On Tuesday 22 September 2009, Michael S. Tsirkin wrote: > > > More importantly, when virtualizations is used with multi-queue > > > NIC's the virtio-net NIC is a single CPU bottleneck. The virtio-net > > > NIC should preserve the parallelism (lock free) using multiple > > > receive/transmit queues. The number of queues should equal the > > > number of CPUs. > > > > Yup, multiqueue virtio is on todo list ;-) > > > > Note we'll need multiqueue tap for that to help. My idea for that was to open multiple file descriptors to the same macvtap device and let the kernel figure out the right thing to do with that. You can do the same with raw packed sockets in case of vhost_net, but I wouldn't want to add more complexity to the tun/tap driver for this. Arnd <>< -- 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
