linux-kernel - Re: [PATCH v2 0/2] sched/eevdf: Minor fixes for reweight

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Date: Fri, 19 Apr 2024 15:27:30 +0800
From: Chen Yu <yu.c.chen@...el.com>
To: Tianchen Ding <dtcccc@...ux.alibaba.com>
CC: <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...hat.com>, "Peter
 Zijlstra" <peterz@...radead.org>, Juri Lelli <juri.lelli@...hat.com>,
	"Vincent Guittot" <vincent.guittot@...aro.org>, Dietmar Eggemann
	<dietmar.eggemann@....com>, Steven Rostedt <rostedt@...dmis.org>, Ben Segall
	<bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>, "Daniel Bristot de
 Oliveira" <bristot@...hat.com>, Valentin Schneider <vschneid@...hat.com>,
	"Abel Wu" <wuyun.abel@...edance.com>
Subject: Re: [PATCH v2 0/2] sched/eevdf: Minor fixes for reweight_entity()

On 2024-03-06 at 10:21:31 +0800, Tianchen Ding wrote:
> According to the discussion in [1], fix a calculation bug in
> reweight_entity().
> 
> [1] https://lore.kernel.org/all/59585184-d13d-46e0-8d68-42838e97a702@bytedance.com/
> 
> v2:
> Add fixes tag to the 1st patch.
> 
> v1: https://lore.kernel.org/all/20240304030042.2690-1-dtcccc@linux.alibaba.com/
> 
> Tianchen Ding (2):
>   sched/eevdf: Always update V if se->on_rq when reweighting
>   sched/eevdf: Fix miscalculation in reweight_entity() when se is not
>     curr
> 
>  kernel/sched/fair.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> -- 
> 2.39.3
>

Applied this patch set on top of the reweight_entity fix at
https://lore.kernel.org/lkml/ZiEaKOQwiNEglYtS@chenyu5-mobl2/
it has passed 100 cycles of trinity test without any issue.

For the whole serie,

Tested-by: Chen Yu <yu.c.chen@...el.com>

thanks,
Chenyu