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 37C39C19F2D for ; Thu, 4 Aug 2022 11:23:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232371AbiHDLXi (ORCPT ); Thu, 4 Aug 2022 07:23:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230138AbiHDLXf (ORCPT ); Thu, 4 Aug 2022 07:23:35 -0400 Received: from www262.sakura.ne.jp (www262.sakura.ne.jp [202.181.97.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A67EE2B182; Thu, 4 Aug 2022 04:23:34 -0700 (PDT) Received: from fsav116.sakura.ne.jp (fsav116.sakura.ne.jp [27.133.134.243]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 274BNE8H015743; Thu, 4 Aug 2022 20:23:14 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav116.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav116.sakura.ne.jp); Thu, 04 Aug 2022 20:23:14 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav116.sakura.ne.jp) Received: from [192.168.1.9] (M106072142033.v4.enabler.ne.jp [106.72.142.33]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id 274BNE6x015740 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Thu, 4 Aug 2022 20:23:14 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: Date: Thu, 4 Aug 2022 20:23:12 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.1.0 Subject: Re: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! Content-Language: en-US To: Mikhail Gavrilov , Chris Murphy Cc: David Sterba , Btrfs BTRFS , linux-kernel , dvyukov@google.com References: <20220726164250.GE13489@twin.jikos.cz> <1d1afda7-2b4b-4984-adbe-51339ebbdd18@www.fastmail.com> From: Tetsuo Handa In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022/08/04 16:35, Mikhail Gavrilov wrote: > On Thu, Aug 4, 2022 at 1:01 AM Chris Murphy wrote: >> >> This will be making it into Fedora debug kernels, which have lockdep enabled on them, starting with 5.20 series, which are now building in koji. >> https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1921 > > I saw this change, but it would be good if users of all other > distributions will be happy too. > I'm not a lockdep maintainer. Please submit a patch to lockdep maintainers and persuade lockdep maintainers to change the default value. ;-)