linux-kernel - Re: [PATCH 0/6] Backport rework of deadline bandwidth restoration for 6.4.y

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Message-ID: <2023082742-dad-henna-cb35@gregkh>
Date:   Sun, 27 Aug 2023 10:34:53 +0200
From:   Greg KH <greg@...ah.com>
To:     Qais Yousef <qyousef@...alina.io>
Cc:     stable@...r.kernel.org, Juri Lelli <juri.lelli@...hat.com>,
        Waiman Long <longman@...hat.com>, Tejun Heo <tj@...nel.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Ingo Molnar <mingo@...nel.org>, Hao Luo <haoluo@...gle.com>,
        John Stultz <jstultz@...gle.com>, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/6] Backport rework of deadline bandwidth restoration
 for 6.4.y

On Mon, Aug 21, 2023 at 11:19:50PM +0100, Qais Yousef wrote:
> This is a backport of the series that fixes the way deadline bandwidth
> restoration is done which is causing noticeable delay on resume path. It also
> converts the cpuset lock back into a mutex which some users on Android too.
> I lack the details but AFAIU the read/write semaphore was slower on high
> contention.
> 
> Compile tested against some randconfig for different archs. Only boot tested on
> x86 qemu.
> 
> Based on v6.4.11
> 
> Original series:
> 
> 	https://lore.kernel.org/lkml/20230508075854.17215-1-juri.lelli@redhat.com/
> 
> Thanks!

All backports now queued up, thanks for doing this work!

greg k-h