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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0236FA3740 for ; Thu, 27 Oct 2022 19:45:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236617AbiJ0TpC (ORCPT ); Thu, 27 Oct 2022 15:45:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236363AbiJ0To7 (ORCPT ); Thu, 27 Oct 2022 15:44:59 -0400 Received: from mail-oi1-x234.google.com (mail-oi1-x234.google.com [IPv6:2607:f8b0:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7EE342315F for ; Thu, 27 Oct 2022 12:44:58 -0700 (PDT) Received: by mail-oi1-x234.google.com with SMTP id i7so3601385oif.4 for ; Thu, 27 Oct 2022 12:44:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :sender:from:to:cc:subject:date:message-id:reply-to; bh=bkWNJkhoPjdxy3msNlSE5uhqnXnU/IZYE+785Ej5bZA=; b=k2Rc21j4zG+ZEqmj+OPwYesCt4FEkjUGkSV6C94zNFUtSg3qEc6MJeOQDgc4s4mMnH 8pfPePeiNZHSxEjt2vw4V0vpbFux1UU2rlhhzI0GiP5xO2Acch/0z1EfaV92ioZdG7b9 l6PL/cHJ88PlyJZRKnM4yDA+yj565svy0wtVx9dhLuFrY73M7EScgQdLnUbov+vmBpm9 KA/1BOegbypqs69E8NA1KanVI+xzdYorwTgKsZjxxpbxAyRNiafVACdR7dTI/0k/Sil6 ZcHakMVpPBGl6KkNgU1KV6DOvZhrjor3p/YlIgIkeSNUa8U6hh1FBYJvwTAdtVUcdsRc P8jg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :sender:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=bkWNJkhoPjdxy3msNlSE5uhqnXnU/IZYE+785Ej5bZA=; b=HvQdhDRbGju3tXyimyqvLQcUKWtrnukbxfO3HyHt/FDZC92+r9SDsGLdm/CYLm2vGF YrLTl7+eUS/8iInWaxhcHCq1lfnYVANL2Kz3KFMDWmwmGSDr32K30QtPS33pIEWJpfjF +fE9wWNLAv74W7nMQNdf3wlyM2A81lL+gRDyEUAWJxXEBRcd8GuyV9uLXrQu2BfeLiHW Z0gKWtR3xp5DHhqF/Iq+PZKgPFr4hqEulhsttmj9W7yHrPsWkf41vn5YKWR5TO+RBIR/ wvznaBPocDESxr8ewhei2BGO+mD0UzFMs45IE5w6ru8nhDZkDxvYAcaUZDU+s7FEL8ig Cwog== X-Gm-Message-State: ACrzQf3EHNux6vHTDNr47ra+R4DsHmhjEsASxqOjKzLyTX6ijgdeLUSh llZtuHSIwlrj5NEiw/2q0Pw= X-Google-Smtp-Source: AMsMyM5riIors1bPC2D1LEmR5lK8J3h4c6Lbl9fAM80jm+IBUKIrkyxlXkkqGDS9j7iFyrVwiHsajw== X-Received: by 2002:a05:6808:199d:b0:355:1b7d:3fef with SMTP id bj29-20020a056808199d00b003551b7d3fefmr5676656oib.288.1666899897907; Thu, 27 Oct 2022 12:44:57 -0700 (PDT) Received: from ?IPV6:2600:1700:e321:62f0:329c:23ff:fee3:9d7c? ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id e18-20020a05680809b200b00359a9663053sm765441oig.4.2022.10.27.12.44.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 27 Oct 2022 12:44:57 -0700 (PDT) Sender: Guenter Roeck Message-ID: <2c994811-e481-d0e3-3e0b-c2a8ac456464@roeck-us.net> Date: Thu, 27 Oct 2022 12:44:56 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.2.2 Subject: Re: [RFC][PATCH v2 00/31] timers: Use del_timer_shutdown() before freeing timers Content-Language: en-US To: Steven Rostedt , Linus Torvalds Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , Stephen Boyd References: <20221027150525.753064657@goodmis.org> <20221027150237.4e69ba27@gandalf.local.home> <20221027151650.77d7e4de@gandalf.local.home> From: Guenter Roeck In-Reply-To: <20221027151650.77d7e4de@gandalf.local.home> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/27/22 12:16, Steven Rostedt wrote: > On Thu, 27 Oct 2022 12:11:43 -0700 > Linus Torvalds wrote: > >> On Thu, Oct 27, 2022 at 12:02 PM Steven Rostedt wrote: >>> >>> So it works on current stable and current mainline? Does that mean we need >>> to worry about this? >> >> No, I think Guenter is saying that current mainline *without* the >> patches works fine. >> >> But v6.1-rc2 (which is quite close to that current mainline) *with* >> the patches blows up. >> >> So it's almost certainly the patches that break. There are no >> appreciable timer changes in those 105 commits (there's some added >> irq_work_sync but that looks very unlikely to be related. >> > > Got it. I'll need to setup an arm64 VM to see if I can reproduce it. > Try http://server.roeck-us.net/qemu/aarch64/ Guenter