From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A1B8C432C0 for ; Mon, 18 Nov 2019 10:46:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DF9A22067D for ; Mon, 18 Nov 2019 10:46:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726668AbfKRKqz convert rfc822-to-8bit (ORCPT ); Mon, 18 Nov 2019 05:46:55 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:49610 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726460AbfKRKqy (ORCPT ); Mon, 18 Nov 2019 05:46:54 -0500 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1iWeYG-0007zG-PF; Mon, 18 Nov 2019 11:46:36 +0100 Date: Mon, 18 Nov 2019 11:46:36 +0100 From: Sebastian Andrzej Siewior To: Joerg Vehlow Cc: Steffen Klassert , Tom Rix , Steven Rostedt , Thomas Gleixner , herbert@gondor.apana.org.au, davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/1] xfrm : lock input tasklet skb queue Message-ID: <20191118104636.yrt5dz2zxvpjtgkk@linutronix.de> References: <20191024103134.GD13225@gauss3.secunet.de> <20191025094758.pchz4wupvo3qs6hy@linutronix.de> <202da67b-95c7-3355-1abc-f67a40a554e9@jv-coder.de> <20191025102203.zmkqvvg5tofaqfw6@linutronix.de> <5b45c8f6-1aa2-2e1e-9019-a140988bba80@jv-coder.de> <20191028151447.xwtyh6hfwfvzwmmu@linutronix.de> <5575bb95-b89a-727d-0587-9c462f1fddef@jv-coder.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: <5575bb95-b89a-727d-0587-9c462f1fddef@jv-coder.de> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019-10-29 08:33:01 [+0100], Joerg Vehlow wrote: > I testes again with 5.0.19-rt10 and 5.0.19-rt11  and I am pretty sure > the bug wasfixed by the changes in rt11. I was able to reproduce it with > rt10 within secondsand unable to reproduce it at all in several minutes on > rt11. Will 4.19 rt patches receive anymore updates? Is it possible to > backport > the changes to softirq/BH habdling from 5.0.16-rt11 to 4.19? Oh, sorry, I almost forgot about it. Please repost the patch, state "RT" next to "PATCH" in the subject line. Please state which kernels are affected (v4.19 and earlier due to BH rework) and how this can be tested. The patch/fix should be included in the affected kernels. The softirq changes are very intrusive and can not be backported for the RT-stable kernels. Sebastian