* Anthony Liguori <anthony@xxxxxxxxxxxxx> wrote: > Ingo Molnar wrote: >>> I think the reason vbus gets better performance for networking today >>> is that vbus' backends are in the kernel while virtio's backends are >>> currently in userspace. Since Michael has a functioning in-kernel >>> backend for virtio-net now, I suspect we're weeks (maybe days) away >>> from performance results. My expectation is that vhost + virtio-net >>> will be as good as venet + vbus. If that's the case, then I don't >>> see any reason to adopt vbus unless Greg things there are other >>> compelling features over virtio. >>> >> >> Keeping virtio's backend in user-space was rather stupid IMHO. > > I don't think it's quite so clear. in such a narrow quote it's not so clear indeed - that's why i qualified it with: >> Having the _option_ to piggyback to user-space (for flexibility, >> extensibility, etc.) is OK, but not having kernel acceleration is >> bad. Ingo -- 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
