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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 DCEFBC282CA for ; Wed, 13 Feb 2019 02:55:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A4CA32190A for ; Wed, 13 Feb 2019 02:55:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rWCYSGu7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390065AbfBMCz2 (ORCPT ); Tue, 12 Feb 2019 21:55:28 -0500 Received: from mail-pl1-f195.google.com ([209.85.214.195]:33934 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732781AbfBMCzZ (ORCPT ); Tue, 12 Feb 2019 21:55:25 -0500 Received: by mail-pl1-f195.google.com with SMTP id w4so462826plz.1; Tue, 12 Feb 2019 18:55:25 -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:user-agent; bh=6ArRQuu63wfSGm9vQ4Wjr9p0mZMu12amiLX7g9jOUEg=; b=rWCYSGu7p6Vj4bjiuNz0hl+Yjd5OhoADxM21vIIdTyo8hbG/Q3lP/2sJ9JYchAKxlK c7ffV9lkZjeeJpz2oRc29I+a4ka5kvdEPq3GeEK/M4DhxdDhfavn/UyLsPWBgClIFkKJ mdMFNsSjWiDfJypLQQCCW7XT8mMJplA/gZt4HH52+2JmDOm4uECWGA+yigNaH1xM6plw rq4njzWynP0UBqi/mfG4CmpX17ALsMePAuYq23LEJr0z1kHbjIgXUIIoRhlS7cheMJk+ +03NNxHaMfqy6b/g5BYq9kQeFsisFL0REE2BJzhYoR12El+cBbaJWB9Ghkegf2RwK4OU 36TA== 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:user-agent; bh=6ArRQuu63wfSGm9vQ4Wjr9p0mZMu12amiLX7g9jOUEg=; b=bhsRAzOJrVpBxlJSPX4OpvHFDPOSQHuAbnj+lm5fnNQV/rIXu1NyrEW0fUclT7m761 zVLT0n+UBATTY7ASoKMw1vgd2zm97Ge6WoMQIao7nVwJxjVOEYhUa8hY6b407AdmaBrN 0BWuUvjiVG0eUC02y2A/mc4ByghnipeuHdXbBeNBoSiarM5/Ai1PucYrcRzxWc4tQx+V LCXMNdhW1pCNllkvsV7D05HAviRI2WXKcte0Y8JwHu3MgFlsASt2fUbah7FUHkLC9O6B OuSWiGSKP83Rc7XTyza5V3d/b3cE5yVUQIVi6hUaUnY2cRvuhoSqWfAYXltHeBzfA8cr 1cmw== X-Gm-Message-State: AHQUAuZhzaqsyjrIb2oHxU3H7p9D6R7dZh3K66UPmWv5Y4va8YGPNaxk DvD7Em8AIYa0rwCtUG7DJTQ= X-Google-Smtp-Source: AHgI3IYhtCUBTS14Ll5e3mHhgjPMOL3q7UobsmNfSDukxVHLVyNJiKh2ACH/hWhIhBo/gKBcj1U2Cg== X-Received: by 2002:a17:902:7882:: with SMTP id q2mr7498828pll.305.1550026524823; Tue, 12 Feb 2019 18:55:24 -0800 (PST) Received: from localhost ([39.7.15.189]) by smtp.gmail.com with ESMTPSA id c4sm37662303pfm.151.2019.02.12.18.55.23 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 12 Feb 2019 18:55:23 -0800 (PST) Date: Wed, 13 Feb 2019 11:55:20 +0900 From: Sergey Senozhatsky To: John Ogness Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Petr Mladek , Sergey Senozhatsky , Steven Rostedt , Daniel Wang , Andrew Morton , Linus Torvalds , Greg Kroah-Hartman , Alan Cox , Jiri Slaby , Peter Feiner , linux-serial@vger.kernel.org, Sergey Senozhatsky Subject: Re: [RFC PATCH v1 00/25] printk: new implementation Message-ID: <20190213025520.GA5803@jagdpanzerIV> References: <20190212143003.48446-1-john.ogness@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190212143003.48446-1-john.ogness@linutronix.de> User-Agent: Mutt/1.11.3 (2019-02-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (02/12/19 15:29), John Ogness wrote: > > - A dedicated kernel thread is created for printing to all consoles in > a fully preemptible context. How do you handle sysrq- printouts on systems which can't schedule printk-kthread? -ss