From mboxrd@z Thu Jan 1 00:00:00 1970 From: Logan Gunthorpe Subject: Re: [PATCH v2 00/10] Copy Offload in NVMe Fabrics with P2P PCI Memory Date: Thu, 1 Mar 2018 14:03:26 -0700 Message-ID: References: <20180228234006.21093-1-logang@deltatee.com> <1519876489.4592.3.camel@kernel.crashing.org> <1519876569.4592.4.camel@au1.ibm.com> <8e808448-fc01-5da0-51e7-1a6657d5a23a@deltatee.com> <1519936195.4592.18.camel@au1.ibm.com> <20180301205548.GA6742@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180301205548.GA6742-H+wXaHxf7aLQT0dZR+AlfA@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: Jerome Glisse , Benjamin Herrenschmidt Cc: Jens Axboe , Keith Busch , Oliver OHalloran , linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Alex Williamson , Jason Gunthorpe , Bjorn Helgaas , Max Gurtovoy , Christoph Hellwig List-Id: linux-rdma@vger.kernel.org On 01/03/18 01:55 PM, Jerome Glisse wrote: > Well this again a new user of struct page for device memory just for > one usecase. I wanted HMM to be more versatile so that it could be use > for this kind of thing too. I guess the message didn't go through. I > will take some cycles tomorrow to look into this patchset to ascertain > how struct page is use in this context. We looked at it but didn't see how any of it was applicable to our needs. Logan