rocklinux/package/x86/microcode_ctl/microcode.init

#!/bin/sh
#
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# 
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# ROCK Linux: rock-src/package/x86/microcode_ctl/microcode.init
# ROCK Linux is Copyright (C) 1998 - 2006 Clifford Wolf
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version. A copy of the GNU General Public
# License can be found at Documentation/COPYING.
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# Many people helped and are helping developing ROCK Linux. Please
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# Desc: Upload microcode updates on Intel (no AMD) CPUs
# Runlevel: 04 rcX rc1 rc2 rc3 rc4 rc5
#

grep -q GenuineIntel /proc/cpuinfo || exit 0
[ "$1" = stop ] && exit 0

main_begin

    block_begin(start, `Uploading CPU microcode update.')
	modprobe -q microcode 2> /dev/null
	check(`microcode_ctl -q -u')
    block_end

main_end