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authorChristoph Hellwig <hch@lst.de>2020-07-08 09:30:00 +0200
committerChristoph Hellwig <hch@lst.de>2020-07-19 09:29:23 +0200
commit2f9237d4f6df49b74c51cdac555b0a9979d0c237 (patch)
tree6a09811a657e87bc6b716443993bceb2775a1b8f /arch/x86/Kconfig
parentb4174173005972f8f6497883d08d87e0aba1b604 (diff)
downloadlinux-next-2f9237d4f6df49b74c51cdac555b0a9979d0c237.tar.gz
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 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 883da0abf779..96ab92754158 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -909,6 +909,7 @@ config DMI
config GART_IOMMU
bool "Old AMD GART IOMMU support"
+ select DMA_OPS
select IOMMU_HELPER
select SWIOTLB
depends on X86_64 && PCI && AMD_NB