From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755453Ab2AIOfa (ORCPT ); Mon, 9 Jan 2012 09:35:30 -0500 Received: from merlin.infradead.org ([205.233.59.134]:50833 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754807Ab2AIOf3 convert rfc822-to-8bit (ORCPT ); Mon, 9 Jan 2012 09:35:29 -0500 Message-ID: <1326119707.2442.77.camel@twins> Subject: Re: [PATCH] x86,sched: Fix sched_smt_power_savings totally broken From: Peter Zijlstra To: svaidy@linux.vnet.ibm.com Cc: Youquan Song , linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de, hpa@zytor.com, akpm@linux-foundation.org, stable@vger.kernel.org, suresh.b.siddha@intel.com, arjan@linux.intel.com, len.brown@intel.com, anhua.xu@intel.com, chaohong.guo@intel.com, Youquan Song , Paul Turner Date: Mon, 09 Jan 2012 15:35:07 +0100 In-Reply-To: <20120109110025.GA7988@dirshya.in.ibm.com> References: <1326099367-4166-1-git-send-email-youquan.song@intel.com> <1326103578.2442.50.camel@twins> <1326104915.2442.53.camel@twins> <20120109110025.GA7988@dirshya.in.ibm.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Mailer: Evolution 3.2.1- Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2012-01-09 at 16:30 +0530, Vaidyanathan Srinivasan wrote: > Lets combine the MC/SMT options and create sched_powersavings={0,1,2} > That will make it only one sysfs knob without any dependencies. > Is there really any sane rationale to keep the 1/2 thing? Why not have a single boolean knob that says performance/power?