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 743F6C4332E for ; Fri, 20 Mar 2020 11:50:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 53A6420732 for ; Fri, 20 Mar 2020 11:50:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727047AbgCTLuX (ORCPT ); Fri, 20 Mar 2020 07:50:23 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:35428 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726814AbgCTLuW (ORCPT ); Fri, 20 Mar 2020 07:50:22 -0400 Received: from p5de0bf0b.dip0.t-ipconnect.de ([93.224.191.11] helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1jFGAH-0002xt-1n; Fri, 20 Mar 2020 12:50:13 +0100 Received: by nanos.tec.linutronix.de (Postfix, from userid 1000) id 8A7CA100375; Fri, 20 Mar 2020 12:50:12 +0100 (CET) From: Thomas Gleixner To: Stephen Rothwell , Waiman Long Cc: Qian Cai , "Joel Fernandes \(Google\)" , "Paul E. McKenney" , rcu@vger.kernel.org, LKML , Peter Zijlstra , Will Deacon , Ingo Molnar , Frederic Weisbecker Subject: Re: Hard lockups due to "tick/common: Make tick_periodic() check for missing ticks" In-Reply-To: <20200320130017.6457a1e8@canb.auug.org.au> References: <11BEA1A5-2E93-4E01-A05C-A6BA73A74CEB@lca.pw> <218eed57-27c8-12c0-6f5f-111874798c21@redhat.com> <20200320130017.6457a1e8@canb.auug.org.au> Date: Fri, 20 Mar 2020 12:50:12 +0100 Message-ID: <87zhcb2qkr.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Stephen Rothwell writes: Thu, 19 Mar 2020 15:00:35 -0400 Waiman Long wrote: >> I am fine for reverting the patch for now. I am still having some >> trouble reproducing it and I have other tasks to work on right now. I >> will get to the bottom of it and resubmit a new patch later on. > > I have reverted that commit from linux-next today. I did the same in the tip tree.