Re: [PATCH bpf-next v4 06/10] libbpf: selftests: Add verifier tests for CO-RE bitfield writes

On Mon, Dec 4, 2023 at 12:57 PM Daniel Xu dxu@dxuuu.xyz wrote:

Add some tests that exercise BPF_CORE_WRITE_BITFIELD() macro. Since some non-trivial bit fiddling is going on, make sure various edge cases (such as adjacent bitfields and bitfields at the edge of structs) are exercised.

Acked-by: Andrii Nakryiko andrii@kernel.org Signed-off-by: Daniel Xu dxu@dxuuu.xyz

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nit: please drop "libbpf: " prefix from the patch subject, this is "selftests/bpf: " actually

.../selftests/bpf/prog_tests/verifier.c | 2 + .../bpf/progs/verifier_bitfield_write.c | 100 ++++++++++++++++++ 2 files changed, 102 insertions(+) create mode 100644 tools/testing/selftests/bpf/progs/verifier_bitfield_write.c

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