From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f173.google.com (mail-pf0-f173.google.com [209.85.192.173]) by dpdk.org (Postfix) with ESMTP id A9D5C959B for ; Wed, 6 Jan 2016 13:04:15 +0100 (CET) Received: by mail-pf0-f173.google.com with SMTP id e65so185031542pfe.1 for ; Wed, 06 Jan 2016 04:04:15 -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:organization:user-agent :in-reply-to:references:mime-version:content-transfer-encoding :content-type; bh=IJeswdyelhx71s/nFZJEfTWnUESMUaRowY2HvN2ACTM=; b=oGhX7PzOeeZzqTXHic7MU4gC5DJtwMIEQAaHMU/yITN8Jm7U1YNxBTZCF086lkGfk2 VBR5jIDL0XTzzzmCh8OjFQ3mdZ+OiOrsoFmb3lijK3OCHV56E1hjbso/NyE1kgQgpbf6 rusOjWUUg0W83CaKW03A6FKe74yXgjkoWvKcyJWXtpFbYqMYFdQSEUW3/bIDDLPClLIu WsSps/njmmJYPd/bU1/u56OsX+CpfyXDWIzXDv4ZnIQo8fvbkbwrSXDp1wuZBcF2g55E xgVfjSeStUijo7eE/SMoe/YiVUoQlALrJr3wKzXWL47Xku4vvzMsrX14aW6Is7b9Hm9E 6ZPg== 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:organization :user-agent:in-reply-to:references:mime-version :content-transfer-encoding:content-type; bh=IJeswdyelhx71s/nFZJEfTWnUESMUaRowY2HvN2ACTM=; b=DlLyYJHc73oac313S7PrrEh5M1iM34OPtlx9LZgwiHRQ27lX6co1E+wug6ySnouP6K TVvxfuqp6KjEbTuaeRkImfrNHEeu8FIXv5No6q5KmlcGTnZ/e1DI26G9e5/FX919Xwlp N1khqeX7t6bR+vEzV8KO8OQ82JnsifbHzapO+LldCTA6TJPQcBy9gXZIotlrCp7hqz90 uyoDbzGNTGoyvLzA1lMcyEKMTn9RRrd35kUgUTPfuQkNAWJIDZdrJ06GrXM5POB4eB6o EXopkB6XEH45eVh8CIUy2F4pTAJOCRNUKJdtdfmTIsXrPuWPmNvgz4FmDVF/6RxC9zt9 MiCw== X-Gm-Message-State: ALoCoQlyaR0pOFi8CJqmjeyKfozpcZM8ZW1G3uHL6XYIAMkhHl6uVouhJt+Tv8JTO7IZ7Qn1JAVCyIkgIYd2ufALs9aMXDJVvg== X-Received: by 10.98.79.216 with SMTP id f85mr102893118pfj.92.1452081855052; Wed, 06 Jan 2016 04:04:15 -0800 (PST) Received: from xps13.localnet (yarall1.lnk.telstra.net. [139.130.63.250]) by smtp.gmail.com with ESMTPSA id o13sm86086700pfi.2.2016.01.06.04.04.13 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 06 Jan 2016 04:04:14 -0800 (PST) From: Thomas Monjalon To: "Xie, Huawei" , Stephen Hemminger Date: Wed, 06 Jan 2016 13:03:03 +0100 Message-ID: <2330408.2AHZ8BdDek@xps13> Organization: 6WIND User-Agent: KMail/4.14.10 (Linux/4.1.6-1-ARCH; KDE/4.14.11; x86_64; ; ) In-Reply-To: References: <1445231772-17467-1-git-send-email-stephen@networkplumber.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH v2 0/5] virtio: Tx performance improvements 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: Wed, 06 Jan 2016 12:04:16 -0000 2016-01-05 08:10, Xie, Huawei: > On 10/26/2015 10:06 PM, Xie, Huawei wrote: > > On 10/19/2015 1:16 PM, Stephen Hemminger wrote: > >> This is a tested version of the virtio Tx performance improvements > >> that I posted earlier on the list, and described at the DPDK Userspace > >> meeting in Dublin. Together they get a 25% performance improvement for > >> both small packet and large multi-segment packet case when testing > >> from DPDK guest application to Linux KVM host. > >> > >> Stephen Hemminger (5): > >> virtio: clean up space checks on xmit > >> virtio: don't use unlikely for normal tx stuff > >> virtio: use indirect ring elements > >> virtio: use any layout on transmit > >> virtio: optimize transmit enqueue > > There is one open why merge-able header is used in tx path. Since old > > implementation is also using the merge-able header in tx path if this > > feature is negotiated, i choose to ack the patch and address this later > > if not now. > > > > Acked-by: Huawei Xie > > Thomas: > This patch isn't in the patchwork. Does Stephen need to send a new one? Yes please, I cannot find them in patchwork.