Document powerpc udbg-immortal

Back in 2006 the "udbg-immortal" kernel option has been introduced:

  > commit 3b5e905ee3
  > Author: Benjamin Herrenschmidt <benh@au1.ibm.com>
  > Date:   Wed Jun 7 12:06:20 2006 +1000
  >
  >  [PATCH] powerpc: Add udbg-immortal kernel option

...but I could not find it documented anywhere in the sources.
This patch adds it to Documentation/kernel-parameters.txt.

Signed-off-by: Christian Kujau <lists@nerdbynature.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Christian Kujau 2011-05-31 15:22:05 +00:00 committed by Benjamin Herrenschmidt
parent 77ef4899f8
commit b6935f8cd9
1 changed files with 5 additions and 0 deletions

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@ -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