Received: by 2002:ac0:aed5:0:0:0:0:0 with SMTP id t21csp3289551imb; Tue, 5 Mar 2019 05:54:48 -0800 (PST) X-Google-Smtp-Source: APXvYqz91X+SiTgZIt+0e5GvLLVtaE+zausONpWYNi7dTTIMtXqQSeejLQQ+ZXG0E1gb1z/K3Pdl X-Received: by 2002:a62:1b03:: with SMTP id b3mr2000798pfb.218.1551794088829; Tue, 05 Mar 2019 05:54:48 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1551794088; cv=none; d=google.com; s=arc-20160816; b=ClDxJXwgU+rt1njTbHu+uALTXdz3JCoZIRm7oCZ46Fu1RmxKPGJDo/bBbDXhqWiK3z qDUqRsfdi/PcyCKuoJtdzz6ktQRrPG2CTPZDknI5BLXDLz0buxTdsKAiL9VrkYSOwMsh nzJkrjwLSonm8GGO7DU4knEYG+thcL7QBemt7mqTS6NxrIKlIfsImh+FY7WDcbx/LQ3m NiYwzgD58gwVwd6aOGjX5/jF/BQ5vKJm7Ow6CCASgx3IN3RpwEooHDKliGHC47WlAf/j 72QtCLd4XfkfBzBsGP1TTyxbxb3vLoDicbk1/G/KxJ5Vae60gSCRcLwbrMs6NaE6hNYX bJQw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=5n0gRaSrz866Ne997VIYvTrsaAtxd4fJ0OfRxmWFoBk=; b=CVIgnQm21ePTvZi+yubIqAXqixl0YyMdwY3j4vZKiaKb7Isn8iEDwsiDwnOQw+GBJg ck5IaJO84yGULCfuLUJAOteu0Lsmqw5Ksw7yoPFsDJpJ+qEIuFWmAun81td7w0Qc6Xqe L8VpbV4U9jc+xYDIcvlQELnZOWj2kPOJ4YOym6wFqgRGLV+AKChWOluxSwVBpuYZx3Si JX/88nZ+IqNr8lKXUZNJMOQ+Oawdv2VrVBYBknvER7VKIK8rBADC+fgWZP/OUIhXlFTH dZDbCFSPfltM8WWqEmkJeOZKF8krkx3R3lQ8R1apoMu2BDc/o12shyU97mOKxVlwVadj BP5A== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=merlin.20170209 header.b=K7+Hcghp; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id t18si7692984pgv.285.2019.03.05.05.54.33; Tue, 05 Mar 2019 05:54:48 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=merlin.20170209 header.b=K7+Hcghp; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728129AbfCEMY1 (ORCPT + 99 others); Tue, 5 Mar 2019 07:24:27 -0500 Received: from merlin.infradead.org ([205.233.59.134]:59890 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728055AbfCEMY1 (ORCPT ); Tue, 5 Mar 2019 07:24:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=5n0gRaSrz866Ne997VIYvTrsaAtxd4fJ0OfRxmWFoBk=; b=K7+HcghpmlrJsxLmbANOP7sFe 0AarG5xJXgzguW/RdnbmIQ7jwtz8BhhoC5opyFAdIEQpNb/RKNOCtYqlGq2a5k2YAF86YfbAC/Lhk loJ4juAPBVIxPyBrKcscdbHfgEBf+2A8V61wAcEjgVqovckCxotEFsiFfqKzIUpGJh6yWXMZjKaRu 4QroEpJGwbR/pKpDXnlJBP/nMrWksrqx5DfOzDSvWiaEd2Dn17z6iWsW3d1bJS6bGM5hwyWhqeB+h PsvZclNIUdctGoMuNouXKOLBG3rQKg38ZAiEtAxsg8cmGapBQyEg1y720PFwpuTG+yn1wWoN3YxZK I+kPryUyQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1h197B-0005zA-0P; Tue, 05 Mar 2019 12:24:09 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id BAEDD29B18A00; Tue, 5 Mar 2019 13:24:07 +0100 (CET) Date: Tue, 5 Mar 2019 13:24:07 +0100 From: Peter Zijlstra To: Quentin Perret Cc: "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: <20190305122407.GI32477@hirez.programming.kicks-ass.net> References: <9956076.F4luUDm1Dq@aspire.rjw.lan> <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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190305120040.y2vmnxrch6kgya3e@queper01-lin> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 05, 2019 at 12:00:43PM +0000, Quentin Perret wrote: > And btw why do you need 9 steps to reach MAX starting from 128 ? If we > double the boost at each wakeup you'll do 128 -> 256 -> 512 -> 1024 no ? Argh; I'm so full of fail this week; 10-7=3.