commit 33cc4751b8f80fc3b800928b9ad93866b2569915
Author: Arkadiusz Miśkiewicz <arekm@maven.pl>
Date:   Tue Dec 18 14:33:12 2018 +0100

    Install blkid in /sbin because udevd expects it to be there.

diff --git a/geninitrd b/geninitrd
index a79b9c3..118333c 100755
--- a/geninitrd
+++ b/geninitrd
@@ -1530,7 +1530,7 @@ chmod a+rx "$RCFILE"
 ln -s linuxrc $DESTDIR/init
 
 # create dirs that we really need
-inst_d /{lib,bin,etc,dev{,/pts,/shm},loopfs,var,proc,run,sys,tmp}
+inst_d /{lib,bin,sbin,etc,dev{,/pts,/shm},loopfs,var,proc,run,sys,tmp}
 
 modules_install "$MODULES"
 
diff --git a/mod-blkid.sh b/mod-blkid.sh
index 8ee2a48..92df9ae 100644
--- a/mod-blkid.sh
+++ b/mod-blkid.sh
@@ -22,12 +22,12 @@ initrd_gen_blkid() {
 	fi
 	verbose "Adding BLKID support to initrd"
 
-	inst_exec $blkid /bin/blkid
+	inst_exec $blkid /sbin/blkid
 	initrd_gen_devices
 	add_linuxrc <<-'EOF'
 		# if built with blkid change ROOT=LABEL=something into ROOT=/dev/device parsed by blkid
 		if [ "${ROOT##LABEL=}" != "${ROOT}" -o "${ROOT##UUID=}" != "${ROOT}" ]; then
-			blkid="$(/bin/blkid -t $ROOT -o device -l)"
+			blkid="$(/sbin/blkid -t $ROOT -o device -l)"
 			if [ -n "$blkid" ]; then
 				ROOT=$blkid
 			fi

commit dc5ca733ed6fe57dfa39d4598a6586069e41d0b0
Author: Arkadiusz Miśkiewicz <arekm@maven.pl>
Date:   Tue Dec 18 14:34:38 2018 +0100

    Install mdadm in /sbin because udevd expects it to be there.

diff --git a/mod-md.sh b/mod-md.sh
index 2b6f587..a358517 100644
--- a/mod-md.sh
+++ b/mod-md.sh
@@ -133,7 +133,7 @@ initrd_gen_md() {
 	fi
 	verbose "Setting up mdadm..."
 
-	inst_exec $mdadm /bin/mdadm
+	inst_exec $mdadm /sbin/mdadm
 
 	echo "DEVICE partitions containers" >> "$DESTDIR/etc/mdadm.conf"
 
@@ -181,7 +181,7 @@ initrd_gen_md() {
 
 	echo "wait_for_files $cr_dev_list" | add_linuxrc
 	add_linuxrc <<-'EOF'
-	mdadm --assemble --scan
+	/sbin/mdadm --assemble --scan
 
 	if [ "$DEBUGINITRD" ]; then
 		[ -e /proc/mdstat ] && echo "/proc/mdstat contents:" && cat /proc/mdstat

commit 3d81f1cd0bc557ad9a1f157b403f0396866c648c
Author: Arkadiusz Miśkiewicz <arekm@maven.pl>
Date:   Tue Dec 18 14:38:55 2018 +0100

    udevd uses ata_id and scsi_id, so install these.

diff --git a/mod-udev.sh b/mod-udev.sh
index 422ef3e..a2491ee 100644
--- a/mod-udev.sh
+++ b/mod-udev.sh
@@ -41,9 +41,11 @@ setup_mod_udev() {
 initrd_gen_udev() {
 	verbose "Setting up udev..."
 
