Arch handles loading modules from udev in a somewhat customized manner.

modules.d/95udev-rules/install

@@ -46,6 +46,7 @@ pcmcia-check-broken-cis \
     [ -e /lib/udev/$i ] && dracut_install /lib/udev/$i
 done
 
+[ -f /etc/arch-release ] && inst "$moddir/load-modules.sh" /lib/udev/load-modules.sh
 
 if ldd $(find_binary udevd) |grep -q /lib64/; then
     dracut_install /lib64/libnss_files*

modules.d/95udev-rules/load-modules.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+# Implement blacklisting for udev-loaded modules
+
+modprobe -b "$@"
+
+# vim: set et ts=4: