From patchwork Sat May 20 08:06:58 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 764945 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 3wVHbJ0Ss7z9s8H for ; Sat, 20 May 2017 18:07:39 +1000 (AEST) Received: from localhost ([::1]:33324 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dBzQG-0001Ba-Df for incoming@patchwork.ozlabs.org; Sat, 20 May 2017 04:07:36 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60082) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dBzPu-0001BI-S7 for qemu-devel@nongnu.org; Sat, 20 May 2017 04:07:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dBzPr-0004tS-MV for qemu-devel@nongnu.org; Sat, 20 May 2017 04:07:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56008) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dBzPr-0004tC-GV for qemu-devel@nongnu.org; Sat, 20 May 2017 04:07:11 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 92C6E624CC for ; Sat, 20 May 2017 08:07:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 92C6E624CC Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=maxime.coquelin@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 92C6E624CC Received: from localhost.localdomain (ovpn-112-18.ams2.redhat.com [10.36.112.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 25D737E5CB; Sat, 20 May 2017 08:07:03 +0000 (UTC) From: Maxime Coquelin To: mst@redhat.com, aconole@redhat.com, jasowang@redhat.com, qemu-devel@nongnu.org Date: Sat, 20 May 2017 10:06:58 +0200 Message-Id: <20170520080658.337-1-maxime.coquelin@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Sat, 20 May 2017 08:07:09 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH] vhost_net: do not expose MTU feature bit to kernel backend 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: Maxime Coquelin Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This patch removes MTU from the list of features supported by the kernel backend, so that vhost kernel backend does not have to advertise it to be negotiated. Cc: Aaron Conole Suggested-by: Michael S. Tsirkin Signed-off-by: Maxime Coquelin Acked-by: Aaron Conole --- hw/net/vhost_net.c | 1 - 1 file changed, 1 deletion(-) diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index 22874a9..bdd8633 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -51,7 +51,6 @@ static const int kernel_feature_bits[] = { VIRTIO_RING_F_EVENT_IDX, VIRTIO_NET_F_MRG_RXBUF, VIRTIO_F_VERSION_1, - VIRTIO_NET_F_MTU, VIRTIO_F_IOMMU_PLATFORM, VHOST_INVALID_FEATURE_BIT };