netdev - Re: [PATCH bpf-next v5 0/4] xsk: Support UMEM chunk_size > PAGE

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Message-ID: <CAADnVQLxKJJZe4dmn5Rg76n=6UwM5aHbKeB6ke55aho5iGC+-g@mail.gmail.com>
Date:   Thu, 20 Apr 2023 16:41:19 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Kal Cutter Conley <kal.conley@...tris.com>
Cc:     Magnus Karlsson <magnus.karlsson@...il.com>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>, Tariq Toukan <tariqt@...dia.com>,
        Gal Pressman <gal@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: Re: [PATCH bpf-next v5 0/4] xsk: Support UMEM chunk_size > PAGE_SIZE

On Wed, Apr 12, 2023 at 11:47 AM Kal Cutter Conley
<kal.conley@...tris.com> wrote:
>
> > Thank you so much Kal for implementing this feature. After you have
> > fixed the three small things I had for patch #2, you have my ack for
> > the whole set below. Please add it.
> >
> > For the whole set:
> > Acked-by: Magnus Karlsson <magnus.karlsson@...el.com>
> >
> > It would be great if you have the time and desire to also take this to
> > zero-copy mode. I have had multiple AF_XDP users mailing me privately
> > that such a feature would be very useful for them. For some of them it
> > was even a requirement to be able to get down to the latencies they
> > were aiming for.
>
> Yes. We need this to work with zero-copy so next I will look into
> implementing this for the mlx5 driver since it has to work for us on
> Mellanox adapters.

My understanding is that the v6 version of this set is good to go.
Unfortunately it gained a merge conflict while sitting in patchwork.
Please respin with all acks.