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 E3D1DC33CAA for ; Tue, 21 Jan 2020 06:33:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B82AA22522 for ; Tue, 21 Jan 2020 06:33:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729044AbgAUGdc (ORCPT ); Tue, 21 Jan 2020 01:33:32 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:32022 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729022AbgAUGd3 (ORCPT ); Tue, 21 Jan 2020 01:33:29 -0500 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 00L6X7E8133353 for ; Tue, 21 Jan 2020 01:33:28 -0500 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0b-001b2d01.pphosted.com with ESMTP id 2xmg3amjqr-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 21 Jan 2020 01:33:28 -0500 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) Tue, 21 Jan 2020 06:33:22 -0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 00L6XLc546465060 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 21 Jan 2020 06:33:21 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B48D2A4053; Tue, 21 Jan 2020 06:33:21 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B4B7EA405D; Tue, 21 Jan 2020 06:33:19 +0000 (GMT) Received: from localhost.in.ibm.com (unknown [9.124.35.158]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 21 Jan 2020 06:33:19 +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, qperret@google.com, tim.c.chen@linux.intel.com Subject: [RFC v6 5/5] powerpc: Set turbo domain to NUMA node for task packing Date: Tue, 21 Jan 2020 12:03:07 +0530 X-Mailer: git-send-email 2.17.2 In-Reply-To: <20200121063307.17221-1-parth@linux.ibm.com> References: <20200121063307.17221-1-parth@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 20012106-0028-0000-0000-000003D2FBE0 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20012106-0029-0000-0000-000024972F72 Message-Id: <20200121063307.17221-6-parth@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-01-21_01:2020-01-20,2020-01-21 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 impostorscore=0 phishscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 mlxscore=0 priorityscore=1501 mlxlogscore=999 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-2001210056 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 2f7e1ea5089e..83adfb99f8ba 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -138,6 +138,9 @@ 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); -- 2.17.2