From 2bf6b9045db63e8163ac6a83137077eb8b9ecade Mon Sep 17 00:00:00 2001
From: Dzianis Kahanovich <mahatma@eu.by>
Date: Wed, 5 Jan 2011 15:31:00 +0000
Subject: [PATCH] Adding modules cmdline options for genkernel
 (module.option[=value]). Effective for genkernel's modprobe script or busybox
 "not small" modprobe.

Signed-off-by: Dzianis Kahanovich <mahatma@eu.by>
Updated-by: Richard Yao <ryao@cs.stonybrook.edu>
---
 defaults/linuxrc  | 18 ++++++++++++++++++
 defaults/modprobe |  5 ++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/defaults/linuxrc b/defaults/linuxrc
index 0403b4d..91a3396 100755
--- a/defaults/linuxrc
+++ b/defaults/linuxrc
@@ -39,6 +39,7 @@ FAKE_ROOT=''
 REAL_ROOTFLAGS=''
 ROOTFSTYPE='auto'
 CRYPT_SILENT=0
+mkdir -p /etc/cmdline /etc/modprobe.d
 for x in ${CMDLINE}
 do
 	case "${x}" in
@@ -240,6 +241,23 @@ do
 		nounionfs)
 			USE_UNIONFS_NORMAL=0
 			;;
+		## for "module.param[=val]" we creating
+		## /etc/modprobe.d/module.param.conf: "options module param[=val]"
+		## /etc/cmdline/module.param:"param[=val]"
+		## first for CONFIG_MODPROBE_SMALL=n, next for script modprobe
+		*=*)
+			case "${x%%=*}" in
+			*.*)
+				y="${x%%[=/]*}"
+				echo "options ${x%%.*} ${x#*.}" >"/etc/modprobe.d/$y.conf"
+				echo "${x#*.}" >"/etc/cmdline/$y"
+			;;
+			esac
+		;;
+		*.*)
+			echo "options ${x%%.*} ${x#*.}" >"/etc/modprobe.d/${x%%/*}.conf"
+			echo "${x#*.}" >"/etc/cmdline/${x%%/*}"
+		;;
 	esac
 done
 
diff --git a/defaults/modprobe b/defaults/modprobe
index ba2d890..1f606bd 100755
--- a/defaults/modprobe
+++ b/defaults/modprobe
@@ -110,7 +110,10 @@ modprobe2() {
 			filler=1
 		fi
 	done
-	${INSMOD} ${real_path} > /dev/null 2>&1
+	# placing options into x
+	x="${real_path##*/}"
+	x="`cat "/etc/cmdline/${x%.ko*}".* 2>/dev/null`"
+	${INSMOD} ${real_path} ${x} > /dev/null 2>&1
 	ret=$?
 	if [ ${ret} -eq 0 ]
 	then
-- 
2.26.2