On 2024/11/6 16:17, Tian, Kevin wrote:
From: Liu, Yi L <yi.l.liu@xxxxxxxxx>
Sent: Monday, November 4, 2024 9:19 PM
+
+ dev_pasid = domain_add_dev_pasid(domain, dev, pasid);
+ if (IS_ERR(dev_pasid))
+ return PTR_ERR(dev_pasid);
+
+ ret = domain_setup_nested(iommu, dmar_domain, dev, pasid, old);
+ if (ret)
+ goto out_remove_dev_pasid;
+
+ domain_remove_dev_pasid(old, dev, pasid);
+
forgot one thing. Why not required to create a debugfs entry for
nested dev_pasid?
This debugfs node is only created for paging domain.
