From patchwork Fri Feb 6 07:54:10 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 437077 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 833B3140291 for ; Fri, 6 Feb 2015 18:55:01 +1100 (AEDT) Received: from localhost ([::1]:47065 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YJdkh-0002Gn-P4 for incoming@patchwork.ozlabs.org; Fri, 06 Feb 2015 02:54:59 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39263) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YJdkF-0001Xu-Ng for qemu-devel@nongnu.org; Fri, 06 Feb 2015 02:54:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YJdkE-0005JM-TS for qemu-devel@nongnu.org; Fri, 06 Feb 2015 02:54:31 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55263) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YJdkE-0005I4-MO for qemu-devel@nongnu.org; Fri, 06 Feb 2015 02:54:30 -0500 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 t167sTng013268 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Fri, 6 Feb 2015 02:54:29 -0500 Received: from jason-ThinkPad-T430s.nay.redhat.com (dhcp-66-71-84.eng.nay.redhat.com [10.66.71.84] (may be forged)) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t167sGlH023411; Fri, 6 Feb 2015 02:54:27 -0500 From: Jason Wang To: qemu-devel@nongnu.org Date: Fri, 6 Feb 2015 15:54:10 +0800 Message-Id: <1423209253-22222-3-git-send-email-jasowang@redhat.com> In-Reply-To: <1423209253-22222-1-git-send-email-jasowang@redhat.com> References: <1423209253-22222-1-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: Jason Wang , mst@redhat.com Subject: [Qemu-devel] [PATCH 2/5] virtio: increase VIRITO_QUEUE_MAX to 513 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 Recent linux kernel supports up to 256 tap queues. Increase the limit to 513 (256 * 2 + 1(ctrl vq)). Signed-off-by: Jason Wang --- include/hw/virtio/virtio.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 220c09d..21bb30f 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -92,7 +92,7 @@ typedef struct VirtQueueElement struct iovec out_sg[VIRTQUEUE_MAX_SIZE]; } VirtQueueElement; -#define VIRTIO_QUEUE_MAX 64 +#define VIRTIO_QUEUE_MAX 513 #define VIRTIO_NO_VECTOR 0xffff