Merge tag 'iommu-updates-v7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linuxHEADmaster

Pull IOMMU updates from Joerg Roedel:
 "Core:
   - Detect scatterlist length overflows and finalize deferred domain
     attachments before mapping MSI pages
   - Consolidate x86 MSI reserved-region handling and clean up internal
     DMA and SVA helpers

  AMD IOMMU:
   - Add IOMMU PerfOpt support, enabled by amdgpu for supported
     integrated GPUs in identity domains
   - Restrict forced identity mapping to GPUs that require it
   - Fix kdump device-table allocation and reuse, ATS configuration
     error handling, and an interrupt-remapping allocation leak
   - Clean up device probing and initialization
   - Add Vasant Hegde as an AMD IOMMU maintainer

  ARM SMMUv2:
   - Device-tree binding updates for Qualcomm Maili and Nord SoCs

  ARM SMMUv3:
   - Work around hardware integration issue on Google Tensor G5 SoCs
     where all DMA transactions appear as instruction fetches
   - Allow command queue size to be configured on the kernel
     command-line
   - Reduce queue sizes when running as a kdump kernel
   - Fix some pre-existing issues in the driver and kunit tests reported
     by Sashiko
   - Fix handling of Arm hardware errata relating to the contiguous hint
     when using SVA
   - Rework the TLB invalidation logic in preparation for enabling
     iommu-pt in future
   - Minor cleanups in preparation for improving support for kdump

  Apple DART:
   - Support device-tree DMA aperture specifications

  Broadcom:
   - Add BCM2712 IOMMU support for Raspberry Pi 5 display and multimedia
     devices, including the generic page-table format and shared TLB
     cache management

  Hyper-V:
   - Add a para-virtualized guest IOMMU driver with guest-managed
     stage-1 page tables and page-selective IOTLB invalidation

  Intel VT-d:
   - Enhanced IQE fault handling for batched multiple descriptors,
   - Optimization of page-table level calculation in
     compute_vasz_lg2_ss(),
   - Fixes for several pre-existing issues reported by Sashiko,
   - General cleanup and refinement

  RISC-V:
   - Report cache-coherency capability for coherent devices, enabling
     VFIO/iommufd use

  Samsung Exynos:
   - Support SysMMUs without BLOCK mode, fixing their enable sequence
     and TLB invalidation
   - Improve v7 fault diagnostics with transaction information"

* tag 'iommu-updates-v7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (69 commits)
  MAINTAINERS: Make Vasant Hegde AMD IOMMU maintainer
  iommu/hyperv: Make hv_iommu_device static
  iommu/hyperv: Add missing PCI dependency for the guest IOMMU driver
  iommu/amd: Don't allocate kdump device table from DMA32
  iommu/amd: Program device table when kdump reuse fails
  iommu/dma: Clean up redundant MSI cookie check
  iommu/dma: Catch scatterlist length overflows
  iommu/hyperv: Add page-selective IOTLB flush support
  iommu/hyperv: Add para-virtualized IOMMU support for Hyper-V guest
  iommu/x86: Add architectural MSI reserved region helper
  Drivers: hv: Add logical device ID registry for vPCI devices
  hyperv: Introduce new hypercall interfaces used by Hyper-V guest IOMMU
  iommu: Make iommu-dma helpers private
  iommu/arm-smmu-v3: Don't rb_erase() a never-inserted stream node
  iommu/arm-smmu-v3: Add Q_POS() macro
  iommu/arm-smmu-v3: Add arm_smmu_attach_release()
  iommu/arm-smmu-v3: Disable the impl before disabling the SMMU on shutdown
  iommu/arm-smmu-v3: Populate the tlbi at the top of the call chain
  iommu/arm-smmu-v3: Precompute the invalidation commands
  iommu/arm-smmu-v3: Keep track in arm_smmu_invs if range invalidation is used
  ...

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