Merge git://git.infradead.org/intel-iommu
[sfrench/cifs-2.6.git] / Documentation / kernel-parameters.txt
index 61ab1628a057cc2c4d8b11d892d834f7e5f7773a..6726139bd2899038e77ae15f9901351773dd324b 100644 (file)
@@ -1481,6 +1481,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        By default, super page will be supported if Intel IOMMU
                        has the capability. With this option, super page will
                        not be supported.
+               ecs_off [Default Off]
+                       By default, extended context tables will be supported if
+                       the hardware advertises that it has support both for the
+                       extended tables themselves, and also PASID support. With
+                       this option set, extended tables will not be used even
+                       on hardware which claims to support them.
 
        intel_idle.max_cstate=  [KNL,HW,ACPI,X86]
                        0       disables intel_idle and fall back on acpi_idle.