Linus Torvalds 336b4dae6d Merge tag 'iommu-updates-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu updates from Joerg Roedel:
 "Core iommufd dependencies from Jason:
   - Change the iommufd fault handle into an always present hwpt handle
     in the domain
   - Give iommufd its own SW_MSI implementation along with some IRQ
     layer rework
   - Improvements to the handle attach API

  Core fixes for probe-issues from Robin

  Intel VT-d changes:
   - Checking for SVA support in domain allocation and attach paths
   - Move PCI ATS and PRI configuration into probe paths
   - Fix a pentential hang on reboot -f
   - Miscellaneous cleanups

  AMD-Vi changes:
   - Support for up to 2k IRQs per PCI device function
   - Set of smaller fixes

  ARM-SMMU changes:
   - SMMUv2 devicetree binding updates for Qualcomm implementations
     (QCS8300 GPU and MSM8937)
   - Clean up SMMUv2 runtime PM implementation to help with wider rework
     of pm_runtime_put_autosuspend()

  Rockchip driver changes:
   - Driver adjustments for recent DT probing changes

  S390 IOMMU changes:
   - Support for IOMMU passthrough

  Apple Dart changes:
   - Driver adjustments to meet ISP device requirements
   - Null-ptr deref fix
   - Disable subpage protection for DART 1"

* tag 'iommu-updates-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (54 commits)
  iommu/vt-d: Fix possible circular locking dependency
  iommu/vt-d: Don't clobber posted vCPU IRTE when host IRQ affinity changes
  iommu/vt-d: Put IRTE back into posted MSI mode if vCPU posting is disabled
  iommu: apple-dart: fix potential null pointer deref
  iommu/rockchip: Retire global dma_dev workaround
  iommu/rockchip: Register in a sensible order
  iommu/rockchip: Allocate per-device data sensibly
  iommu/mediatek-v1: Support COMPILE_TEST
  iommu/amd: Enable support for up to 2K interrupts per function
  iommu/amd: Rename DTE_INTTABLEN* and MAX_IRQS_PER_TABLE macro
  iommu/amd: Replace slab cache allocator with page allocator
  iommu/amd: Introduce generic function to set multibit feature value
  iommu: Don't warn prematurely about dodgy probes
  iommu/arm-smmu: Set rpm auto_suspend once during probe
  dt-bindings: arm-smmu: Document QCS8300 GPU SMMU
  iommu: Get DT/ACPI parsing into the proper probe path
  iommu: Keep dev->iommu state consistent
  iommu: Resolve ops in iommu_init_device()
  iommu: Handle race with default domain setup
  iommu: Unexport iommu_fwspec_free()
  ...
2025-03-26 20:10:09 -07:00
2024-09-01 20:43:24 -07:00
2022-09-28 09:02:20 +02:00
2024-03-18 03:36:32 -06:00

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 reStructuredText markup notation.

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.
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