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[209.132.180.67]) by mx.google.com with ESMTP id y13si14218735pll.64.2019.02.12.18.56.34; Tue, 12 Feb 2019 18:56:50 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=rWCYSGu7; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390062AbfBMCz1 (ORCPT + 99 others); Tue, 12 Feb 2019 21:55:27 -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-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