Message ID | 20201201035545.3013177-8-andrii@kernel.org (mailing list archive) |
---|---|
State | Superseded |
Delegated to: | BPF |
Headers | show |
Series | Support BTF-powered BPF tracing programs for kernel modules | expand |
Context | Check | Description |
---|---|---|
netdev/apply | fail | Patch does not apply to bpf-next |
netdev/tree_selection | success | Clearly marked for bpf-next |
diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c index 4ff0cf23607d..2df19d73ca49 100644 --- a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c +++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c @@ -10,7 +10,7 @@ #define CREATE_TRACE_POINTS #include "bpf_testmod-events.h" -static noinline ssize_t +noinline ssize_t bpf_testmod_test_read(struct file *file, struct kobject *kobj, struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len) @@ -25,6 +25,7 @@ bpf_testmod_test_read(struct file *file, struct kobject *kobj, return -EIO; /* always fail */ } +EXPORT_SYMBOL(bpf_testmod_test_read); ALLOW_ERROR_INJECTION(bpf_testmod_test_read, ERRNO); static struct bin_attribute bin_attr_bpf_testmod_file __ro_after_init = {
Pahole currently isn't able to generate BTF for static functions in kernel modules, so make sure traced sidecar function is global. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> --- tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)