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iommu/vt-d: Add build dependency on IOASID

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IOASID code is needed by VT-d scalable mode for PASID allocation.
Add explicit dependency such that IOASID is built-in whenever Intel
IOMMU is enabled.
Otherwise, aux domain code will fail when IOMMU is built-in and IOASID
is compiled as a module.

Fixes: 59a623374d ("iommu/vt-d: Replace Intel specific PASID allocator with IOASID")
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Jacob Pan 2020-03-19 21:32:31 -07:00 committed by Joerg Roedel
parent 902baf61ad
commit 4a663dae47
1 changed files with 1 additions and 0 deletions
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drivers/iommu/Kconfig
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@ -188,6 +188,7 @@ config INTEL_IOMMU
select NEED_DMA_MAP_STATE select NEED_DMA_MAP_STATE
select DMAR_TABLE select DMAR_TABLE
select SWIOTLB select SWIOTLB
select IOASID
help help
DMA remapping (DMAR) devices support enables independent address DMA remapping (DMAR) devices support enables independent address
translations for Direct Memory Access (DMA) from devices. translations for Direct Memory Access (DMA) from devices.