Received: by 2002:a25:868d:0:0:0:0:0 with SMTP id z13csp548143ybk; Wed, 13 May 2020 06:59:18 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzhOHcLbJlz5ElVq/auNy3O+sjReP5zU/BqPqTtC1bpPmdmqTZOW8Q5R25lvbF7LMxVYR7c X-Received: by 2002:a17:906:e293:: with SMTP id gg19mr7145394ejb.295.1589378357987; Wed, 13 May 2020 06:59:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1589378357; cv=none; d=google.com; s=arc-20160816; b=RRuVy3DhmGsiLK430or+CfgxqHZs2gDQv3ROa8RB2fPF7oLMeGVbXxOCtszknZJI05 Ta4Xcl63/OG0hUOdHsCMQ/dGr3HQIvJNtcfRADzsBychZhhsA7ZGJwKcYpu+y3/uIa+I Xq9h25Na5rHq9VM6OYM/L48vuMmRNej4JqvAap9ZU0snuwFeIXAmmI1SSJurm40/iKmE SF8bTLncOOKDpVVQX4Erh6mh+Ldred3/n1CfiZBodUPJ86t+mJ/rmakhE+FpB5r6TRqK +C2V5f9QHEfnzVRTHMqrqj1Ylq2hT5GlaA1oy4L1Yt953gsVRfWNh/XKLOcRpekCW1jl jsmg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=oAAYPARglaG2NsmeyFPuzx1jAZyUdldJpp1mGUIz1tk=; b=iTjWy5CEMYm5SIaQo3Y1AKAO6ptNVQoT20EHKv/Wj4qlp95ap476isVkgD8/3DpJaF 5uSJip1RBjRLK8IgX+JxzPObdXlsl+Da1wyPtK6rfsjlZaEbzY2+QGjInS41+HcBeAx2 vNnQmzXkmm/YVZ9uxWZsNMYbgSWqY9WrtSSmhAJxkDwhreG5FzUqtZ0HHNWvZXUjW0t1 oA9Rwl+0HUlYvOOxoHh1xNreL08cnMQJgy2kt1LFeLQWJIhcKDS1ZwGG7feOdml1DDPq G1lB/2cR1PCfk1Kn/1xtbXpP7cEeRUsUh9cfPtuQsYOg50xUKzqfvXTw5p5cTUlmrpvK r//Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id h21si10454194edq.123.2020.05.13.06.58.53; Wed, 13 May 2020 06:59:17 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388436AbgEMNzF (ORCPT + 99 others); Wed, 13 May 2020 09:55:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:47848 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387503AbgEMNzF (ORCPT ); Wed, 13 May 2020 09:55:05 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F13362054F; Wed, 13 May 2020 13:55:03 +0000 (UTC) Date: Wed, 13 May 2020 09:55:03 -0400 From: Steven Rostedt To: Tetsuo Handa Cc: Petr Mladek , Sergey Senozhatsky , Michal Hocko , linux-kernel@vger.kernel.org, Dmitry Safonov , Yafang Shao Subject: Re: [PATCH] printk: Add loglevel for "do not print to consoles". Message-ID: <20200513095503.7488b0d6@gandalf.local.home> In-Reply-To: <20564555-7b84-f716-5dcd-978f76ad459a@i-love.sakura.ne.jp> References: <20200427062117.GC486@jagdpanzerIV.localdomain> <4dae86af-1d9a-f5a8-cff6-aa91ec038a79@i-love.sakura.ne.jp> <20200428121828.GP28637@dhcp22.suse.cz> <20200428154532.GU28637@dhcp22.suse.cz> <20200429142106.GG28637@dhcp22.suse.cz> <20200513062652.GM413@jagdpanzerIV.localdomain> <20200513100413.GH17734@linux-b0ei> <20564555-7b84-f716-5dcd-978f76ad459a@i-love.sakura.ne.jp> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 13 May 2020 20:03:53 +0900 Tetsuo Handa wrote: > I think that basically only oops (e.g. WARN()/BUG()/panic()) messages worth > printing to consoles and the rest messages do not worth printing to consoles. > Existing KERN_$LOGLEVEL is too rough-grained. Why don't you look into having a "noconsole" command line option that will not print anything to the consoles but oops messages. Sounds more like what you would like, and something that perhaps would be acceptable by the larger community. -- Steve