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=-8.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 D3049C433E0 for ; Thu, 11 Feb 2021 18:17:43 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 73E9364E66 for ; Thu, 11 Feb 2021 18:17:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 73E9364E66 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 058CE6B0147; Thu, 11 Feb 2021 13:17:43 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 02EA86B0148; Thu, 11 Feb 2021 13:17:42 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E397A6B0149; Thu, 11 Feb 2021 13:17:42 -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 CA4F06B0147 for ; Thu, 11 Feb 2021 13:17:42 -0500 (EST) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 9A995824999B for ; Thu, 11 Feb 2021 18:17:42 +0000 (UTC) X-FDA: 77806795164.16.AB1786B Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf17.hostedemail.com (Postfix) with ESMTP id A2A2240001FE for ; Thu, 11 Feb 2021 18:17:41 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 32D0C64E62; Thu, 11 Feb 2021 18:17:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1613067461; bh=a/ICQhvy+vCwAeCKLCXy2crzr066Jt2P9U56XoLiHhs=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=KIv+jTuyjEVZseLzLn1Wm+cD02eF4xmTW3WG2LJDxOIw3yqu30mH/OpY6bHr7W7tY KTtFfbMWDkpi8KA+3oA8wWsnG/VWTv/5hhOHotIfBiCOwtjtOJKQBrOeMJjIi9kXPN PTl8KGvZ1jRjJszND4A2inKib1zRUkHI+LxkCYO8KLbWsi1s7kvtVsw2fxfvHd2n64 EdXAhs7OmWErMWLKP9ouC0DNSddtQ8O282p37B2tVwc1rwlY/qeDh6ej8DgrLsCrPo b9owFfDmXLxdiRIotAZ7t0ZW5zaa+NKnvNwt7yM6FNZgRtdfeoVLURjMgVM99eKW6J LpAhlhta/fTQw== Subject: Re: [PATCH 3/3] [v3] lib/vsprintf: debug_never_hash_pointers prints all addresses as unhashed To: Petr Mladek Cc: Pavel Machek , Steven Rostedt , Sergey Senozhatsky , Vlastimil Babka , Andy Shevchenko , Matthew Wilcox , akpm@linux-foundation.org, Linus Torvalds , roman.fietze@magna.com, Kees Cook , John Ogness , akinobu.mita@gmail.com, glider@google.com, Andrey Konovalov , Marco Elver , Rasmus Villemoes , Tetsuo Handa , linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20210210213453.1504219-1-timur@kernel.org> <20210210213453.1504219-4-timur@kernel.org> <20210211123118.GB31708@amd> <9f0c02d9-29d6-95ce-b9b7-27342aa70c6f@kernel.org> From: Timur Tabi Message-ID: Date: Thu, 11 Feb 2021 12:17:38 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Stat-Signature: ffz6jatru7x5fjhjaxrhaoc9bp876u35 X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: A2A2240001FE Received-SPF: none (kernel.org>: No applicable sender policy available) receiver=imf17; identity=mailfrom; envelope-from=""; helo=mail.kernel.org; client-ip=198.145.29.99 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1613067461-144174 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 2/11/21 11:23 AM, Petr Mladek wrote: > There was some pushback against this feature in general. > It should be used deliberately and people must be aware > of the consequences. This is why it is only boot option > and why it prints such a huge warning. The long clear > name helps as well. This is my thinking as well. I wanted it to be a bit obnoxious.