From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73B45C433E0 for ; Wed, 20 May 2020 14:36:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 47CCE207C4 for ; Wed, 20 May 2020 14:36:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726775AbgETOgp (ORCPT ); Wed, 20 May 2020 10:36:45 -0400 Received: from lhrrgout.huawei.com ([185.176.76.210]:2235 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726443AbgETOgp (ORCPT ); Wed, 20 May 2020 10:36:45 -0400 Received: from lhreml724-chm.china.huawei.com (unknown [172.18.7.106]) by Forcepoint Email with ESMTP id 792C887BBEDE40A15C6B; Wed, 20 May 2020 15:36:43 +0100 (IST) Received: from [127.0.0.1] (10.210.167.247) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1913.5; Wed, 20 May 2020 15:36:42 +0100 Subject: Re: blk-mq: improvement CPU hotplug (simplified version) v2 To: Christoph Hellwig CC: , Bart Van Assche , Hannes Reinecke , Thomas Gleixner , Ming Lei References: <20200518063937.757218-1-hch@lst.de> <6241656e-0bf7-b32d-493e-e3f870a4d031@huawei.com> <20200519153034.GC22286@lst.de> From: John Garry Message-ID: <28e4b835-14d8-a82c-24e8-a895b645484a@huawei.com> Date: Wed, 20 May 2020 15:35:43 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.1.2 MIME-Version: 1.0 In-Reply-To: <20200519153034.GC22286@lst.de> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.210.167.247] X-ClientProxiedBy: lhreml745-chm.china.huawei.com (10.201.108.195) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 19/05/2020 16:30, Christoph Hellwig wrote: > On Mon, May 18, 2020 at 12:49:14PM +0100, John Garry wrote: >>> A git tree is available here: >>> >>> git://git.infradead.org/users/hch/block.git blk-mq-hotplug >>> >>> Gitweb: >>> >>> http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/blk-mq-hotplug >>> . >>> >> >> FWIW, I tested this series for cpu hotplug and it looked ok. > > Can you also test the blk-mq-hotplug.2 branch? > . > Yeah, it looks ok. No timeouts for CPU hotplug. Cheers, John