From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Fastabend Subject: Re: [RFC Patch net-next 5/6] net_sched: use rcu in fast path Date: Fri, 9 Sep 2016 08:25:36 -0700 Message-ID: <57D2D470.2050806@gmail.com> References: <1472795840-31901-1-git-send-email-xiyou.wangcong@gmail.com> <1472795840-31901-6-git-send-email-xiyou.wangcong@gmail.com> <1473173528.10725.14.camel@edumazet-glaptop3.roam.corp.google.com> <57D0FF87.604@gmail.com> <1473341283.15733.33.camel@edumazet-glaptop3.roam.corp.google.com> <57D18894.2070702@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: Eric Dumazet , Linux Kernel Network Developers , Jamal Hadi Salim To: Cong Wang Return-path: Received: from mail-pa0-f45.google.com ([209.85.220.45]:36646 "EHLO mail-pa0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753490AbcIIPZt (ORCPT ); Fri, 9 Sep 2016 11:25:49 -0400 Received: by mail-pa0-f45.google.com with SMTP id id6so29353192pad.3 for ; Fri, 09 Sep 2016 08:25:49 -0700 (PDT) In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On 16-09-08 10:54 PM, Cong Wang wrote: > On Thu, Sep 8, 2016 at 8:49 AM, John Fastabend wrote: >> Agreed not sure why you would ever want to do a late binding and >> replace on a tc_mirred actions. But it is supported... > > I will let Jamal teach you on this, /me is really tired of explaining > things to you John. > This was a meta-comment on the use case for doing this with mirred action. Not necessarily about the patch itself. I was actually curious where this happens in practice. The only thing I can think of is your external logging box moved so you need to send out another port. Is there any open source software that manages 'tc' like this. If so I would like to read it. So do you know of any? .John