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=-5.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 47A8CC64EB8 for ; Tue, 9 Oct 2018 12:35:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 06158214C4 for ; Tue, 9 Oct 2018 12:35:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="E7GqRu75" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 06158214C4 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 S1726882AbeJITwA (ORCPT ); Tue, 9 Oct 2018 15:52:00 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:40944 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726393AbeJITwA (ORCPT ); Tue, 9 Oct 2018 15:52:00 -0400 Received: by mail-pg1-f193.google.com with SMTP id n31-v6so748831pgm.7 for ; Tue, 09 Oct 2018 05:35:15 -0700 (PDT) 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=Ws3c+mOi366Eu0vM1CHgmIxNDfYRZCpV4B9T9jf4DtY=; b=E7GqRu75d2ptDvC5NCP+2cJfGcdgH3+Kfmk01PSSfdYMvqPgp6dbV4NrJaxcLklrhq WmuU9MRdlFTHFRdUkYq2Kd6buD/OnIy3OgH0PvrAM+F+iptEo8vn+lcu0HgPlpKEPSuO 2F96TfpKVJyk1tXgTuhjnXnh6KLJXfxW8u+8rpxJm7qHL+JHTKSQevgZRtu7gCdg8K6E 1jhI8nYsNwuPPwrTYHlETbYqhfbksJ5BvPa75nEO7thtcGkZskxBosR/4hm+6EfKLE1c lQZA1QIRuZQeCZkHzGJmc199s4Lh3Lwvm+5TEM/9jSyKfZpfWrYvnNAGeAvkfpugWvpS vvow== 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=Ws3c+mOi366Eu0vM1CHgmIxNDfYRZCpV4B9T9jf4DtY=; b=e4OboUi3qYJTbYjb+AE7G5M91fv1j1SOMfw814VX6lXIZ9uLlbtTuEcInzbG9T9oYf 3k6rCMAcb/M3RopJotwE1k0a+iQmZOXfsiScE++2TpGrHSezPBbKd7HemWiB0TDP4fYO DX6qXSaKphd0+r+xixAKTl/cEFltrsPp1jjcnHUle+XEtNaPHKBLeQKa7yCbP9WaIhma dKg9DGnxV73lK0RPsEFxGiJucLlH9JO2lWHUBQ8mbbuNqTzG1G1UekF0KHOTse0MsPEr oZDa9JtLGyeOFHD9OtaGMTApLcSWRa7dQSEnuBKinRvGl4RSxluyFE/RFMD3S8esJpiI dJRQ== X-Gm-Message-State: ABuFfoj2h9G4MQMLku3Uxtxv22vwOAn2kpiT8Vq3mtetTVH2/OpAN5k3 kCQU+wXhUOEd77nEuoRMBFU= X-Google-Smtp-Source: ACcGV61oif/oQ++4e0GdJ9tpMZDCQ2r6f6wWjAF2QtfmvZ9EJb9NTqLXsa8AbjtgyMjCKSRbZjcLfQ== X-Received: by 2002:a62:6801:: with SMTP id d1-v6mr3423679pfc.7.1539088515475; Tue, 09 Oct 2018 05:35:15 -0700 (PDT) Received: from localhost ([121.137.63.184]) by smtp.gmail.com with ESMTPSA id 6-v6sm22277069pgl.6.2018.10.09.05.35.13 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 09 Oct 2018 05:35:14 -0700 (PDT) From: Sergey Senozhatsky X-Google-Original-From: Sergey Senozhatsky Date: Tue, 9 Oct 2018 21:35:03 +0900 To: Petr Mladek Cc: Sergey Senozhatsky , Steven Rostedt , Andrew Morton , Dmitriy Vyukov , Tetsuo Handa , Tejun Heo , Peter Zijlstra , LKML , Sergey Senozhatsky Subject: Re: [RFC][PATCH 2/3] printk: lock/unlock console only for new logbuf entries Message-ID: <20181009123503.GB471@tigerII.localdomain> References: <20181002023836.4487-1-sergey.senozhatsky@gmail.com> <20181002023836.4487-3-sergey.senozhatsky@gmail.com> <20181009083959.rhbxdihzjj44nogk@pathway.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181009083959.rhbxdihzjj44nogk@pathway.suse.cz> 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 (10/09/18 10:39), Petr Mladek wrote: > > > > Signed-off-by: Sergey Senozhatsky > > --- > > kernel/printk/printk.c | 10 +++++++--- > > 1 file changed, 7 insertions(+), 3 deletions(-) > > The patch makes perfect sense. It looks a bit hacky but I can't > think about any less hacky one. > > I wonder if it is worth it. But if nobody else is against it > I am going to push it. Well, getting to buffered printk may take some time; so I'd probably apply it, shouldn't hurt :) -ss