Date:   Mon, 6 Dec 2021 11:43:48 +1100
From:   Stephen Rothwell <sfr@canb.auug.org.au>
To:     Daniel Borkmann <daniel@iogearbox.net>,
        Alexei Starovoitov <ast@kernel.org>,
        Andrii Nakryiko <andrii@kernel.org>, bpf <bpf@vger.kernel.org>,
        Networking <netdev@vger.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build warning after merge of the bpf-next tree
Message-ID: <20211206114348.37971224@canb.auug.org.au>
In-Reply-To: <20211206105530.0cd0a147@canb.auug.org.au>
References: <20211206105530.0cd0a147@canb.auug.org.au>
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Hi all,

On Mon, 6 Dec 2021 10:55:30 +1100 Stephen Rothwell <sfr@canb.auug.org.au> w=
rote:
>
> After merging the bpf-next tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
>=20
> kernel/bpf/btf.c:6588:13: warning: 'purge_cand_cache' defined but not use=
d [-Wunused-function]
>  6588 | static void purge_cand_cache(struct btf *btf)
>       |             ^~~~~~~~~~~~~~~~
>=20
> Introduced by commit
>=20
>   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.

--=20
Cheers,
Stephen Rothwell

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