1 files changed, 6 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index e9261e938f6a..c357a31411cd 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -872,6 +872,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                                If specified, z/VM IUCV HVC accepts connections
                                from listed z/VM user IDs only.
 
+        keep_bootcon    [KNL]
+                        Do not unregister boot console at start. This is only
+                        useful for debugging when something happens in the window
+                        between unregistering the boot console and initializing
+                        the real console.
+
         i2c_bus=        [HW] Override the default board specific I2C bus speed
                              or register an additional I2C bus that is not
                              registered from board initialization code.