Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp1569055pxb; Thu, 4 Feb 2021 17:08:11 -0800 (PST) X-Google-Smtp-Source: ABdhPJzmoMTupeGM4Avj8XaUhTU95S2euHxji3358xceplOkZVF+tSNnsUUZ2xJORaClP3CN2w8K X-Received: by 2002:a17:906:aec6:: with SMTP id me6mr1654109ejb.163.1612487290852; Thu, 04 Feb 2021 17:08:10 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612487290; cv=none; d=google.com; s=arc-20160816; b=I/5b6Qbd5+DdW7sFafr6RKABNH9eqOiJi6FH27a8qXsLLfSBEbw/l7gMCG6zQ6+Dd5 PDZloYUdmXqowGiRUwEd+lPWnpBc5Y0yvZ5kzIwvPoWP+tSeZ34b/BF2kZsyNcWOo/1A 4bQnC8ysVoLwIQsv/gFW5n6vGgDQaiSlZ3tbRBe9FSRo0BkXR+jgh0yL9ts9bPkjTgxl 1pesD+lsATPKbMz2wC+aK0+/16PZIDh/Oxo5npZq4ZI860nMF3KoVtxUGxvJUDDrHHAW X8CIHiFFi0Rrgn63egZ03qSgxIODcEBtpi5snpAZIR3P3lh1R2GHwTnQRp9DAqvX5U7h 8Jew== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=cAM8zhJZadpqttQhSFdCN1wC4vAJFRKuA9zl6PUm5A4=; b=te9zDsZJtEVfwScyk0XjDNlbBA9lOd5yy6jsDZ09h1uc7jIIoI1M8WwkRpgwhU8ARc rYEulaAQsrZqunq/mcotG7UbqZ/vn2u9iy3qL4D5piVpOU/WrqzKivccsKKmlI3S+UyG zbFHgy8c1dWoY/NcXqS24lsZ3igaYeDC4IESdcFEbf0HqKG0NzsvHm7RcU3bVoPuHzsa vbmpxYFdV9aI3kURYQrDcqQlVse1kL2ZyUcfB1Qka/8PKzjvS0J5CyL3o7Cg6l7sUpsx SCrFn/dsfd/GhZfL9SKc5ae4Mhz6iuIM8819pU8xVdo+NBAiP3ho9a4YL0ixBXZPsJxh WUdA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id pk20si4128514ejb.103.2021.02.04.17.07.47; Thu, 04 Feb 2021 17:08:10 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238547AbhBDRi6 (ORCPT + 99 others); Thu, 4 Feb 2021 12:38:58 -0500 Received: from cloudserver094114.home.pl ([79.96.170.134]:51120 "EHLO cloudserver094114.home.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238636AbhBDRgP (ORCPT ); Thu, 4 Feb 2021 12:36:15 -0500 Received: from 89-64-81-64.dynamic.chello.pl (89.64.81.64) (HELO kreacher.localnet) by serwer1319399.home.pl (79.96.170.134) with SMTP (IdeaSmtpServer 0.83.537) id 39f69ac353cce522; Thu, 4 Feb 2021 18:35:01 +0100 From: "Rafael J. Wysocki" To: Linux PM Cc: LKML , Linux ACPI , Peter Zijlstra , Srinivas Pandruvada , Viresh Kumar , Giovanni Gherdovich , Mel Gorman , Michael Larabel , Juri Lelli , Vincent Guittot Subject: [PATCH v1 0/2] cpufreq: ACPI: Address performance regression related to scale-invariance Date: Thu, 04 Feb 2021 18:23:58 +0100 Message-ID: <13690581.X0sz4iL7V8@kreacher> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi All, These 2 patches address a performance regression related to scale-invariance found by Michael and analyzed by Giovanni (see the patch from Giovanni at https://lore.kernel.org/linux-pm/20210203135321.12253-2-ggherdovich@suse.cz/). Patch [1/2] is a replacement for the one mentioned above (it was posted without a changelog and tested somewhat) and patch [2/2] takes care of systems without CPPC on top of that. Please see the patch changelogs for details and let me know if you have any concerns. Thanks!