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  2. RHEL-149289

[redhat] New configs in drivers/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: AMD_IOMMU_IOMMUFD [=n]
      Type : bool
      Defined at drivers/iommu/amd/Kconfig:33
      Prompt: Enable IOMMUFD features for AMD IOMMU (EXPERIMENTAL)
      Depends on: IOMMU_SUPPORT [=y] && IOMMUFD [=m] && AMD_IOMMU [=y]
      Location:
      -> Device Drivers
      -> IOMMU Hardware Support (IOMMU_SUPPORT [=y])
      -> AMD IOMMU support (AMD_IOMMU [=y])
      -> Enable IOMMUFD features for AMD IOMMU (EXPERIMENTAL) (AMD_IOMMU_IOMMUFD [=n])

      ~~~
      Commit: 7d8b06ecc45b (iommu/amd: Add support for hw_info for iommu capability query)

      ~~~
      Symbol: IOMMU_DEBUG_PAGEALLOC [=n]
      Type : bool
      Defined at drivers/iommu/Kconfig:387
      Prompt: Debug IOMMU mappings against page allocations
      Depends on: IOMMU_SUPPORT [=y] && DEBUG_PAGEALLOC [=y] && IOMMU_API [=y] && PAGE_EXTENSION [=y]
      Location:
      -> Device Drivers
      -> IOMMU Hardware Support (IOMMU_SUPPORT [=y])
      -> Debug IOMMU mappings against page allocations (IOMMU_DEBUG_PAGEALLOC [=n])

      ~~~
      Commit: 466ae6978a5b (iommu: Add page_ext for IOMMU_DEBUG_PAGEALLOC)

      See Merge Request: https://gitlab.com/cki-project/kernel-ark/-/merge_requests/4371

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