From patchwork Fri Apr 17 04:48:31 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 461919 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 59FE41402C2 for ; Fri, 17 Apr 2015 14:54:03 +1000 (AEST) Received: from localhost ([::1]:39462 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YiyHx-0000qK-FG for incoming@patchwork.ozlabs.org; Fri, 17 Apr 2015 00:54:01 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47364) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YiyDH-00005R-Be for qemu-devel@nongnu.org; Fri, 17 Apr 2015 00:49:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YiyDE-0006KM-5j for qemu-devel@nongnu.org; Fri, 17 Apr 2015 00:49:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41409) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YiyDD-0006KC-Uq for qemu-devel@nongnu.org; Fri, 17 Apr 2015 00:49:08 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t3H4n3YD014689 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 17 Apr 2015 00:49:03 -0400 Received: from jason-ThinkPad-T430s.redhat.com (dhcp-14-122.nay.redhat.com [10.66.14.122]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t3H4mglp017507; Fri, 17 Apr 2015 00:49:00 -0400 From: Jason Wang To: qemu-devel@nongnu.org Date: Fri, 17 Apr 2015 12:48:31 +0800 Message-Id: <1429246120-29439-8-git-send-email-jasowang@redhat.com> In-Reply-To: <1429246120-29439-1-git-send-email-jasowang@redhat.com> References: <1429246120-29439-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: mst@redhat.com, Jason Wang , Alexander Graf , Christian Borntraeger , Cornelia Huck , Richard Henderson Subject: [Qemu-devel] [PATCH v6 07/16] virtio-ccw: using VIRTIO_NO_VECTOR instead of 0 for invalid virtqueue X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org There's no need to use vector 0 for invalid virtqueue. So this patch changes to use VIRTIO_NO_VECTOR instead. Cc: Michael S. Tsirkin Cc: Cornelia Huck CC: Christian Borntraeger Cc: Richard Henderson Cc: Alexander Graf Signed-off-by: Jason Wang Acked-by: Cornelia Huck --- hw/s390x/virtio-ccw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index d32ecaf..0434f56 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -281,7 +281,7 @@ static int virtio_ccw_set_vqs(SubchDev *sch, uint64_t addr, uint32_t align, virtio_queue_set_addr(vdev, index, addr); if (!addr) { - virtio_queue_set_vector(vdev, index, 0); + virtio_queue_set_vector(vdev, index, VIRTIO_NO_VECTOR); } else { /* Fail if we don't have a big enough queue. */ /* TODO: Add interface to handle vring.num changing */