1 files changed, 23 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 239e78a1fcd0..cd6f464b919c 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -812,6 +812,19 @@ and is between 256 and 4096 characters. It is defined in the file
 
         inttest=        [IA64]
 
+        iommu=          [x86]
+                off
+                force
+                noforce
+                biomerge
+                panic
+                nopanic
+                merge
+                nomerge
+                forcesac
+                soft
+
+
         intel_iommu=    [DMAR] Intel IOMMU driver (DMAR) option
                 off
                         Disable intel iommu driver.
@@ -928,6 +941,11 @@ and is between 256 and 4096 characters. It is defined in the file
         kstack=N        [X86-32,X86-64] Print N words from the kernel stack
                         in oops dumps.
 
+        kgdboc=         [HW] kgdb over consoles.
+                        Requires a tty driver that supports console polling.
+                        (only serial suported for now)
+                        Format: <serial_device>[,baud]
+
         l2cr=           [PPC]
 
         lapic           [X86-32,APIC] Enable the local APIC even if BIOS
@@ -1134,6 +1152,11 @@ and is between 256 and 4096 characters. It is defined in the file
                                  or
                                  memmap=0x10000$0x18690000
 
+        memtest=        [KNL,X86_64] Enable memtest
+                        Format: <integer>
+                        range: 0,4 : pattern number
+                        default : 0 <disable>
+
         meye.*=         [HW] Set MotionEye Camera parameters
                         See Documentation/video4linux/meye.txt.