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

[Tian, Kevin]

> From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> Sent: Monday, January 22, 2024 3:39 PM
> 
> +
> +int iommufd_fault_iopf_handler(struct iopf_group *group)
> +{
> +	struct iommufd_hw_pagetable *hwpt = group->cookie->domain-
> >fault_data;
> +	struct iommufd_fault *fault = hwpt->fault;
> +

why not directly using iommufd_fault as the fault_data?