On Wednesday 14 April 2010 22:40:03 Michael S. Tsirkin wrote: > On Wed, Apr 14, 2010 at 10:39:49PM +0200, Arnd Bergmann wrote: > > Well, if the guest not only wants to send data but also receive > > frames coming from other machines, they need to get from the kernel > > into qemu, and the only way I can see for doing that is to read > > from this device if there is no vhost support around on the new > > machine. > > > > Maybe we're talking about different things here. > > mpassthrough is currently useless without vhost. > If the new machine has no vhost, it can't use mpassthrough :) Ok. Is that a planned feature though? vhost is currently limited to guests with a virtio-net driver and even if you extend it to other guest emulations, it will probably always be a subset of the qemu supported drivers, but it may be useful to support zero-copy on other drivers as well. 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
