> On Jan 26, 2021, at 4:26 PM, Lu Baolu wrote:
>
> Hi Nadav,
>
> On 1/27/21 4:38 AM, Nadav Amit wrote:
>> From: Nadav Amit
>> When an Intel IOMMU is virtualized, and a physical device is
>> passed-through to the VM, changes of the virtual IOMMU need to be
>> propagated to the physical IOMMU. Th
On 1/27/21 8:26 AM, Lu Baolu wrote:
+{
+ struct dmar_domain *dmar_domain = to_dmar_domain(domain);
+ struct intel_iommu *iommu = domain_get_iommu(dmar_domain);
+
+ if (intel_iommu_strict)
+ return 0;
+
+ /*
+ * The flush queue implementation does not perform page-selective
Hi Nadav,
On 1/27/21 4:38 AM, Nadav Amit wrote:
From: Nadav Amit
When an Intel IOMMU is virtualized, and a physical device is
passed-through to the VM, changes of the virtual IOMMU need to be
propagated to the physical IOMMU. The hypervisor therefore needs to
monitor PTE mappings in the IOMMU
From: Nadav Amit
When an Intel IOMMU is virtualized, and a physical device is
passed-through to the VM, changes of the virtual IOMMU need to be
propagated to the physical IOMMU. The hypervisor therefore needs to
monitor PTE mappings in the IOMMU page-tables. Intel specifications
provide "caching-
