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2023-03-10selftests/bpf: fix lots of silly mistakes pointed out by compilerAndrii Nakryiko1-1/+0
Once we enable -Wall for BPF sources, compiler will complain about lots of unused variables, variables that are set but never read, etc. Fix all these issues first before enabling -Wall in Makefile. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20230309054015.4068562-4-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-10-26selftests/bpf: Add selftests for new cgroup local storageYonghong Song1-0/+101
Add four tests for new cgroup local storage, (1) testing bpf program helpers and user space map APIs, (2) testing recursive fentry triggering won't deadlock, (3) testing progs attached to cgroups, and (4) a negative test if the bpf_cgrp_storage_get() helper key is not a cgroup btf id. Signed-off-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/r/20221026042911.675546-1-yhs@fb.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>