Re: [PATCH v3 00/17] Provide a new two step DMA mapping API

Leon Romanovsky
2024-11-12T07:20:52Z

On Sun, Nov 10, 2024 at 03:46:47PM +0200, Leon Romanovsky wrote:

<...>

> ----------------------------------------------------------------------------
> The code can be downloaded from:
> https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git tag:dma-split-nov-09

<...>

>
> Christoph Hellwig (6):
> PCI/P2PDMA: Refactor the p2pdma mapping helpers
> dma-mapping: move the PCI P2PDMA mapping helpers to pci-p2pdma.h
> iommu: generalize the batched sync after map interface
> iommu/dma: Factor out a iommu_dma_map_swiotlb helper
> dma-mapping: add a dma_need_unmap helper
> docs: core-api: document the IOVA-based API
>
> Leon Romanovsky (11):
> dma-mapping: Add check if IOVA can be used
> dma: Provide an interface to allow allocate IOVA
> dma-mapping: Implement link/unlink ranges API
> mm/hmm: let users to tag specific PFN with DMA mapped bit
> mm/hmm: provide generic DMA managing logic
> RDMA/umem: Store ODP access mask information in PFN
> RDMA/core: Convert UMEM ODP DMA mapping to caching IOVA and page
> linkage
> RDMA/umem: Separate implicit ODP initialization from explicit ODP
> vfio/mlx5: Explicitly use number of pages instead of allocated length
> vfio/mlx5: Rewrite create mkey flow to allow better code reuse
> vfio/mlx5: Enable the DMA link API

Robin,

All technical concerns were handled and this series is ready to be merged.

Robin, can you please Ack the dma-iommu patches?

Thanks