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=-11.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 7A168C433E3 for ; Fri, 24 Jul 2020 07:08:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C85C2074A for ; Fri, 24 Jul 2020 07:08:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726716AbgGXHI2 (ORCPT ); Fri, 24 Jul 2020 03:08:28 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:54134 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726425AbgGXHI1 (ORCPT ); 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Fri, 24 Jul 2020 07:08:12 +0000 Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 06O789wk60293604 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 24 Jul 2020 07:08:09 GMT Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 05B376E052; Fri, 24 Jul 2020 07:08:11 +0000 (GMT) Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9F0876E050; Fri, 24 Jul 2020 07:08:10 +0000 (GMT) Received: from sofia.ibm.com (unknown [9.85.93.226]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP; Fri, 24 Jul 2020 07:08:10 +0000 (GMT) Received: by sofia.ibm.com (Postfix, from userid 1000) id 6DBF82E340E; Fri, 24 Jul 2020 12:38:05 +0530 (IST) Date: Fri, 24 Jul 2020 12:38:05 +0530 From: Gautham R Shenoy To: Srikar Dronamraju Cc: Michael Ellerman , linuxppc-dev , LKML , Nicholas Piggin , Anton Blanchard , "Oliver O'Halloran" , Nathan Lynch , Michael Neuling , Gautham R Shenoy , Ingo Molnar , Peter Zijlstra , Valentin Schneider , Jordan Niethe Subject: Re: [PATCH v3 04/10] powerpc/smp: Move topology fixups into a new function Message-ID: <20200724070805.GB21415@in.ibm.com> Reply-To: ego@linux.vnet.ibm.com References: <20200723085116.4731-1-srikar@linux.vnet.ibm.com> <20200723085116.4731-5-srikar@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200723085116.4731-5-srikar@linux.vnet.ibm.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-07-24_01:2020-07-24,2020-07-23 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 suspectscore=0 malwarescore=0 adultscore=0 phishscore=0 spamscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007240047 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 23, 2020 at 02:21:10PM +0530, Srikar Dronamraju wrote: > 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 > Signed-off-by: Srikar Dronamraju Reviewed-by: Gautham R. Shenoy > --- > 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 a685915e5941..da27f6909be1 100644 > --- a/arch/powerpc/kernel/smp.c > +++ b/arch/powerpc/kernel/smp.c > @@ -1368,6 +1368,16 @@ 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) > { > /* > @@ -1381,12 +1391,7 @@ 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 > 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=-11.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 4C015C433E4 for ; Fri, 24 Jul 2020 07:10:23 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 070F3206D7 for ; Fri, 24 Jul 2020 07:10:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 070F3206D7 Authentication-Results: mail.kernel.org; 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Fri, 24 Jul 2020 07:08:12 +0000 Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 06O789wk60293604 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 24 Jul 2020 07:08:09 GMT Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 05B376E052; Fri, 24 Jul 2020 07:08:11 +0000 (GMT) Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9F0876E050; Fri, 24 Jul 2020 07:08:10 +0000 (GMT) Received: from sofia.ibm.com (unknown [9.85.93.226]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP; Fri, 24 Jul 2020 07:08:10 +0000 (GMT) Received: by sofia.ibm.com (Postfix, from userid 1000) id 6DBF82E340E; Fri, 24 Jul 2020 12:38:05 +0530 (IST) Date: Fri, 24 Jul 2020 12:38:05 +0530 From: Gautham R Shenoy To: Srikar Dronamraju Subject: Re: [PATCH v3 04/10] powerpc/smp: Move topology fixups into a new function Message-ID: <20200724070805.GB21415@in.ibm.com> References: <20200723085116.4731-1-srikar@linux.vnet.ibm.com> <20200723085116.4731-5-srikar@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200723085116.4731-5-srikar@linux.vnet.ibm.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-24_01:2020-07-24, 2020-07-23 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 suspectscore=0 malwarescore=0 adultscore=0 phishscore=0 spamscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007240047 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: ego@linux.vnet.ibm.com Cc: Nathan Lynch , Gautham R Shenoy , Michael Neuling , Peter Zijlstra , LKML , Nicholas Piggin , Valentin Schneider , Oliver O'Halloran , Jordan Niethe , linuxppc-dev , Ingo Molnar Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Thu, Jul 23, 2020 at 02:21:10PM +0530, Srikar Dronamraju wrote: > 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 > Signed-off-by: Srikar Dronamraju Reviewed-by: Gautham R. Shenoy > --- > 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 a685915e5941..da27f6909be1 100644 > --- a/arch/powerpc/kernel/smp.c > +++ b/arch/powerpc/kernel/smp.c > @@ -1368,6 +1368,16 @@ 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) > { > /* > @@ -1381,12 +1391,7 @@ 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 >