1 files changed, 6 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index c1601e5a8b71..b86f09e7efd4 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -335,6 +335,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                                           requirements as needed. This option
                                           does not override iommu=pt
 
+        amd_iommu_dump= [HW,X86-64]
+                        Enable AMD IOMMU driver option to dump the ACPI table
+                        for AMD IOMMU. With this option enabled, AMD IOMMU
+                        driver will print ACPI tables for AMD IOMMU during
+                        IOMMU initialization.
+
         amijoy.map=     [HW,JOY] Amiga joystick support
                         Map of devices attached to JOY0DAT and JOY1DAT
                         Format: <a>,<b>