You are right. After enabling MSI-x for the virtio block device I now only see VIRTIO_PCI_QUEUE_NOTIFY writes and there aren't any VIRTIO_PCI_ISR reads anymore. Thanks, Saul On Sun, Nov 1, 2009 at 11:23 AM, Avi Kivity <avi@xxxxxxxxxx> wrote: > On 10/29/2009 05:47 PM, Saul Tamari wrote: >> >> Hi, >> >> The current qemu-kvm from the git indeed adds the MSI-x capability to >> the virtio block device. >> With MSI-x enabled on the virtio block device, there aren't >> VIRTIO_PCI_ISR reads on the unused device. >> > > There shouldn't be VIRTIO_PCI_ISR reads on any device, not just the unused > ones, if all are MSI-X capable. > > -- > error compiling committee.c: too many arguments to function > > -- 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
