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 kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html