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xen/intr: properly dispose event channels on resume

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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
This commit is contained in:
Roger Pau Monné 2015-11-18 18:10:28 +00:00
parent 531cfe55e2
commit ea64b86f94
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=291023
1 changed files with 3 additions and 0 deletions
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3
sys/x86/xen/xen_intr.c
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@ -780,7 +780,10 @@ xen_intr_resume(struct pic *unused, bool suspend_cancelled)
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;
}
}