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-rw-r--r--arch/x86/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a7d50f5d118..32b9ee20ced 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -571,7 +571,7 @@ config AMD_IOMMU
# need this always selected by IOMMU for the VIA workaround
config SWIOTLB
- bool
+ def_bool y if X86_64
help
Support for software bounce buffers used on x86-64 systems
which don't have a hardware IOMMU (e.g. the current generation