--- zzzz-none-000/linux-4.4.271/drivers/vfio/vfio_iommu_type1.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/drivers/vfio/vfio_iommu_type1.c	2023-04-19 10:22:30.000000000 +0000
@@ -398,7 +398,7 @@
 
 	mutex_lock(&iommu->lock);
 	list_for_each_entry(domain, &iommu->domain_list, next)
-		bitmap &= domain->domain->ops->pgsize_bitmap;
+		bitmap &= domain->domain->pgsize_bitmap;
 	mutex_unlock(&iommu->lock);
 
 	/*