On 2023/3/16 15:09, Tian, Kevin wrote:
From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> 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.
Yeah! Updated. Best regards, baolu