3 Commits

Author	SHA1	Message	Date
Hao Luo	2c2f6abeff	selftests/bpf: Ksyms_btf to test typed ksyms ... Selftests for typed ksyms. Tests two types of ksyms: one is a struct, the other is a plain int. This tests two paths in the kernel. Struct ksyms will be converted into PTR_TO_BTF_ID by the verifier while int typed ksyms will be converted into PTR_TO_MEM. Signed-off-by: Hao Luo <haoluo@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200929235049.2533242-4-haoluo@google.com	2020-10-02 14:59:25 -07:00
Ilya Leoshkevich	90a1deda75	selftests/bpf: Fix test_ksyms on non-SMP kernels ... On non-SMP kernels __per_cpu_start is not 0, so look it up in kallsyms. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200910171336.3161995-1-iii@linux.ibm.com	2020-09-10 19:53:58 -07:00
Andrii Nakryiko	b7ddfab20a	selftests/bpf: Add __ksym extern selftest ... Validate libbpf is able to handle weak and strong kernel symbol externs in BPF code correctly. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Reviewed-by: Hao Luo <haoluo@google.com> Link: https://lore.kernel.org/bpf/20200619231703.738941-4-andriin@fb.com	2020-06-22 17:01:48 -07:00