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From:   Joe Stringer <joe@wand.net.nz>
Date:   Tue, 2 Oct 2018 22:29:12 -0700
Message-ID: <CAOftzPhjR55RurO-waNe_idrPuCY-SUCj7V0cx=HY482wv57rw@mail.gmail.com>
Subject: Re: linux-next: build failure after merge of the bpf-next tree
To:     sfr@canb.auug.org.au
Cc:     daniel@iogearbox.net, ast@kernel.org,
        netdev <netdev@vger.kernel.org>, linux-next@vger.kernel.org,
        LKML <linux-kernel@vger.kernel.org>,
        Joe Stringer <joe@wand.net.nz>
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On Tue, 2 Oct 2018 at 20:19, Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> Hi all,
>
> After merging the bpf-next tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> x86_64-linux-gnu-ld: net/core/filter.o: in function `sk_lookup':
> (.text+0x19219): undefined reference to `__udp6_lib_lookup'
>
> Caused by commit
>
>   6acc9b432e67 ("bpf: Add helper to retrieve socket in BPF")
>
> I assume that __udp6_lib_lookup ended up in the IPv6 module.
>
> I used the bpf-next tree from next-20181002 for today.

My mistake, will send out a fix shortly.

Cheers,
Joe