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2020-01-20selftests: Use consistent include paths for libbpfToke Høiland-Jørgensen1-1/+1
Fix all selftests to include libbpf header files with the bpf/ prefix, to be consistent with external users of the library. Also ensure that all includes of exported libbpf header files (those that are exported on 'make install' of the library) use bracketed includes instead of quoted. To not break the build, keep the old include path until everything has been changed to the new one; a subsequent patch will remove that. Fixes: 6910d7d3867a ("selftests/bpf: Ensure bpf_helper_defs.h are taken from selftests dir") Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/157952560568.1683545.9649335788846513446.stgit@toke.dk
2020-01-10selftests/bpf: Add unit tests for global functionsAlexei Starovoitov1-0/+65
test_global_func[12] - check 512 stack limit. test_global_func[34] - check 8 frame call chain limit. test_global_func5 - check that non-ctx pointer cannot be passed into a function that expects context. test_global_func6 - check that ctx pointer is unmodified. test_global_func7 - check that global function returns scalar. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20200110064124.1760511-7-ast@kernel.org