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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 4F0F6ECE58D for ; Mon, 7 Oct 2019 08:31:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2872E21D56 for ; Mon, 7 Oct 2019 08:31:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727607AbfJGIbV (ORCPT ); Mon, 7 Oct 2019 04:31:21 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:27262 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727581AbfJGIbS (ORCPT ); Mon, 7 Oct 2019 04:31:18 -0400 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x978SLHM100522 for ; Mon, 7 Oct 2019 04:31:18 -0400 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0a-001b2d01.pphosted.com with ESMTP id 2vg097tx47-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 07 Oct 2019 04:31:17 -0400 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 7 Oct 2019 09:31:11 +0100 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x978VAbY40239290 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 7 Oct 2019 08:31:10 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E54A211C050; Mon, 7 Oct 2019 08:31:09 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A2C6111C054; Mon, 7 Oct 2019 08:31:07 +0000 (GMT) Received: from localhost.in.ibm.com (unknown [9.124.35.220]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 7 Oct 2019 08:31:07 +0000 (GMT) From: Parth Shah To: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Cc: peterz@infradead.org, mingo@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, patrick.bellasi@matbug.net, valentin.schneider@arm.com, pavel@ucw.cz, dsmythies@telus.net, quentin.perret@arm.com, rafael.j.wysocki@intel.com, tim.c.chen@linux.intel.com, daniel.lezcano@linaro.org Subject: [RFC v5 6/6] powerpc: Set turbo domain to NUMA node for task packing Date: Mon, 7 Oct 2019 14:00:51 +0530 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191007083051.4820-1-parth@linux.ibm.com> References: <20191007083051.4820-1-parth@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19100708-0028-0000-0000-000003A6BE4F X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19100708-0029-0000-0000-00002468CDD2 Message-Id: <20191007083051.4820-7-parth@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-10-07_01:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910070088 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Provide an powerpc architecture specific implementation for defining the turbo domain to make searching of the core to be bound within the NUMA. The POWER9 systems have a pair of cores in the LLC domain. Hence to make TurboSched more effective, increase the domain space for task packing to search within NUMA domain. Signed-off-by: Parth Shah --- arch/powerpc/include/asm/topology.h | 3 +++ arch/powerpc/kernel/smp.c | 7 +++++++ 2 files changed, 10 insertions(+) diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index f85e2b01c3df..b2493bb11653 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -132,6 +132,9 @@ static inline void shared_proc_topology_init(void) {} #define topology_sibling_cpumask(cpu) (per_cpu(cpu_sibling_map, cpu)) #define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu)) #define topology_core_id(cpu) (cpu_to_core_id(cpu)) +#define arch_turbo_domain powerpc_turbo_domain + +struct cpumask *powerpc_turbo_domain(int cpu); int dlpar_cpu_readd(int cpu); #endif diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index ea6adbf6a221..0fc4443a3f27 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -1169,6 +1169,13 @@ static void remove_cpu_from_masks(int cpu) } #endif +#ifdef CONFIG_SCHED_SMT +inline struct cpumask *powerpc_turbo_domain(int cpu) +{ + return cpumask_of_node(cpu_to_node(cpu)); +} +#endif + static inline void add_cpu_to_smallcore_masks(int cpu) { struct cpumask *this_l1_cache_map = per_cpu(cpu_l1_cache_map, cpu); -- 2.17.1