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[142.167.219.86]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c925a6eb31sm709808085a.3.2025.04.23.10.36.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Apr 2025 10:36:26 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1u7e1J-00000007Lca-2cT8; Wed, 23 Apr 2025 14:36:25 -0300 Date: Wed, 23 Apr 2025 14:36:25 -0300 From: Jason Gunthorpe To: Leon Romanovsky Cc: Marek Szyprowski , Jens Axboe , Christoph Hellwig , Keith Busch , Leon Romanovsky , 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 Subject: Re: [PATCH v9 13/24] RDMA/core: Convert UMEM ODP DMA mapping to caching IOVA and page linkage Message-ID: <20250423173625.GO1213339@ziepe.ca> References: <7d6f3d50c4e6eb3ab75fd4c5bbaa8efcb1a15b3c.1745394536.git.leon@kernel.org> 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: <7d6f3d50c4e6eb3ab75fd4c5bbaa8efcb1a15b3c.1745394536.git.leon@kernel.org> On Wed, Apr 23, 2025 at 11:13:04AM +0300, Leon Romanovsky wrote: > From: Leon Romanovsky > > Reuse newly added DMA API to cache IOVA and only link/unlink pages > in fast path for UMEM ODP flow. > > Tested-by: Jens Axboe > Signed-off-by: Leon Romanovsky > --- > drivers/infiniband/core/umem_odp.c | 104 ++++++--------------------- > drivers/infiniband/hw/mlx5/mlx5_ib.h | 11 +-- > drivers/infiniband/hw/mlx5/odp.c | 40 +++++++---- > drivers/infiniband/hw/mlx5/umr.c | 12 +++- > drivers/infiniband/sw/rxe/rxe_odp.c | 4 +- > include/rdma/ib_umem_odp.h | 13 +--- > 6 files changed, 71 insertions(+), 113 deletions(-) Reviewed-by: Jason Gunthorpe Jason