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=-0.6 required=3.0 tests=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 4A30AC2D0EC for ; Fri, 10 Apr 2020 23:21:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 11AC8207FF for ; Fri, 10 Apr 2020 23:21:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="EqHPtwF0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726703AbgDJXVq (ORCPT ); Fri, 10 Apr 2020 19:21:46 -0400 Received: from mail-pl1-f194.google.com ([209.85.214.194]:46344 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726626AbgDJXVq (ORCPT ); Fri, 10 Apr 2020 19:21:46 -0400 Received: by mail-pl1-f194.google.com with SMTP id x2so1122105plv.13 for ; Fri, 10 Apr 2020 16:21:46 -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; bh=c9rr1VKWyEALbXbYJDgG44N0IBV573QpeNjixpL7Fps=; b=EqHPtwF0RAZT4eXEJWBVBQ8dOXG6ulZO6UMNH2v/78ClluLlL1vDcoWJbif5qsSEtv x+GGmYWBdY7NxyF+21S9e8nWUPgoUvCYIvKu5SyN5KRq+A0M6v26neEPR7crnPd26js/ mMl7XuvQYVvhBmiudRHFS07XxEpekk4ykegXOyi7Wn0+PQ9rEBb+ui26Nq4V7PKD011L fk7zwbd96BgSA8aKONpPbyw5p8fgyE81m/gHg+KW9bLxPM1UlClWV/lBEdCiUJyTA5OA 6wstgUtZxzu8bk70wAafPGnD0ATSvpDk7oQhi925Q7mgId/X1MHAxX0SblDHujoOx3iw Bp3w== 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; bh=c9rr1VKWyEALbXbYJDgG44N0IBV573QpeNjixpL7Fps=; b=O+bzaxr04+BEDSYK+m2qw0yM9jifqN66aYhSd58Wl0e7p7+a7eROKHi+KOcZIvN7Ug T4Mgg2lfGCF8ZGa8AG1oU657RQb51gE6BDc/QSsNfj4L5ufhbEB/AkvMm8ca50KHXVs+ nlHHFAvIGKCNR9NTZyA7p816Z74bO1JAVg/mR0koedofWUa6GBSYyWqiEYyIt+nHRuKT QNvnRZyQpJYB/QbldqgwQsyExPAf3kJqdaNlOvPIalyYv7Dgxm/nQ/n4mWYJk3c9NJQK tYGmaZdZ5bIQuX81LmHFuNxurdVCQG7F+Z7X4/GxKNdy3Q+/VveRce4LG4HKP6ClPS5y vCmA== X-Gm-Message-State: AGi0PuaBWVTjLvNOR9TRbU+UdP8heAdhulcNfTdJVzNkJSHXSCPyUMyx /rQ7lgHxCvYQJPiKrSyD7Uo= X-Google-Smtp-Source: APiQypILPAptqcOulWb0e7t8xSRyv3ELPqp+EdUIrsuLARwBeGrwGBfhkdn02rNxEBk8TS7LEGv/Fg== X-Received: by 2002:a17:902:9b89:: with SMTP id y9mr240416plp.75.1586560905307; Fri, 10 Apr 2020 16:21:45 -0700 (PDT) Received: from localhost (181.56.30.125.dy.iij4u.or.jp. [125.30.56.181]) by smtp.gmail.com with ESMTPSA id t3sm314439pgi.84.2020.04.10.16.21.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Apr 2020 16:21:44 -0700 (PDT) From: Sergey Senozhatsky X-Google-Original-From: Sergey Senozhatsky Date: Sat, 11 Apr 2020 08:21:41 +0900 To: Simon Kirby Cc: Greg Kroah-Hartman , Petr Mladek , Steven Rostedt , linux-kernel@vger.kernel.org, Lech Perczak , Theodore Ts'o , John Ogness , Jann Horn , Sergey Senozhatsky Subject: Re: [PATCHv2] printk: queue wake_up_klogd irq_work only if per-CPU areas are ready Message-ID: <20200410232141.GA497@jagdpanzerIV.localdomain> References: <20200303113002.63089-1-sergey.senozhatsky@gmail.com> <20200304152159.2p7d7dnztf433i24@pathway.suse.cz> <20200305013014.GA174444@google.com> <20200305185348.GB2141048@kroah.com> <20200409192543.GA30816@hostway.ca> <20200410030704.GA20227@jagdpanzerIV.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200410030704.GA20227@jagdpanzerIV.localdomain> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (20/04/10 12:07), Sergey Senozhatsky wrote: > On (20/04/09 12:25), Simon Kirby wrote: > > This causes "dmesg -w" or "cat /dev/kmsg" to not print new messages after > > dumping the current ring. I hit this on v5.5.9, v5.5.15, v5.6.3, and > > Linus HEAD. This prints no "hi": > [..] > I'm trying to land this patch. Give me a moment, I'll come back to > you shortly. Applied. Commit ab6f762f0f53162d Linus' HEAD. -ss