Re: [PATCH] tracing/hist: add in missing * in comment blocks

From: Randy Dunlap
Date: Thu Oct 20 2022 - 14:08:04 EST




On 10/20/22 08:10, Colin King (gmail) wrote:
> On 20/10/2022 15:44, Masami Hiramatsu (Google) wrote:
>> Hi,
>>
>> On Thu, 20 Oct 2022 14:30:19 +0100
>> Colin Ian King <colin.i.king@xxxxxxxxx> wrote:
>>
>>> There are a couple of missing * in comment blocks. Fix these.
>>> Cleans up two clang warnings:
>>>
>>> kernel/trace/trace_events_hist.c:986: warning: bad line:
>>> kernel/trace/trace_events_hist.c:3229: warning: bad line:
>>>
>>> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
>>
>> Thanks for the patch.
>>
>> Acked-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
>>
>> BTW, what version of clang are you using?
>> I couldn't see this warning with clang 15.0.0. Maybe I need a kconfig option?
>
> clang-13 and kernel W=1 for this specific case, e.g. kernel built using make  CC=clang-13 HOSTCC=clang-13 W=1
>

but those are kernel-doc warnings, not clang (AFAIK).

>
>>
>> Thank you,
>>
>>> ---
>>>   kernel/trace/trace_events_hist.c | 4 ++--
>>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
>>> index 48465f7e97b4..087c19548049 100644
>>> --- a/kernel/trace/trace_events_hist.c
>>> +++ b/kernel/trace/trace_events_hist.c
>>> @@ -983,7 +983,7 @@ static struct hist_field *find_any_var_ref(struct hist_trigger_data *hist_data,
>>>    * A trigger can define one or more variables.  If any one of them is
>>>    * currently referenced by any other trigger, this function will
>>>    * determine that.
>>> -
>>> + *
>>>    * Typically used to determine whether or not a trigger can be removed
>>>    * - if there are any references to a trigger's variables, it cannot.
>>>    *
>>> @@ -3226,7 +3226,7 @@ static struct field_var *create_field_var(struct hist_trigger_data *hist_data,
>>>    * events.  However, for convenience, users are allowed to directly
>>>    * specify an event field in an action, which will be automatically
>>>    * converted into a variable on their behalf.
>>> -
>>> + *
>>>    * This function creates a field variable with the name var_name on
>>>    * the hist trigger currently being defined on the target event.  If
>>>    * subsys_name and event_name are specified, this function simply
>>> -- 
>>> 2.37.3
>>>
>>
>>
>

--
~Randy