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;
}
}
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