Make xend set the console limit

diff -r 4e335372ace8 tools/examples/xend-config.sxp
@@ -19,6 +19,9 @@
 # Specifying 'localhost' prevents remote connections.
 # Specifying the empty string '' allows all connections.
 (console-address   'localhost')
+
+# The limit (in kilobytes) on the size of the console buffer
+(console-limit 1024)
 
 ## Use the following if VIF traffic is routed.
 # The script used to start/stop networking for xend.

diff -r 4e335372ace8 tools/python/xen/xend/XendDomainInfo.py
@@ -585,7 +585,7 @@
         to_store = {
             'domid':              str(self.domid),
             'vm':                 self.vmpath,
-
+            'console/limit':      str(xroot.get_console_limit() * 1024),
             'memory/target':      str(self.info['memory_KiB'])
             }
 

diff -r 4e335372ace8 tools/python/xen/xend/XendRoot.py
@@ -267,6 +267,9 @@
     def get_dom0_vcpus(self):
         return self.get_config_int('dom0-cpus', self.dom0_vcpus_default)
 
+    def get_console_limit(self):
+        return self.get_config_int('console-limit', 1024)
+
 def instance():
     """Get an instance of XendRoot.
     Use this instead of the constructor.