netdev - Re: [PATCH bpf-next] bpf: Fix build error without CONFIG

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Date:   Wed, 12 Jun 2019 07:29:13 -0700
From:   "Jonathan Lemon" <jonathan.lemon@...il.com>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     ast@...nel.org, daniel@...earbox.net, kafai@...com,
        songliubraving@...com, yhs@...com, davem@...emloft.net,
        jakub.kicinski@...ronome.com, linux-kernel@...r.kernel.org,
        xdp-newbies@...r.kernel.org, bpf@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH bpf-next] bpf: Fix build error without CONFIG_INET

On 12 Jun 2019, at 2:18, YueHaibing wrote:

> If CONFIG_INET is not set, building fails:
>
> kernel/bpf/verifier.o: In function `check_mem_access':
> verifier.c: undefined reference to `bpf_xdp_sock_is_valid_access'
> kernel/bpf/verifier.o: In function `convert_ctx_accesses':
> verifier.c: undefined reference to `bpf_xdp_sock_convert_ctx_access'
>
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Fixes: fada7fdc83c0 ("bpf: Allow bpf_map_lookup_elem() on an xskmap")
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
Acked-by: Jonathan Lemon <jonathan.lemon@...il.com>