From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f54.google.com (mail-wm0-f54.google.com [74.125.82.54]) by dpdk.org (Postfix) with ESMTP id 7ED6F37B4 for ; Thu, 9 Mar 2017 14:46:29 +0100 (CET) Received: by mail-wm0-f54.google.com with SMTP id n11so56454933wma.0 for ; Thu, 09 Mar 2017 05:46:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:user-agent:in-reply-to :references:mime-version:content-transfer-encoding; bh=VOppeH56CaLvw33yjFqFQjq2w6iZiO6BHFcPlZWXyOE=; b=aUPO/mh8KWnXabTmzHPoabFqYvE/fyXPVB/50y5q+OGVSta66jhV/ibeDGA5gaO7XZ kffqXzvvWd+/ed7NsnovdZRSZDkU2YVEJLSnty9Hzb7J3cFMSM3b17Sse9JIf+LOhEhV cgL0Fx4EpfngTh+9jM2O4aExFFJ463wjP2gYSww5YipVAgMxp+HZ9GaVYcFcR+oCepQV h8MNTJzo0vhFl9zDR2Rkva882u5qaGuJsyT0X35wkarUzRVzhnqLqHORwm5j66hbr+O8 /+VzDdkJORzWKhjWWv1IgVXTEajSem74ZsW/wzKmQ6gUpWYHUXnICJyigA38GFlZI7Kl EuMA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:user-agent :in-reply-to:references:mime-version:content-transfer-encoding; bh=VOppeH56CaLvw33yjFqFQjq2w6iZiO6BHFcPlZWXyOE=; b=UL12QCvcxEZmmPms4PBYZDLbUq41NyHUnGiOSZqWsI2Gq7dfO2sCxxWEWj/jnu+qDE Q224ZOzrLZCfMGE5bNYhZR2ud2c7TAfVm9kFtA8GRegxVduWl+Jc1GhxR/9r6/TzJf3c G6Verhc6OOBbOrLyP7Fe+Js5AnPdwOW5TUQfGrguOe/8qB7vW03EqgU3Wdja9VmsLf+R Y0emz6od7b/dg656qTtUmynJlJXChk3TcvBe80a7wmPPZp38StoFfXv4Aqtiw/9oh75g Uvxoap2wupFwGIZY0We9r7X38k3yCeNgNkd3tnKEnlzhi4Em0SXr7/8YzBuiu+VZ/1io 6jeg== X-Gm-Message-State: AMke39kVS15ELlKR/s7gjtAm05Bv0pJBg2nMoC/9NOm7D/92M3ycspAvcEMDQLtcUxs4gjB6 X-Received: by 10.28.158.87 with SMTP id h84mr27458752wme.4.1489067189190; Thu, 09 Mar 2017 05:46:29 -0800 (PST) Received: from xps13.localnet (184.203.134.77.rev.sfr.net. [77.134.203.184]) by smtp.gmail.com with ESMTPSA id 65sm8302842wri.53.2017.03.09.05.46.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 09 Mar 2017 05:46:28 -0800 (PST) From: Thomas Monjalon To: Rich Lane , Yuanhan Liu Cc: dev@dpdk.org, Huawei Xie , "Wang, Zhihong" Date: Thu, 09 Mar 2017 14:46:27 +0100 Message-ID: <1912247.matrgae8HA@xps13> User-Agent: KMail/4.14.10 (Linux/4.5.4-1-ARCH; KDE/4.14.11; x86_64; ; ) In-Reply-To: References: <1471291224-12755-1-git-send-email-rich.lane@bigswitch.com> <20160822141636.GC30752@yliu-dev.sh.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Subject: Re: [dpdk-dev] [PATCH] vhost: add back support for concurrent enqueue 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: , X-List-Received-Date: Thu, 09 Mar 2017 13:46:29 -0000 2016-08-23 15:42, Rich Lane: > On Mon, Aug 22, 2016 at 7:16 AM, Yuanhan Liu > wrote: > > On Thu, Aug 18, 2016 at 11:27:06AM -0700, Rich Lane wrote: > > > I could also add back concurrent enqueue support for mergeable RX= , but I > > > was hoping to avoid that since the mergeable codepath is already = complex > > > and wouldn't be used in high performance deployments. > > > > Another note is that, you might also have noticed, Zhihong made a p= atch > > set [0] to optimize the enqueue code path (mainly on mergeable path= ). It > > basically does a rewrite from scatch, which removes the desc buf > > reservation, > > meaning it would be harder to do concurrent enqueue support based o= n that. > > > > [0]: Aug 19 Zhihong Wang ( 68) =E2=94=9C=E2=94=80>[PATCH v3 0/5= ] vhost: optimize > > enqueue >=20 > Yes, I'd noticed that these patches would conflict. Once the vhost-cu= se > removal and > Zhihong's patches have merged I'll send a new version. What is the status of this feature?