From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ale.deltatee.com (ale.deltatee.com [207.54.116.67]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 6BC6C21A00AE6 for ; Thu, 13 Sep 2018 09:14:32 -0700 (PDT) References: <20180913001156.4115-1-logang@deltatee.com> <20180913001156.4115-8-logang@deltatee.com> <0118d3d8-a2f5-047f-6627-04ac3d0371ad@kernel.dk> From: Logan Gunthorpe Message-ID: <5998a8c3-697e-82ac-91d4-a648455a21e9@deltatee.com> Date: Thu, 13 Sep 2018 10:14:02 -0600 MIME-Version: 1.0 In-Reply-To: <0118d3d8-a2f5-047f-6627-04ac3d0371ad@kernel.dk> Content-Language: en-US Subject: Re: [PATCH v6 07/13] block: Add PCI P2P flag for request queue and check support for requests List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: Jens Axboe , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org, linux-nvdimm@lists.01.org, linux-block@vger.kernel.org Cc: =?UTF-8?Q?Christian_K=c3=b6nig?= , Benjamin Herrenschmidt , Alex Williamson , =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Jason Gunthorpe , Bjorn Helgaas , Max Gurtovoy , Christoph Hellwig List-ID: On 12/09/18 06:28 PM, Jens Axboe wrote: > On 9/12/18 6:11 PM, Logan Gunthorpe wrote: >> QUEUE_FLAG_PCI_P2P is introduced meaning a driver's request queue >> supports targeting P2P memory. >> >> When a request is submitted we check if PCI P2PDMA memory is assigned >> to the first page in the bio. If it is, we ensure the queue it's >> submitted to supports it, and enforce REQ_NOMERGE. > > This changelog is no longer accurate. Oops, I'll fix this for v7. Thanks, Logan _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: To: Jens Axboe , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org, linux-nvdimm@lists.01.org, linux-block@vger.kernel.org Cc: Stephen Bates , Christoph Hellwig , Keith Busch , Sagi Grimberg , Bjorn Helgaas , Jason Gunthorpe , Max Gurtovoy , Dan Williams , =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Benjamin Herrenschmidt , Alex Williamson , =?UTF-8?Q?Christian_K=c3=b6nig?= References: <20180913001156.4115-1-logang@deltatee.com> <20180913001156.4115-8-logang@deltatee.com> <0118d3d8-a2f5-047f-6627-04ac3d0371ad@kernel.dk> From: Logan Gunthorpe Message-ID: <5998a8c3-697e-82ac-91d4-a648455a21e9@deltatee.com> Date: Thu, 13 Sep 2018 10:14:02 -0600 MIME-Version: 1.0 In-Reply-To: <0118d3d8-a2f5-047f-6627-04ac3d0371ad@kernel.dk> Content-Type: text/plain; charset=utf-8 Subject: Re: [PATCH v6 07/13] block: Add PCI P2P flag for request queue and check support for requests List-ID: On 12/09/18 06:28 PM, Jens Axboe wrote: > On 9/12/18 6:11 PM, Logan Gunthorpe wrote: >> QUEUE_FLAG_PCI_P2P is introduced meaning a driver's request queue >> supports targeting P2P memory. >> >> When a request is submitted we check if PCI P2PDMA memory is assigned >> to the first page in the bio. If it is, we ensure the queue it's >> submitted to supports it, and enforce REQ_NOMERGE. > > This changelog is no longer accurate. Oops, I'll fix this for v7. Thanks, Logan From mboxrd@z Thu Jan 1 00:00:00 1970 From: Logan Gunthorpe Subject: Re: [PATCH v6 07/13] block: Add PCI P2P flag for request queue and check support for requests Date: Thu, 13 Sep 2018 10:14:02 -0600 Message-ID: <5998a8c3-697e-82ac-91d4-a648455a21e9@deltatee.com> References: <20180913001156.4115-1-logang@deltatee.com> <20180913001156.4115-8-logang@deltatee.com> <0118d3d8-a2f5-047f-6627-04ac3d0371ad@kernel.dk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <0118d3d8-a2f5-047f-6627-04ac3d0371ad-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Sender: "Linux-nvdimm" To: Jens Axboe , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org, linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: =?UTF-8?Q?Christian_K=c3=b6nig?