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[142.167.219.86]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6f2c2bfcfd0sm72347416d6.82.2025.04.23.10.00.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Apr 2025 10:00:20 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1u7dSO-00000007LHo-0vIz; Wed, 23 Apr 2025 14:00:20 -0300 Date: Wed, 23 Apr 2025 14:00:20 -0300 From: Jason Gunthorpe To: Christoph Hellwig Cc: Leon Romanovsky , Keith Busch , Marek Szyprowski , Jens Axboe , Jake Edge , Jonathan Corbet , Zhu Yanjun , Robin Murphy , Joerg Roedel , Will Deacon , Sagi Grimberg , Bjorn Helgaas , Logan Gunthorpe , Yishai Hadas , Shameer Kolothum , Kevin Tian , Alex Williamson , =?utf-8?B?SsOpcsO0bWU=?= Glisse , Andrew Morton , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-rdma@vger.kernel.org, iommu@lists.linux.dev, linux-nvme@lists.infradead.org, linux-pci@vger.kernel.org, kvm@vger.kernel.org, linux-mm@kvack.org, Niklas Schnelle , Chuck Lever , Luis Chamberlain , Matthew Wilcox , Dan Williams , Kanchan Joshi , Chaitanya Kulkarni , Nitesh Shetty Subject: Re: [PATCH v9 23/24] nvme-pci: convert to blk_rq_dma_map Message-ID: <20250423170020.GI1213339@ziepe.ca> References: <7c5c5267cba2c03f6650444d4879ba0d13004584.1745394536.git.leon@kernel.org> <20250423092437.GA1895@lst.de> <20250423100314.GH48485@unreal> <20250423154712.GA32009@lst.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250423154712.GA32009@lst.de> On Wed, Apr 23, 2025 at 05:47:12PM +0200, Christoph Hellwig wrote: > On Wed, Apr 23, 2025 at 01:03:14PM +0300, Leon Romanovsky wrote: > > On Wed, Apr 23, 2025 at 11:24:37AM +0200, Christoph Hellwig wrote: > > > I don't think the meta SGL handling is quite right yet, and the > > > single segment data handling also regressed. Totally untested > > > patch below, I'll try to allocate some testing time later today. > > > > Christoph, > > > > Can we please progress with the DMA patches and leave NVMe for later? > > NVMe is one the users for new DMA API, let's merge API first. > > We'll need to merge the block/nvme patches through the block tree > anyway to avoid merges from hell, so yes. RDMA has been having conflicts on the ODP patches too, so yeah we need a shared branch and this thing into each trees. I'd rely on Marek to make the shared branch and I'll take the RDMA parts on top. Thanks, Jason