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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 14 Nov 2018 14:13:43 -0000 Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id wAEEDgSo15401062 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 14 Nov 2018 14:13:42 GMT Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 05C626E050; Wed, 14 Nov 2018 14:13:42 +0000 (GMT) Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C89276E054; Wed, 14 Nov 2018 14:13:40 +0000 (GMT) Received: from oc5000245537.ibm.com (unknown [9.53.179.211]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP; Wed, 14 Nov 2018 14:13:40 +0000 (GMT) Subject: Re: [PATCH] powerpc/numa: Perform full re-add of CPU for PRRN/VPHN topology update To: Srikar Dronamraju References: <7c3c840a-8a79-b639-185c-ce6d2e378850@linux.vnet.ibm.com> <20181113083902.GA24474@linux.vnet.ibm.com> From: Michael Bringmann Openpgp: preference=signencrypt Autocrypt: addr=mwb@linux.vnet.ibm.com; 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Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20181113083902.GA24474@linux.vnet.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 18111414-8235-0000-0000-00000E2722F7 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010048; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000270; SDB=6.01117340; UDB=6.00579530; IPR=6.00897449; MB=3.00024160; MTD=3.00000008; XFM=3.00000015; UTC=2018-11-14 14:13:46 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18111414-8236-0000-0000-0000435A789B Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-11-14_11:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1811140129 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: , Cc: Rob Herring , Kees Cook , Nicholas Piggin , Al Viro , Juliet Kim , Paul Mackerras , Tyrel Datwyler , Thomas Falcon , Oliver O'Halloran , "open list:LINUX FOR POWERPC \(32-BIT AND 64-BIT\)" , Guenter Roeck , Corentin Labbe Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 11/13/2018 02:39 AM, Srikar Dronamraju wrote: >> -static void topology_work_fn(struct work_struct *work) >> -{ >> - rebuild_sched_domains(); >> + if (changed) >> + rebuild_sched_domains(); >> } >> static DECLARE_WORK(topology_work, topology_work_fn); >> >> @@ -1553,7 +1424,6 @@ void __init shared_proc_topology_init(void) >> if (lppaca_shared_proc(get_lppaca())) { >> bitmap_fill(cpumask_bits(&cpu_associativity_changes_mask), >> nr_cpumask_bits); >> - numa_update_cpu_topology(false); > > Shouldn't we be calling topology_schedule_update() here? Agreed. > >> } >> } >> > > -- Michael W. Bringmann Linux Technology Center IBM Corporation Tie-Line 363-5196 External: (512) 286-5196 Cell: (512) 466-0650 mwb@linux.vnet.ibm.com