From patchwork Wed Apr 1 08:15:01 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 457135 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 6D56C14008F for ; Wed, 1 Apr 2015 19:22:38 +1100 (AEDT) Received: from localhost ([::1]:42120 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YdDv2-00086O-8p for incoming@patchwork.ozlabs.org; Wed, 01 Apr 2015 04:22:36 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39126) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YdDon-0004qv-2N for qemu-devel@nongnu.org; Wed, 01 Apr 2015 04:16:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YdDoi-0002e3-IA for qemu-devel@nongnu.org; Wed, 01 Apr 2015 04:16:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33804) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YdDoi-0002dr-BB for qemu-devel@nongnu.org; Wed, 01 Apr 2015 04:16:04 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t318FwSJ021726 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 1 Apr 2015 04:15:58 -0400 Received: from jason-ThinkPad-T430s.redhat.com (vpn1-6-136.pek2.redhat.com [10.72.6.136]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t318FExi006923; Wed, 1 Apr 2015 04:15:53 -0400 From: Jason Wang To: qemu-devel@nongnu.org Date: Wed, 1 Apr 2015 16:15:01 +0800 Message-Id: <1427876112-12615-8-git-send-email-jasowang@redhat.com> In-Reply-To: <1427876112-12615-1-git-send-email-jasowang@redhat.com> References: <1427876112-12615-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 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@de.ibm.com, Richard Henderson Subject: [Qemu-devel] [PATCH V5 07/18] 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 --- 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 130535c..c8b87aa 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 */