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Message-ID: <5497FF38.3040503@redhat.com> Date: Mon, 22 Dec 2014 12:23:36 +0100 From: Paolo Bonzini <pbonzini@...hat.com> To: "Wu, Feng" <feng.wu@...el.com>, "Zhang, Yang Z" <yang.z.zhang@...el.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org>, "H. Peter Anvin" <hpa@...ux.intel.com>, "x86@...nel.org" <x86@...nel.org>, Gleb Natapov <gleb@...nel.org>, "dwmw2@...radead.org" <dwmw2@...radead.org>, "joro@...tes.org" <joro@...tes.org>, Alex Williamson <alex.williamson@...hat.com>, Jiang Liu <jiang.liu-VuQAYsv1563Yd54FQh9/CA@...lic.gmane.org> CC: "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, KVM list <kvm@...r.kernel.org>, Eric Auger <eric.auger@...aro.org> Subject: Re: [v3 13/26] KVM: Define a new interface kvm_find_dest_vcpu() for VT-d PI On 22/12/2014 12:17, Wu, Feng wrote: >> 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! I mean if the guest (via irqbalance and /proc/irq/) configures affinity to a single vCPU. In that case, you can use PI. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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