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=-2.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 966D7C433DB for ; Wed, 27 Jan 2021 04:06:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 42223206B9 for ; Wed, 27 Jan 2021 04:06:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238113AbhA0EGU (ORCPT ); Tue, 26 Jan 2021 23:06:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37170 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232537AbhA0DEW (ORCPT ); Tue, 26 Jan 2021 22:04:22 -0500 Received: from mail-pg1-x533.google.com (mail-pg1-x533.google.com [IPv6:2607:f8b0:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4F36C0613ED for ; Tue, 26 Jan 2021 18:11:20 -0800 (PST) Received: by mail-pg1-x533.google.com with SMTP id o16so536734pgg.5 for ; Tue, 26 Jan 2021 18:11:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=EH107V0qHe4lpkhqCGoKSuCGg2LIT/KImLmOrT/s6Dw=; b=Wt03rxO9pM9PTlv5wbYP5+mrWYcGk2cHJDzo8RLH8lPT3QCXeNYcEA8WrbesKIne1t uX8FYv4xhstwsopGXCm5qbu9WmS6xEm1whaLlalC3Q3Igro680KVE6zwCul7uYlPC6CB H97rcWMf6sca6KQIKZhFnR1ni0rpx7QX5RieCeb4h+OAqVxA17hyJd3Jw3HEdBor+rLT A2jmtxiVL0yi93V0URJkD47NPsnDikCXvX6pwGVAdBbzzL/jc/6VNLK+SBnpTqH/8ATJ d3fXR9vg1xIv9tjVqbx88DCHBtUMJDL1BO54BEURcj9AkMCKsBvwcvlI1mZfVLJJz33g wjrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=EH107V0qHe4lpkhqCGoKSuCGg2LIT/KImLmOrT/s6Dw=; b=DVuu6gf55CAmf9LAtvInnnLQ0iXItZeRqBUoR8nkXSQVEfsQ01CkB/lwLrEeKNvU4d pbWzzuIxjzrenacVvdE0t+htjkPF1zXqzEIrPaTrTdpwg8DBOwgfjNQ7KixjsAKL2tF5 k51ZBeZt4Pq7s23KOuz7BET+62bgfpxMjWsVApBfhdRkFi6oh5F+IrIyEtHtKHXMHGjO TCV7w16FlO3/mfjydLVTTIXuS5XoxHrwlMUL+Y8tj4dMF9lJcslOcby1s6VcWI652IaY oGHTNfD3GiKookYztQ7Ve43GxjGMZoEUeCOvaKDKJpH2EK44H7JPGFAHVDnrSyPhW/+9 vMuw== X-Gm-Message-State: AOAM532qdPnOGrp1MbqLmTrINan8jAtbR/mm/1I8BLHsLtXQNwCfmXVy sBm8GYmtNC/3tX7DjaVKjyT5H/UC1IF9hA== X-Google-Smtp-Source: ABdhPJyIvaPv1wouz78zD3aKzYPCMkCDcwYI88xdQeGdF4EN9BNFDuXK74eUS3tIUYiQyXaoZpBJNQ== X-Received: by 2002:a63:a301:: with SMTP id s1mr7639161pge.325.1611713480243; Tue, 26 Jan 2021 18:11:20 -0800 (PST) Received: from localhost ([2409:10:2e40:5100:6e29:95ff:fe2d:8f34]) by smtp.gmail.com with ESMTPSA id y11sm346406pff.93.2021.01.26.18.11.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Jan 2021 18:11:19 -0800 (PST) Date: Wed, 27 Jan 2021 11:11:17 +0900 From: Sergey Senozhatsky To: John Ogness , Steven Rostedt , Timur Tabi , Vlastimil Babka Cc: Sergey Senozhatsky , Matthew Wilcox , Andrew Morton , linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, Petr Mladek , roman.fietze@magna.com, keescook@chromium.org, linux-mm@kvack.org, Akinobu Mita Subject: Re: [PATCH 0/2] introduce DUMP_PREFIX_UNHASHED for hex dumps Message-ID: References: <20210119014725.GH2260413@casper.infradead.org> <09c70d6b-c989-ca23-7ee8-b404bb0490f0@suse.cz> <083dd940-60c1-4cc8-fc89-8815b253d5c5@suse.cz> <20210126123912.23a5c3a1@gandalf.local.home> <20210126124032.0915f408@gandalf.local.home> <87mtwv8ptz.fsf@jogness.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87mtwv8ptz.fsf@jogness.linutronix.de> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (21/01/26 20:29), John Ogness wrote: > > On 2021-01-26, Steven Rostedt wrote: > > And even if we make this a boot time option, perhaps we should still > > include that nasty dmesg notice, which will let people know that the > > kernel has unhashed values. > > +1 > > The notice would probably be the main motivation for distros/users to > avoid unhashed values unless truly debugging. Which is what we want. +1 for boot param with a scary name and dmesg WARNING WARNING WARNING that should look even scarier. Timur, do you have time to take a look and submit a patch? -ss