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  1. RHEL
  2. RHEL-133920

[redhat] New configs in drivers/iommu

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    • eln
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    • kernel / Core / IOMMU
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      Hi,

      As part of the ongoing rebase effort, the following configuration
      options need to be reviewed.

      As a reminder, the ARK configuration flow involves moving unreviewed
      configuration options from the pending directory to the ark directory.
      In the diff below, options are removed from the pending directory and
      added to the ark hierarchy. The final options that need to be ACKed
      are the files that are being added to the ark hierarchy.

      If the value for a file that is added should be changed, please reply
      with a better option.

      ~~~
      Symbol: DEBUG_GENERIC_PT [=n]
      Type : bool
      Defined at drivers/iommu/generic_pt/Kconfig:12
      Prompt: Extra debugging checks for GENERIC_PT
      Depends on: GENERIC_PT [=y]
      Location:
      -> Device Drivers
      -> Generic Radix Page Table (GENERIC_PT [=y])
      -> Extra debugging checks for GENERIC_PT (DEBUG_GENERIC_PT [=n])

      ~~~
      Commit: 7c5b184db714 (genpt: Generic Page Table base API)

      ~~~
      Symbol: IOMMU_IO_PGTABLE_LPAE_KUNIT_TEST [=m]
      Type : tristate
      Defined at drivers/iommu/Kconfig:43
      Prompt: KUnit tests for LPAE
      Depends on: IOMMU_SUPPORT [=y] && IOMMU_IO_PGTABLE_LPAE [=y] && KUNIT [=m]
      Location:
      -> Device Drivers
      -> IOMMU Hardware Support (IOMMU_SUPPORT [=y])
      -> Generic IOMMU Pagetable Support
      -> ARMv7/v8 Long Descriptor Format (IOMMU_IO_PGTABLE_LPAE [=y])
      -> KUnit tests for LPAE (IOMMU_IO_PGTABLE_LPAE_KUNIT_TEST [=m])

      ~~~
      Commit: 7e06063a43d3 (iommu/io-pgtable-arm-selftests: Use KUnit)

      ~~~
      Symbol: IOMMU_PT_KUNIT_TEST [=m]
      Type : tristate
      Defined at drivers/iommu/generic_pt/Kconfig:65
      Prompt: IOMMU Page Table KUnit Test
      Depends on: GENERIC_PT [=y] && IOMMU_PT [=y] && KUNIT [=m] && (IOMMU_PT_AMDV1 [=y] || !IOMMU_PT_AMDV1 [=y]) && (IOMMU_PT_X86_64 [=y] || !IOMMU_PT_X86_64 [=y]) && (IOMMU_PT_VTDSS [=y] || !IOMMU_PT_VTDSS [=y])
      Visible if: GENERIC_PT [=y] && IOMMU_PT [=y] && KUNIT [=m] && (IOMMU_PT_AMDV1 [=y] || !IOMMU_PT_AMDV1 [=y]) && (IOMMU_PT_X86_64 [=y] || !IOMMU_PT_X86_64 [=y]) && (IOMMU_PT_VTDSS [=y] || !IOMMU_PT_VTDSS [=y]) && !KUNIT_ALL_TESTS [=m]
      Location:
      -> Device Drivers
      -> Generic Radix Page Table (GENERIC_PT [=y])
      -> IOMMU Page Tables (IOMMU_PT [=y])
      -> IOMMU Page Table KUnit Test (IOMMU_PT_KUNIT_TEST [=m])

      ~~~
      Commit: 1dd4187f53c3 (iommupt: Add a kunit test for Generic Page Table)

      See Merge Request: https://gitlab.com/cki-project/kernel-ark/-/merge_requests/4255

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