Re: [PATCH] sched/deadline: overrun could happen in start_hrtick_dl

[Bernd Petrovitsch <bernd@petrovitsch.priv.at>]

On Die, 2014-07-08 at 11:33 +0200, Peter Zijlstra wrote:
[...]
> diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
> index fc4f98b1258f..e1e24eea8061 100644
> --- a/kernel/sched/deadline.c
> +++ b/kernel/sched/deadline.c
> @@ -999,8 +999,7 @@ static void start_hrtick_dl(struct rq *rq, struct task_struct *p)
>  {
>  	s64 delta = p->dl.dl_runtime - p->dl.runtime;

This line can be removed as well (an then we have a one-line
function ....).

> -	if (delta > 10000)
> -		hrtick_start(rq, p->dl.runtime);
> +	hrtick_start(rq, p->dl.runtime);
>  }
>  #endif


	Bernd
-- 
"I dislike type abstraction if it has no real reason. And saving
on typing is not a good reason - if your typing speed is the main
issue when you're coding, you're doing something seriously wrong."
    - Linus Torvalds