netdev - Re: [PATCH net-next v4] net: virtio_net: notifications coalescing support

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Date:   Tue, 19 Jul 2022 15:12:58 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Alvaro Karsz <alvaro.karsz@...id-run.com>
Cc:     netdev <netdev@...r.kernel.org>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next v4] net: virtio_net: notifications coalescing support

On Tue, Jul 19, 2022 at 3:09 PM Alvaro Karsz <alvaro.karsz@...id-run.com> wrote:
>
> Hi Jason,
>
> > This seems an independent fix? I wonder what if we just leave it as before.
>
>
> Before this patch, only ETHTOOL_COALESCE_MAX_FRAMES was supported, now
> we support ETHTOOL_COALESCE_USECS as well.
>
> ETHTOOL_COALESCE_USECS is meaningless if VIRTIO_NET_F_NOTF_COAL
> feature is not negotiated, so I added the mentioned part.

Yes but this "issue" exists before VIRTIO_NET_F_NOTF_COAL. It might be
better to have an independent patch to fix.

Thanks

>