From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:54682 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753428AbdFSIGj (ORCPT ); Mon, 19 Jun 2017 04:06:39 -0400 Date: Mon, 19 Jun 2017 16:06:23 +0800 From: Ming Lei To: Christoph Hellwig Cc: Sagi Grimberg , Keith Busch , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org Subject: Re: [PATCH rfc 28/30] nvme: update tagset nr_hw_queues when reallocating io queues Message-ID: <20170619080622.GA396@ming.t460p> References: <1497799324-19598-1-git-send-email-sagi@grimberg.me> <1497799324-19598-29-git-send-email-sagi@grimberg.me> <20170619072148.GE13168@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20170619072148.GE13168@lst.de> Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org On Mon, Jun 19, 2017 at 09:21:48AM +0200, Christoph Hellwig wrote: > On Sun, Jun 18, 2017 at 06:22:02PM +0300, Sagi Grimberg wrote: > > Signed-off-by: Sagi Grimberg > > Could use a changelog. > > Ming: does this solve your problem of not seeing the new queues > after a qemu CPU hotplug + reset? The issue I observed is that there isn't NVMe reset triggered after CPU becomes online. It may take a while since the test need to apply the whole patchset. Or is it fine to figure out one fix on this issue? Sagi? Once the test is done, I will update with you. Thanks, Ming