1 files changed, 5 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index fd248a318211..960c32138ccb 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2524,6 +2524,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         <port#>,<js1>,<js2>,<js3>,<js4>,<js5>,<js6>,<js7>
                         See also Documentation/input/joystick-parport.txt
 
+        udbg-immortal   [PPC] When debugging early kernel crashes that
+                        happen after console_init() and before a proper 
+                        console driver takes over, this boot options might
+                        help "seeing" what's going on.
+
         uhash_entries=  [KNL,NET]
                         Set number of hash buckets for UDP/UDP-Lite connections