By default, super page will be supported if Intel IOMMU
has the capability. With this option, super page will
not be supported.
- sm_off [Default Off]
- By default, scalable mode will be supported if the
+ sm_on [Default Off]
+ By default, scalable mode will be disabled even if the
hardware advertises that it has support for the scalable
mode translation. With this option set, scalable mode
- will not be used even on hardware which claims to support
- it.
+ will be used on hardware which claims to support it.
tboot_noforce [Default Off]
Do not force the Intel IOMMU enabled under tboot.
By default, tboot will force Intel IOMMU on, which