On Fri, 2011-04-29 at 15:13 +0800, Asias He wrote: > On 04/29/2011 02:52 PM, Pekka Enberg wrote: > > Please make that IRQ latency fix a separate patch. Don't we need to do > > it for TX path as well, btw? > > > > No. We only need it in RX path. Sasha's threadpool patch breaks this. > I'm just moving it back. > I've moved the kvm__irq_line() call out because what would happen sometimes is the following: - Call kvm__irq_line() to signal completion. - virt_queue__available() would return true. - readv() call blocks. I figured it happens because we catch virt_queue in while it's being updated by the guest and use an erroneous state of it. -- Sasha. -- 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
