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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 39D9DC433E1 for ; Mon, 20 Jul 2020 08:41:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 13EF722B4D for ; Mon, 20 Jul 2020 08:41:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="TfdMPEas" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727927AbgGTIlG (ORCPT ); Mon, 20 Jul 2020 04:41:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726030AbgGTIlG (ORCPT ); Mon, 20 Jul 2020 04:41:06 -0400 Received: from mail-pl1-x643.google.com (mail-pl1-x643.google.com [IPv6:2607:f8b0:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 44CF2C061794 for ; Mon, 20 Jul 2020 01:41:06 -0700 (PDT) Received: by mail-pl1-x643.google.com with SMTP id m16so8370913pls.5 for ; Mon, 20 Jul 2020 01:41:06 -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; bh=wJVaqEwj+i9esEAclMGRP9Zfh0g/F6dNbku9w6XnviM=; b=TfdMPEasQT3G+tfqzADvLujHuxexhLRJ/plXttAQMI/n79r14vE+9EgS9X61y2x1ai +NffY2FQTULcj5DhilVQK0uMlOQCO1O4IwpfxJYeCoAPlyc5FAETNZ9n0AZJI5gMxrHu yy0O/H5bNUky91nSddtnq0aguz31//kJvMFbLTolcHAtNidnrFe5N6Z2Vz7AwaJTEj18 UNHkDqQV5l5MaiADb20P9L/4VsBCkJAV3RRjJvCjWP4ehVgNSXJRvIzm37jw80pM8QtT 9uF8pLlEdopnr7CKw7KGdlQJBfvj3EHl8K8IjJOglIaVK+vV7sPk28X8HBQr6NVzPyzU iE9g== 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; bh=wJVaqEwj+i9esEAclMGRP9Zfh0g/F6dNbku9w6XnviM=; b=RQM9vKYXWEsmtvT5FyGeL/+3625BiUoGmCOywtQy0a9WV7nHAoGfnOHrV1draNRlEY T7QTOnCMr+iqs3O+ONSG758irL2bFpqYK2Sw4F7/v6LBQNUp01udjh4D8g4DOVg64Eal D8UrtzSsfswYN4shqsZ0eisGUnKjhs7IdOLi3YIqgYKXPVGwdpyqUPaxY7Uo9PI3JQjZ kmZBrIypCd1+SuG3BHcZVPhWmf5qSoXMCY+POLkxaGi/lKFN4c1SPC9l8QcAWzd9UDH/ tfRSJDcMCNHtVpZsYEduV9EnOvq4Yy/EziMfxTrOoEOLpCpM5TjpzWHrvNMbOUbKX1fA MIrQ== X-Gm-Message-State: AOAM532+cJEmhTXhmzFpf+H/hcQ71G5+idDcREGMJwpuJkP3A77CK4f1 v1wTQvgwlYfUW9grGdWbGFI= X-Google-Smtp-Source: ABdhPJyw0SFDFAB9z1Re98/4CrbPAPEVCxg/GXuVgVhN0OjY0CiciY/rJMPbK9vj3nWWM+V4/+y8CQ== X-Received: by 2002:a17:90a:cc03:: with SMTP id b3mr20585675pju.80.1595234465832; Mon, 20 Jul 2020 01:41:05 -0700 (PDT) Received: from localhost ([2409:10:2e40:5100:6e29:95ff:fe2d:8f34]) by smtp.gmail.com with ESMTPSA id u66sm16035298pfb.191.2020.07.20.01.41.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2020 01:41:05 -0700 (PDT) Date: Mon, 20 Jul 2020 17:41:02 +0900 From: Sergey Senozhatsky To: Marco Elver Cc: Sergey Senozhatsky , John Ogness , Petr Mladek , Peter Zijlstra , Sergey Senozhatsky , Steven Rostedt , Linus Torvalds , Greg Kroah-Hartman , Andrea Parri , Thomas Gleixner , Paul McKenney , kexec@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 4/4] printk: use the lockless ringbuffer Message-ID: <20200720084102.GC463@jagdpanzerIV.localdomain> References: <20200709132344.760-1-john.ogness@linutronix.de> <20200709132344.760-5-john.ogness@linutronix.de> <20200718121053.GA691245@elver.google.com> <20200719034312.GA566736@jagdpanzerIV.localdomain> <20200720064303.GA2144711@elver.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200720064303.GA2144711@elver.google.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (20/07/20 08:43), Marco Elver wrote: > On Sun, Jul 19, 2020 at 12:43PM +0900, Sergey Senozhatsky wrote: > > As I said, a number of debugging tools use them to format reports to be > more readable (visually separate title and report body, and separate > parts of the report). Also, such reports are often parsed by CI systems, > and by changing the reports, these CI systems may break. But those are > just the usecases I'm acutely aware of Can you give example of such CI systems? // that's a real question // -ss