On 2024/2/8 16:53, Tian, Kevin wrote:
From: Liu, Yi L
Sent: Thursday, February 8, 2024 4:23 PM
@@ -4760,6 +4790,12 @@ static int intel_iommu_set_dirty_tracking(struct
iommu_domain *domain,
if (ret)
goto err_unwind;
+ if (dmar_domain->nested_parent) {
+
> From: Liu, Yi L
> Sent: Thursday, February 8, 2024 4:23 PM
>
> @@ -4760,6 +4790,12 @@ static int intel_iommu_set_dirty_tracking(struct
> iommu_domain *domain,
> if (ret)
> goto err_unwind;
>
> + if (dmar_domain->nested_parent) {
> + ret = parent_domain_set_d
Setting dirty tracking for a s2 domain requires to loop all the related
devices and set the dirty tracking enable bit in the PASID table entry.
This includes the devices that are attached to the nested domains of a
s2 domain if this s2 domain is used as parent. However, the existing dirty
tracking
