From: mikeb <mikeb@openbsd.org>
Date: Mon, 1 Aug 2016 14:37:39 +0000 (+0000)
Subject: Don't forget to destroy the taskqueue on interrupt disestablish
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=eb509d4730beb25f51b15c43007d2cf151a8b920;p=openbsd

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 d534be964a4..c12328cd0d1 100644
--- 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();