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18f1837632
Pull IOMMU updates from Joerg Roedel:
"Nothing big this time. In particular:
- Debugging code for Tegra-GART
- Improvement in Intel VT-d fault printing to prevent soft-lockups
when on fault storms
- Improvements in AMD IOMMU event reporting
- NUMA aware allocation in io-pgtable code for ARM
- Various other small fixes and cleanups all over the place"
* tag 'iommu-updates-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/io-pgtable-arm: Make allocations NUMA-aware
iommu/amd: Prevent possible null pointer dereference and infinite loop
iommu/amd: Fix grammar of comments
iommu: Clean up the comments for iommu_group_alloc
iommu/vt-d: Remove unnecessary parentheses
iommu/vt-d: Clean up pasid quirk for pre-production devices
iommu/vt-d: Clean up unused variable in find_or_alloc_domain
iommu/vt-d: Fix iotlb psi missing for mappings
iommu/vt-d: Introduce __mapping_notify_one()
iommu: Remove extra NULL check when call strtobool()
iommu/amd: Update logging information for new event type
iommu/amd: Update the PASID information printed to the system log
iommu/tegra: gart: Fix gart_iommu_unmap()
iommu/tegra: gart: Add debugging facility
iommu/io-pgtable-arm: Use for_each_set_bit to simplify code
iommu/qcom: Simplify getting .drvdata
iommu: Remove depends on HAS_DMA in case of platform dependency
iommu/vt-d: Ratelimit each dmar fault printing
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.