From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Andrii Nakryiko <andrii@kernel.org>
Cc: bpf <bpf@vger.kernel.org>,
Network Development <netdev@vger.kernel.org>,
Alexei Starovoitov <ast@fb.com>,
Daniel Borkmann <daniel@iogearbox.net>,
Kernel Team <kernel-team@fb.com>,
Alexei Starovoitov <ast@kernel.org>
Subject: Re: [PATCH bpf-next] bpf: return -EOPNOTSUPP when attaching to non-kernel BTF
Date: Mon, 07 Dec 2020 15:07:28 +0100 [thread overview]
Message-ID: <87lfe9676n.fsf@toke.dk> (raw)
In-Reply-To: <CAADnVQK25OLC+C7LLCvGY7kgr_F2vh5-s_4rnwCY7CqMEcfisw@mail.gmail.com>
Alexei Starovoitov <alexei.starovoitov@gmail.com> writes:
> On Fri, Dec 4, 2020 at 7:11 PM Andrii Nakryiko <andrii@kernel.org> wrote:
>> + return -EOPNOTSUPP;
>
> $ cd kernel/bpf
> $ git grep ENOTSUPP|wc -l
> 46
> $ git grep EOPNOTSUPP|wc -l
> 11
But also
$ cd kernel/include/uapi
$ git grep ENOTSUPP | wc -l
0
$ git grep EOPNOTSUPP | wc -l
8
(i.e., ENOTSUPP is not defined in userspace headers at all)
-Toke
next prev parent reply other threads:[~2020-12-07 14:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-05 3:09 [PATCH bpf-next] bpf: return -EOPNOTSUPP when attaching to non-kernel BTF Andrii Nakryiko
2020-12-05 3:14 ` Alexei Starovoitov
2020-12-07 14:07 ` Toke Høiland-Jørgensen [this message]
2020-12-07 16:00 ` Alexei Starovoitov
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