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Tue, 27 Apr 2021 12:28:39 -0700 (PDT) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1lbTNu-00DgsM-R2; Tue, 27 Apr 2021 16:28:38 -0300 Date: Tue, 27 Apr 2021 16:28:38 -0300 From: Jason Gunthorpe To: Logan Gunthorpe Subject: Re: [PATCH 00/16] Add new DMA mapping operation for P2PDMA Message-ID: <20210427192838.GP2047089@ziepe.ca> References: <20210408170123.8788-1-logang@deltatee.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210408170123.8788-1-logang@deltatee.com> Cc: linux-pci@vger.kernel.org, Dave Hansen , linux-nvme@lists.infradead.org, Stephen Bates , linux-mm@kvack.org, Jason Ekstrand , Ira Weiny , Christoph Hellwig , Minturn Dave B , Matthew Wilcox , Bjorn Helgaas , Daniel Vetter , John Hubbard , linux-block@vger.kernel.org, Dan Williams , Jakowski Andrzej , Xiong Jianxin , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Robin Murphy , Christian =?utf-8?B?S8O2bmln?= X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Thu, Apr 08, 2021 at 11:01:07AM -0600, Logan Gunthorpe wrote: > Hi, > > This patchset continues my work to to add P2PDMA support to the common > dma map operations. This allows for creating SGLs that have both P2PDMA > and regular pages which is a necessary step to allowing P2PDMA pages in > userspace. > > The earlier RFC[1] generated a lot of great feedback and I heard no show > stopping objections. Thus, I've incorporated all the feedback and have > decided to post this as a proper patch series with hopes of eventually > getting it in mainline. > > I'm happy to do a few more passes if anyone has any further feedback > or better ideas. For the user of the DMA API the idea seems reasonable enough, the next steps to integrate with pin_user_pages() seem fairly straightfoward too Was there no feedback on this at all? Jason _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu