[v8,perf,bpf-next,9/9] bpf: add module name [bpf] to ksymbols for bpf programs
diff mbox series

Message ID 20190115185349.1191609-10-songliubraving@fb.com
State Superseded
Delegated to: BPF Maintainers
Headers show
Series
  • reveal invisible bpf programs
Related show

Commit Message

Song Liu Jan. 15, 2019, 6:53 p.m. UTC
With this patch, /proc/kallsyms will show BPF programs as

  <addr> t bpf_prog_<tag>_<name> [bpf]

Signed-off-by: Song Liu <songliubraving@fb.com>
---
 kernel/kallsyms.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
diff mbox series

diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index f3a04994e063..14934afa9e68 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -494,7 +494,7 @@  static int get_ksymbol_ftrace_mod(struct kallsym_iter *iter)
 
 static int get_ksymbol_bpf(struct kallsym_iter *iter)
 {
-	iter->module_name[0] = '\0';
+	strlcpy(iter->module_name, "bpf", MODULE_NAME_LEN);
 	iter->exported = 0;
 	return bpf_get_kallsym(iter->pos - iter->pos_ftrace_mod_end,
 			       &iter->value, &iter->type,