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 28B44C77B7F for ; Fri, 5 May 2023 11:38:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231749AbjEELhs (ORCPT ); Fri, 5 May 2023 07:37:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229570AbjEELhp (ORCPT ); Fri, 5 May 2023 07:37:45 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 21D5C2694 for ; Fri, 5 May 2023 04:37:44 -0700 (PDT) Received: from canpemm500010.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4QCT87573TzTkF3; Fri, 5 May 2023 19:33:11 +0800 (CST) Received: from [10.174.176.93] (10.174.176.93) by canpemm500010.china.huawei.com (7.192.105.118) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.23; Fri, 5 May 2023 19:37:41 +0800 Message-ID: <29864a44-c548-3de9-7053-25915e7e0702@huawei.com> Date: Fri, 5 May 2023 19:37:41 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 Subject: Re: [Question] softlockup in run_timer_softirq To: John Stultz CC: Frank Woo , Rhine Wu , "tglx@linutronix.de" , "sboyd@kernel.org" , "linux-kernel@vger.kernel.org" , "peterz@infradead.org" , "Paul E. McKenney" References: <5a334292-3e2d-9926-57ec-d52f88e1e324@huawei.com> From: "liujian (CE)" In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.174.176.93] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To canpemm500010.china.huawei.com (7.192.105.118) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2023/5/4 10:59, John Stultz wrote: > On Wed, May 3, 2023 at 6:50 PM liujian (CE) wrote: >> On 2023/5/2 11:06, John Stultz wrote: >>> So I wanted to revive this old thread, as Frank Woo mentioned his team >>> has seen a similar issue as well. >>> >>> Liujian: I'm curious if you've made any further progress with your >>> adapted patch ontop of PeterZ's softirq_needs_break patch series? >>> >> Hi John, >> Only the commit ("softirq, timer: Use softirq_needs_break()") is >> added to the patchset of Peter, and no other modification is made. >>> Might it be worth re-submitting the whole series for consideration upstream? >>> >> I agree very much and expect, because we often encounter similar >> problems when doing fuzzy tests (especially when the test machine is poor). > > Ok. Will you submit the series + your patch to the list for review and > consideration then? > The patch[1] has been sent out. Please help review it. Thank you very much. [1] https://lore.kernel.org/lkml/20230505113315.3307723-1-liujian56@huawei.com/ > Please include Frank and Rhine on CC so they can validate and provide > Tested-by: tags if it works for them as well. > > thanks > -john