From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next v2] sched: sfq: drop packets after root qdisc lock is released Date: Mon, 28 Aug 2017 15:52:02 -0700 (PDT) Message-ID: <20170828.155202.392537637735368038.davem@davemloft.net> References: <1503759538-32890-1-git-send-email-gfree.wind@vip.163.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, edumazet@google.com, netdev@vger.kernel.org To: gfree.wind@vip.163.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:50388 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751231AbdH1WwD (ORCPT ); Mon, 28 Aug 2017 18:52:03 -0400 In-Reply-To: <1503759538-32890-1-git-send-email-gfree.wind@vip.163.com> Sender: netdev-owner@vger.kernel.org List-ID: From: gfree.wind@vip.163.com Date: Sat, 26 Aug 2017 22:58:58 +0800 > From: Gao Feng > > The commit 520ac30f4551 ("net_sched: drop packets after root qdisc lock > is released) made a big change of tc for performance. But there are > some points which are not changed in SFQ enqueue operation. > 1. Fail to find the SFQ hash slot; > 2. When the queue is full; > > Now use qdisc_drop instead free skb directly. > > Signed-off-by: Gao Feng Applied, thank you.