linux-kernel - Re: [PATCH RT 14/13] tracing: Fix probe_wakeup_latency_hist

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Date:	Mon, 7 Mar 2016 14:42:16 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Mike Galbraith <umgwanakikbuti@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	linux-rt-users <linux-rt-users@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Carsten Emde <C.Emde@...dl.org>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	John Kacur <jkacur@...hat.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>
Subject: Re: [PATCH RT 14/13] tracing: Fix probe_wakeup_latency_hist_start()
 prototype

On Fri, 04 Mar 2016 05:04:06 +0100
Mike Galbraith <umgwanakikbuti@...il.com> wrote:

> Drop 'success' arg from probe_wakeup_latency_hist_start().
> 
> Fixes: cf1dd658 sched: Introduce the trace_sched_waking tracepoint
> Signed-off-by: Mike Galbraith <umgwanakikbuti@...il.com>

Thanks, I applied this to 3.18-rt, 3.14-rt, 3.12-rt, 3.10-rt, 3.4-rt,
and 3.2-rt.

-- Steve

> ---
>  kernel/trace/latency_hist.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/trace/latency_hist.c b/kernel/trace/latency_hist.c
> index 66a69eb5329c..b6c1d14b71c4 100644
> --- a/kernel/trace/latency_hist.c
> +++ b/kernel/trace/latency_hist.c
> @@ -115,7 +115,7 @@ static DEFINE_PER_CPU(struct hist_data, wakeup_latency_hist_sharedprio);
>  static char *wakeup_latency_hist_dir = "wakeup";
>  static char *wakeup_latency_hist_dir_sharedprio = "sharedprio";
>  static notrace void probe_wakeup_latency_hist_start(void *v,
> -	struct task_struct *p, int success);
> +	struct task_struct *p);
>  static notrace void probe_wakeup_latency_hist_stop(void *v,
>  	struct task_struct *prev, struct task_struct *next);
>  static notrace void probe_sched_migrate_task(void *,
> @@ -869,7 +869,7 @@ static notrace void probe_sched_migrate_task(void *v, struct task_struct *task,
>  }
>  
>  static notrace void probe_wakeup_latency_hist_start(void *v,
> -	struct task_struct *p, int success)
> +	struct task_struct *p)
>  {
>  	unsigned long flags;
>  	struct task_struct *curr = current;