From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 9A83218F2FC; Thu, 13 Feb 2025 18:13:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739470406; cv=none; b=OCfnWfvbiCxsfGWElnjJQs5F1nVRe5iZfwoS7d0Kpg1juyQx87ZaYZ9MMYh0C0TsYt7PyjAG4ZsV2fUJhyJ6wrpJQQVh3agkDDQmWr1e1AaChhYWJ5TTUca1bS3vFVL+MFEGC6/LHlH2Z91s0O82SVNaSja05T0MSjGtLr6gDmE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739470406; c=relaxed/simple; bh=KhQ5pIUvGHNGqvTWgKzFALgA+RVPd/dKhvRIXrwv1E8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=aBznrpseFDn7nm7L36g1jhRdBgic2IVD6q1Qi7WwS3NS8ThdiXfyl4SmlWLrbi+KKeEJYVPU5E5F8QYmo7Q/V82Z8CvUEt3NrswAVdh/IfPh83lh2Nca974JgjxocIlgIkT1+kiyHq1ie9GovgsjXGWw9p1+C+fxRn67cL+TBbc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=1hdXR3SS; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="1hdXR3SS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6DA2FC4CED1; Thu, 13 Feb 2025 18:13:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1739470406; bh=KhQ5pIUvGHNGqvTWgKzFALgA+RVPd/dKhvRIXrwv1E8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=1hdXR3SSe3t8L83nJTFyxWi/2606ekdBtj1k4qle83P5v2nPfyk/LN3CeXDocjhmv r6UCfOXtt8wVHk1vlM6C4CViQfAA0xSz7jQI+FIDsv0/DmgxUlTODc3E7fbd1X0gDK cCmMWRde94kEqplAn7ixDcQ884vIH1dvNanKvhBU= Date: Thu, 13 Feb 2025 19:13:22 +0100 From: Greg Kroah-Hartman To: Tejun Heo Cc: Sebastian Andrzej Siewior , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Michal =?iso-8859-1?Q?Koutn=FD?= , "Paul E. McKenney" , Boqun Feng , Hillf Danton , Johannes Weiner , Marco Elver , tglx@linutronix.de Subject: Re: [PATCH v8 0/6] kernfs: Use RCU to access kernfs_node::{parent|name}. Message-ID: <2025021343-ranking-applause-aa5f@gregkh> References: <20250213145023.2820193-1-bigeasy@linutronix.de> Precedence: bulk X-Mailing-List: cgroups@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: On Thu, Feb 13, 2025 at 06:33:46AM -1000, Tejun Heo wrote: > On Thu, Feb 13, 2025 at 03:50:17PM +0100, Sebastian Andrzej Siewior wrote: > > This started as a bug report by Hillf Danton and aims to access > > kernfs_node::{name|parent} with RCU to avoid the lock during > > kernfs_path_from_node(). > > > > I've split the individual fixes in separate patches (#1 to #4). I've > > also split the ::parent and ::name RCU conversation into a single patch > > (#5 and #6). > > Greg, the whole series looks good to me. Probably ready to iterate in tree > even if there are more updates to make? Give me a chance to catch up with my pending patch review queue, I've been in CRA meetings lately and am way behind... Don't worry, it's not lost. thanks, greg k-h