linux-kernel - Re: linux-next: build warning after merge of the bpf-next tree

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Date:   Mon, 6 Dec 2021 11:43:48 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>, bpf <bpf@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the bpf-next tree

Hi all,

On Mon, 6 Dec 2021 10:55:30 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> After merging the bpf-next tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
> 
> kernel/bpf/btf.c:6588:13: warning: 'purge_cand_cache' defined but not used [-Wunused-function]
>  6588 | static void purge_cand_cache(struct btf *btf)
>       |             ^~~~~~~~~~~~~~~~
> 
> Introduced by commit
> 
>   1e89106da253 ("bpf: Add bpf_core_add_cands() and wire it into bpf_core_apply_relo_insn().")

And this is a build failure for my x86_64 allmodconfig build.  So I
have used the bpf-next tree from next-20211202 again.

-- 
Cheers,
Stephen Rothwell

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