netdev - Re: [PATCH] Do not name control queue for virtio-net

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Date:   Thu, 22 Sep 2022 05:17:03 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Paolo Abeni <pabeni@...hat.com>
Cc:     Junbo <junbo4242@...il.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org,
        John Fastabend <john.fastabend@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        virtualization@...ts.linux-foundation.org,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>, bpf@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Do not name control queue for virtio-net

On Thu, Sep 22, 2022 at 11:10:37AM +0200, Paolo Abeni wrote:
> On Sun, 2022-09-18 at 08:17 -0400, Michael S. Tsirkin wrote:
> > On Sun, Sep 18, 2022 at 05:00:20PM +0800, Junbo wrote:
> > > hi Michael
> > > 
> > > in virtio-net.c
> > >     /* Parameters for control virtqueue, if any */
> > >     if (vi->has_cvq) {
> > >         callbacks[total_vqs - 1] = NULL;
> > >         names[total_vqs - 1] = "control";
> > >     }
> > > 
> > > I think the Author who write the code
> > 
> > wait, that was not you?
> 
> I believe 'the Author' refers to the author of the current code, not to
> the author of the patch.

Oh I see. Responded.

> @Junbo: the control queue is created only if the VIRTIO_NET_F_CTRL_VQ
> feature is set, please check that in your setup.
> 
> Thanks
> 
> Paolo


-- 
MST