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    SubjectRe: [PATCH 2/2] vhost_net: a kernel-level virtio server
    Michael S. Tsirkin wrote:
    >>
    >> We discussed this before, and I still think this could be directly derived
    >> from struct virtqueue, in the same way that vring_virtqueue is derived from
    >> struct virtqueue.
    >>
    >
    > I prefer keeping it simple. Much of abstraction in virtio is due to the
    > fact that it needs to work on top of different hardware emulations:
    > lguest,kvm, possibly others in the future. vhost is always working on
    > real hardware, using eventfd as the interface, so it does not need that.
    >

    Actually, vhost may not always be limited to real hardware.

    We may on day use vhost as the basis of a driver domain. There's quite
    a lot of interest in this for networking.

    At any rate, I'd like to see performance results before we consider
    trying to reuse virtio code.

    Regards,

    Anthony Liguori


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