More and more kfunc functions are being added to the kernel.
Different prog types have different restrictions when using kfunc.
Therefore, prog_kfunc probe is added to check whether it is supported,
and the use of this api will be added to bpftool later.

Tao Chen (2):
  libbpf: Add libbpf_probe_bpf_kfunc API
  selftests/bpf: Add libbpf_probe_bpf_kfunc API selftests

 tools/lib/bpf/libbpf.h                        | 16 ++++++++-
 tools/lib/bpf/libbpf.map                      |  1 +
 tools/lib/bpf/libbpf_probes.c                 | 36 +++++++++++++++++++
 .../selftests/bpf/prog_tests/libbpf_probes.c  | 30 ++++++++++++++++
 4 files changed, 82 insertions(+), 1 deletion(-)

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2.43.0