From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f52.google.com (mail-wm0-f52.google.com [74.125.82.52]) by dpdk.org (Postfix) with ESMTP id 08751AA3B for ; Mon, 20 Jun 2016 17:54:15 +0200 (CEST) Received: by mail-wm0-f52.google.com with SMTP id f126so75169610wma.1 for ; Mon, 20 Jun 2016 08:54:15 -0700 (PDT) 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=gv6qaoksDrPbjKjaaoBHornBEQIOGxnMiEr4XC8v410=; b=lmcUwJF/HvFfV+DrhbCkaYAQTcLj1pF+iSFG9gWWuOebtNdPK83cf7v5VpGkPM2s0s UbEoK9pNpz9eZNpOqJTb7UGLVTF6fycxpymKvFVae9mVuz5OHCtFfXnaZ+WhkjJnAvbk IwIitDysj+kUiFbmXUuynUdefu3yuIgoxtj3adHYvTUlOQtVzODu4/XiZKSS6tZkvgCq 1wWf3Cnd/gLTOMPe2SUQr0QosuzZ748UZL0HxqrhvR2w3Vb4NvbBQAuDHftpOgKOzQo5 vOZxgJquUhNRiefbjrs+VTwLfjcNCUGRUOx/EgQETos4FzAuK5d1zaFy+FJkPS/mui6S CbnA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:user-agent :in-reply-to:references:mime-version:content-transfer-encoding; bh=gv6qaoksDrPbjKjaaoBHornBEQIOGxnMiEr4XC8v410=; b=DAm9Ob6p7G/yGBe7t3APQqb6GjCBONYJ6O5K4JAfi6UagLYA6E129vq0ieY0KFunUw N6D4d8m0h/Jyph7JTktDO5BjjsmPnyUgam/89sHMYvvxTWxWp3FzXqVN/ipAKVrJPCTp LcHGDuiGYIsEBmikODNPXRDgyYUYS9ImbwICicq1JKeBWLyRnp+hEGMTEpKOA1nQzT6w E0CYghRh/Ob5Vse+lcn42HnGmPmDKSSJOrswVYMZV2qvqe8MCPe7R9RYsy2KGJ18d1UT n170c4vA5R2jwu9tQOltLOKTC5/lMiwb964aVsXtB4IrwY0god2ilW6fxutUj+S6CgrS ywwA== X-Gm-Message-State: ALyK8tJG8HmqUlvj0TrDt87jfG4qBd4ZPEtULyOJBzzOGjD6gs4iyvcbk8ESw/AazeexQfbC X-Received: by 10.28.45.142 with SMTP id t136mr4680wmt.40.1466438054820; Mon, 20 Jun 2016 08:54:14 -0700 (PDT) Received: from xps13.localnet (184.203.134.77.rev.sfr.net. [77.134.203.184]) by smtp.gmail.com with ESMTPSA id wb10sm64286229wjc.8.2016.06.20.08.54.14 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 20 Jun 2016 08:54:14 -0700 (PDT) From: Thomas Monjalon To: Ferruh Yigit Cc: Anatoly Burakov , David Marchand , dev@dpdk.org, sergio.gonzalez.monroy@intel.com, kevin.traynor@intel.com, pmatilai@redhat.com Date: Mon, 20 Jun 2016 17:54:13 +0200 Message-ID: <5934694.YE8vpisYaa@xps13> User-Agent: KMail/4.14.10 (Linux/4.5.4-1-ARCH; KDE/4.14.11; x86_64; ; ) In-Reply-To: <57680F7B.5040104@intel.com> References: <1465481396-23968-1-git-send-email-thomas.monjalon@6wind.com> <2195337.EI94ugUIUk@xps13> <57680F7B.5040104@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH] dropping librte_ivshmem X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 Jun 2016 15:54:15 -0000 2016-06-20 16:44, Ferruh Yigit: > On 6/15/2016 7:34 PM, Thomas Monjalon wrote: > > 2016-06-15 19:16, Ferruh Yigit: > >> On 6/9/2016 10:26 PM, Thomas Monjalon wrote: > >>> So this is my proposal: > >>> Someone start working on the above cleanup now, otherwise the whole > >>> rte_ivshmem feature will be deprecated in 16.07 and removed in 16.11. > >> > >> I would like to note that at least SPP (soft patch panel) is using > >> rte_ivshmem feature. > > > > Why? > > Can SPP work without ivshmem? > > > > Can do, it supports both ivshmem and vhost. > But ivshmem gives clearly more performance for VM to VM communication. But SPP is not about performance? My understanding is that it supports what DPDK supports. And the question here is not about the benefit of QEMU ivshmem but the current design of DPDK object sharing via ivshmem (librte_ivshmem).