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authorBenjamin Herrenschmidt <benh@au1.ibm.com>2006-06-07 12:06:20 +1000
committerPaul Mackerras <paulus@samba.org>2006-06-09 21:24:10 +1000
commit3b5e905ee3bd23e9311951890aba57a0dbc81ca4 (patch)
tree700e3dd7e21b09006216647fb0dec284b682f2ab /kernel/sys.c
parent[PATCH] powerpc: oprofile support for POWER6 (diff)
downloadlinux-dev-3b5e905ee3bd23e9311951890aba57a0dbc81ca4.tar.xz
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[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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