Merge branch 'iommu/intel/vt-d' into iommu/next

* iommu/intel/vt-d:
  iommu/vt-d: Fix identity map bounds in si_domain_init()
  iommu/vt-d: Fix aligned pages in calculate_psi_aligned_address()
  iommu/vt-d: Limit max address mask to MAX_AGAW_PFN_WIDTH
  iommu/vt-d: Refactor PCI PRI enabling/disabling callbacks
  iommu/vt-d: Add helper to flush caches for context change
  iommu/vt-d: Add helper to allocate paging domain
  iommu/vt-d: Downgrade warning for pre-enabled IR
  iommu/vt-d: Remove control over Execute-Requested requests
  iommu/vt-d: Remove comment for def_domain_type
  iommu/vt-d: Handle volatile descriptor status read
  iommu/vt-d: Use try_cmpxchg64() in intel_pasid_get_entry()