[PATCH v9 13/24] RDMA/core: Convert UMEM ODP DMA mapping to caching IOVA and page linkage

[Jason Gunthorpe]

On Wed, Apr 23, 2025 at 11:13:04AM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro at nvidia.com>
> 
> Reuse newly added DMA API to cache IOVA and only link/unlink pages
> in fast path for UMEM ODP flow.
> 
> Tested-by: Jens Axboe <axboe at kernel.dk>
> Signed-off-by: Leon Romanovsky <leonro at nvidia.com>
> ---
>  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 <jgg at nvidia.com>

Jason