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=-2.1 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 23085C43144 for ; Fri, 29 Jun 2018 10:01:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CDA3027D14 for ; Fri, 29 Jun 2018 10:01:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Ng00Tv+O" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CDA3027D14 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 S1754811AbeF2KBh (ORCPT ); Fri, 29 Jun 2018 06:01:37 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:37239 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752491AbeF2KBf (ORCPT ); Fri, 29 Jun 2018 06:01:35 -0400 Received: by mail-pf0-f193.google.com with SMTP id h20-v6so2061181pfn.4; Fri, 29 Jun 2018 03:01:35 -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=YIfENbRpQB2+Go/S99IB+WnIMmYW2om/+IIwypL1tdo=; b=Ng00Tv+OMkUKQa3od/V03srTYHiROR8O3Sb0XcGE6C1Bnn9dOtgEUNkzfQs/4DLTTW 3Ig2ASVY/5Ld9vBGAJYyxVww22fnv7sF/okEQlJrN8y1UwUfRUTMPYtRVrou9dLG/R8M rX8RicKdSKl2V24s1W8B+XjhK8QR24nY8jWnVutcvScYdkK7jfGLh2GoZ+iM+OX63cAd avv08EHcRVxJITgR3C6xlcjAfNkssom6Kkzpp951bLHnwZqp7Qu9Tf+uOJMjc4zIbCg8 zic7yIwTaXAnk0QMSmOevRqo0Ie5T3H+sxPp+bIe9IKlktqHfBAPsSID+EvjjY3HXo6w H5sA== 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=YIfENbRpQB2+Go/S99IB+WnIMmYW2om/+IIwypL1tdo=; b=obHnDVFc40muGgz5SpWRcbfR6ki0AqRA/NgKStpdMKdl8K5cnx2tc62fJNju/CO41x VXVIFxuM7hiwFuk6H68wOJUvSEXQ3jm0t+1M5uhqQ9MBWZWzhofSWwMXrtXRMJuWSwbd 3lJqUmnyZbv7xXWRzLWXUlJoYE1iQtWuVqsiN8tAYF1K1M3UhJW8ebyixybGKzm7vJPX FkbK3Lx67xhq3O59wGQsMpIEdVjRWFTrx9D4Qh2NYt6rVbfxq2JLGbV89gdLN8dA8JxH Sw6vLC1BrrBMcfu1nw84olTi9BakQ2RRO0vNvkXvU3Cv+7bxZLYzp49LhzWX2pJSjOWR PD+Q== X-Gm-Message-State: APt69E0njsZtuwKQcArDTqXXqntM4rkkpbM2HlY+jz7VJ++41k22Fmvm 6hIPvQXBMsDlPCEx1bQ90rY= X-Google-Smtp-Source: AAOMgpfHd2GiHK2LP/HBT2DmMGJoEp0cbi6Ld1I5d2m6GvyVUlCEWmWzECbWtSKa1p6ATz89NuRnKg== X-Received: by 2002:a62:fd0b:: with SMTP id p11-v6mr13834681pfh.52.1530266494884; Fri, 29 Jun 2018 03:01:34 -0700 (PDT) Received: from localhost ([110.70.26.165]) by smtp.gmail.com with ESMTPSA id z10-v6sm13893908pgo.58.2018.06.29.03.01.32 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 29 Jun 2018 03:01:33 -0700 (PDT) Date: Fri, 29 Jun 2018 19:01:29 +0900 From: Sergey Senozhatsky To: Petr Mladek Cc: Sergey Senozhatsky , Steven Rostedt , Sergey Senozhatsky , Peter Zijlstra , Tetsuo Handa , linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v2 3/3] printk/nmi: Prevent deadlock when accessing the main log buffer in NMI Message-ID: <20180629100129.GA10345@jagdpanzerIV> References: <20180627140817.27764-1-pmladek@suse.com> <20180627142028.11259-1-pmladek@suse.com> <20180628022507.GD481@jagdpanzerIV> <20180628094125.cq5qunckjyxhbovb@pathway.suse.cz> <20180629014703.GA614@jagdpanzerIV> <20180629072507.lroaj34gxl2d5bze@pathway.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180629072507.lroaj34gxl2d5bze@pathway.suse.cz> 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 (06/29/18 09:25), Petr Mladek wrote: > > So I summon Mr. Rostedt! > > > > Does schedule_console_output() look bad? > > What about defer_console_output()? > > I am fine with both. I slightly prefer defer_console_output() I am fine with defer_console_output(). -ss