svn commit: r291023 - head/sys/x86/xen

[Roger Pau Monné]

Author: royger
Date: Wed Nov 18 18:10:28 2015
New Revision: 291023
URL: https://svnweb.freebsd.org/changeset/base/291023

Log:
  xen/intr: properly dispose event channels on resume
  
  All event channels are torn down when performing a migration on Xen, make
  sure all handlers are also removed and the event channel structure is
  properly disposed so it can be reused.
  
  Sponsored by:		Citrix Systems R&D
  MFC after:		2 weeks

Modified:
  head/sys/x86/xen/xen_intr.c

Modified: head/sys/x86/xen/xen_intr.c
==============================================================================
--- head/sys/x86/xen/xen_intr.c	Wed Nov 18 18:09:49 2015	(r291022)
+++ head/sys/x86/xen/xen_intr.c	Wed Nov 18 18:10:28 2015	(r291023)
@@ -780,7 +780,10 @@ xen_intr_resume(struct pic *unused, bool
 				xen_rebind_virq(isrc);
 				break;
 			default:
+				intr_remove_handler(isrc->xi_cookie);
 				isrc->xi_cpu = 0;
+				isrc->xi_type = EVTCHN_TYPE_UNBOUND;
+				isrc->xi_cookie = NULL;
 				break;
 			}
 		}