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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 /drivers/xen
parentdma-mapping: inline the fast path dma-direct calls (diff)
downloadlinux-2f9237d4f6df49b74c51cdac555b0a9979d0c237.tar.xz
linux-2f9237d4f6df49b74c51cdac555b0a9979d0c237.zip
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/xen')
-rw-r--r--drivers/xen/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index 727f11eb46b2..1d339ef92422 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -179,6 +179,7 @@ config XEN_GRANT_DMA_ALLOC
config SWIOTLB_XEN
def_bool y
+ select DMA_OPS
select SWIOTLB
config XEN_PCIDEV_BACKEND