xen: only start xend in dom0 kernels.

--HG--
extra : convert_revision : 7a32ad68f42a0734920f3facabd845938e2a85ab

srcpkgs/xen/files/xend.rc

@@ -12,9 +12,10 @@ depend()
 
 start()
 {
+	if test -d /proc/xen; then
 		modprobe -q xen-evtchn || eend $? "Failed to load xen-evtchn module!"
 
-	if test -d /proc/xen && ! test -d /proc/xen/capabilities && \
+		if  ! test -d /proc/xen/capabilities && \
 		    ! grep '     xenfs$' /proc/filesystems >/dev/null && \
 		    ! grep '^xenfs ' /proc/mounts >/dev/null; then
 			ebegin "Mounting xenfs for xend"
@@ -24,6 +25,9 @@ start()
 		ebegin "Starting xend"
 		${command} start
 		eend $?
+	else
+		eerror "xend needs dom0 support, aborting"
+	fi
 }
 
 stop()