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authorIlya Leoshkevich <iii@linux.ibm.com>2019-07-16 14:58:27 +0200
committerAlexei Starovoitov <ast@kernel.org>2019-07-16 18:41:00 -0700
commit1cb59a6074e23c6f6513642f752a6d8d38327354 (patch)
tree36d4796a2deccacc5a17ddb00d63d4199a36c7c8 /tools/testing/selftests/bpf/prog_tests/attach_probe.c
parent9d1f62a6dcf0de3ab184c1f7b7d82117dcbab090 (diff)
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>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/attach_probe.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/attach_probe.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/attach_probe.c b/tools/testing/selftests/bpf/prog_tests/attach_probe.c
index 47af4afc5013..5ecc267d98b0 100644
--- a/tools/testing/selftests/bpf/prog_tests/attach_probe.c
+++ b/tools/testing/selftests/bpf/prog_tests/attach_probe.c
@@ -21,14 +21,6 @@ ssize_t get_base_addr() {
return -EINVAL;
}
-#ifdef __x86_64__
-#define SYS_KPROBE_NAME "__x64_sys_nanosleep"
-#elif defined(__s390x__)
-#define SYS_KPROBE_NAME "__s390x_sys_nanosleep"
-#else
-#define SYS_KPROBE_NAME "sys_nanosleep"
-#endif
-
void test_attach_probe(void)
{
const char *kprobe_name = "kprobe/sys_nanosleep";
@@ -86,7 +78,7 @@ void test_attach_probe(void)
kprobe_link = bpf_program__attach_kprobe(kprobe_prog,
false /* retprobe */,
- SYS_KPROBE_NAME);
+ SYS_NANOSLEEP_KPROBE_NAME);
if (CHECK(IS_ERR(kprobe_link), "attach_kprobe",
"err %ld\n", PTR_ERR(kprobe_link))) {
kprobe_link = NULL;
@@ -94,7 +86,7 @@ void test_attach_probe(void)
}
kretprobe_link = bpf_program__attach_kprobe(kretprobe_prog,
true /* retprobe */,
- SYS_KPROBE_NAME);
+ SYS_NANOSLEEP_KPROBE_NAME);
if (CHECK(IS_ERR(kretprobe_link), "attach_kretprobe",
"err %ld\n", PTR_ERR(kretprobe_link))) {
kretprobe_link = NULL;