Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp4108132pxa; Mon, 10 Aug 2020 00:23:01 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyIpQewyqBErvF1k6Q1mGzBJLiSaT0zS+CR5zx3iype9QnTqvu6fq4hJI3GnzNcGsb+VSD0 X-Received: by 2002:aa7:da46:: with SMTP id w6mr20075369eds.7.1597044181554; Mon, 10 Aug 2020 00:23:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1597044181; cv=none; d=google.com; s=arc-20160816; b=kNEwtWL+ommM+Oo/zaKAqTN+zEivsdLvfxkBF5OdUbf9MorsQCEHs1lLhNlnMy3g5n nn0OmwOCjylAP+53bIhbUcfBvVW+gOyTadkhUoyLZj/9ekI6eX7E8+XZl/CzIx5GA2Gi qbdBUaoP9IWVP0OIW23fUSYmofClk9OegQwKGZp3uOLcGyAFUv1oiNvxQkQTUaTdF7QR YuyT8+V+p5CLQqGKSf6gA0BoMQDI8sK2YZDNLHFfTlzkLrB+RAE6iOAEFnwE8iD+zmnj 7P1mlSPF/efo9/S4Ui6P9RTldl7iTjNEI7K5vKbsx5QhuZSObpM0yl6LM8fdWXBTaEJ6 Oxsw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=t3soMnOJMu+bTk8S0UIMCSuzfKtkrvOBiH63xcP/86c=; b=xvCikXrwEWTOaXeTOgFxP+XxMeua/U3g2JTFTs40UeljUbKTnZtmd6RDSlS041HR3V NxGaFQLzdPEfWDhmpPQyYTJC9yJQttEGBS8re36xTY/YKz1ptjw1ji2LvlCtQ7CuAJd7 8I0KAPVBnOWyT3cGOipJXIrtTHSSid7LSFcjqFQqFWA7DlYwkwoSrwk1JYziPqUVxNSJ V/lbLa7FzEqHHOwO8NJ9+GpAVucA1UyK0ZgMX+7o2GQEJOSmcr0PFqRKmI8TRN/H6O/l OcSqmmOuVdeR937F5Fv2tREz574UO+m3p1d1GMvXAyxh5B/ulDBDiZIlM1EHsQiBKnnW Am2Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b=jmZk2AY0; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ibm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id n23si8349496ejj.194.2020.08.10.00.22.39; Mon, 10 Aug 2020 00:23:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b=jmZk2AY0; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726396AbgHJHTZ (ORCPT + 99 others); Mon, 10 Aug 2020 03:19:25 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:20560 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726350AbgHJHTX (ORCPT ); Mon, 10 Aug 2020 03:19:23 -0400 Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 07A72TPT181588; Mon, 10 Aug 2020 03:19:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=t3soMnOJMu+bTk8S0UIMCSuzfKtkrvOBiH63xcP/86c=; b=jmZk2AY0/pnT48Y1QBHj67IB7vBMytDKw58zqNpodfnIW8mgns8dmqG/eWyLzgXyahl+ rPo/xzIqdBM7H9Jygh+KgycyqjkFOlRiGl62Be8ceQ8JBTtAQOQF5mwtCCk8nuil5pJo 640GLMdagfD9KW+oU/zBeiQ9VricOKDlBoOACMDLOdxZeOU4laVpma1dvsB7WcXIFpnB QMGPJPmsTXomflvYQhrQ8AN/XNkAYk9wOAhVlShYhd1r8BxZfbUa2zNMZHUJpVfi8a9F vrF7N8Mgr8FlSMyrr7HAKLtQ1a6ub7i7azlfsm90CMaK5nCRX4Aoz+13C0h1ch139/Dq 8A== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 32t93q1rtd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 10 Aug 2020 03:19:05 -0400 Received: from m0127361.ppops.net (m0127361.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 07A72aF6182398; Mon, 10 Aug 2020 03:19:00 -0400 Received: from ppma03ams.nl.ibm.com (62.31.33a9.ip4.static.sl-reverse.com [169.51.49.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 32t93q1rs2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 10 Aug 2020 03:19:00 -0400 Received: from pps.filterd (ppma03ams.nl.ibm.com [127.0.0.1]) by ppma03ams.nl.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 07A7EgMO012607; Mon, 10 Aug 2020 07:18:58 GMT Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by ppma03ams.nl.ibm.com with ESMTP id 32skp89ygk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 10 Aug 2020 07:18:57 +0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 07A7ItiG22348046 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 10 Aug 2020 07:18:55 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0538B11C050; Mon, 10 Aug 2020 07:18:55 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 40F1C11C04A; Mon, 10 Aug 2020 07:18:52 +0000 (GMT) Received: from srikart450.in.ibm.com (unknown [9.102.18.208]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 10 Aug 2020 07:18:52 +0000 (GMT) From: Srikar Dronamraju To: Michael Ellerman Cc: linuxppc-dev , Srikar Dronamraju , LKML , Nicholas Piggin , Anton Blanchard , "Oliver O'Halloran" , Nathan Lynch , Michael Neuling , Gautham R Shenoy , Ingo Molnar , Peter Zijlstra , Valentin Schneider , Jordan Niethe , Vaidyanathan Srinivasan Subject: [PATCH v5 04/10] powerpc/smp: Move topology fixups into a new function Date: Mon, 10 Aug 2020 12:48:28 +0530 Message-Id: <20200810071834.92514-5-srikar@linux.vnet.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200810071834.92514-1-srikar@linux.vnet.ibm.com> References: <20200810071834.92514-1-srikar@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-08-10_02:2020-08-06,2020-08-10 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 malwarescore=0 adultscore=0 mlxscore=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 mlxlogscore=999 impostorscore=0 phishscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2008100048 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Move topology fixup based on the platform attributes into its own function which is called just before set_sched_topology. Cc: linuxppc-dev Cc: LKML Cc: Michael Ellerman Cc: Nicholas Piggin Cc: Anton Blanchard Cc: Oliver O'Halloran Cc: Nathan Lynch Cc: Michael Neuling Cc: Gautham R Shenoy Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Valentin Schneider Cc: Jordan Niethe Cc: Vaidyanathan Srinivasan Reviewed-by: Gautham R. Shenoy Signed-off-by: Srikar Dronamraju --- Changelog v2 -> v3: Rewrote changelog (Gautham) Renamed to powerpc/smp: Move topology fixups into a new function arch/powerpc/kernel/smp.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 39224a042468..b13161a5ffc3 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -1362,6 +1362,16 @@ int setup_profiling_timer(unsigned int multiplier) return 0; } +static void fixup_topology(void) +{ +#ifdef CONFIG_SCHED_SMT + if (has_big_cores) { + pr_info("Big cores detected but using small core scheduling\n"); + powerpc_topology[0].mask = smallcore_smt_mask; + } +#endif +} + void __init smp_cpus_done(unsigned int max_cpus) { /* @@ -1375,12 +1385,7 @@ void __init smp_cpus_done(unsigned int max_cpus) dump_numa_cpu_topology(); -#ifdef CONFIG_SCHED_SMT - if (has_big_cores) { - pr_info("Big cores detected but using small core scheduling\n"); - powerpc_topology[0].mask = smallcore_smt_mask; - } -#endif + fixup_topology(); set_sched_topology(powerpc_topology); } -- 2.18.2