{"id":808747,"url":"http://patchwork.ozlabs.org/api/1.0/patches/808747/?format=json","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/1.0/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/"},"msgid":"<067ca4f6-3181-6c6d-32cf-7164fe2c715d@linux.vnet.ibm.com>","date":"2017-09-01T15:48:08","name":"[V13,2/4] powerpc/vphn: Improve recognition of PRRN/VPHN","commit_ref":null,"pull_url":null,"state":"superseded","archived":true,"hash":"bacb66c426f22c511c30f874239bcd8ce66c5216","submitter":{"id":65104,"url":"http://patchwork.ozlabs.org/api/1.0/people/65104/?format=json","name":"Michael Bringmann","email":"mwb@linux.vnet.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/067ca4f6-3181-6c6d-32cf-7164fe2c715d@linux.vnet.ibm.com/mbox/","series":[{"id":1053,"url":"http://patchwork.ozlabs.org/api/1.0/series/1053/?format=json","date":"2017-09-01T15:47:31","name":"powerpc/vphn: Update CPU topology when VPHN enabled","version":13,"mbox":"http://patchwork.ozlabs.org/series/1053/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/808747/checks/","tags":{},"headers":{"Return-Path":"<linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org>","X-Original-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Received":["from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xkNzq6Bd1z9t3P\n\tfor <patchwork-incoming@ozlabs.org>;\n\tSat,  2 Sep 2017 01:52:39 +1000 (AEST)","from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xkNzq5317zDqlM\n\tfor <patchwork-incoming@ozlabs.org>;\n\tSat,  2 Sep 2017 01:52:39 +1000 (AEST)","from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com\n\t[148.163.156.1])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3xkNtk49JtzDqkc\n\tfor <linuxppc-dev@lists.ozlabs.org>;\n\tSat,  2 Sep 2017 01:48:14 +1000 (AEST)","from pps.filterd (m0098396.ppops.net [127.0.0.1])\n\tby mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv81FhtVr044337\n\tfor <linuxppc-dev@lists.ozlabs.org>; Fri, 1 Sep 2017 11:48:12 -0400","from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154])\n\tby mx0a-001b2d01.pphosted.com with ESMTP id 2cqa8e94yf-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor <linuxppc-dev@lists.ozlabs.org>; Fri, 01 Sep 2017 11:48:11 -0400","from localhost\n\tby e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! 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Violators will be prosecuted; \n\tFri, 1 Sep 2017 09:48:09 -0600","from b03ledav004.gho.boulder.ibm.com\n\t(b03ledav004.gho.boulder.ibm.com [9.17.130.235])\n\tby b03cxnp08028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with\n\tESMTP id v81Fm9uq31916130; Fri, 1 Sep 2017 08:48:09 -0700","from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id E2ECE7803F;\n\tFri,  1 Sep 2017 09:48:08 -0600 (MDT)","from oc1554177480.ibm.com (unknown [9.53.92.230])\n\tby b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTP id 903DE78043;\n\tFri,  1 Sep 2017 09:48:08 -0600 (MDT)"],"To":"linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org","From":"Michael Bringmann <mwb@linux.vnet.ibm.com>","Subject":"[PATCH V13 2/4] powerpc/vphn: Improve recognition of PRRN/VPHN","Organization":"IBM Linux Technology Center","In-Reply-To":"<fc21bb6f-9df8-ab7d-5987-6bdce5d39842@linux.vnet.ibm.com>","Date":"Fri, 1 Sep 2017 10:48:08 -0500","User-Agent":"Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101\n\tThunderbird/52.2.0","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Language":"en-US","Content-Transfer-Encoding":"8bit","X-TM-AS-GCONF":"00","x-cbid":"17090115-0020-0000-0000-00000CA606F4","X-IBM-SpamModules-Scores":"","X-IBM-SpamModules-Versions":"BY=3.00007647; HX=3.00000241; KW=3.00000007;\n\tPH=3.00000004; SC=3.00000226; SDB=6.00910745; UDB=6.00456897;\n\tIPR=6.00691025; \n\tBA=6.00005563; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009;\n\tZB=6.00000000; \n\tZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00016962;\n\tXFM=3.00000015; UTC=2017-09-01 15:48:10","X-IBM-AV-DETECTION":"SAVI=unused REMOTE=unused XFE=unused","x-cbparentid":"17090115-0021-0000-0000-00005DF58426","Message-Id":"<067ca4f6-3181-6c6d-32cf-7164fe2c715d@linux.vnet.ibm.com>","X-Proofpoint-Virus-Version":"vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-09-01_04:, , signatures=0","X-Proofpoint-Spam-Details":"rule=outbound_notspam policy=outbound score=0\n\tspamscore=0 suspectscore=0\n\tmalwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam\n\tadjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000\n\tdefinitions=main-1709010225","X-BeenThere":"linuxppc-dev@lists.ozlabs.org","X-Mailman-Version":"2.1.23","Precedence":"list","List-Id":"Linux on PowerPC Developers Mail List\n\t<linuxppc-dev.lists.ozlabs.org>","List-Unsubscribe":"<https://lists.ozlabs.org/options/linuxppc-dev>,\n\t<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe>","List-Archive":"<http://lists.ozlabs.org/pipermail/linuxppc-dev/>","List-Post":"<mailto:linuxppc-dev@lists.ozlabs.org>","List-Help":"<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help>","List-Subscribe":"<https://lists.ozlabs.org/listinfo/linuxppc-dev>,\n\t<mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe>","Cc":"Nathan Fontenot <nfont@linux.vnet.ibm.com>,\n\tMichael Bringmann <mwb@linux.vnet.ibm.com>,\n\tJohn Allen <jallen@linux.vnet.ibm.com>","Errors-To":"linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org","Sender":"\"Linuxppc-dev\"\n\t<linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org>"},"content":"powerpc/vphn: On Power systems with shared configurations of CPUs\nand memory, there are some issues with the association of additional\nCPUs and memory to nodes when hot-adding resources.  This patch\nupdates the initialization checks to independently recognize PRRN\nor VPHN support.\n\nSigned-off-by: Michael Bringmann <mwb@linux.vnet.ibm.com>\n---\nChanges in V13:\n  -- Split patch to improve review\n---\n arch/powerpc/mm/numa.c |    6 ++++--\n 1 file changed, 4 insertions(+), 2 deletions(-)","diff":"diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c\nindex 312f6ee..c08d736 100644\n--- a/arch/powerpc/mm/numa.c\n+++ b/arch/powerpc/mm/numa.c\n@@ -1543,7 +1543,8 @@ int start_topology_update(void)\n \t\t\trc = of_reconfig_notifier_register(&dt_update_nb);\n #endif\n \t\t}\n-\t} else if (firmware_has_feature(FW_FEATURE_VPHN) &&\n+\t}\n+\tif (firmware_has_feature(FW_FEATURE_VPHN) &&\n \t\t   lppaca_shared_proc(get_lppaca())) {\n \t\tif (!vphn_enabled) {\n \t\t\tvphn_enabled = 1;\n@@ -1568,7 +1569,8 @@ int stop_topology_update(void)\n #ifdef CONFIG_SMP\n \t\trc = of_reconfig_notifier_unregister(&dt_update_nb);\n #endif\n-\t} else if (vphn_enabled) {\n+\t}\n+\tif (vphn_enabled) {\n \t\tvphn_enabled = 0;\n \t\trc = del_timer_sync(&topology_timer);\n \t}\n","prefixes":["V13","2/4"]}