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    SubjectRe: [PATCH net-next RFC 3/5] vhost: introduce vhost_add_used_idx()
    On Fri, Sep 22, 2017 at 04:02:33PM +0800, Jason Wang wrote:
    > This patch introduces a helper which just increase the used idx. This
    > will be used in pair with vhost_prefetch_desc_indices() by batching
    > code.
    >
    > Signed-off-by: Jason Wang <jasowang@redhat.com>
    > ---
    > drivers/vhost/vhost.c | 33 +++++++++++++++++++++++++++++++++
    > drivers/vhost/vhost.h | 1 +
    > 2 files changed, 34 insertions(+)

    Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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