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: 9738517 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EA67D601C2 for ; Sat, 20 May 2017 08:07:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D11A6285C3 for ; Sat, 20 May 2017 08:07:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C24FE285C1; Sat, 20 May 2017 08:07:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 64E7C285C1 for ; Sat, 20 May 2017 08:07:51 +0000 (UTC) Received: from localhost ([::1]:33324 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dBzQT-0001Ba-TN for patchwork-qemu-devel@patchwork.kernel.org; Sat, 20 May 2017 04:07:49 -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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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 };