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=-0.9 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 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 1C8D6C43381 for ; Sun, 17 Feb 2019 17:03:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CDC1721855 for ; Sun, 17 Feb 2019 17:03:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ClogsMf6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727462AbfBQRD0 (ORCPT ); Sun, 17 Feb 2019 12:03:26 -0500 Received: from mail-ot1-f65.google.com ([209.85.210.65]:45990 "EHLO mail-ot1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725810AbfBQRD0 (ORCPT ); Sun, 17 Feb 2019 12:03:26 -0500 Received: by mail-ot1-f65.google.com with SMTP id 32so24429420ota.12 for ; Sun, 17 Feb 2019 09:03:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=l0UFk3hJYhERTmMJPjv+1npQgr8SKz83NUYWTFHLElU=; b=ClogsMf6U8WPu1tXF5agSSnJePzN5vieP2jM/bn7JNlQt4su7dQtspMCHlx6Ko7MpH S2Nmo6yw5XSSd10Bfz06vcxzWl2daAvy/V0j06BZ/J3YzPY3jLpDche9h3dSaoUnSKSi YoiZqk8lSogPRa4+CHewpFAND19O8+ZHSPJJTGhimsCdBVtgwN7kkjugV3gd5QxC35yt jXZ8Y2YgTQAHuqG0F2foYpDcNzSct28lZX3qKln9W8LH1Ty4jcH3WxFL/37RLZ4CPxFA R0vPRvG3i3vz+2XxKzjswOevEw/RDKfQNv2Jpoib41L+y6w3gcPclMh9dMHt3aOOh3AL nsZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=l0UFk3hJYhERTmMJPjv+1npQgr8SKz83NUYWTFHLElU=; b=Pc9Zz3LFHagp/jMtqrjh/Iqfw9IJXLmetG4UCVpFgusuQVciD+WSsMY3/A8SgAuBUf oHWuVYb0WQlnz0J+gX5eA3T9riSl7Jxuer5707tqXtBkvMHn10LC4zH+6Rsj+6sQbU7J 7uyxZp5v0cAiVfbCij3KrfpFoty9nUCZCluu0+LHFsE5z5vrtEJAKm19kk6uF2pIQ7t+ ukGzcrdDF7V9NMzOBC9n33XwiAc99JqR6urn4JEwGqKWnnFtLU8P4CXHTKQr1EytTUD6 IjcN9tH8VaABvyKWjrEfspW3Z102dj0quBK4htGZxSmpIoXSZapTG9lfmgjct9GKPTRt YFEQ== X-Gm-Message-State: AHQUAub3p0fhVY0DRbFzeuqKjR3V55MPdiJhk8GlkC8o8EoAOmwm13Pz Sgw5wV7vHvwCt8e2OF0eWiNsJ/AM X-Google-Smtp-Source: AHgI3IZJQXq5KH5nwT4kfX4f5eCl4tcGZ3itdB0aQAim770uFZOJ/qDdSAvpooerTBrg6N7+GT77pQ== X-Received: by 2002:a9d:5910:: with SMTP id t16mr11358705oth.292.1550423004915; Sun, 17 Feb 2019 09:03:24 -0800 (PST) Received: from [192.168.1.3] (ip68-228-73-187.oc.oc.cox.net. [68.228.73.187]) by smtp.gmail.com with ESMTPSA id n76sm5976234ota.51.2019.02.17.09.03.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 17 Feb 2019 09:03:23 -0800 (PST) Subject: Re: [PATCH net] net: dsa: fix lockdep warning To: Russell King , Andrew Lunn , Vivien Didelot Cc: Heiner Kallweit , "David S. Miller" , netdev@vger.kernel.org References: From: Florian Fainelli Openpgp: preference=signencrypt Autocrypt: addr=f.fainelli@gmail.com; keydata= mQENBFPAG8ABCAC3EO02urEwipgbUNJ1r6oI2Vr/+uE389lSEShN2PmL3MVnzhViSAtrYxeT M0Txqn1tOWoIc4QUl6Ggqf5KP6FoRkCrgMMTnUAINsINYXK+3OLe7HjP10h2jDRX4Ajs4Ghs JrZOBru6rH0YrgAhr6O5gG7NE1jhly+EsOa2MpwOiXO4DE/YKZGuVe6Bh87WqmILs9KvnNrQ PcycQnYKTVpqE95d4M824M5cuRB6D1GrYovCsjA9uxo22kPdOoQRAu5gBBn3AdtALFyQj9DQ KQuc39/i/Kt6XLZ/RsBc6qLs+p+JnEuPJngTSfWvzGjpx0nkwCMi4yBb+xk7Hki4kEslABEB AAG0KEZsb3JpYW4gRmFpbmVsbGkgPGZhaW5lbGxpQGJyb2FkY29tLmNvbT6JAccEEAECALEF AlPAG9YXCgABv0jL/n0t8VEFmtDa8j7qERo7AN0gFAAAAAAAFgABa2V5LXVzYWdlLW1hc2tA cGdwLmNvbY4wFIAAAAAAIAAHcHJlZmVycmVkLWVtYWlsLWVuY29kaW5nQHBncC5jb21wZ3Bt aW1lCAsJCAcDAgEKAhkBBReAAAAAGRhsZGFwOi8va2V5cy5icm9hZGNvbS5jb20FGwMAAAAD FgIBBR4BAAAABBUICQoACgkQgTG1xCm8ZqD+Dgf9HhhzqvJYIPomNeg+ll7/TbzWb871E+HQ TaufJQFQwLEbgdFSZO2uj4UqfDpCyTwtHTVMJogWt3pCAE1sadeIY8OlT6918ofKIl8AiHj2 BlfL7ASZ5wzkRMt/4TZoinq9O1tPEynb5G6PdZTV3UQtmSGnpt2EOu7KtRJsnThBiXoOO9TJ Asg4vXJ0ZM1y/MPhQlZbPCHQZFe1gaVWBPLGnLyWyeprqgSLWHaGqrUhlfK1sLuJK1bjYDCI NetK0pS4cA4ZJgogr5FrtV64R19zLl02mt/Yj7rAmjC3ZBuwVi3V35kD8Kd4d9QM2apsiILV bzGbtVCSUgvxI+1SsJEm3bkBDQRTwBvBAQgArGvvWip77T4xgJztZp9YRylAcVTC9gtx0Gg6 eYk/EPANGm9TkuGpI++T/Il2H2TjFQNC7eubWohbYj0+6Tmf8nP+VmyobDxPXcMrK7x4xy9o D+Kub2Vf0SXbsM8fL/SqzGbFWZSm73L1L4GZoxvYIz0i7LExYSX2u5YVLaMBaH9HwKt2cvr7 MuTrRHtcbOZImoXT29g2UnoF1uwxYNeRhZY/lRvVkkY0lDipPuDwg3SpfHMtCybPq1uAswQd gEbHzRsEXwCR1OF3pIuGt4I3tSEhH/k1caqi0BlqjbGUOkku44xC2gf1ZU267FBBkdV3yJ/7 KnrJEnkMCYhS3kII9wARAQABiQJBBBgBAgErBQJTwBvCBRsMAAAAwF0gBBkBCAAGBQJTwBvB AAoJEJNgBqiYLw9VDRUIAJaTef6hsUAESnlGDpC+ymL2RZdzAJx9lXjU4hhaFcyhznuyyMJq d3mehmLxsqDRvHDiqyD71w2Bnc838MVZw0pwBPdnb/h9Ocmp0lL/9hwSGWvy4az5lYVyoA9u 14UIzh0YNGu6jr0isd/LJAbHXqwJwWWs3y8PTrpEp68V6lv+aXt5gR03lJEAvIR1Awp4JJ/e Z5y12gQISp0X8xal9YhhDWER92YLYrO2b6Hc2S31lAupzfCw8lmZsP1PRz1GmF/KmDD9J9N/ b8IehhWQqrBQjMjn2K2XkvN75HnAMHKFYfHZR3ZHtK52ZP1crV7THtbtrnPXVDq+vO4QPmdC +SEACgkQgTG1xCm8ZqC6BwgAl3kRh7oozpjpG8jpO8en5CBtTl3G+OpKJK9qbQyzdCsuJ0K1 qe1wZPZbP/Y+VtmqSgnExBzjStt9drjFBK8liPQZalp2sMlS9S7csSy6cMLF1auZubAZEqpm tpXagbtgR12YOo57Reb83F5KhtwwiWdoTpXRTx/nM0cHtjjrImONhP8OzVMmjem/B68NY++/ qt0F5XTsP2zjd+tRLrFh3W4XEcLt1lhYmNmbJR/l6+vVbWAKDAtcbQ8SL2feqbPWV6VDyVKh ya/EEq0xtf84qEB+4/+IjCdOzDD3kDZJo+JBkDnU3LBXw4WCw3QhOXY+VnhOn2EcREN7qdAK w0j9Sw== Message-ID: Date: Sun, 17 Feb 2019 09:03:13 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi Russell, On 2/17/2019 8:27 AM, Russell King wrote: > ====================================================== > WARNING: possible circular locking dependency detected > 4.20.0+ #302 Not tainted > ------------------------------------------------------ > systemd-udevd/160 is trying to acquire lock: > edea6080 (&chip->reg_lock){+.+.}, at: __setup_irq+0x640/0x704 > > but task is already holding lock: > edff0340 (&desc->request_mutex){+.+.}, at: __setup_irq+0xa0/0x704 > > which lock already depends on the new lock. Since this is specific to mv88e6xxx, in case you resubmit, can you put that in the commit subject as well? Thanks! -- Florian