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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 DMAR_TABLE
select SWIOTLB
select IOASID
help
DMA remapping (DMAR) devices support enables independent address
translations for Direct Memory Access (DMA) from devices.