CONFIG_SWIOTLB (not configurable)
modulename: dma-swiotlb.ko
and/orswiotlb.ko
and/orpci-swiotlb.ko
configname: CONFIG_SWIOTLB
Linux Kernel Configuration
└─>Processor type and features
└─>SWIOTLB
In linux kernel since version 2.6.12
Support for software bounce buffers used on x86-64 systems
which don't have a hardware IOMMU (e.g. the current generation
of Intel's x86-64 CPUs). Using this PCI devices which can only
access 32-bits of memory can be used on systems with more than
3 GB of memory. If unsure, say Y.
which don't have a hardware IOMMU (e.g. the current generation
of Intel's x86-64 CPUs). Using this PCI devices which can only
access 32-bits of memory can be used on systems with more than
3 GB of memory. If unsure, say Y.