xend: Remember bootloader settings in xenstore

When xend is restarted, bootloader settings of all running domains are
lost. The attached patches fixes this by saving bootloader and
bootloader_args to xenstore database.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>

tools/python/xen/xend/XendConfig.py

@@ -256,6 +256,8 @@ LEGACY_CFG_TYPES = {
     'on_xend_start': str,
     'online_vcpus':  int,
     'rtc/timeoffset': str,
+    'bootloader':    str,
+    'bootloader_args': str,
 }
 
 # Values that should be stored in xenstore's /vm/<uuid> that is used
@@ -276,6 +278,8 @@ LEGACY_XENSTORE_VM_PARAMS = [
     'on_reboot',
     'on_xend_start',
     'on_xend_stop',
+    'bootloader',
+    'bootloader_args',
 ]
 
 ##