From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Roland Franke" Subject: Re: iproute2 4.14.1 tc class add come to kernel-panic Date: Wed, 31 Jan 2018 08:46:54 +0100 Message-ID: <992E917AA62349519EA5C7AC46D8AF55@ROLANDAMD64> References: <9AD3E60C0FF644D9B0EB7D279E3FE8CC@ROLANDAMD64> <1517238148.3715.88.camel@gmail.com> <1E16D55C93FB425AA8431609B1A38168@ROLANDAMD64> <20180129080024.3ac4e72f@xeon-e3> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset="utf-8"; reply-type=original Content-Transfer-Encoding: 7bit Cc: "Stephen Hemminger" , "Eric Dumazet" , "Linux Kernel Network Developers" To: "Cong Wang" Return-path: Received: from mout.kundenserver.de ([212.227.126.130]:52570 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751001AbeAaHqz (ORCPT ); Wed, 31 Jan 2018 02:46:55 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: Hello, > On Tue, Jan 30, 2018 at 9:46 AM, Roland Franke > wrote: >> Hello, >> >>> Well, not min_qdisc things, but it should be resolved by: >> >>> commit efbf78973978b0d25af59bc26c8013a942af6e64 >>> Author: Cong Wang >>> Date: Mon Dec 4 10:48:18 2017 -0800 >> >>> net_sched: get rid of rcu_barrier() in tcf_block_put_ext() >> >> >> Against what kernel-version was this be made? >> patch from https://patchwork.ozlabs.org/patch/844372/ >> will not fit against kernel 4.14.15 >> > It is merged during 4.15 window, it was to address a performance > issue, I don't realize it fixes any bug until you report this. > If you need, we can ask DaveM to queue it for stable, but it may > need some other commit too. It is not for me. It is a general question, if tc schould work with the requested function general not with the kernel-line 4.14 (As i was thinking that this should be come to a very long support. (As i was suggest to read in an german page for computers; but it may be a mistake from my side) Or if the 4.14 series come to a "short end" and then it take no matter when the function not work. Best regards.