From 80fb4b4d11e77127e4ccbd6fc5f4932c7d77f413 Mon Sep 17 00:00:00 2001
From: Andrew Gaffney <agaffney@gentoo.org>
Date: Fri, 9 May 2008 22:15:46 +0000
Subject: [PATCH] Add nomodules kernel commandline parameter to disable loading
 of modules

git-svn-id: svn+ssh://svn.gentoo.org/var/svnroot/genkernel/trunk@675 67a159dc-881f-0410-a524-ba9dfbe2cb84
---
 ChangeLog               |  4 ++++
 generic/initrd.defaults |  4 ++--
 generic/initrd.scripts  |  9 +++------
 generic/linuxrc         | 10 ++++------
 4 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index eb10368..1461b1d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,10 @@
 # Copyright 2006-2008 Gentoo Foundation; Distributed under the GPL v2
 # $Header: $
 
+  09 May 2008; Andrew Gaffney <agaffney@gentoo.org> generic/initrd.defaults,
+  generic/initrd.scripts, generic/linuxrc:
+  Add nomodules kernel commandline parameter to disable loading of modules
+
   09 May 2008; Andrew Gaffney <agaffney@gentoo.org> gen_funcs.sh, genkernel,
   genkernel.conf:
   Move distfile cache to /var/cache/genkernel/src and add check to make sure
diff --git a/generic/initrd.defaults b/generic/initrd.defaults
index ba61cd9..689747f 100644
--- a/generic/initrd.defaults
+++ b/generic/initrd.defaults
@@ -77,5 +77,5 @@ LOOPS='/livecd.loop /zisofs /livecd.squashfs /image.squashfs /livecd.gcloop'
 
 # Only sections that are in by default or those that
 # are not module groups need to be defined here...
-HWOPTS='keymap cache pata sata scsi usb firewire slowusb evms lvm dmraid mdadm fs net'
-MY_HWOPTS='pata sata scsi usb firewire dmraid mdadm fs net'
+HWOPTS='keymap cache modules pata sata scsi usb firewire slowusb evms lvm dmraid mdadm fs net'
+MY_HWOPTS='modules pata sata scsi usb firewire dmraid mdadm fs net'
diff --git a/generic/initrd.scripts b/generic/initrd.scripts
index 3589f40..7e42be9 100644
--- a/generic/initrd.scripts
+++ b/generic/initrd.scripts
@@ -448,13 +448,11 @@ cmdline_hwopts() {
 		do
 			if [ "${y}" = "${x}" ]
 			then 
-				FOUND=1
+				continue 2
 			fi
 		done
-		if [ ! "${FOUND}" = '1' ]
-		then
-			TMP_HWOPTS="${TMP_HWOPTS} ${x}"
-		fi
+		TMP_HWOPTS="${TMP_HWOPTS} ${x}"
+		eval DO_`echo ${x} | sed 's/-//'`=1
 	done
 
 	MY_HWOPTS=${TMP_HWOPTS}
@@ -470,7 +468,6 @@ load_modules() {
 		for modules in $MY_HWOPTS
 		do
 			modules_scan $modules
-			eval DO_`echo $modules | sed 's/-//'`=1
 		done
 	else
 		good_msg 'Skipping module load; no modules in the initrd!'
diff --git a/generic/linuxrc b/generic/linuxrc
index c53a89e..03745f4 100644
--- a/generic/linuxrc
+++ b/generic/linuxrc
@@ -203,7 +203,10 @@ mount_sysfs
 setup_hotplug
 
 # Load modules listed in MY_HWOPTS if /lib/modules exists for the running kernel
-if [ -d "/lib/modules/${KV}" ]
+if [ -z "${DO_modules}" ]
+then
+	good_msg 'Skipping module load; disabled via commandline'
+elif [ -d "/lib/modules/${KV}" ]
 then
 	good_msg 'Loading modules'
 	# Load appropriate kernel modules
@@ -212,16 +215,11 @@ then
 		for modules in ${MY_HWOPTS}
 		do
 			modules_scan ${modules}
-			eval DO_`echo ${modules} | sed 's/-//'`=1
 		done
 	fi
 	# Always eval doload=...
 	modules_load ${MDOLIST}
 else
-	for modules in ${MY_HWOPTS}
-	do
-		eval DO_`echo ${modules} | sed 's/-//'`=1
-	done
 	good_msg 'Skipping module load; no modules in the initrd!'
 fi
 
-- 
2.26.2