Re: [PATCH] ftrace: Add initialization check in trace_printk for*puts paths

From: Steven Rostedt
Date: Mon Aug 12 2013 - 09:08:08 EST


On Mon, 12 Aug 2013 11:34:05 +0200
Jiri Olsa <jolsa@xxxxxxxxxx> wrote:

> Adding initialization check in trace_printk for *puts
> paths, plus unifying the check for all related cases.
>
> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> ---
> kernel/trace/trace.c | 15 ++++++++++++---
> 1 file changed, 12 insertions(+), 3 deletions(-)
>
> diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
> index 882ec1d..cb7cf96 100644
> --- a/kernel/trace/trace.c
> +++ b/kernel/trace/trace.c
> @@ -126,6 +126,9 @@ static char *default_bootup_tracer;
>
> static bool allocate_snapshot;
>
> +#define TRACE_PRINTK_DENIED \


s/TRACE_PRINTK_DENIED/TRACE_PRINTK_DISABLED/

-- Steve

> + unlikely(tracing_selftest_running || tracing_disabled)
> +
> static int __init set_cmdline_ftrace(char *str)
> {
> strlcpy(bootup_tracer_buf, str, MAX_TRACER_SIZE);
>
--
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