From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752344AbaDLM42 (ORCPT ); Sat, 12 Apr 2014 08:56:28 -0400 Received: from service87.mimecast.com ([91.220.42.44]:58038 "EHLO service87.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750799AbaDLM4X convert rfc822-to-8bit (ORCPT ); Sat, 12 Apr 2014 08:56:23 -0400 Message-ID: <534937F0.3020702@arm.com> Date: Sat, 12 Apr 2014 13:56:16 +0100 From: Dietmar Eggemann User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Vincent Guittot , "peterz@infradead.org" , "mingo@kernel.org" , "linux-kernel@vger.kernel.org" , "tony.luck@intel.com" , "fenghua.yu@intel.com" , "schwidefsky@de.ibm.com" , "cmetcalf@tilera.com" , "benh@kernel.crashing.org" , "linux@arm.linux.org.uk" , "linux-arm-kernel@lists.infradead.org" CC: "preeti@linux.vnet.ibm.com" , "linaro-kernel@lists.linaro.org" Subject: Re: [PATCH v4 0/5] rework sched_domain topology description References: <1397209481-28542-1-git-send-email-vincent.guittot@linaro.org> In-Reply-To: <1397209481-28542-1-git-send-email-vincent.guittot@linaro.org> X-OriginalArrivalTime: 12 Apr 2014 12:56:32.0156 (UTC) FILETIME=[A0C24DC0:01CF564E] X-MC-Unique: 114041213562000201 Content-Type: text/plain; charset=WINDOWS-1252; format=flowed Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/04/14 10:44, Vincent Guittot wrote: > This patchset was previously part of the larger tasks packing patchset [1]. > I have splitted the latter in 3 different patchsets (at least) to make the > thing easier. > -configuration of sched_domain topology (this patchset) > -update and consolidation of cpu_power > -tasks packing algorithm > > Based on Peter Z's proposal [2][3], this patchset modifies the way to configure > the sched_domain level in order to let architectures to add specific level like > the current BOOK level or the proposed power gating level for ARM architecture. > > [1] https://lkml.org/lkml/2013/10/18/121 > [2] https://lkml.org/lkml/2013/11/5/239 > [3] https://lkml.org/lkml/2013/11/5/449 Hi Vincent, given the discussion we had for v1-v3 and a short boot test of v4: For patch 1/5, 4/5, 5/5 on ARM TC2 (heterogeneous dual socket w/o SMT machine): Reviewed-by: Dietmar Eggemann Tested-by: Dietmar Eggemann Cheers, -- Dietmar > > Change since v3: > - remove last patch which was adding SD_SHARE_POWER_DOMAIN for powerpc's SMT > level > > Change since v2: > - remove patch 1 as it has been already applied to metag tree for v3.15 > - updates some commit messages > - add new flag description in TOPOLOGY_SD_FLAGS description > > Change since v1: > - move sched_domains_curr_level back under #ifdef CONFIG_NUMA > - use function pointer to set flag instead of a plain value. > - add list of tunable flags in the commit message of patch 2 > - add SD_SHARE_POWER_DOMAIN flag for powerpc's SMT level > > Vincent Guittot (5): > sched: rework of sched_domain topology definition > sched: s390: create a dedicated topology table > sched: powerpc: create a dedicated topology table > sched: add a new SD_SHARE_POWERDOMAIN for sched_domain > sched: ARM: create a dedicated scheduler topology table > > arch/arm/kernel/topology.c | 26 +++++ > arch/ia64/include/asm/topology.h | 24 ---- > arch/powerpc/kernel/smp.c | 31 +++-- > arch/s390/include/asm/topology.h | 13 +-- > arch/s390/kernel/topology.c | 20 ++++ > arch/tile/include/asm/topology.h | 33 ------ > include/linux/sched.h | 49 +++++++- > include/linux/topology.h | 128 +++----------------- > kernel/sched/core.c | 244 ++++++++++++++++++++------------------- > 9 files changed, 255 insertions(+), 313 deletions(-) >