Re: [OS-BUILD PATCH] [redhat] New configs in drivers/iommu

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GitLab Bridge on behalf of jeremycline @ 2020-10-16 08:29 MST:

> From: Fedora Kernel Team <kernel-team@xxxxxxxxxxxxxxxxx>
>
> 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.
>
>  CONFIG_ARM_SMMU_V3_SVA:
>
>  Support for sharing process address spaces with devices using the
>  SMMUv3.
>
>  Say Y here if your system supports SVA extensions such as PCIe PASID
>  and PRI.
>
>  Symbol: ARM_SMMU_V3_SVA [=n]
>  Type  : bool
>  Defined at drivers/iommu/Kconfig:311
>    Prompt: Shared Virtual Addressing support for the ARM SMMUv3
>    Depends on: IOMMU_SUPPORT [=y] && ARM_SMMU_V3 [=y]
>    Location:
>      -> Device Drivers
>        -> IOMMU Hardware Support (IOMMU_SUPPORT [=y])
>          -> ARM Ltd. System MMU Version 3 (SMMUv3) Support (ARM_SMMU_V3 [=y])
>
> ---
>
> Cc: Jerry Snitselaar <jsnitsel@xxxxxxxxxx>
> Cc: Myron Stowe <myron.stowe@xxxxxxxxxx>
> Cc: Alex Williamson <alex.williamson@xxxxxxxxxx>
> Cc: Don Dutile <ddutile@xxxxxxxxxx>
> Signed-off-by: Fedora Kernel Team <kernel-team@xxxxxxxxxxxxxxxxx>
> ---
>  .../common/generic/CONFIG_ARM_SMMU_V3_SVA     |  1 +
>  .../generic/CONFIG_ARM_SMMU_V3_SVA            | 21 -------------------
>  2 files changed, 1 insertion(+), 21 deletions(-)
>  create mode 100644 redhat/configs/common/generic/CONFIG_ARM_SMMU_V3_SVA
>  delete mode 100644 redhat/configs/pending-common/generic/CONFIG_ARM_SMMU_V3_SVA
>
> diff --git a/redhat/configs/common/generic/CONFIG_ARM_SMMU_V3_SVA b/redhat/configs/common/generic/CONFIG_ARM_SMMU_V3_SVA
> new file mode 100644
> index 000000000000..425c8fb90256
> --- /dev/null
> +++ b/redhat/configs/common/generic/CONFIG_ARM_SMMU_V3_SVA
> @@ -0,0 +1 @@
> +# CONFIG_ARM_SMMU_V3_SVA is not set
> diff --git a/redhat/configs/pending-common/generic/CONFIG_ARM_SMMU_V3_SVA b/redhat/configs/pending-common/generic/CONFIG_ARM_SMMU_V3_SVA
> deleted file mode 100644
> index 32cecc4a00f8..000000000000
> --- a/redhat/configs/pending-common/generic/CONFIG_ARM_SMMU_V3_SVA
> +++ /dev/null
> @@ -1,21 +0,0 @@
> -# CONFIG_ARM_SMMU_V3_SVA:
> -# 
> -# Support for sharing process address spaces with devices using the
> -# SMMUv3.
> -# 
> -# Say Y here if your system supports SVA extensions such as PCIe PASID
> -# and PRI.
> -# 
> -# Symbol: ARM_SMMU_V3_SVA [=n]
> -# Type  : bool
> -# Defined at drivers/iommu/Kconfig:311
> -#   Prompt: Shared Virtual Addressing support for the ARM SMMUv3
> -#   Depends on: IOMMU_SUPPORT [=y] && ARM_SMMU_V3 [=y]
> -#   Location:
> -#     -> Device Drivers
> -#       -> IOMMU Hardware Support (IOMMU_SUPPORT [=y])
> -#         -> ARM Ltd. System MMU Version 3 (SMMUv3) Support (ARM_SMMU_V3 [=y])
> -# 
> -# 
> -# 
> -# CONFIG_ARM_SMMU_V3_SVA is not set

Would like to enable this, so can this be changed to

CONFIG_ARM_SMMU_V3_SVA=y

and I imagine it should be moved somewhere under common/generic/arm
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