Re: [PATCH v4 1/2] iommu/io-pgtable-arm: Add way to debug pgtable walk

[Joerg Roedel]

On Thu, May 23, 2024 at 10:52:21AM -0700, Rob Clark wrote:
> From: Rob Clark <robdclark@xxxxxxxxxxxx>
> 
> Add an io-pgtable method to walk the pgtable returning the raw PTEs that
> would be traversed for a given iova access.
> 
> Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> ---
>  drivers/iommu/io-pgtable-arm.c | 51 ++++++++++++++++++++++++++++------
>  include/linux/io-pgtable.h     |  4 +++
>  2 files changed, 46 insertions(+), 9 deletions(-)

Acked-by: Joerg Roedel <jroedel@xxxxxxx>