From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Subject: Re: [PATCH v2] block: fix rdma queue mapping To: Ming Lei References: <20180820205420.25908-1-sagi@grimberg.me> <20180821020434.GA24247@ming.t460p> From: Sagi Grimberg Message-ID: Date: Fri, 24 Aug 2018 19:06:41 -0700 MIME-Version: 1.0 In-Reply-To: <20180821020434.GA24247@ming.t460p> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-rdma@vger.kernel.org, Steve Wise , linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, Max Gurtovoy , Christoph Hellwig Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+axboe=kernel.dk@lists.infradead.org List-ID: > I guess this way still can't fix the request allocation crash issue > triggered by using blk_mq_alloc_request_hctx(), in which one hw queue may > not be mapped from any online CPU. Not really. I guess we will need to simply skip queues that are mapped to an offline cpu. > Maybe this patch isn't for this issue, but it is closely related. Yes, another patch is still needed. Steve, do you still have that patch? I don't seem to find it anywhere. _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme From mboxrd@z Thu Jan 1 00:00:00 1970 From: sagi@grimberg.me (Sagi Grimberg) Date: Fri, 24 Aug 2018 19:06:41 -0700 Subject: [PATCH v2] block: fix rdma queue mapping In-Reply-To: <20180821020434.GA24247@ming.t460p> References: <20180820205420.25908-1-sagi@grimberg.me> <20180821020434.GA24247@ming.t460p> Message-ID: > I guess this way still can't fix the request allocation crash issue > triggered by using blk_mq_alloc_request_hctx(), in which one hw queue may > not be mapped from any online CPU. Not really. I guess we will need to simply skip queues that are mapped to an offline cpu. > Maybe this patch isn't for this issue, but it is closely related. Yes, another patch is still needed. Steve, do you still have that patch? I don't seem to find it anywhere.