(2014/06/06 7:35), Yoshihiro YUNOMAE wrote:
> If tracing is disabled on boot up, the kernel should not execute self tests.
> In this patch, the kernel checks whether tracing is disabled or not
> before executing self tests.
Looks good to me, thanks! :)
Acked-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com>
>
> Signed-off-by: Yoshihiro YUNOMAE <yoshihiro.yunomae...@hitachi.com>
> Cc: Steven Rostedt <rost...@goodmis.org>
> Cc: Ingo Molnar <mi...@redhat.com>
> Cc: Masami Hiramatsu <masami.hiramatsu...@hitachi.com>
> Cc: linux-kernel@vger.kernel.org
> ---
> kernel/trace/trace_kprobe.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
> index 903ae28..ef2fba1 100644
> --- a/kernel/trace/trace_kprobe.c
> +++ b/kernel/trace/trace_kprobe.c
> @@ -1377,6 +1377,9 @@ static __init int kprobe_trace_self_tests_init(void)
> struct trace_kprobe *tk;
> struct ftrace_event_file *file;
>
> + if (tracing_is_disabled())
> + return -ENODEV;
> +
> target = kprobe_trace_selftest_target;
>
> pr_info("Testing kprobe tracing: ");
>
>
--
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu...@hitachi.com
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