From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754077Ab2KUREw (ORCPT ); Wed, 21 Nov 2012 12:04:52 -0500 Received: from shards.monkeyblade.net ([149.20.54.216]:53487 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751821Ab2KUREu (ORCPT ); Wed, 21 Nov 2012 12:04:50 -0500 Date: Wed, 21 Nov 2012 12:04:47 -0500 (EST) Message-Id: <20121121.120447.533618493809264831.davem@davemloft.net> To: paolo.valente@unimore.it Cc: jhs@mojatatu.com, shemminger@vyatta.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, rizzo@iet.unipi.it, fchecconi@gmail.com Subject: Re: [PATCH] pkt_sched: QFQ Plus: fair-queueing service at DRR cost From: David Miller In-Reply-To: <50ACA2AA.1020206@unimore.it> References: <20121120174513.GA21618@paolo-ThinkPad-W520> <20121120.135409.1810847883436963918.davem@davemloft.net> <50ACA2AA.1020206@unimore.it> X-Mailer: Mew version 6.5 on Emacs 24.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Paolo Valente Date: Wed, 21 Nov 2012 10:45:14 +0100 > Got it. Actually, if the first qfq_peek_skb returns NULL, then the > example version that you are proposing apparently may behave in a > different way than the original one: in your proposal the scheduler > tries to switch to a new aggregate and may return a non-NULL value, > whereas the original version would immediately return NULL. I guess > that this slightly different behavior is fine as well, and I am > preparing a new patch that integrates these changes. Thanks.