Don't forget to destroy the taskqueue on interrupt disestablish

diff --git a/sys/dev/pv/xen.c b/sys/dev/pv/xen.c
index d534be9..c12328c 100644 (file)
--- a/sys/dev/pv/xen.c
+++ b/sys/dev/pv/xen.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: xen.c,v 1.57 2016/07/29 21:27:43 mikeb Exp $  */
+/*     $OpenBSD: xen.c,v 1.58 2016/08/01 14:37:39 mikeb Exp $  */
 
 /*
  * Copyright (c) 2015 Mike Belopuhov
@@ -784,8 +784,11 @@ xen_intr_disestablish(xen_intr_handle_t xih)
 
        evcount_detach(&xi->xi_evcnt);
 
+       /* XXX not MP safe */
        SLIST_REMOVE(&sc->sc_intrs, xi, xen_intsrc, xi_entry);
 
+       taskq_destroy(xi->xi_taskq);
+
        setbit((char *)&sc->sc_ipg->evtchn_mask[0], xi->xi_port);
        clrbit((char *)&sc->sc_ipg->evtchn_pending[0], xi->xi_port);
        virtio_membar_sync();