selftests/bpf: Add test for bpf_list_{front,back}

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This patch adds the "list_peek" test to use the new
bpf_list_{front,back} kfunc.

The test_{front,back}* tests ensure that the return value
is a non_own_ref node pointer and requires the spinlock to be held.

Suggested-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> # check non_own_ref marking
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20250506015857.817950-9-martin.lau@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Martin KaFai Lau 2025-05-05 18:58:55 -07:00 • committed by Alexei Starovoitov

parent fb5b480205

commit 29318b4d5d

2 changed files with 119 additions and 0 deletions

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6

tools/testing/selftests/bpf/prog_tests/linked_list.c

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113

tools/testing/selftests/bpf/progs/linked_list_peek.c

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