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 X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT autolearn=ham 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 95BD1C43381 for ; Thu, 7 Mar 2019 11:50:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6235A20643 for ; Thu, 7 Mar 2019 11:50:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726531AbfCGLt7 (ORCPT ); Thu, 7 Mar 2019 06:49:59 -0500 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:44292 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726101AbfCGLt6 (ORCPT ); Thu, 7 Mar 2019 06:49:58 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 4399380D; Thu, 7 Mar 2019 03:49:58 -0800 (PST) Received: from queper01-lin (queper01-lin.cambridge.arm.com [10.1.195.48]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 997F93F706; Thu, 7 Mar 2019 03:49:56 -0800 (PST) Date: Thu, 7 Mar 2019 11:49:55 +0000 From: Quentin Perret To: Peter Zijlstra Cc: "Rafael J. Wysocki" , "Rafael J. Wysocki" , Linux PM , LKML , Viresh Kumar , Srinivas Pandruvada , Chen Yu , Gabriele Mazzotta Subject: Re: [RFT][Update][PATCH 2/2] cpufreq: intel_pstate: Update max CPU frequency on global turbo changes Message-ID: <20190307114952.u6lb5jtyombsnl7z@queper01-lin> References: <20190305104256.7kvedlttuovmptpc@queper01-lin> <2336151.IZk3Z8DVvP@aspire.rjw.lan> <6357319.Iupbu3ldGQ@aspire.rjw.lan> <20190305114406.GV32494@hirez.programming.kicks-ass.net> <20190305120040.y2vmnxrch6kgya3e@queper01-lin> <20190305173746.p32xolcpueudlzwn@queper01-lin> <20190307110256.padefvq4e52ly3nm@queper01-lin> <20190307112344.GC32477@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190307112344.GC32477@hirez.programming.kicks-ass.net> User-Agent: NeoMutt/20171215 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 07 Mar 2019 at 12:23:44 (+0100), Peter Zijlstra wrote: > Ah, but remember; with the latest patch the iowait_boost is scaled on > max. So in order to hit that 300, you first have to hit 1024. Argh ! Right ... So yeah, my whole point about big.little platforms was totally wrong :( /me goes back to sleep