linux-kernel - Re: [PATCH v1] sched/uclamp: Skip uclamp_rq_dec() for non-final dequeue of delayed tasks

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Message-ID: <11840c1e-afff-4004-bc4c-6c88b3df02fa@kylinos.cn>
Date: Thu, 3 Jul 2025 17:03:13 +0800
From: Zihuan Zhang <zhangzihuan@...inos.cn>
To: K Prateek Nayak <kprateek.nayak@....com>, xuewen.yan@...soc.com,
 vincent.guittot@...aro.org, mingo@...hat.com, peterz@...radead.org,
 juri.lelli@...hat.com
Cc: rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
 vschneid@...hat.com, hongyan.xia2@....com, linux-kernel@...r.kernel.org,
 ke.wang@...soc.com, di.shen@...soc.com, xuewen.yan94@...il.com,
 kuyo.chang@...iatek.com, juju.sung@...iatek.com, qyousef@...alina.io
Subject: Re: [PATCH v1] sched/uclamp: Skip uclamp_rq_dec() for non-final
 dequeue of delayed tasks

Hi Prateek,

在 2025/7/2 11:12, K Prateek Nayak 写道:　 　 　 　　 　 　 　 　 　 　 　 
　 　 　　
> On a closer look at uclamp_rq_dec_id(), I think "uc_se->active"
> will guard against a double accounting. But that is not a good
> reason to sprinkle redundant calls.　　 　
Thanks a lot for the clarification!

Best regards,
Zihuan

>