diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-07-08 10:30:00 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-07-19 10:29:23 +0300 |
| commit | 2f9237d4f6df49b74c51cdac555b0a9979d0c237 (patch) | |
| tree | 6a09811a657e87bc6b716443993bceb2775a1b8f /drivers/iommu/Kconfig | |
| parent | b4174173005972f8f6497883d08d87e0aba1b604 (diff) | |
| download | linux-2f9237d4f6df49b74c51cdac555b0a9979d0c237.tar.xz | |
dma-mapping: make support for dma ops optional
Avoid the overhead of the dma ops support for tiny builds that only
use the direct mapping.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Diffstat (limited to 'drivers/iommu/Kconfig')
| -rw-r--r-- | drivers/iommu/Kconfig | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index b0f308cb7f7c..b622af72448f 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -97,6 +97,7 @@ config OF_IOMMU # IOMMU-agnostic DMA-mapping layer config IOMMU_DMA bool + select DMA_OPS select IOMMU_API select IOMMU_IOVA select IRQ_MSI_IOMMU @@ -183,6 +184,7 @@ config DMAR_TABLE config INTEL_IOMMU bool "Support for Intel IOMMU using DMA Remapping Devices" depends on PCI_MSI && ACPI && (X86 || IA64) + select DMA_OPS select IOMMU_API select IOMMU_IOVA select NEED_DMA_MAP_STATE |