Re: [PATCH v1 00/17] Provide a new two step DMA mapping API

[Jason Gunthorpe]

On Wed, Oct 30, 2024 at 05:12:46PM +0200, Leon Romanovsky wrote:

>  Documentation/core-api/dma-api.rst   |  70 ++++
>  drivers/infiniband/core/umem_odp.c   | 250 +++++----------
>  drivers/infiniband/hw/mlx5/mlx5_ib.h |  12 +-
>  drivers/infiniband/hw/mlx5/odp.c     |  65 ++--
>  drivers/infiniband/hw/mlx5/umr.c     |  12 +-
>  drivers/iommu/dma-iommu.c            | 459 +++++++++++++++++++++++----
>  drivers/iommu/iommu.c                |  65 ++--
>  drivers/pci/p2pdma.c                 |  38 +--
>  drivers/vfio/pci/mlx5/cmd.c          | 373 +++++++++++-----------
>  drivers/vfio/pci/mlx5/cmd.h          |  35 +-
>  drivers/vfio/pci/mlx5/main.c         |  87 +++--
>  include/linux/dma-map-ops.h          |  54 ----
>  include/linux/dma-mapping.h          |  85 +++++
>  include/linux/hmm-dma.h              |  32 ++
>  include/linux/hmm.h                  |  16 +
>  include/linux/iommu.h                |   4 +
>  include/linux/pci-p2pdma.h           |  84 +++++
>  include/rdma/ib_umem_odp.h           |  25 +-
>  kernel/dma/direct.c                  |  44 +--
>  kernel/dma/mapping.c                 |  20 ++
>  mm/hmm.c                             | 231 +++++++++++++-

This is touching alot of subsystems, at least two are mine :)

Who is in the hot seat to merge this? Are we expecting it this merge
window?

I've read through past versions and am happy with the general
concept. Would like to read it again in details.

Thanks,
Jason