[PATCH bpf-next 0/2] bpf: support bpf_get_func_arg() for BPF_TRACE_RAW_TP

From: Menglong Dong

Date: Thu Jan 15 2026 - 22:50:35 EST


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(-)

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2.52.0