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

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Message-ID: <20230827233524.7anzxffj4v7srxzd@airbuntu>
Date:   Mon, 28 Aug 2023 00:35:24 +0100
From:   Qais Yousef <qyousef@...alina.io>
To:     Greg KH <greg@...ah.com>
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 08/27/23 10:34, Greg KH wrote:
> 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!

And thanks for your patience!

--
Qais Yousef