rc.d script to load kernel modules

[Doug Barton]

Howdy,

Per discussion on -arch and the svn list about improving boot time and 
stripping down the kernel to just that-which-cannot-be-modularized I 
created the attached script to kldload modules that don't need to be in 
loader.conf. It cut quite a bit of time off my boot, so hopefully it 
will be useful to others as well.

To use it just put everything that is being _load'ed in loader.conf into 
kld_list in rc.conf[.local]. For example, mine has:

kld_list='umass coretemp ichwd linux nvidia if_wpi'

If there is agreement that this is a good direction to go I'll be happy 
to commit this along with the relevant /etc/defaults/rc.conf and 
rc.conf.5 changes.


hth,

Doug

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#!/bin/sh

# $FreeBSD$
#
# PROVIDE: kld
# REQUIRE: FILESYSTEMS
# KEYWORD: nojail
# BEFORE: var

. /etc/rc.subr

name="kld"

start_cmd="${name}_start"
stop_cmd=':'

kld_start()
{
	[ -n "$kld_list" ] || return

	local _kld

	echo 'Loading kernel modules:'
	for _kld in $kld_list ; do
		load_kld -e ${_kld}.ko $_kld
	done
}

load_rc_config $name
run_rc_command "$1"