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GET /api/patches/811826/?format=api
{ "id": 811826, "url": "http://patchwork.ozlabs.org/api/patches/811826/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/8ec7369b-86a7-83ba-8ba0-e37c285e1239@linux.vnet.ibm.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api", "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/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<8ec7369b-86a7-83ba-8ba0-e37c285e1239@linux.vnet.ibm.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/8ec7369b-86a7-83ba-8ba0-e37c285e1239@linux.vnet.ibm.com/", "date": "2017-09-08T20:47:36", "name": "[V14,2/4] powerpc/vphn: Improve recognition of PRRN/VPHN", "commit_ref": "a3496e9137f6f58439da29a761725e083229c4a8", "pull_url": null, "state": "accepted", "archived": false, "hash": "c47fb62bedc62886e5dfcc49e6c8a3ad80020cd3", "submitter": { "id": 65104, "url": "http://patchwork.ozlabs.org/api/people/65104/?format=api", "name": "Michael Bringmann", "email": "mwb@linux.vnet.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/8ec7369b-86a7-83ba-8ba0-e37c285e1239@linux.vnet.ibm.com/mbox/", "series": [ { "id": 2289, "url": "http://patchwork.ozlabs.org/api/series/2289/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=2289", "date": "2017-09-08T20:47:01", "name": "powerpc/vphn: Update CPU topology when VPHN enabled", "version": 14, "mbox": "http://patchwork.ozlabs.org/series/2289/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/811826/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/811826/checks/", "tags": {}, "related": [], "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 3xpqK449Qsz9sBW\n\tfor <patchwork-incoming@ozlabs.org>;\n\tSat, 9 Sep 2017 06:52:56 +1000 (AEST)", "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xpqK42vt0zDrcW\n\tfor <patchwork-incoming@ozlabs.org>;\n\tSat, 9 Sep 2017 06:52:56 +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 3xpqC40sKFzDrcR\n\tfor <linuxppc-dev@lists.ozlabs.org>;\n\tSat, 9 Sep 2017 06:47:43 +1000 (AEST)", "from pps.filterd (m0098394.ppops.net [127.0.0.1])\n\tby mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv88KlWwM084248\n\tfor <linuxppc-dev@lists.ozlabs.org>; Fri, 8 Sep 2017 16:47:41 -0400", "from e32.co.us.ibm.com (e32.co.us.ibm.com [32.97.110.150])\n\tby mx0a-001b2d01.pphosted.com with ESMTP id 2cux2tkumy-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor <linuxppc-dev@lists.ozlabs.org>; Fri, 08 Sep 2017 16:47:41 -0400", "from localhost\n\tby e32.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! 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Violators will be prosecuted; \n\tFri, 8 Sep 2017 14:47:39 -0600", "from b03ledav002.gho.boulder.ibm.com\n\t(b03ledav002.gho.boulder.ibm.com [9.17.130.233])\n\tby b03cxnp07028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with\n\tESMTP id v88Klc2J5112220; Fri, 8 Sep 2017 13:47:38 -0700", "from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id AA0B4136043;\n\tFri, 8 Sep 2017 14:47:38 -0600 (MDT)", "from oc1554177480.ibm.com (unknown [9.80.201.155])\n\tby b03ledav002.gho.boulder.ibm.com (Postfix) with ESMTP id\n\t9F63F13603A; Fri, 8 Sep 2017 14:47:37 -0600 (MDT)" ], "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=linux.vnet.ibm.com\n\t(client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com;\n\tenvelope-from=mwb@linux.vnet.ibm.com; receiver=<UNKNOWN>)", "To": "linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org", "From": "Michael Bringmann <mwb@linux.vnet.ibm.com>", "Subject": "[PATCH V14 2/4] powerpc/vphn: Improve recognition of PRRN/VPHN", "Organization": "IBM Linux Technology Center", "In-Reply-To": "<74fb879c-19bf-3abf-4491-1f0db162e7d8@linux.vnet.ibm.com>", "Date": "Fri, 8 Sep 2017 15:47:36 -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": "17090820-0004-0000-0000-000012E56191", "X-IBM-SpamModules-Scores": "", "X-IBM-SpamModules-Versions": "BY=3.00007691; HX=3.00000241; KW=3.00000007;\n\tPH=3.00000004; SC=3.00000227; SDB=6.00914193; UDB=6.00458905;\n\tIPR=6.00694451; \n\tBA=6.00005576; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009;\n\tZB=6.00000000; \n\tZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00017073;\n\tXFM=3.00000015; UTC=2017-09-08 20:47:40", "X-IBM-AV-DETECTION": "SAVI=unused REMOTE=unused XFE=unused", "x-cbparentid": "17090820-0005-0000-0000-00008403B116", "Message-Id": "<8ec7369b-86a7-83ba-8ba0-e37c285e1239@linux.vnet.ibm.com>", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-09-08_13:, , 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-1709080310", "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 V14:\n -- Code cleanup to reduce patch sizes\n---\n arch/powerpc/mm/numa.c | 8 ++++----\n 1 file changed, 4 insertions(+), 4 deletions(-)", "diff": "diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c\nindex 3ae031d..5f5ff46 100644\n--- a/arch/powerpc/mm/numa.c\n+++ b/arch/powerpc/mm/numa.c\n@@ -1531,15 +1531,14 @@ int start_topology_update(void)\n \tif (firmware_has_feature(FW_FEATURE_PRRN)) {\n \t\tif (!prrn_enabled) {\n \t\t\tprrn_enabled = 1;\n-\t\t\tvphn_enabled = 0;\n #ifdef CONFIG_SMP\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\tprrn_enabled = 0;\n \t\t\tvphn_enabled = 1;\n \t\t\tsetup_cpu_associativity_change_counters();\n \t\t\tinit_timer_deferrable(&topology_timer);\n@@ -1562,7 +1561,8 @@ 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": [ "V14", "2/4" ] }