Including:
- Allow to compile the ARM-SMMU drivers as modules.
- Fixes and cleanups for the ARM-SMMU drivers and io-pgtable code
collected by Will Deacon. The merge-commit (6855d1ba75) has all the
details.
- Cleanup of the iommu_put_resv_regions() call-backs in various drivers.
- AMD IOMMU driver cleanups.
- Update for the x2APIC support in the AMD IOMMU driver.
- Preparation patches for Intel VT-d nested mode support.
- RMRR and identity domain handling fixes for the Intel VT-d driver.
- More small fixes and cleanups.
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Merge tag 'iommu-updates-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- Allow compiling the ARM-SMMU drivers as modules.
- Fixes and cleanups for the ARM-SMMU drivers and io-pgtable code
collected by Will Deacon. The merge-commit (6855d1ba75) has all the
details.
- Cleanup of the iommu_put_resv_regions() call-backs in various
drivers.
- AMD IOMMU driver cleanups.
- Update for the x2APIC support in the AMD IOMMU driver.
- Preparation patches for Intel VT-d nested mode support.
- RMRR and identity domain handling fixes for the Intel VT-d driver.
- More small fixes and cleanups.
* tag 'iommu-updates-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (87 commits)
iommu/amd: Remove the unnecessary assignment
iommu/vt-d: Remove unnecessary WARN_ON_ONCE()
iommu/vt-d: Unnecessary to handle default identity domain
iommu/vt-d: Allow devices with RMRRs to use identity domain
iommu/vt-d: Add RMRR base and end addresses sanity check
iommu/vt-d: Mark firmware tainted if RMRR fails sanity check
iommu/amd: Remove unused struct member
iommu/amd: Replace two consecutive readl calls with one readq
iommu/vt-d: Don't reject Host Bridge due to scope mismatch
PCI/ATS: Add PASID stubs
iommu/arm-smmu-v3: Return -EBUSY when trying to re-add a device
iommu/arm-smmu-v3: Improve add_device() error handling
iommu/arm-smmu-v3: Use WRITE_ONCE() when changing validity of an STE
iommu/arm-smmu-v3: Add second level of context descriptor table
iommu/arm-smmu-v3: Prepare for handling arm_smmu_write_ctx_desc() failure
iommu/arm-smmu-v3: Propagate ssid_bits
iommu/arm-smmu-v3: Add support for Substream IDs
iommu/arm-smmu-v3: Add context descriptor tables allocators
iommu/arm-smmu-v3: Prepare arm_smmu_s1_cfg for SSID support
ACPI/IORT: Parse SSID property of named component node
...
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