RE: [PATCH v2 2/5] iommu/vt-d: Allow SVA with device-specific IOPF

Tian, Kevin
2023-03-16T07:10:22Z

> From: Lu Baolu <baolu.lu@linux.intel.com>
> Sent: Thursday, March 9, 2023 10:57 AM
>
> @@ -4650,7 +4650,18 @@ static int intel_iommu_enable_sva(struct device
> *dev)
> if (!(iommu->flags & VTD_FLAG_SVM_CAPABLE))
> return -ENODEV;
>
> - if (!info->pasid_enabled || !info->pri_enabled || !info->ats_enabled)
> + if (!info->pasid_enabled)
> + return -EINVAL;
> +

I think you still want to check ats_enabled even for device specific IOPF.