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=-2.2 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 34069C43334 for ; Wed, 5 Sep 2018 05:52:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D1B462073D for ; Wed, 5 Sep 2018 05:52:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="PpHato6E" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D1B462073D 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 S1726528AbeIEKUe (ORCPT ); Wed, 5 Sep 2018 06:20:34 -0400 Received: from mail-pl1-f195.google.com ([209.85.214.195]:39833 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726215AbeIEKUe (ORCPT ); Wed, 5 Sep 2018 06:20:34 -0400 Received: by mail-pl1-f195.google.com with SMTP id w14-v6so2755468plp.6 for ; Tue, 04 Sep 2018 22:52:04 -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=zl5XT3Zfky5DLn3mHUlyU2tt5MxBWBc0hzFccCi+gd0=; b=PpHato6Ecn/PJt0f6QrkgicylwbmYht0s9WnFygPm65ZIsG5+GJ7tfu3VN27OOoEek 1ombqCiIK1NbMnZodoVEhZaQLxVP658FGFXNqA0oNkeKxs5QHkmeF+JylaFrsjC7N9KG AuED/RvzQdYjtWKMoYat2xovSCnoBrUN+PC84y0PhFPN4dTQFCISHVvL2P1J/d1sb2KL OzBYuufNNjDBHdDIofk7D/6PiFbY3swXMatF4PFqg7BJ2e3jxp1HzBBOUEAJpyL/sFr/ B+cpXPzrFZ5Mo+cKNjTqG131ToJA7lI9aAM+VAFLU6aiKQwBJ2CEleOZM9QMMH9DUXwz 9jFQ== 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=zl5XT3Zfky5DLn3mHUlyU2tt5MxBWBc0hzFccCi+gd0=; b=VHF7urv7Ddtke9aM114jFfTpgrxC1H51FAGAk3mvbLsG3XKGkim4Y/OZMoVk+dbx0v y7/1PdU3+jo4lrOWx2D5Dv2Qzaw3lHSq9tkb1o1V5X6iEsMQw+KKAPv2QtBmjMcsFRCD jJya3iKT7VJ/e5XgDPz+tLRVSqNoc6lSvzqdnp5g7AQ0iMHrxAa/cOYBLz3oEzZ6UVKt SNmf7+/GTV/eZzFpfdCpcsHi70WVNyiBqLYQeHLG7Px820ukJMWlpykBgBfJ6eI7sEXV G0OVh0w0Z3it3oDilnSSqv6zTwSFQ1No04goiaPeUiG0HA9YpY/PoWdOSSkZxZEU0XrD KRqg== X-Gm-Message-State: APzg51BFRd0H0VCYRw2syv3bgrwF/iTxITku5mqOp1yEDak+h/XocN4o Tqaj9a4OifaNGrh74T71R1M= X-Google-Smtp-Source: ANB0Vdb6gMUQl3xhqvgNit4u61UctCG1e0sENj9PnbujLdC/Kfl0PFSLkYxTX3vPclUE+jfgGIQXgQ== X-Received: by 2002:a17:902:b7c5:: with SMTP id v5-v6mr37737790plz.49.1536126724338; Tue, 04 Sep 2018 22:52:04 -0700 (PDT) Received: from localhost ([175.223.19.100]) by smtp.gmail.com with ESMTPSA id o10-v6sm864837pgp.70.2018.09.04.22.52.02 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 04 Sep 2018 22:52:02 -0700 (PDT) Date: Wed, 5 Sep 2018 14:51:59 +0900 From: Sergey Senozhatsky To: Hans de Goede Cc: Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" , Sergey Senozhatsky , x86@kernel.org, linux-kernel@vger.kernel.org, Steven Rostedt , Petr Mladek , Maninder Singh , Sergey Senozhatsky Subject: Re: [PATCH 4.19 regression fix] printk: For early boot messages check loglevel when flushing the buffer Message-ID: <20180905055159.GB19936@jagdpanzerIV> References: <20180904180154.845-1-hdegoede@redhat.com> <20180905023522.GA1444@jagdpanzerIV> <93901f2b-91ad-a910-7031-0040b827a3af@redhat.com> <20180905053609.GA19936@jagdpanzerIV> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180905053609.GA19936@jagdpanzerIV> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (09/05/18 14:36), Sergey Senozhatsky wrote: > > OK, thanks for the report! > So I think that your case is CON_PRINTBUFFER related as well. We have > a number of logbuf messages before we parse quiet and console_loglevel. > Those messages pass the suppress_message() test. Then when we finally > register a CON_PRINTBUFFER console we update console_loglevel and flush > all logbuf messages, but console_loglevel does not matter anymore. > Hmm, earlycon can also be affected, probably. But I'm not sure if people do "earlycon" and "quiet" at the same time. May be, who knows... -ss