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(parent: 597fbc4) | patch
selftests/bpf: test eager BPF ringbuf size adjustment logic
authorAndrii Nakryiko <andrii@kernel.org>
Fri, 15 Jul 2022 23:09:52 +0000 (16:09 -0700)
committerAlexei Starovoitov <ast@kernel.org>
Tue, 19 Jul 2022 17:01:20 +0000 (10:01 -0700)
commite134601961fef4516df9413b270fb96ef6d034bc
treeb5d87e983d21a35d333551afb55391d6dd511ca0tree | snapshot
parent597fbc4682969361dd141aaa58b8cc73a80da85dcommit | diff
selftests/bpf: test eager BPF ringbuf size adjustment logic

Add test validating that libbpf adjusts (and reflects adjusted) ringbuf
size early, before bpf_object is loaded. Also make sure we can't
successfully resize ringbuf map after bpf_object is loaded.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220715230952.2219271-2-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git