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Thu, 15 Jan 2026 19:50:34 -0800 (PST) Received: from 7940hx ([160.187.0.149]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c5edf37c9d7sm684504a12.35.2026.01.15.19.50.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Jan 2026 19:50:34 -0800 (PST) From: Menglong Dong X-Google-Original-From: Menglong Dong To: ast@kernel.org Cc: daniel@iogearbox.net, john.fastabend@gmail.com, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, mattbobrowski@google.com, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Subject: [PATCH bpf-next 0/2] bpf: support bpf_get_func_arg() for BPF_TRACE_RAW_TP Date: Fri, 16 Jan 2026 11:50:22 +0800 Message-ID: <20260116035024.98214-1-dongml2@chinatelecom.cn> X-Mailer: git-send-email 2.52.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Support bpf_get_func_arg() for BPF_TRACE_RAW_TP by getting the function argument count from tracepoint prototype during verifier inline. Menglong Dong (2): bpf: support bpf_get_func_arg() for BPF_TRACE_RAW_TP selftests/bpf: test bpf_get_func_arg() for tp_btf kernel/bpf/verifier.c | 28 ++++++++++-- kernel/trace/bpf_trace.c | 4 +- .../bpf/prog_tests/get_func_args_test.c | 1 + .../selftests/bpf/progs/get_func_args_test.c | 44 +++++++++++++++++++ .../bpf/test_kmods/bpf_testmod-events.h | 10 +++++ .../selftests/bpf/test_kmods/bpf_testmod.c | 4 ++ 6 files changed, 85 insertions(+), 6 deletions(-) -- 2.52.0