From mboxrd@z Thu Jan 1 00:00:00 1970 From: Qais Yousef Subject: Re: [PATCH 0/6] Backport rework of deadline bandwidth restoration for 6.4.y Date: Mon, 28 Aug 2023 00:35:24 +0100 Message-ID: <20230827233524.7anzxffj4v7srxzd@airbuntu> References: <20230821221956.698117-1-qyousef@layalina.io> <2023082742-dad-henna-cb35@gregkh> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=layalina-io.20221208.gappssmtp.com; s=20221208; t=1693179326; x=1693784126; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=v5y6/ZTjfXJEZbiKUq7WiVLqlVma4fac9mBsqpVtToc=; b=Y+xN6CskKFlhmnznfmJANIYNZI/rBGg0IytL+b7I6Prqr2/PZa9zDAeilCxz5UEzhC uKpkDYhdrtEzqLfGSZevY+E2VbxaQ3wraLYdFmGP7peBfJYA6jRXniMSUheCvixmXF4m XwKUtu6Nm4PxjGHpu03M2e5C+ZO+30RwBDmnVJPBrQLz+Z9jj2jEhlmuIdQ6QhiXBGvh Z2tnwLaYO1SupFQGAqQLgieByrPF9QyKHtG9zkv+UwwX0TNwYDmZTpc8PiLqRhisVkew e729/B2D9V/fUPjsEcZUNFqJ49LI6svji101PpBPMv7ytDmxQZhBOEcADJmjZLP/Bd8w lgfQ== Content-Disposition: inline In-Reply-To: <2023082742-dad-henna-cb35@gregkh> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Greg KH Cc: stable@vger.kernel.org, Juri Lelli , Waiman Long , Tejun Heo , Dietmar Eggemann , Peter Zijlstra , Vincent Guittot , Ingo Molnar , Hao Luo , John Stultz , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org 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!