Re: [PATCH v6 03/15] iommupt: Add the basic structure of the iommu implementation

On Wed, Oct 15, 2025 at 07:25:49AM +0000, Tian, Kevin wrote:

...

From: Jason Gunthorpe jgg@nvidia.com Sent: Wednesday, October 8, 2025 12:12 AM

+config IOMMU_PT

• tristate "IOMMU Page Tables"
• select IOMMU_API
• depends on IOMMU_SUPPORT
• depends on GENERIC_PT
• help

•  Generic library for building IOMMU page tables
  

•  IOMMU_PT provides an implementation of the page table
  

operations

•  related struct iommu_domain using GENERIC_PT to abstract the
  

page

•  table format.
  

"operations related to struct iommu_domain", and probably split the long sentence

help Generic library for building IOMMU page tables

IOMMU_PT provides an implementation of the page table operations related to struct iommu_domain using GENERIC_PT. It provides a single implementation of the page table operations that can be shared by multiple drivers.

Thanks, Jason