From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: davem@davemloft.net
Cc: daniel@iogearbox.net, andrii@kernel.org, martin.lau@kernel.org,
void@manifault.com, davemarchevsky@meta.com, tj@kernel.org,
memxor@gmail.com, netdev@vger.kernel.org, bpf@vger.kernel.org,
kernel-team@fb.com
Subject: [PATCH bpf-next 0/2] bpf: Add detection of kfuncs.
Date: Wed, 15 Mar 2023 15:36:05 -0700 [thread overview]
Message-ID: <20230315223607.50803-1-alexei.starovoitov@gmail.com> (raw)
From: Alexei Starovoitov <ast@kernel.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
next reply other threads:[~2023-03-15 22:36 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-15 22:36 Alexei Starovoitov [this message]
2023-03-15 22:36 ` [PATCH bpf-next 1/2] bpf: Allow ld_imm64 instruction to point to kfunc Alexei Starovoitov
2023-03-16 14:14 ` Eduard Zingerman
2023-03-16 16:45 ` Alexei Starovoitov
2023-03-16 20:34 ` Andrii Nakryiko
2023-03-16 22:25 ` Alexei Starovoitov
2023-03-16 23:06 ` Andrii Nakryiko
2023-03-17 1:39 ` Alexei Starovoitov
2023-03-17 16:28 ` Andrii Nakryiko
2023-03-15 22:36 ` [PATCH bpf-next 2/2] selftests/bpf: Add test for bpf_kfunc_exists() Alexei Starovoitov
2023-03-16 20:34 ` Andrii Nakryiko
2023-03-16 22:35 ` Alexei Starovoitov
2023-03-16 23:23 ` Andrii Nakryiko
2023-03-16 0:33 ` [PATCH bpf-next 0/2] bpf: Add detection of kfuncs Martin KaFai Lau
2023-03-16 5:34 ` John Fastabend
2023-03-16 10:31 ` Toke Høiland-Jørgensen
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