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Thu, 21 Jan 2021 02:09:44 +0000 From: Daniel Jordan To: Alexey Klimov Cc: Peter Zijlstra , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, yury.norov@gmail.com, tglx@linutronix.de, jobaker@redhat.com, audralmitchel@gmail.com, arnd@arndb.de, gregkh@linuxfoundation.org, rafael@kernel.org, tj@kernel.org, lizefan.x@bytedance.com, qais.yousef@arm.com, hannes@cmpxchg.org, Alexey Klimov Subject: Re: [RFC][PATCH] cpu/hotplug: wait for cpuset_hotplug_work to finish on cpu online In-Reply-To: References: <20201203171431.256675-1-aklimov@redhat.com> <20201207083827.GD3040@hirez.programming.kicks-ass.net> <87k0tritvq.fsf@oracle.com> <87im7yc2bu.fsf@oracle.com> Date: Wed, 20 Jan 2021 21:09:27 -0500 Message-ID: <87ft2voxbc.fsf@oracle.com> Content-Type: text/plain X-Originating-IP: [98.229.125.203] X-ClientProxiedBy: MN2PR12CA0027.namprd12.prod.outlook.com (2603:10b6:208:a8::40) To MWHPR10MB1774.namprd10.prod.outlook.com (2603:10b6:301:9::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from parnassus (98.229.125.203) by MN2PR12CA0027.namprd12.prod.outlook.com (2603:10b6:208:a8::40) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3784.12 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: TRrWDze687fWEWVbDG3Hr/8faP0Ey5nidQI0jeSFaTIadhuBJnQjVE+mOLn06P5QYaK5jYoZTYaT1Bq+b7CIPCz9KxpBXuHdFROK5/RSkVmgLzeS8+NqRO2yNIjWT5GvYDlM6LZ/U382JrGvvTQIX+ZfJoRG0K1VA0fPZT9RpdZWRazGMviVC3DQS9RIvEKn1GcUlM2bIF9IOs0J/wxyHGFqc65DjcHg66Ze7I1kbbmv54PPgKTMbDwPb9cxB1KMqP4QPrZKnACyU8CtXPAvSIuN14tPlV8nDiFJGxiI92qCF0Q+H2qsJUQbxrZyoMgDZjtGNNtD8hKueug6WpAi6sdZH4NNYxyp1Ue1r6+wJ8FDxWAR3qzqYtRr/8oEChSWs4tbUF62otf/SxDd5rRyWCiJI6O1a6tzyZv+5vLiwOitITeJg67To6TdZF2nCsvbMUSB40KUD1l4I7YROrb956Ne1wNLIbfo5mJDXcf5V3MrtdO3seYNv6ssA+/y1Jw3BjbPHbk89DZpQ+myeWkJjb4zXIboL/K6CaXTnvv/bbOSbzoC2bAhaJu2v5Pcuiu1o3VptoKbUJX/l6tz5XZoLVrmmdOljhmqG3xtTl8Y8IpzKVdsHRmIvG0tR8XX3wcaqse14lttazQNUUdUAjdTFRyh7I0TgLwyKMVg2gxwSWZNckXCghIP/zAkF0n7XUAusWkyIJPWC1iCV+VDdnaPna1PahGI5yfuniOWCAJRCvAmuBF/zfxGX/m58XmJHTZV X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 06a635ea-92bb-4817-ec04-08d8bdb19ea6 X-MS-Exchange-CrossTenant-AuthSource: MWHPR10MB1774.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jan 2021 02:09:44.5913 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: dWboO7ah59T9lh6Rm3aBnfk7bEdGatEF5iAGdzrvgDQgupYCDWE13plAxvHpoB0sYQbAIBgVW7v4E665omdEmBnaRhX5jwGQO2Ebd1jSc04= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR10MB1774 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9870 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 spamscore=0 suspectscore=0 adultscore=0 mlxlogscore=999 bulkscore=0 malwarescore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101210006 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9870 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 spamscore=0 impostorscore=0 mlxscore=0 priorityscore=1501 phishscore=0 mlxlogscore=999 lowpriorityscore=0 malwarescore=0 adultscore=0 clxscore=1015 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101210006 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Alexey Klimov writes: > Daniel, thank you for taking a look. I don't mind reviewing+testing > another approach that you described. Eh, I like yours better :) >> Absent further discussion, Alexey, do you plan to post another version? > > I plan to update this patch and re-send in the next couple of days. It > looks like it might be a series of two patches. Sorry for delays. Not at all, this is just something I'm messing with when I have the time.