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

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On 10/21/20 1:03 PM, Jerry Snitselaar wrote:
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
       ^^^^^
ah yes.... seems like this is a common problem with many of these config's that are arch-specific (i.e., improperly put in non-arch, common area).
... btw: common + generic ... what am I missing that one of those names isn't redundant?


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

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