netdev - Re: [PATCH bpf-next 0/2] bpf: Add detection of kfuncs.

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Message-ID: <87jzzh9edv.fsf@toke.dk>
Date:   Thu, 16 Mar 2023 11:31:08 +0100
From:   Toke Høiland-Jørgensen <toke@...hat.com>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>,
        davem@...emloft.net
Cc:     daniel@...earbox.net, andrii@...nel.org, martin.lau@...nel.org,
        void@...ifault.com, davemarchevsky@...a.com, tj@...nel.org,
        memxor@...il.com, netdev@...r.kernel.org, bpf@...r.kernel.org,
        kernel-team@...com
Subject: Re: [PATCH bpf-next 0/2] bpf: Add detection of kfuncs.

Alexei Starovoitov <alexei.starovoitov@...il.com> writes:

> From: Alexei Starovoitov <ast@...nel.org>
>
> Allow BPF programs detect at load time whether particular kfunc exists.
>
> Alexei Starovoitov (2):
>   bpf: Allow ld_imm64 instruction to point to kfunc.
>   selftests/bpf: Add test for bpf_kfunc_exists().
>
>  kernel/bpf/verifier.c                              |  7 +++++--
>  tools/lib/bpf/bpf_helpers.h                        |  3 +++
>  .../selftests/bpf/progs/task_kfunc_success.c       | 14 +++++++++++++-
>  3 files changed, 21 insertions(+), 3 deletions(-)

Nice!

For the series:

Reviewed-by: Toke Høiland-Jørgensen <toke@...hat.com>