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=-2.4 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 591DDECDE4B for ; Thu, 8 Nov 2018 14:21:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F1B6320825 for ; Thu, 8 Nov 2018 14:21:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="mx4gtDQp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F1B6320825 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 S1727211AbeKHX51 (ORCPT ); Thu, 8 Nov 2018 18:57:27 -0500 Received: from mail-pl1-f171.google.com ([209.85.214.171]:44427 "EHLO mail-pl1-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726359AbeKHX51 (ORCPT ); Thu, 8 Nov 2018 18:57:27 -0500 Received: by mail-pl1-f171.google.com with SMTP id s5-v6so9590470plq.11 for ; Thu, 08 Nov 2018 06:21:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=/yCnlpMWygRZYOrNWS535j+YfCigOZuufziajif84jQ=; b=mx4gtDQpDsn8O/4M6Welllu/42WDGJhEYABbxu3CS+vEJSztA8rNzxDVmouYhh92TD aspclMzkHJByvA6JDP8WbNhYZHJXeypTbK6QNRRZNHTGYb26Lt8VPzLPSIe+6ofnxi0e NlISJtIPl00DwkoxAF0jFYFAPYzitCbVQ+8OOZ/gSqZGcHVJeWhGSkEOcQQmrFW8JnpL DXwzcBPk+fUZnfK/ys2whgtudsJZlk2VC5wD7u8HaGgLG1wG+AevGS5jD5Ht9eeRrHEs Ys0ZT1DW0v404U58aYWRRetZNwjFyTRoaOUrWG1p3z4srFMiuzUlkcXuy/6fGayOQp6H I4lw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=/yCnlpMWygRZYOrNWS535j+YfCigOZuufziajif84jQ=; b=XxNVa8EBFbJQbcV1urZ6bU1FE7t7se5V4LxzGT/vnX0bJoLQo/ls/k+X1aEDibDhsN 3xKpzeCnSMQQeN7nKn4nVLTuhOmQPKjBIC6+PIFQe40kuR8dPq0VWhuzX9s89jFw2Duh v5MDCzOo+r90HxJdJgsI/zPBK8e8PkbR0bJQAKshfSJxtbqT2z0u6mrK1AIeC2o+tQJA Y4zQvLiJ3UaNdZcgb6nko1hMj1+q0nLmjdvpaKZ9l0RKUoCGpZ5eYKzqMDFnPF3v28oM HIx/XbDsjM3cJpnCYl6bMEt3AQxnLGccWUinxBjEF6qeIYCjzzGPUs7/SarJ/+TxVrDi nzKQ== X-Gm-Message-State: AGRZ1gLh8gvHNnC6q3KMNTh7Gm96KuAAM4OAjN0bByyLebgBci4biecT +AKTewZe6mVOwCp/SbShzik= X-Google-Smtp-Source: AJdET5dUFoXQUJghWd8o0P0X199TCBrLqQNDYju1Tb/Iqf5XWv8AwRSCkBClf3xMfeA5CZzMXFi0Fg== X-Received: by 2002:a17:902:6bc9:: with SMTP id m9-v6mr4853499plt.106.1541686903656; Thu, 08 Nov 2018 06:21:43 -0800 (PST) Received: from localhost ([121.137.63.184]) by smtp.gmail.com with ESMTPSA id o81-v6sm6693605pfa.170.2018.11.08.06.21.42 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 08 Nov 2018 06:21:42 -0800 (PST) From: Sergey Senozhatsky X-Google-Original-From: Sergey Senozhatsky Date: Thu, 8 Nov 2018 23:21:25 +0900 To: Petr Mladek Cc: Tetsuo Handa , Sergey Senozhatsky , Dmitriy Vyukov , Steven Rostedt , Alexander Potapenko , Fengguang Wu , Josh Poimboeuf , LKML , Linus Torvalds , Andrew Morton , linux-mm@kvack.org, Ingo Molnar , Peter Zijlstra , Will Deacon , Sergey Senozhatsky Subject: Re: [PATCH 3/3] lockdep: Use line-buffered printk() for lockdep messages. Message-ID: <20181108142125.GA445@tigerII.localdomain> References: <1541165517-3557-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp> <1541165517-3557-3-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp> <20181107151900.gxmdvx42qeanpoah@pathway.suse.cz> <20181108044510.GC2343@jagdpanzerIV> <20181108115310.rf7htdyyocaowbdk@pathway.suse.cz> <20181108124413.GB30440@jagdpanzerIV> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181108124413.GB30440@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 (11/08/18 21:44), Sergey Senozhatsky wrote: > > If lockdep and OOM people will ACK buffered printk transition in > its current form, then we can go ahead. That printk_safe approach in lockdep, BTW, does not change (convert) any printk-s within lockdep, thus Peter's earlycon should not be affected. So Peter will have earlycon working, syzbot folks will have buffered lockdep print outs. -ss