| Message ID | 78aef3e8-f659-a783-8db2-7b5172971205@linux.vnet.ibm.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show
Return-Path: <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41S4WL1mLCz9ryt for <patchwork-incoming@ozlabs.org>; Sat, 14 Jul 2018 06:42:54 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.vnet.ibm.com Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 41S4WL0V24zF35Z for <patchwork-incoming@ozlabs.org>; Sat, 14 Jul 2018 06:42:54 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.vnet.ibm.com X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=none (mailfrom) smtp.mailfrom=linux.vnet.ibm.com (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=mwb@linux.vnet.ibm.com; receiver=<UNKNOWN>) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.vnet.ibm.com Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 41S3z81SQMzF35k for <linuxppc-dev@lists.ozlabs.org>; Sat, 14 Jul 2018 06:18:28 +1000 (AEST) Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w6DKFlf3110237 for <linuxppc-dev@lists.ozlabs.org>; Fri, 13 Jul 2018 16:18:25 -0400 Received: from e13.ny.us.ibm.com (e13.ny.us.ibm.com [129.33.205.203]) by mx0a-001b2d01.pphosted.com with ESMTP id 2k6yvf7bfj-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for <linuxppc-dev@lists.ozlabs.org>; Fri, 13 Jul 2018 16:18:25 -0400 Received: from localhost by e13.ny.us.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) Fri, 13 Jul 2018 16:18:21 -0400 Received: from b01ledav002.gho.pok.ibm.com (b01ledav002.gho.pok.ibm.com [9.57.199.107]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w6DKILpm10289612 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 13 Jul 2018 20:18:21 GMT Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 43812124053; Fri, 13 Jul 2018 17:19:57 -0400 (EDT) Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AFA9D124052; Fri, 13 Jul 2018 17:19:56 -0400 (EDT) Received: from oc5000245537.ibm.com (unknown [9.85.171.16]) by b01ledav002.gho.pok.ibm.com (Postfix) with ESMTP; Fri, 13 Jul 2018 17:19:56 -0400 (EDT) From: Michael Bringmann <mwb@linux.vnet.ibm.com> Subject: [PATCH v07 8/9] hotplug/rtas: No rtas_event_scan during PMT update Openpgp: preference=signencrypt Autocrypt: addr=mwb@linux.vnet.ibm.com; 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| Series |
powerpc/hotplug: Update affinity for migrated CPUs
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expand
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diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index df1791b..09633de 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -685,14 +685,18 @@ static int dlpar_cpu_readd_by_index(u32 drc_index) pr_info("Attempting to re-add CPU, drc index %x\n", drc_index); + rtas_event_scan_disable(); arch_update_cpu_topology_suspend(); rc = dlpar_cpu_remove_by_index(drc_index, false); arch_update_cpu_topology_resume(); + rtas_event_scan_enable(); if (!rc) { + rtas_event_scan_disable(); arch_update_cpu_topology_suspend(); rc = dlpar_cpu_add(drc_index, false); arch_update_cpu_topology_resume(); + rtas_event_scan_enable(); } if (rc)
hotplug/rtas: Disable rtas_event_scan during device-tree property updates after migration to reduce conflicts with changes propagated to other parts of the kernel configuration, such as CPUs or memory. Signed-off-by: Michael Bringmann <mwb@linux.vnet.ibm.com> --- arch/powerpc/platforms/pseries/hotplug-cpu.c | 4 ++++ 1 file changed, 4 insertions(+)