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=-0.6 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,URIBL_BLOCKED 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 CB82AC1B0F2 for ; Wed, 20 Jun 2018 06:34:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 30A7F20871 for ; Wed, 20 Jun 2018 06:34:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="PYPaveeT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 30A7F20871 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753893AbeFTGeq (ORCPT ); Wed, 20 Jun 2018 02:34:46 -0400 Received: from mail-pl0-f68.google.com ([209.85.160.68]:33249 "EHLO mail-pl0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752924AbeFTGee (ORCPT ); Wed, 20 Jun 2018 02:34:34 -0400 Received: by mail-pl0-f68.google.com with SMTP id 6-v6so1203574plb.0 for ; Tue, 19 Jun 2018 23:34:34 -0700 (PDT) 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=fhMYWj7f6ty2qgF5VCBMsHhx9/p594MpeZRWWrCbdiM=; b=PYPaveeTuBI7++mJQFzQriJRtFJsFRQbqiBXl0jggrK5FysRWd5xsYY7QC2MBnNCCj hJRh2WKi/BImvKNEx0JGOEKHC2o9e4VtDvPKakAb62+K7RUq3yIQ5zSS7mxzIz50IL5H PpuqzkLz7Vb8DH88S2EP5Oc4+Fwxs2dCG0x5wXxtxU7EFJ7IPm6B73Sv/R0tH4VelsP5 M6mquENrnii7zytK5/B73URFp0MGWv822XWyQ7GnlepG81ogMs1VFkeZnfeQSkgwWH+n hQG15vwG0YkSLVvZGbuieiL1QkhDNbTuF6sfevC6iEcvxhPIKlQbLUvSq41lMJr44i32 J3/w== 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=fhMYWj7f6ty2qgF5VCBMsHhx9/p594MpeZRWWrCbdiM=; b=WGtPXGS+qvIfRVJ4sRfuIIqsdnwW/m2ZjmQc+IRL7ZoRiE9ZwqEsL7uhDCJp5xIOLf S0rn4E3ZP04GbXMspIwJrklYy5IZrYZmGy+gswLqrCKBZbRjaIraISJdLS7Rigp8GGbW OHYRrq0YmgTd90TBIiAyMhEgRC0U+h5rMozr+eT3Q5nHznw19A7QyNbMtvtSOvEQIy6Z wyqpNtb1CpWEZvF6//brsIRpfFQmnIw/r4PWvCkOk2kcJ6FomFTFOUvwH/potYwPOLhT juy2Q/QizlvXpoDaOAuu6/Rx0uAsKZGhxHDfvsuSH8SrY584+j5msDX6BS/3edmf0XNz Dk5Q== X-Gm-Message-State: APt69E2q0+J/+3uwm8j2lBFqtw+QsisTgjFVpZMoeAXMMZxsWN4gX3hQ Me60ONEDdOdn1a9GRlvbyY4= X-Google-Smtp-Source: ADUXVKJRGItVBMxvaY8iLlgfesVwXCCrscbhgSvGZy5xbxTZk7u+apMWqwa2l4tg396YuvWhssb7og== X-Received: by 2002:a17:902:301:: with SMTP id 1-v6mr22116850pld.127.1529476474584; Tue, 19 Jun 2018 23:34:34 -0700 (PDT) Received: from localhost ([110.70.59.159]) by smtp.gmail.com with ESMTPSA id i17-v6sm2454878pfj.95.2018.06.19.23.34.32 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 19 Jun 2018 23:34:33 -0700 (PDT) Date: Wed, 20 Jun 2018 15:34:30 +0900 From: Sergey Senozhatsky To: Steven Rostedt Cc: Hans de Goede , Petr Mladek , Sergey Senozhatsky , linux-kernel@vger.kernel.org Subject: Re: [PATCH] printk: Make CONSOLE_LOGLEVEL_QUIET configurable Message-ID: <20180620063430.GA749@jagdpanzerIV> References: <20180619115726.3098-1-hdegoede@redhat.com> <20180619093102.5ad9164d@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180619093102.5ad9164d@gandalf.local.home> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (06/19/18 09:31), Steven Rostedt wrote: > > The goal of passing the "quiet" option to the kernel is for the kernel > > to be quiet unless something really is wrong. > > > > Sofar passing quiet has been (mostly) equivalent to passing > > loglevel=4 on the kernel commandline. Which means to show any messages > > with a level of KERN_ERR or higher severity on the console. > > > > In practice this often does not result in a quiet boot though, since > > there are many false-positive or otherwise harmless error messages printed, > > defeating the purpose of the quiet option. Esp. the ACPICA code is really > > bad wrt this, but there are plenty of others too. > > > > This commit makes CONSOLE_LOGLEVEL_QUIET configurable. > > > > This for example will allow distros which want quiet to really mean quiet > > to set CONSOLE_LOGLEVEL_QUIET so that only messages with a higher severity > > then KERN_ERR (CRIT, ALERT, EMERG) get printed, avoiding an endless game > > of whack-a-mole silencing harmless error messages. > > > > Signed-off-by: Hans de Goede > > Acked-by: Steven Rostedt (VMware) Looks OK to me Reviewed-by: Sergey Senozhatsky -ss