From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751423AbcGOVk5 (ORCPT ); Fri, 15 Jul 2016 17:40:57 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:54740 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750869AbcGOVk4 (ORCPT ); Fri, 15 Jul 2016 17:40:56 -0400 Date: Fri, 15 Jul 2016 14:40:54 -0700 (PDT) Message-Id: <20160715.144054.1758876801096882335.davem@davemloft.net> To: jasowang@redhat.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com Subject: Re: [PATCH net-next 1/2] macvtap: avoid hash calculating for single queue From: David Miller In-Reply-To: <1468568791-30024-1-git-send-email-jasowang@redhat.com> References: <1468568791-30024-1-git-send-email-jasowang@redhat.com> X-Mailer: Mew version 6.7 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Fri, 15 Jul 2016 14:40:55 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jason Wang Date: Fri, 15 Jul 2016 03:46:30 -0400 > We decide the rxq through calculating its hash which is not necessary > if we only have one rx queue. So this patch skip this and just return > queue 0. Test shows 22% improving on guest rx pps. > > Before: 1201504 pkts/s > After: 1472731 pkts/s > > Signed-off-by: Jason Wang Applied.