From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757857AbaISTPs (ORCPT ); Fri, 19 Sep 2014 15:15:48 -0400 Received: from www.sr71.net ([198.145.64.142]:55369 "EHLO blackbird.sr71.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757595AbaISTPr (ORCPT ); Fri, 19 Sep 2014 15:15:47 -0400 Message-ID: <541C80E1.9040601@sr71.net> Date: Fri, 19 Sep 2014 12:15:45 -0700 From: Dave Hansen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Peter Zijlstra CC: mingo@kernel.org, hpa@linux.intel.com, brice.goglin@gmail.com, bp@alien8.de, linux-kernel@vger.kernel.org, dave.hansen@linux.intel.com Subject: Re: [RFC][PATCH 6/6] sched: consolidate config options References: <20140917223310.026BCC2C@viggo.jf.intel.com> <20140917223320.2FF9CF11@viggo.jf.intel.com> <20140918172944.GT2840@worktop.localdomain> In-Reply-To: <20140918172944.GT2840@worktop.localdomain> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/18/2014 10:29 AM, Peter Zijlstra wrote: >> > +config SCHED_BOOK >> > + def_bool y >> > + prompt "Book scheduler support" >> > + depends on ARCH_ENABLE_SCHED_BOOK >> > + select SCHED_MC >> > + help >> > + Book scheduler support improves the CPU scheduler's decision making >> > + when dealing with machines that have several books. >> > + >> > + Currenltly only used on s390 which has only a single NUMA node. >> > + Books are collections of CPUs that are grouped similarly to a NUMA >> > + node, but without the same memory properites that NUMA nodes have. > Nothing outside of s390 knows about SCHED_BOOK, it doesn't make sense to > have that here. By sticking all of them together, my hope was that folks who were going to add a topology level could see all of the existing options in a single place. But, just say the word and I'll yank it out and repost.