Commits
FUJITA Tomonori committed 18b743dc948
x86, AMD IOMMU: clean up Kconfig entry AMD_IOMMU should depend on IOMMU_HELPER since they are the IOMMU helper functions. SWIOTLB requires IOMMU_HELPER so declaring that AMD_IOMMU depends on SWIOTLB properly fixes the problems. Signed-off-by: Ingo Molnar <mingo@elte.hu>