From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal =?iso-8859-1?Q?Koutn=FD?= Subject: Re: [Bug] race condition at rebind_subsystems() Date: Tue, 19 Jul 2022 15:35:12 +0200 Message-ID: <20220719133512.GD897@blackbody.suse.cz> References: <1978e209e71905d89651e61abd07285912d412a1.camel@mediatek.com> <20220715115938.GA8646@blackbody.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=NcWyiLSSUtWiT6QYkEaCFiw6z8iTfe7BuCTgI38McPA=; b=pbGPS4VcjPaGmI /IGl9u4KJWHJ7Qt7mE6D3qakRt9sj3h5iWjxaM1rjslL+u9YnQiy3uBadpBKyE53iC6ui9oyqOovW NsTWGSWBj+M9tSl5g1s5bLyo3SFGfxFtQQAEtAuZPD7Xp0ieIIoW8dR3EjubBFhS1dJm8d5CArxD1 mjqTCdbcFf0Qb6m3y1BDru8+ZErugezycmOv8tXbhtf97+OA6VaCEbEadYCWJ/NIYqsiZFVK55Ce+ l0PhRZzTBRk1khwVD+DPuDu+VfSvLq6zCQ9TbdCbvPRh73zl1eo0Fjm0z6qKLj/W2GTlfvcB/5c/0 RNNs7i5GnCVNRc+2GjyQ==; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1658237713; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=dQkGZ2bUCaXoPh/D/Jj4IPkCDd93zpdb0jFOJ4x+L1k=; b=RXpYSGlmRcef3l7YiwRFdAApPwXNCGsn0BDGq8RMYOlXFurF0+ck6ho6rGcVbsWtc/fUP6 De4sOP94LDSs7rGW7/DXiKXGZ3iMCVaCS8xrKMTqCvGXTFpvP8npNoI8fDTvetmmD0jubo mc2b6WY+Bg2Qby9yeLCG9cnhEe+PPKo= Content-Disposition: inline In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane-mx.org@lists.infradead.org To: Jing-Ting Wu Cc: Tejun Heo , Johannes Weiner , Zefan Li , Matthias Brugger , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Shakeel Butt , wsd_upstream@mediatek.com, lixiong.liu@mediatek.com, wenju.xu@mediatek.com, jonathan.jmchen@mediatek.com On Mon, Jul 18, 2022 at 03:44:21PM +0800, Jing-Ting Wu wrote: > Accroding your description, is the following patch corrent? Yes, this is what I meant (i.e. grace period before invalidating the removed rstat_css_node). > If the patch is correct, we will add this patch to our stability test. > And we will continue to observe whether the problem is solved. It'd be great to have such confirmation. Thanks, Michal