On Thursday 13 August 2009, Michael S. Tsirkin wrote: > > Right now, the number of copy operations in your code is the same. > > You are doing the copy a little bit later in skb_copy_datagram_iovec(), > > which is indeed a very nice hack. Changing to a virtqueue based method > > would imply that the host needs to add each skb_frag_t to its outbound > > virtqueue, which then gets copied into the guests inbound virtqueue. > > Which is a lot more code than just calling skb_copy_datagram_iovec. Well, I don't see this part as much of a problem, because the code already exists in virtio_net. If we really wanted to go down that road, just using virtio_net would solve the problem of frame handling entirely, but create new problems elsewhere, as we have mentioned. 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
