From: Benjamin Herrenschmidt <benh@au1.ibm.com>
Date: Wed, 7 Jun 2006 02:06:20 +0000 (+1000)
Subject: [PATCH] powerpc: Add udbg-immortal kernel option
X-Git-Tag: v2.6.18-rc1~1081^2~225^2~70
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3b5e905ee3bd23e9311951890aba57a0dbc81ca4;p=pandora-kernel.git

[PATCH] powerpc: Add udbg-immortal kernel option

When debugging early kernel crashes that happen after console_init() and
before a proper console driver takes over, we often have to go hack into
udbg.c to prevent it from unregistering so we can "see" what is
happening. This patch adds a kernel command line option "udbg-immortal"
instead to avoid having to modify the kernel.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

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