From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Fri, 2 Mar 2018 07:53:22 -0800 From: Christoph Hellwig To: Stephen Bates Cc: Keith Busch , Jens Axboe , Alex Williamson , "linux-nvdimm@lists.01.org" , "linux-rdma@vger.kernel.org" , "linux-pci@vger.kernel.org" , Steve Wise , "linux-kernel@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "linux-block@vger.kernel.org" , Jason Gunthorpe , =?iso-8859-1?B?Suly9G1l?= Glisse , Benjamin Herrenschmidt , Bjorn Helgaas , Max Gurtovoy , Christoph Hellwig Subject: Re: [PATCH v2 10/10] nvmet: Optionally use PCI P2P memory Message-ID: <20180302155322.GA5934@infradead.org> References: <20180228234006.21093-11-logang@deltatee.com> <749e3752-4349-0bdf-5243-3d510c2b26db@grimberg.me> <40d69074-31a8-d06a-ade9-90de7712c553@deltatee.com> <5649098f-b775-815b-8b9a-f34628873ff4@grimberg.me> <20180301184249.GI19007@ziepe.ca> <20180301224540.GL19007@ziepe.ca> <77591162-4CCD-446E-A27C-1CDB4996ACB7@raithlin.com> <20180301234930.GG14799@localhost.localdomain> <6B6A0FD9-14F5-4AF2-A74A-DAA562C34AB9@raithlin.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <6B6A0FD9-14F5-4AF2-A74A-DAA562C34AB9@raithlin.com> List-ID: On Thu, Mar 01, 2018 at 11:53:16PM +0000, Stephen Bates wrote: > > There's a meaningful difference between writing to an NVMe CMB vs PMR > > When the PMR spec becomes public we can discuss how best to integrate it into the P2P framework (if at all) ;-). http://nvmexpress.org/wp-content/uploads/NVM-Express-1.3-Ratified-TPs.zip