[PATCH v5 04/13] iommufd/hw_pagetable: Enforce invalidation op on vIOMMU-based hwpt_nested

[Jason Gunthorpe]

On Fri, Oct 25, 2024 at 04:50:33PM -0700, Nicolin Chen wrote:
> A vIOMMU-based hwpt_nested requires a cache invalidation op too, either
> using the one in iommu_domain_ops or the one in viommu_ops. Enforce that
> upon the allocated hwpt_nested.
> 
> Signed-off-by: Nicolin Chen <nicolinc at nvidia.com>
> ---
>  drivers/iommu/iommufd/hw_pagetable.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

Jason