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3 Commits

Author SHA1 Message Date
Ilya Leoshkevich
1cb59a6074 selftests/bpf: fix perf_buffer on s390 
perf_buffer test fails for exactly the same reason test_attach_probe
used to fail: different nanosleep syscall kprobe name.

Reuse the test_attach_probe fix.

Fixes: ee5cf82ce04a ("selftests/bpf: test perf buffer API")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2019-07-16 18:41:00 -07:00
Ilya Leoshkevich
025c0c0917 selftests/bpf: fix attach_probe on s390 
attach_probe test fails, because it cannot install a kprobe on a
non-existent sys_nanosleep symbol.

Use the correct symbol name for the nanosleep syscall on 64-bit s390.
Don't bother adding one for 31-bit mode, since tests are compiled only
in 64-bit mode.

Fixes: 1e8611bbdfc9 ("selftests/bpf: add kprobe/uprobe selftests")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Acked-by: Vasily Gorbik <gor@linux.ibm.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
 2019-07-15 23:09:40 +02:00
Andrii Nakryiko
1e8611bbdf selftests/bpf: add kprobe/uprobe selftests 
Add tests verifying kprobe/kretprobe/uprobe/uretprobe APIs work as
expected.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Reviewed-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
 2019-07-05 22:37:31 +02:00