From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH v2 0/5] virtio: Tx performance improvements Date: Wed, 06 Jan 2016 13:03:03 +0100 Message-ID: <2330408.2AHZ8BdDek@xps13> References: <1445231772-17467-1-git-send-email-stephen@networkplumber.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org To: "Xie, Huawei" , Stephen Hemminger 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) In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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.