netdev - Re: [PATCH v4 net-next 0/9] Add tc-mqprio and tc-taprio support for preemptible traffic classes

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Message-ID: <20230403234339.h2eaomwqoawicaij@skbuf>
Date:   Tue, 4 Apr 2023 02:43:39 +0300
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, Claudiu Manoil <claudiu.manoil@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jiri Pirko <jiri@...nulli.us>,
        Vinicius Costa Gomes <vinicius.gomes@...el.com>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        Gerhard Engleder <gerhard@...leder-embedded.com>,
        Amritha Nambiar <amritha.nambiar@...el.com>,
        Ferenc Fejes <ferenc.fejes@...csson.com>,
        Xiaoliang Yang <xiaoliang.yang_1@....com>,
        Roger Quadros <rogerq@...nel.org>,
        Pranavi Somisetty <pranavi.somisetty@....com>,
        Harini Katakam <harini.katakam@....com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Michael Sit Wei Hong <michael.wei.hong.sit@...el.com>,
        Mohammad Athari Bin Ismail <mohammad.athari.ismail@...el.com>,
        Oleksij Rempel <linux@...pel-privat.de>,
        Jacob Keller <jacob.e.keller@...el.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 net-next 0/9] Add tc-mqprio and tc-taprio support for
 preemptible traffic classes

On Mon, Apr 03, 2023 at 02:32:29PM -0700, Jakub Kicinski wrote:
> On Mon, 3 Apr 2023 14:04:58 +0300 Vladimir Oltean wrote:
> > On another note, this patch set just got superseded in patchwork:
> > https://patchwork.kernel.org/project/netdevbpf/cover/20230403103440.2895683-1-vladimir.oltean@nxp.com/
> > after I submitted an iproute2 patch set with the same name:
> > https://patchwork.kernel.org/project/netdevbpf/cover/20230403105245.2902376-1-vladimir.oltean@nxp.com/
> > 
> > I think there's a namespacing problem in patchwork's series detection
> > algorithm ("net-next" is not "iproute2-next", and so, it is valid to
> > have both in flight) but I don't know where to look to fix that.
> > Jakub, could you perhaps help, please?
> 
> I revived the series. I'm a bit weary about asking Konstantin to make
> the pw-bot compare tree tags because people change trees all the time
> (especially no tree -> net-next / net) and he would have to filter out
> the version.. It's gonna get wobbly. Let's see if the problem gets more
> common.

Thanks. Was it supposed to change state? Because it's still "superseded".

Let's wait for a few more days before merging, anyway, just in case there
are any other comments from the more TSN-oriented folks. I'm still not
completely happy with the UAPI duplication in 2 qdiscs, and no indication
that the duplication would stop at 2. For example, if I understand tc-etf
correctly, it would be possible to see bands as traffic classes, and so,
talk about preemptible bands and end up adding UAPI for those too.