Re: [PATCH v10 perf, bpf-next 9/9] bpf: add module name [bpf] to ksymbols for bpf programs
From: Peter Zijlstra <peterz@infradead.org>
Date: 2019-01-17 13:11:00
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On Wed, Jan 16, 2019 at 08:29:31AM -0800, Song Liu wrote:
With this patch, /proc/kallsyms will show BPF programs as <addr> t bpf_prog_<tag>_<name> [bpf] Signed-off-by: Song Liu <redacted>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
quoted hunk ↗ jump to hunk
--- 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