linux-kernel - Re: [PATCH] sched/deadline: Make update_curr

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Message-ID: <20180206072626.GZ19535@localhost.localdomain>
Date:   Tue, 6 Feb 2018 08:26:26 +0100
From:   Juri Lelli <juri.lelli@...il.com>
To:     Wen Yang <wen.yang99@....com.cn>
Cc:     mingo@...hat.com, peterz@...radead.org,
        linux-kernel@...r.kernel.org, jiang.biao2@....com.cn,
        zhong.weidong@....com.cn
Subject: Re: [PATCH] sched/deadline: Make update_curr_dl() more accurate

Hi,

On 06/02/18 09:55, Wen Yang wrote:
> rq->clock_task may be updated between the two calls of
> rq_clock_task() in update_curr_dl(). Calling rq_clock_task() only
> once makes it more accurate and efficient, taking update_curr() as
> reference.
> 
> Signed-off-by: Wen Yang <wen.yang99@....com.cn>
> Reviewed-by: Jiang Biao <jiang.biao2@....com.cn>
> Suggested-by: Peter Zijlstra <peterz@...radead.org>

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

Thanks!

- Juri