intel-iommu: Enable super page (2MiB, 1GiB, etc.) support

[mirror_ubuntu-jammy-kernel.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index cc85a927819070bef71e5802204b0f07cfb76973..d005487c1a22ca571aff8852fb0d042a29e058e9 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -999,7 +999,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        With this option on every unmap_single operation will
                        result in a hardware IOTLB flush operation as opposed
                        to batching them for performance.
-
+               sp_off [Default Off]
+                       By default, super page will be supported if Intel IOMMU
+                       has the capability. With this option, super page will
+                       not be supported.
        intremap=       [X86-64, Intel-IOMMU]
                        Format: { on (default) | off | nosid }
                        on      enable Interrupt Remapping (default)