[src/trunk]: src/sys/dev/pci Do not call virtio_start_vq_intr() for ctrlq

[yamaguchi <yamaguchi%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2e8a252b7b4d
branches:  trunk
changeset: 448475:2e8a252b7b4d
user:      yamaguchi <yamaguchi%NetBSD.org@localhost>
date:      Mon Feb 04 02:49:28 2019 +0000

description:
Do not call virtio_start_vq_intr() for ctrlq
unless the iface has a control queue

diffstat:

 sys/dev/pci/if_vioif.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 72dae395fe66 -r 2e8a252b7b4d sys/dev/pci/if_vioif.c
--- a/sys/dev/pci/if_vioif.c    Mon Feb 04 01:46:59 2019 +0000
+++ b/sys/dev/pci/if_vioif.c    Mon Feb 04 02:49:28 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_vioif.c,v 1.46 2019/01/14 15:00:27 yamaguchi Exp $  */
+/*     $NetBSD: if_vioif.c,v 1.47 2019/02/04 02:49:28 yamaguchi Exp $  */
 
 /*
  * Copyright (c) 2010 Minoura Makoto.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_vioif.c,v 1.46 2019/01/14 15:00:27 yamaguchi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_vioif.c,v 1.47 2019/02/04 02:49:28 yamaguchi Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_net_mpsafe.h"
@@ -1029,6 +1029,8 @@
        }
 
        virtio_reinit_end(vsc);
+
+       if (sc->sc_has_ctrl)
                virtio_start_vq_intr(vsc, ctrlq->ctrlq_vq);
 
        r = vioif_ctrl_mq_vq_pairs_set(sc, sc->sc_req_nvq_pairs);