17:30 +0000 |
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> -----Original Message----- > From: Paolo Bonzini [mailto:pbonzini@redhat.com] > Sent: Monday, December 22, 2014 7:07 PM > To: Wu, Feng; Zhang, Yang Z; Thomas Gleixner; Ingo Molnar; H. Peter Anvin; > x86@kernel.org; Gleb Natapov; dwmw2@infradead.org; joro@8bytes.org; > Alex Williamson; Jiang Liu > Cc: iommu@lists.linux-foundation.org; linux-kernel@vger.kernel.org; KVM list; > Eric Auger > Subject: Re: [v3 13/26] KVM: Define a new interface kvm_find_dest_vcpu() for > VT-d PI > > > > On 22/12/2014 12:04, Wu, Feng wrote: > > > Can you support them only if the destination is a single CPU? > > > > Sorry, I am not quite understand this. I still don't understand the "single CPU" > here. > > Lowest priority interrupts always have a cpumask which contains multiple > CPU. > > Yes, and those need not be accelerated. But what if you set affinity to > a single CPU?
How do I set affinity to a single CPU if guest configure a lowest priority interrupt? Thanks a lot!
Thanks, Feng
> > Paolo
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