RE: [PATCH v2 03/12] iommu: Remove unrecoverable fault data

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

> From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> Sent: Thursday, July 27, 2023 1:48 PM
>
>  struct iommu_fault {
>  	__u32	type;
> -	__u32	padding;

this padding should be kept.

> -	union {
> -		struct iommu_fault_unrecoverable event;
> -		struct iommu_fault_page_request prm;
> -		__u8 padding2[56];
> -	};
> +	struct iommu_fault_page_request prm;
>  };