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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 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 82BDBC3276D for ; Thu, 2 Jan 2020 17:08:00 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 48866222C3 for ; Thu, 2 Jan 2020 17:08:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 48866222C3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D3E378E0005; Thu, 2 Jan 2020 12:07:59 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id CEE658E0003; Thu, 2 Jan 2020 12:07:59 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C04C38E0005; Thu, 2 Jan 2020 12:07:59 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0215.hostedemail.com [216.40.44.215]) by kanga.kvack.org (Postfix) with ESMTP id A89058E0003 for ; Thu, 2 Jan 2020 12:07:59 -0500 (EST) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with SMTP id 58B72181AC9B6 for ; Thu, 2 Jan 2020 17:07:59 +0000 (UTC) X-FDA: 76333326678.02.bomb79_7fe9b56901f14 X-HE-Tag: bomb79_7fe9b56901f14 X-Filterd-Recvd-Size: 2494 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf39.hostedemail.com (Postfix) with ESMTP for ; Thu, 2 Jan 2020 17:07:58 +0000 (UTC) Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 90FD92085B; Thu, 2 Jan 2020 17:07:56 +0000 (UTC) Date: Thu, 2 Jan 2020 12:07:52 -0500 From: Steven Rostedt To: Qian Cai Cc: Sergey Senozhatsky , Andrew Morton , Linus Torvalds , tytso@mit.edu, Arnd Bergmann , gregkh@linuxfoundation.org, pmladek@suse.com, Catalin Marinas , Will Deacon , dan.j.williams@intel.com, Peter Zijlstra , longman@redhat.com, Thomas Gleixner , Linux-MM , linux-arm-kernel@lists.infradead.org, Linux Kernel Mailing List Subject: Re: [PATCH] char/random: silence a lockdep splat with printk() Message-ID: <20200102120752.7b893b1e@gandalf.local.home> In-Reply-To: <1CA39814-DE67-4112-8F97-D62B9F47FF9D@lca.pw> References: <20191205010055.GO93017@google.com> <4F9E9335-334B-4600-8BC3-4AF91510D113@lca.pw> <1CA39814-DE67-4112-8F97-D62B9F47FF9D@lca.pw> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, 2 Jan 2020 10:42:51 -0500 Qian Cai wrote: > > On Dec 16, 2019, at 8:52 PM, Qian Cai wrote: > > > > > > > >> On Dec 4, 2019, at 8:00 PM, Sergey Senozhatsky wrote: > >> > >> A 'Reviewed-by' will suffice. > >> > >> Reviewed-by: Sergey Senozhatsky > > > > Ted, could you take a look at this trivial patch? > > Not sure if Ted is still interested in maintaining this file as he had no feedback for more > than a month. The problem is that this will render the lockdep useless for a general > debugging tool as it will disable the lockdep early in the process. > How would this disable lockdep early in the process? The patch is just changing pr_notice() to printk_deferred() correct? -- Steve