Re: [PATCH] tracing/synthetic: fix kernel-doc warnings

From: Google
Date: Wed Dec 20 2023 - 07:11:58 EST


On Tue, 19 Dec 2023 22:12:26 -0800
Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:

> scripts/kernel-doc warns about using @args: for variadic arguments to
> functions. Documentation/doc-guide/kernel-doc.rst says that this should
> be written as @...: instead, so update the source code to match that,
> preventing the warnings.
>
> trace_events_synth.c:1165: warning: Excess function parameter 'args' description in '__synth_event_gen_cmd_start'
> trace_events_synth.c:1714: warning: Excess function parameter 'args' description in 'synth_event_trace'
>

Thanks, this looks good to me.

Acked-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>

> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
> Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
> Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
> Cc: linux-trace-kernel@xxxxxxxxxxxxxxx
> ---
> kernel/trace/trace_events_synth.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff -- a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c
> --- a/kernel/trace/trace_events_synth.c
> +++ b/kernel/trace/trace_events_synth.c
> @@ -1137,7 +1137,7 @@ EXPORT_SYMBOL_GPL(synth_event_add_fields
> * @cmd: A pointer to the dynevent_cmd struct representing the new event
> * @name: The name of the synthetic event
> * @mod: The module creating the event, NULL if not created from a module
> - * @args: Variable number of arg (pairs), one pair for each field
> + * @...: Variable number of arg (pairs), one pair for each field
> *
> * NOTE: Users normally won't want to call this function directly, but
> * rather use the synth_event_gen_cmd_start() wrapper, which
> @@ -1695,7 +1695,7 @@ __synth_event_trace_end(struct synth_eve
> * synth_event_trace - Trace a synthetic event
> * @file: The trace_event_file representing the synthetic event
> * @n_vals: The number of values in vals
> - * @args: Variable number of args containing the event values
> + * @...: Variable number of args containing the event values
> *
> * Trace a synthetic event using the values passed in the variable
> * argument list.


--
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>