-	inst_d /sbin /etc/udev
+	inst_d /sbin /etc/udev /lib/udev
 	inst_exec $udevd /sbin/udevd
 	inst_exec $udevadm /sbin/udevadm
+	inst_exec /lib/udev/ata_id  /lib/udev/ata_id
+	inst_exec /lib/udev/scsi_id /lib/udev/scsi_id
 	inst /etc/udev/udev.conf /etc/udev/udev.conf
 	# standard udev rules
 	inst_rules 50-udev-default.rules 60-persistent-storage.rules 61-persistent-storage-edd.rules 80-drivers.rules 95-udev-late.rules \

commit 21ad0f7980ce6a0135e4a3c37a94472ed4f1320c
Author: Arkadiusz Miśkiewicz <arekm@maven.pl>
Date:   Tue Dec 18 14:43:20 2018 +0100

    Use existing mechanism for installing udev apps but install regular variants, too if initrd-variants don't exist.

diff --git a/mod-udev.sh b/mod-udev.sh
index a2491ee..87f4b68 100644
--- a/mod-udev.sh
+++ b/mod-udev.sh
@@ -44,8 +44,6 @@ initrd_gen_udev() {
 	inst_d /sbin /etc/udev /lib/udev
 	inst_exec $udevd /sbin/udevd
 	inst_exec $udevadm /sbin/udevadm
-	inst_exec /lib/udev/ata_id  /lib/udev/ata_id
-	inst_exec /lib/udev/scsi_id /lib/udev/scsi_id
 	inst /etc/udev/udev.conf /etc/udev/udev.conf
 	# standard udev rules
 	inst_rules 50-udev-default.rules 60-persistent-storage.rules 61-persistent-storage-edd.rules 80-drivers.rules 95-udev-late.rules \
@@ -57,6 +55,8 @@ initrd_gen_udev() {
 	for e in ata_id cdrom_id collect firmware scsi_id v4l_id; do
 		if [ -e "$initrd_dir/udev/$e" ]; then
 			inst_exec $initrd_dir/udev/$e /lib/udev/$e
+		elif [ -e "/lib/udev/$e" ]; then
+			inst_exec /lib/udev/$e /lib/udev/$e
 		fi
 	done
 
commit b565e95c147bea4e68e4ccf5ad19906d51d2375b
Author: Arkadiusz Miśkiewicz <arekm@maven.pl>
Date:   Wed May 15 21:04:45 2019 +0200

    Prepend cpu microcode to initrd image, so kernel will pick it up when LILO is in use.

diff --git a/geninitrd b/geninitrd
index 118333c..b5d405a 100755
--- a/geninitrd
+++ b/geninitrd
@@ -17,6 +17,7 @@ PROGRAM=${0##*/}
 # list of geninitrd modules which need setup routine after commandline args parsing
 GENINITRD_MODS=""
 COMPRESS=yes
+LILO_MICROCODE=yes
 STRIP=/usr/bin/strip
 target=""
 kernel=""
@@ -1186,6 +1187,16 @@ compress_image() {
 	mv -f "$tmp" "$target"
 }
 
+# prepend file to image
+prepend_file_to_image() {
+	local file="$1" target="$2" tmp
+	tmp=$(mktemp "$target".XXXXXX) || die "mktemp failed"
+
+	cat "$file" "$target" > "$tmp" || return $?
+
+	mv -f "$tmp" "$target"
+}
+
 if [ -r /etc/sysconfig/geninitrd ]; then
 	. /etc/sysconfig/geninitrd
 fi
@@ -1801,6 +1812,14 @@ else
 	cp -a "$IMAGE" "$target"
 fi
 
+# microcode support for lilo
+if ! is_no "$LILO_MICROCODE"; then
+	if [ -x /sbin/lilo -a -f "/boot/intel-ucode.img" ]; then
+		verbose "Prepending $target with microcode image /boot/intel-ucode.img for LILO"
+		prepend_file_to_image "/boot/intel-ucode.img" "$target"
+	fi
+fi
+
 # XXX. check if bootsplash can output data to tmp dir not directly to initramfs image.
 initrd_gen_bootsplash "$target"
 
diff --git a/geninitrd.sysconfig b/geninitrd.sysconfig
index ccf177c..1268324 100644
--- a/geninitrd.sysconfig
+++ b/geninitrd.sysconfig
@@ -18,6 +18,9 @@
 # Default is to use initramfs for >= 2.5.0.
 #INITRDFS=initramfs
 
+# Should we prepend cpu microcode when lilo is installed
+#LILO_MICROCODE=no
+
 ## Use udev to create /dev?
 USE_UDEV=yes