From patchwork Thu Aug 31 09:50:03 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 28121 X-Patchwork-Delegate: yuanhan.liu@linux.intel.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 6D83D2C72; Thu, 31 Aug 2017 11:51:03 +0200 (CEST) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id E2BDC2C17 for ; Thu, 31 Aug 2017 11:51:01 +0200 (CEST) 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 226B2285B5; Thu, 31 Aug 2017 09:51:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 226B2285B5 Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=maxime.coquelin@redhat.com Received: from localhost.localdomain (ovpn-112-32.ams2.redhat.com [10.36.112.32]) by smtp.corp.redhat.com (Postfix) with ESMTP id 840F3841C1; Thu, 31 Aug 2017 09:50:58 +0000 (UTC) From: Maxime Coquelin To: dev@dpdk.org, yliu@fridaylinux.org, jfreiman@redhat.com, tiwei.bie@intel.com Cc: mst@redhat.com, vkaplans@redhat.com, jasowang@redhat.com, Maxime Coquelin Date: Thu, 31 Aug 2017 11:50:03 +0200 Message-Id: <20170831095023.21037-2-maxime.coquelin@redhat.com> In-Reply-To: <20170831095023.21037-1-maxime.coquelin@redhat.com> References: <20170831095023.21037-1-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 [10.5.110.30]); Thu, 31 Aug 2017 09:51:01 +0000 (UTC) Subject: [dpdk-dev] [PATCH 01/21] Revert "vhost: workaround MQ fails to startup" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This reverts commit 04d81227960b5c1cf2f11f492100979ead20c526. As agreed when this workaround was introduced, it can be reverted as Qemu v2.10 that fixes the issue is now out. The reply-ack feature is required for vhost-user IOMMU support. Signed-off-by: Maxime Coquelin --- lib/librte_vhost/vhost_user.h | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/lib/librte_vhost/vhost_user.h b/lib/librte_vhost/vhost_user.h index 35ebd7190..2ba22dbb0 100644 --- a/lib/librte_vhost/vhost_user.h +++ b/lib/librte_vhost/vhost_user.h @@ -49,14 +49,10 @@ #define VHOST_USER_PROTOCOL_F_REPLY_ACK 3 #define VHOST_USER_PROTOCOL_F_NET_MTU 4 -/* - * disable REPLY_ACK feature to workaround the buggy QEMU implementation. - * Proved buggy QEMU includes v2.7 - v2.9. - */ #define VHOST_USER_PROTOCOL_FEATURES ((1ULL << VHOST_USER_PROTOCOL_F_MQ) | \ (1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD) |\ (1ULL << VHOST_USER_PROTOCOL_F_RARP) | \ - (0ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK) | \ + (1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK) | \ (1ULL << VHOST_USER_PROTOCOL_F_NET_MTU)) typedef enum VhostUserRequest {