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

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Message-Id: <20230315223607.50803-1-alexei.starovoitov@gmail.com>
Date:   Wed, 15 Mar 2023 15:36:05 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     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: [PATCH bpf-next 0/2] bpf: Add detection of kfuncs.

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(-)

-- 
2.34.1