= , Benjamin Herrenschmidt , Alex Williamson , =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Jason Gunthorpe , Bjorn Helgaas , Max Gurtovoy , Christoph Hellwig List-Id: linux-rdma@vger.kernel.org On 12/09/18 06:28 PM, Jens Axboe wrote: > On 9/12/18 6:11 PM, Logan Gunthorpe wrote: >> QUEUE_FLAG_PCI_P2P is introduced meaning a driver's request queue >> supports targeting P2P memory. >> >> When a request is submitted we check if PCI P2PDMA memory is assigned >> to the first page in the bio. If it is, we ensure the queue it's >> submitted to supports it, and enforce REQ_NOMERGE. > > This changelog is no longer accurate. Oops, I'll fix this for v7. Thanks, Logan From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: To: Jens Axboe , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org, linux-nvdimm@lists.01.org, linux-block@vger.kernel.org References: <20180913001156.4115-1-logang@deltatee.com> <20180913001156.4115-8-logang@deltatee.com> <0118d3d8-a2f5-047f-6627-04ac3d0371ad@kernel.dk> From: Logan Gunthorpe Message-ID: <5998a8c3-697e-82ac-91d4-a648455a21e9@deltatee.com> Date: Thu, 13 Sep 2018 10:14:02 -0600 MIME-Version: 1.0 In-Reply-To: <0118d3d8-a2f5-047f-6627-04ac3d0371ad@kernel.dk> Subject: Re: [PATCH v6 07/13] block: Add PCI P2P flag for request queue and check support for requests List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sagi Grimberg , =?UTF-8?Q?Christian_K=c3=b6nig?= , Benjamin Herrenschmidt , Alex Williamson , Stephen Bates , Keith Busch , =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Jason Gunthorpe , Bjorn Helgaas , Max Gurtovoy , Dan Williams , Christoph Hellwig Content-Type: text/plain; charset="us-ascii" Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+bjorn=helgaas.com@lists.infradead.org List-ID: On 12/09/18 06:28 PM, Jens Axboe wrote: > On 9/12/18 6:11 PM, Logan Gunthorpe wrote: >> QUEUE_FLAG_PCI_P2P is introduced meaning a driver's request queue >> supports targeting P2P memory. >> >> When a request is submitted we check if PCI P2PDMA memory is assigned >> to the first page in the bio. If it is, we ensure the queue it's >> submitted to supports it, and enforce REQ_NOMERGE. > > This changelog is no longer accurate. Oops, I'll fix this for v7. Thanks, Logan _______________________________________________ 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: logang@deltatee.com (Logan Gunthorpe) Date: Thu, 13 Sep 2018 10:14:02 -0600 Subject: [PATCH v6 07/13] block: Add PCI P2P flag for request queue and check support for requests In-Reply-To: <0118d3d8-a2f5-047f-6627-04ac3d0371ad@kernel.dk> References: <20180913001156.4115-1-logang@deltatee.com> <20180913001156.4115-8-logang@deltatee.com> <0118d3d8-a2f5-047f-6627-04ac3d0371ad@kernel.dk> Message-ID: <5998a8c3-697e-82ac-91d4-a648455a21e9@deltatee.com> On 12/09/18 06:28 PM, Jens Axboe wrote: > On 9/12/18 6:11 PM, Logan Gunthorpe wrote: >> QUEUE_FLAG_PCI_P2P is introduced meaning a driver's request queue >> supports targeting P2P memory. >> >> When a request is submitted we check if PCI P2PDMA memory is assigned >> to the first page in the bio. If it is, we ensure the queue it's >> submitted to supports it, and enforce REQ_NOMERGE. > > This changelog is no longer accurate. Oops, I'll fix this for v7. Thanks, Logan