Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965095AbeALSCS (ORCPT + 1 other); Fri, 12 Jan 2018 13:02:18 -0500 Received: from mail-it0-f47.google.com ([209.85.214.47]:42154 "EHLO mail-it0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964992AbeALSCQ (ORCPT ); Fri, 12 Jan 2018 13:02:16 -0500 X-Google-Smtp-Source: ACJfBovh+pvTz07+TZvWHHhH8yS8SjEt4btSYm8aOpqhvDWNN+9YvGXi4UU71fdTdxn3UmmGnAOWSg== Subject: Re: [PATCH 0/2] blk-mq: support physical CPU hotplug To: Ming Lei , linux-block@vger.kernel.org, Christoph Hellwig Cc: Christian Borntraeger , Stefan Haberland , Thomas Gleixner , linux-kernel@vger.kernel.org References: <20180112025306.28004-1-ming.lei@redhat.com> From: Jens Axboe Message-ID: <0b61848b-a911-9115-524d-60e778f8a300@kernel.dk> Date: Fri, 12 Jan 2018 11:02:13 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:58.0) Gecko/20100101 Thunderbird/58.0 MIME-Version: 1.0 In-Reply-To: <20180112025306.28004-1-ming.lei@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On 1/11/18 7:53 PM, Ming Lei wrote: > Hi, > > This two patches support physical CPU hotplug, so that we can make blk-mq > scale well when new physical CPU is added or removed, and this use case > is normal for VM world. > > Also this patchset fixes the following warning reported by Christian > Borntraeger: > > https://marc.info/?l=linux-block&m=151092973417143&w=2 > > Christoph Hellwig (2): > genirq/affinity: assign vectors to all possible CPUs > blk-mq: simplify queue mapping & schedule with each possisble CPU Applied, thanks Ming. -- Jens Axboe