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    SubjectRe: [net-next PATCH V2] virtio-net: switch to use XPS to choose txq
    Date
    "Michael S. Tsirkin" <mst@redhat.com> writes:
    > On Mon, Sep 30, 2013 at 03:37:17PM +0800, Jason Wang wrote:
    >> We used to use a percpu structure vq_index to record the cpu to queue
    >> mapping, this is suboptimal since it duplicates the work of XPS and
    >> loses all other XPS functionality such as allowing use to configure
    >> their own transmission steering strategy.
    >>
    >> So this patch switches to use XPS and suggest a default mapping when
    >> the number of cpus is equal to the number of queues. With XPS support,
    >> there's no need for keeping per-cpu vq_index and .ndo_select_queue(),
    >> so they were removed also.
    >>
    >> Cc: Rusty Russell <rusty@rustcorp.com.au>
    >> Cc: Michael S. Tsirkin <mst@redhat.com>
    >> Signed-off-by: Jason Wang <jasowang@redhat.com>
    >
    > Acked-by: Michael S. Tsirkin <mst@redhat.com>

    Acked-by: Rusty Russell <rusty@rustcorp.com.au>

    Dave, please apply.

    Cheers,
    Rusty.


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