From patchwork Thu Feb 4 17:23:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rafael J. Wysocki" X-Patchwork-Id: 376386 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93DB5C433DB for ; Thu, 4 Feb 2021 17:37:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4CA3564F64 for ; Thu, 4 Feb 2021 17:37:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238657AbhBDRhm (ORCPT ); Thu, 4 Feb 2021 12:37:42 -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 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@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! Tested-by: Giovanni Gherdovich Reviewed-by: Giovanni Gherdovich Reviewed-by: Giovanni Gherdovich Acked-by: Peter Zijlstra (Intel)