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 D3321ECAAD3 for ; Wed, 14 Sep 2022 12:06:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229657AbiINMGH (ORCPT ); Wed, 14 Sep 2022 08:06:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36544 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229602AbiINMGE (ORCPT ); Wed, 14 Sep 2022 08:06:04 -0400 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 337457F257 for ; Wed, 14 Sep 2022 05:06:04 -0700 (PDT) Received: by mail-pj1-x1029.google.com with SMTP id o23so13083042pji.4 for ; Wed, 14 Sep 2022 05:06:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date; bh=6LmZ4sGuuzXWqmJQ9MZMdzsLWldEMmK7zJAn+QPoPKc=; b=aHgdCrTB1incRfUTH2CoMXKphc1IfOJDYjnX9+gydWJRamywY+zWhFtFqjlmLZD1gC qaVmuSeZdwzapwapMn5oHGuSX6SYbQK7weqOeuc/bP/JICbBMR1hhQIFkSQgMdtmaT/v edKOfYuiL1z7KyNZGfwlaI02LnRsRlwf7JlXw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date; bh=6LmZ4sGuuzXWqmJQ9MZMdzsLWldEMmK7zJAn+QPoPKc=; b=eL4NV+Zaf0Qa0fJzou+nkUUkEdFFn6NYPY8UhpCnxsQp5nIFnge7wh9hFk5W8+UeNz qiF5miPBr+iKsCfPZYUy/Lj8QU5qvJoV6oTNvL8DwIrTOOFhCKkXEEMikfHohvOaEgDn LB/IcFlwnqg1CYP3VRpflrhuRP+I4iReMzkWOXmKd7FWdorXMi9NKhVw+zm0PXFQB4e7 DjXWheok3hJjPQhywiF3/wDS9nStrc5J6xFvAPCOBZOY7Aw8TP7BiPzr7IYZoju2isao Jdr5qkr7gT5fYoOi5vHgbVTuxlOw65PkrQJkJ9KbFhM2r9if4erkfvNogTNBTGiQ8WIk pjSw== X-Gm-Message-State: ACgBeo1uox9S0oZ0z6+9O3m7fe22B+hKiutxUdt4WgJcHNFKkT/OdbRJ ocO+Zm0JiJdMTMdXDSKl3gvWoQ== X-Google-Smtp-Source: AA6agR5ItOZFDBd2R226M4Vwt38bdOJ70rJrpzcmsr/UEOff405XFAhURYehqVIcE1oYTF53MECPtA== X-Received: by 2002:a17:90b:1e44:b0:202:b347:2daf with SMTP id pi4-20020a17090b1e4400b00202b3472dafmr4584695pjb.34.1663157163743; Wed, 14 Sep 2022 05:06:03 -0700 (PDT) Received: from google.com ([240f:75:7537:3187:e5f0:cfaf:bc8c:558e]) by smtp.gmail.com with ESMTPSA id o6-20020a170902d4c600b00177e5d83d3esm10744517plg.88.2022.09.14.05.05.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Sep 2022 05:06:02 -0700 (PDT) Date: Wed, 14 Sep 2022 21:05:56 +0900 From: Sergey Senozhatsky To: Thomas Gleixner Cc: LKML , John Ogness , Petr Mladek , Sergey Senozhatsky , Steven Rostedt , Linus Torvalds , Peter Zijlstra , "Paul E. McKenney" , Daniel Vetter , Greg Kroah-Hartman , Helge Deller , Jason Wessel , Daniel Thompson Subject: Re: [patch RFC 06/29] printk: Protect [un]register_console() with a mutex Message-ID: References: <20220910221947.171557773@linutronix.de> <20220910222300.712668210@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220910222300.712668210@linutronix.de> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (22/09/11 00:27), Thomas Gleixner wrote: > > Unprotected list walks are a brilliant idea. Especially in the context of > hotpluggable consoles. If it crashes on you then "you're holding the computer the wrong way" ;)