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3 Commits

Author SHA1 Message Date
Andrii Nakryiko
006ed53e8c selftests/bpf: Fix trampoline_count clean up logic 
Libbpf's Travis CI tests caught this issue. Ensure bpf_link and bpf_object
clean up is performed correctly.

Fixes: d633d57902 ("selftest/bpf: Add test for allowed trampolines count")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20200220230546.769250-1-andriin@fb.com
 2020-02-20 18:03:10 -08:00
Andrii Nakryiko
8fc91b972b selftests/bpf: Fix trampoline_count.c selftest compilation warning 
Fix missing braces compilation warning in trampoline_count test:

  .../prog_tests/trampoline_count.c: In function ‘test_trampoline_count’:
  .../prog_tests/trampoline_count.c:49:9: warning: missing braces around initializer [-Wmissing-braces]
  struct inst inst[MAX_TRAMP_PROGS] = { 0 };
         ^
  .../prog_tests/trampoline_count.c:49:9: warning: (near initialization for ‘inst[0]’) [-Wmissing-braces]

Fixes: d633d57902 ("selftest/bpf: Add test for allowed trampolines count")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20200202065152.2718142-1-andriin@fb.com
 2020-02-04 00:08:49 +01:00
Jiri Olsa
d633d57902 selftest/bpf: Add test for allowed trampolines count 
There's limit of 40 programs tht can be attached
to trampoline for one function. Adding test that
tries to attach that many plus one extra that needs
to fail.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200123161508.915203-4-jolsa@kernel.org
 2020-01-25 07:12:40 -08:00