25 Oct
2025
25 Oct
'25
3:29 p.m.
On Thu, Oct 23, 2025 at 2:20 PM Jason Gunthorpe jgg@nvidia.com wrote:
iova_to_phys is a performance path for the DMA API and iommufd, implement it using an unrolled get_user_pages() like function waterfall scheme.
The implementation itself is fairly trivial.
Tested-by: Alejandro Jimenez alejandro.j.jimenez@oracle.com Reviewed-by: Kevin Tian kevin.tian@intel.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com
Reviewed-by: Pasha Tatashin pasha.tatashin@soleen.com