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

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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



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