kernel/tools/testing/selftests/bpf/progs/test_global_func4.c, branch linux-6.2.y Hosts the 0x221E linux distro kernel. https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-6.2.y 2020-01-10T16:20:07Z selftests/bpf: Add unit tests for global functions 2020-01-10T16:20:07Z Alexei Starovoitov ast@kernel.org 2020-01-10T06:41:24Z urn:sha1:360301a6c21be87fe881546bd5f22eccf7a165c5 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