netdev - Re: [PATCH bpf-next v3 07/15] i40e: separate kernel allocated rx_bi rings from AF

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Date:   Tue, 19 May 2020 19:06:26 +0200
From:   Björn Töpel <bjorn.topel@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Björn Töpel <bjorn.topel@...el.com>,
        kbuild test robot <lkp@...el.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        David Miller <davem@...emloft.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Netdev <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        "Karlsson, Magnus" <magnus.karlsson@...el.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        kbuild-all@...ts.01.org, Maxim Mikityanskiy <maximmi@...lanox.com>,
        "Fijalkowski, Maciej" <maciej.fijalkowski@...el.com>,
        intel-wired-lan <intel-wired-lan@...ts.osuosl.org>
Subject: Re: [PATCH bpf-next v3 07/15] i40e: separate kernel allocated rx_bi
 rings from AF_XDP rings

On Tue, 19 May 2020 at 18:55, Jakub Kicinski <kuba@...nel.org> wrote:
>
[...]
>
> While at it I also get this on patch 11 (gcc-10, W=1):
>
> drivers/net/ethernet/mellanox/mlx5/core/en_main.c: In function mlx5e_alloc_rq:
> drivers/net/ethernet/mellanox/mlx5/core/en_main.c:376:6: warning: variable num_xsk_frames set but not used [-Wunused-but-set-variable]
>    376 |  u32 num_xsk_frames = 0;
>        |      ^~~~~~~~~~~~~~

Ah, yes. Thanks!

I'll wait until tomorrow for more input, and then do a respin.


Björn