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[2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id 41be03b00d2f7-6de275faee4si1096595a12.446.2024.06.06.06.14.31 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Jun 2024 06:14:31 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-204331-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; dkim=pass header.i=@lunn.ch header.s=20171124 header.b=psNM1Sxe; arc=pass (i=1 spf=pass spfdomain=lunn.ch dkim=pass dkdomain=lunn.ch dmarc=pass fromdomain=lunn.ch); spf=pass (google.com: domain of linux-kernel+bounces-204331-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-204331-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=lunn.ch Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id E77C5286D77 for ; Thu, 6 Jun 2024 13:13:49 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id AB92519645B; Thu, 6 Jun 2024 13:12:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="psNM1Sxe" Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2C07113E048; Thu, 6 Jun 2024 13:12:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=156.67.10.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717679578; cv=none; b=so/mbFYHlp9Yk+ZtfAE0Gkyrbsqipm9Ad73iz+/ILPNJpIkCOr+ByDa6pBcNO4Tq0tTgHmKQrfBgEzoisvmh2Jrq5g4u05nZVZZVFaYqkWNJbAUoCxhyGSjK0dfK6Da/+0eGEm5gq/B+kdqxD12GHGzg8VZcSHMtTnzK1Rjmmgg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717679578; c=relaxed/simple; bh=/lZ2BYcrM4C1FTva85h800BNm7AqRYMNH48jl1SeFGQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=pNkYQgLs9FI5I8FqUJKAwWDEYMEP+pvunKAoBv8aISikf3z/sp9XGaVBoJtQOPS9qBx498FVqsBu44cmO9Sef+HxGR0d3BmDrXF9tzAxXeR8UAIH/BKhayQidiyK9UE9tmUH/K/9SqJDWKuJ5HTFNJiy4Dyxek6JS1n+Mo1Ntz8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b=psNM1Sxe; arc=none smtp.client-ip=156.67.10.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=AabFQf2K5U/YXOtE0/+9Nd1MxGeeSYhbeG/HuHMqqT8=; b=psNM1SxeheomvzkqAADibR9/Qr U7QOw/EBxs0n9Z/yKwryqpgkoUz93ilwBZI3e48S/GVNhSHF3ilJe0q8DMIGA1z+zB/gRXv2LMLC8 EsmHINuKmeWo7XXt4AVRRJ6VOH/6UtEYZftDXUxWBcjFve7Pk2Y8MxMYNteMjolvpIkY=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1sFCvG-00H1AS-Ff; Thu, 06 Jun 2024 15:12:54 +0200 Date: Thu, 6 Jun 2024 15:12:54 +0200 From: Andrew Lunn To: Hans de Goede Cc: Linux regressions mailing list , Pavel Machek , Lee Jones , Linux LEDs , Heiner Kallweit , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, johanneswueller@gmail.com, "Russell King (Oracle)" , Genes Lists Subject: Re: Hung tasks due to a AB-BA deadlock between the leds_list_lock rwsem and the rtnl mutex Message-ID: References: <9d189ec329cfe68ed68699f314e191a10d4b5eda.camel@sapience.com> <15a0bbd24cd01bd0b60b7047958a2e3ab556ea6f.camel@sapience.com> <42d498fc-c95b-4441-b81a-aee4237d1c0d@leemhuis.info> <618601d8-f82a-402f-bf7f-831671d3d83f@redhat.com> <01fc2e30-eafe-495c-a62d-402903fd3e2a@lunn.ch> <9d821cea-507f-4674-809c-a4640119c435@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9d821cea-507f-4674-809c-a4640119c435@redhat.com> > So it has been almost a week and no reply from Heiner. Since this is > causing real issues for users out there I think a revert of 66601a29bb23 > should be submitted to Linus and then backported to the stable kernels. > to fix the immediate issue at hand. Agreed. Andrew