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Subject[PATCH v9 perf, bpf-next 9/9] bpf: add module name [bpf] to ksymbols for bpf programs
Date
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(-)

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,
--
2.17.1
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