From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8D672C83F14 for ; Sun, 27 Aug 2023 23:36:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229631AbjH0XgJ (ORCPT ); Sun, 27 Aug 2023 19:36:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229730AbjH0Xft (ORCPT ); Sun, 27 Aug 2023 19:35:49 -0400 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D8C4F19B for ; Sun, 27 Aug 2023 16:35:27 -0700 (PDT) Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-3fe24dd8898so24186575e9.2 for ; Sun, 27 Aug 2023 16:35:27 -0700 (PDT) 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== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693179326; x=1693784126; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=v5y6/ZTjfXJEZbiKUq7WiVLqlVma4fac9mBsqpVtToc=; b=CdZjSTkuS759vPmQI7oTM9c2jl3OAy+OSU/npBh+0GX6Mb9JV4iR8C6ODqG2zNKmow 8kQ1M6G4L35BIXXQBBFZImeu9edpPUvltl6kIdV0POaxgHIQZIgmm7OVOsXeC+tTgd9l qjjZH8Vy5Gk14rGKhu3VhcB3HdwC91+rupWzcZ/EwkN48x2DxPjREGh07ItUV89PMiIy 4wnV4NoOb7WNUEY/A5O3P2oMMOgHAqACils8x/igmSuVZfZXTsCSSMYIlU1z3EXOe3Fa DpsKkTeo91PugdZMQljDGgT8LTISuoZWZYYc3AkZIJh5CAGPodgzI+OlI2EMqrAPfrS3 vpiw== X-Gm-Message-State: AOJu0YwNAZxR+ZQaMYAhYWOA9dj3d3MN5tzYj7AzEVzqse/ogWGlfBhz WcUYLv13oI1hYKE3B8RfrSyYcw== X-Google-Smtp-Source: AGHT+IGx8pXa4uGgS+za3PgW3mU2GQ0Sq4+vpbherXwwFbaV+ELmK+8aQ44JoxJym3E9cwbahi0oBA== X-Received: by 2002:a1c:7510:0:b0:3fb:c9f4:150e with SMTP id o16-20020a1c7510000000b003fbc9f4150emr19786178wmc.14.1693179326021; Sun, 27 Aug 2023 16:35:26 -0700 (PDT) Received: from airbuntu (host109-151-228-137.range109-151.btcentralplus.com. [109.151.228.137]) by smtp.gmail.com with ESMTPSA id a13-20020a05600c224d00b003fefca26c72sm9061716wmm.23.2023.08.27.16.35.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Aug 2023 16:35:25 -0700 (PDT) Date: Mon, 28 Aug 2023 00:35:24 +0100 From: Qais Yousef 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 Subject: Re: [PATCH 0/6] Backport rework of deadline bandwidth restoration for 6.4.y Message-ID: <20230827233524.7anzxffj4v7srxzd@airbuntu> References: <20230821221956.698117-1-qyousef@layalina.io> <2023082742-dad-henna-cb35@gregkh> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <2023082742-dad-henna-cb35@gregkh> Precedence: bulk List-ID: X-Mailing-List: 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! -- Qais Yousef