netdev - Re: [PATCH v3 bpf-next 9/9] bpf, xdp: remove XDP_QUERY_PROG and XDP_QUERY_PROG

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Date:   Thu, 16 Jul 2020 08:22:59 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Andrii Nakryiko <andriin@...com>
Cc:     <bpf@...r.kernel.org>, <netdev@...r.kernel.org>, <ast@...com>,
        <daniel@...earbox.net>, <dsahern@...il.com>,
        <andrii.nakryiko@...il.com>, <kernel-team@...com>
Subject: Re: [PATCH v3 bpf-next 9/9] bpf, xdp: remove XDP_QUERY_PROG and
 XDP_QUERY_PROG_HW XDP commands

On Wed, 15 Jul 2020 21:56:01 -0700 Andrii Nakryiko wrote:
> Now that BPF program/link management is centralized in generic net_device
> code, kernel code never queries program id from drivers, so
> XDP_QUERY_PROG/XDP_QUERY_PROG_HW commands are unnecessary.
> 
> This patch removes all the implementations of those commands in kernel, along
> the xdp_attachment_query().
> 
> This patch was compile-tested on allyesconfig.
> 
> Signed-off-by: Andrii Nakryiko <andriin@...com>

drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c: In function ‘dpaa2_eth_xdp’:
drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c:2079:25: warning: unused variable ‘priv’ [-Wunused-variable]
 2079 |  struct dpaa2_eth_priv *priv = netdev_priv(dev);
      |                         ^~~~