docs/bpf: Update btf selftests program and add link

Commit c64779e24e88("selftests/bpf: Merge most of test_btf into test_progs")
renamed the BTF selftest from 'test_btf.c' to 'prog_tests/btf.c'.

Signed-off-by: Rong Tao <rongtao@cestc.cn>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/bpf/tencent_1FA6904156E8E599CAE4ABDBE80F22830106@qq.com
This commit is contained in:
Rong Tao 2022-11-22 08:50:42 +08:00 committed by Daniel Borkmann
parent c6b0337f01
commit b74344cbed

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@ -1062,4 +1062,9 @@ format.::
7. Testing
==========
Kernel bpf selftest `test_btf.c` provides extensive set of BTF-related tests.
The kernel BPF selftest `tools/testing/selftests/bpf/prog_tests/btf.c`_
provides an extensive set of BTF-related tests.
.. Links
.. _tools/testing/selftests/bpf/prog_tests/btf.c:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/tools/testing/selftests/bpf/prog_tests/btf.c