From b6935f8cd915cf11c5222cab5ecc6a45adb2270c Mon Sep 17 00:00:00 2001
From: Christian Kujau <lists@nerdbynature.de>
Date: Tue, 31 May 2011 15:22:05 +0000
Subject: [PATCH] Document powerpc udbg-immortal

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

  > commit 3b5e905ee3bd23e9311951890aba57a0dbc81ca4
  > 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>
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