From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 477A4A052A; Mon, 3 Aug 2020 16:55:58 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id EB9162BE1; Mon, 3 Aug 2020 16:55:57 +0200 (CEST) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) by dpdk.org (Postfix) with ESMTP id 1F7FDF64 for ; Mon, 3 Aug 2020 16:55:56 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1596466555; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=MZYtA/cpGMSvpmYiQC1RHXEn/De07VpWgguquXXOzv4=; b=OVyjAhY3ZPPllRK3NmBztawrRgc7aQoDLstdvr/YXQTHdkovI0h2+uEaa7iZrwPuJvGzw0 +S4UHUcAn5FhCCHKOlXQ2L3gDzo+iw8RMoN8kBNLfII2cuG9+eyyBwZTctC1lIn1y6PBOm yzxtSmP+e0xK7UfnPC7/G9g2VLrG310= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-282-3bXdX1hKOnG1GqfJuX6eow-1; Mon, 03 Aug 2020 10:55:52 -0400 X-MC-Unique: 3bXdX1hKOnG1GqfJuX6eow-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D30FE800138; Mon, 3 Aug 2020 14:55:47 +0000 (UTC) Received: from localhost.localdomain (unknown [10.36.110.16]) by smtp.corp.redhat.com (Postfix) with ESMTP id 223BE74F45; Mon, 3 Aug 2020 14:55:41 +0000 (UTC) From: Maxime Coquelin To: dev@dpdk.org, ktraynor@redhat.com, ian.stokes@intel.com, chenbo.xia@intel.com, zhihong.wang@intel.com Cc: ciara.loftus@intel.com, Maxime Coquelin Date: Mon, 3 Aug 2020 16:55:38 +0200 Message-Id: <20200803145538.117096-1-maxime.coquelin@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH] doc: announce Vhost dequeue zero-copy removal 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" Vhost-user dequeue zero-copy support will be removed in 20.11. The only known user is OVS where the feature is still experimental, and has not received any update for several years. This feature faces reliability issues and is often conflicting with new features being implemented. Signed-off-by: Maxime Coquelin --- Hi, the topic was discussed during OVS-DPDK public meeting on July 22nd. Ian, if you had time to discuss the topic with your team and agree with the removal, please ack the patch. If, not please let me know. doc/guides/rel_notes/deprecation.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst index ea4cfa7a48..a923849419 100644 --- a/doc/guides/rel_notes/deprecation.rst +++ b/doc/guides/rel_notes/deprecation.rst @@ -151,3 +151,8 @@ Deprecation Notices Python 2 support will be completely removed in 20.11. In 20.08, explicit deprecation warnings will be displayed when running scripts with Python 2. + +* vhost: Vhost-user dequeue zero-copy support will be removed in 20.11. The + only known user is OVS where the feature is still experimental, and has not + received any update for 2.5 years. This feature faces reliability issues and + is often conflicting with new features being implemented. -- 2.26.2