| Message ID | 51cb9b87-4d98-33d3-b9d0-1e6126676028@linux.vnet.ibm.com (mailing list archive) |
|---|---|
| State | Superseded |
| 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 [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41PTV72hbyz9rvt for <patchwork-incoming@ozlabs.org>; Tue, 10 Jul 2018 01:17:51 +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 41PTV71DGmzDr2J for <patchwork-incoming@ozlabs.org>; Tue, 10 Jul 2018 01:17:51 +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=148.163.158.5; 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 (mx0b-001b2d01.pphosted.com [148.163.158.5]) (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 41PT4Z0kCDzDr4C for <linuxppc-dev@lists.ozlabs.org>; Tue, 10 Jul 2018 00:59:09 +1000 (AEST) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w69Ermdd146237 for <linuxppc-dev@lists.ozlabs.org>; Mon, 9 Jul 2018 10:59:07 -0400 Received: from e31.co.us.ibm.com (e31.co.us.ibm.com [32.97.110.149]) by mx0a-001b2d01.pphosted.com with ESMTP id 2k484qyarp-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for <linuxppc-dev@lists.ozlabs.org>; Mon, 09 Jul 2018 10:59:07 -0400 Received: from localhost by e31.co.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) Mon, 9 Jul 2018 08:59:03 -0600 Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp07028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w69Ex2sb14680360 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 9 Jul 2018 07:59:02 -0700 Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F16FA6E056; Mon, 9 Jul 2018 08:59:01 -0600 (MDT) Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 089EE6E050; Mon, 9 Jul 2018 08:59:01 -0600 (MDT) Received: from oc5000245537.ibm.com (unknown [9.53.92.201]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP; Mon, 9 Jul 2018 08:59:00 -0600 (MDT) From: Michael Bringmann <mwb@linux.vnet.ibm.com> Subject: [PATCH v06 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 6267b53..f5c9e8f 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -686,14 +686,18 @@ 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(+)