Re: [RFC PATCH 2/5] iommu/vt-d: Add generic IO page table support

[Jason Gunthorpe]

On Mon, Nov 06, 2023 at 02:12:23AM -0500, Tina Zhang wrote:
> Add basic hook up code to implement generic IO page table framework.
> 
> Signed-off-by: Tina Zhang <tina.zhang@xxxxxxxxx>
> ---
>  drivers/iommu/intel/Kconfig |  1 +
>  drivers/iommu/intel/iommu.c | 94 +++++++++++++++++++++++++++++++++++++
>  drivers/iommu/intel/iommu.h |  7 +++
>  drivers/iommu/io-pgtable.c  |  3 ++
>  include/linux/io-pgtable.h  |  2 +
>  5 files changed, 107 insertions(+)

If this is going to happen can we also convert vt-d to actually use
the io page table stuff directly and shuffle the code around so it is
structured like the rest of the io page table implementations?

Jason