From nobody Fri Nov 7 10:16:23 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1547663863244689.2871982454025; Wed, 16 Jan 2019 10:37:43 -0800 (PST) Received: from localhost ([127.0.0.1]:44816 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gjq4K-0006ml-IJ for importer@patchew.org; Wed, 16 Jan 2019 13:37:40 -0500 Received: from eggs.gnu.org ([209.51.188.92]:46783) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gjpyo-00036h-PV for qemu-devel@nongnu.org; Wed, 16 Jan 2019 13:32:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gjpyo-0007QC-07 for qemu-devel@nongnu.org; Wed, 16 Jan 2019 13:31:58 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53996) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gjpyn-0007P7-EQ for qemu-devel@nongnu.org; Wed, 16 Jan 2019 13:31:57 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B039AA6DE0; Wed, 16 Jan 2019 18:31:56 +0000 (UTC) Received: from dell-per430-12.lab.eng.pek2.redhat.com (dell-per430-12.lab.eng.pek2.redhat.com [10.73.196.55]) by smtp.corp.redhat.com (Postfix) with ESMTP id 236015C22E; Wed, 16 Jan 2019 18:31:53 +0000 (UTC) From: wexu@redhat.com To: wexu@redhat.com, tiwei.bie@intel.com, qemu-devel@nongnu.org Date: Wed, 16 Jan 2019 13:31:10 -0500 Message-Id: <1547663480-547-6-git-send-email-wexu@redhat.com> In-Reply-To: <1547663480-547-1-git-send-email-wexu@redhat.com> References: <1547663480-547-1-git-send-email-wexu@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Wed, 16 Jan 2019 18:31:56 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2 05/15] virtio: init wrap counter for packed ring X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jasowang@redhat.com, maxime.coquelin@redhat.com, jfreiman@redhat.com, mst@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Wei Xu Signed-off-by: Wei Xu --- hw/virtio/virtio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 454da3d..833289e 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -1239,6 +1239,9 @@ void virtio_reset(void *opaque) vdev->vq[i].last_avail_idx =3D 0; vdev->vq[i].shadow_avail_idx =3D 0; vdev->vq[i].used_idx =3D 0; + vdev->vq[i].avail_wrap_counter =3D true; + vdev->vq[i].event_wrap_counter =3D true; + vdev->vq[i].used_wrap_counter =3D true; virtio_queue_set_vector(vdev, i, VIRTIO_NO_VECTOR); vdev->vq[i].signalled_used =3D 0; vdev->vq[i].signalled_used_valid =3D false; --=20 1.8.3.1