The DMA mode PASSTHROUGH is not used on ia64. Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx> --- drivers/iommu/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 70741fd73b07785..63506f1cad3d149 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -91,7 +91,7 @@ choice config IOMMU_DEFAULT_PASSTHROUGH bool "passthrough" - depends on !S390_IOMMU + depends on (!S390_IOMMU && !IA64) help In this mode, the DMA access through IOMMU without any addresses translation. That means, the wrong or illegal DMA access can not -- 1.8.3