Re: [PATCH v3 5/8] iommufd: Associate fault object with iommufd_hw_pgtable

[Jason Gunthorpe]

On Wed, Mar 06, 2024 at 11:15:50PM +0800, Zhangfei Gao wrote:
> 
> Double checked, this does not send flags, 0 is OK,
> Only domain_alloc_user in iommufd_hwpt_paging_alloc requires flags.
> 
> In my debug, I need this patch, otherwise NULL pointer errors happen
> since SVA is not set.

This is some driver bug, we need to get rid of these
iommu_dev_enable_feature() requirements.

Attaching domains with properties should be entirely sufficient.

Jason