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From: Juri Lelli <juri.lelli@arm.com>
To: Wanpeng Li <wanpeng.li@linux.intel.com>,
	Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>
Cc: Kirill Tkhai <ktkhai@parallels.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/2] sched/deadline: introduce start_hrtick_dl for !CONFIG_SCHED_HRTICK
Date: Thu, 13 Nov 2014 09:31:18 +0000	[thread overview]
Message-ID: <54647A66.6020708@arm.com> (raw)
In-Reply-To: <1415670747-58726-1-git-send-email-wanpeng.li@linux.intel.com>

Hi,

On 11/11/14 01:52, Wanpeng Li wrote:
> Introduce start_hrtick_dl for !CONFIG_SCHED_HRTICK to align with
> fair class.
> 
> Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
> ---
>  kernel/sched/deadline.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
> index 04c2cbb..56674f6 100644
> --- a/kernel/sched/deadline.c
> +++ b/kernel/sched/deadline.c
> @@ -1013,6 +1013,10 @@ static void start_hrtick_dl(struct rq *rq, struct task_struct *p)
>  {
>  	hrtick_start(rq, p->dl.runtime);
>  }
> +#else /* !CONFIG_SCHED_HRTICK */
> +static void start_hrtick_dl(struct rq *rq, struct task_struct *p)
> +{
> +}
>  #endif
>  
>  static struct sched_dl_entity *pick_next_dl_entity(struct rq *rq,
> @@ -1066,10 +1070,8 @@ struct task_struct *pick_next_task_dl(struct rq *rq, struct task_struct *prev)
>  	/* Running task will never be pushed. */
>         dequeue_pushable_dl_task(rq, p);
>  
> -#ifdef CONFIG_SCHED_HRTICK
>  	if (hrtick_enabled(rq))
>  		start_hrtick_dl(rq, p);
> -#endif
>  
>  	set_post_schedule(rq);
>  
> @@ -1088,10 +1090,8 @@ static void task_tick_dl(struct rq *rq, struct task_struct *p, int queued)
>  {
>  	update_curr_dl(rq);
>  
> -#ifdef CONFIG_SCHED_HRTICK
>  	if (hrtick_enabled(rq) && queued && p->dl.runtime > 0)
>  		start_hrtick_dl(rq, p);
> -#endif
>  }
>  
>  static void task_fork_dl(struct task_struct *p)
> 

Looks good!

Acked-by: Juri Lelli <juri.lelli@arm.com>

Thanks,

- Juri


  parent reply	other threads:[~2014-11-13  9:31 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-11  1:52 Wanpeng Li
2014-11-11  1:52 ` [PATCH 2/2] sched/deadline: fix start high-res preemption tick for a non-running task Wanpeng Li
2014-11-13  9:37   ` Juri Lelli
2014-11-13 10:30     ` Wanpeng Li
2014-11-17  9:50       ` Juri Lelli
2014-11-17 11:02         ` Wanpeng Li
2014-11-13  9:31 ` Juri Lelli [this message]
2014-11-16 12:33 ` [tip:sched/core] sched/deadline: Introduce start_hrtick_dl() for !CONFIG_SCHED_HRTICK tip-bot for Wanpeng Li

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