Re: [PATCH net] virtio_net: Avoid sending unnecessary vq coalescing commands

[Jason Wang <jasowang@xxxxxxxxxx>]

On Mon, Jul 29, 2024 at 8:48 PM Heng Qi <hengqi@xxxxxxxxxxxxxxxxx> wrote:
>
> From the virtio spec:
>
>         The driver MUST have negotiated the VIRTIO_NET_F_VQ_NOTF_COAL
>         feature when issuing commands VIRTIO_NET_CTRL_NOTF_COAL_VQ_SET
>         and VIRTIO_NET_CTRL_NOTF_COAL_VQ_GET.
>
> The driver must not send vq notification coalescing commands if
> VIRTIO_NET_F_VQ_NOTF_COAL is not negotiated. This limitation of course
> applies to vq resize.
>
> Fixes: f61fe5f081cf ("virtio-net: fix the vq coalescing setting for vq resize")
> Signed-off-by: Heng Qi <hengqi@xxxxxxxxxxxxxxxxx>
> ---

Acked-by: Jason Wang <jasowang@xxxxxxxxxx>

Thanks