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 7BCA01DDD7; Sun, 4 Feb 2024 14:35:18 +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=1707057318; cv=none; b=K0sxowF8Nozm8mKpVOcbnrQAXAMUcXmcxeFhDusbZYVFTlQsgKqQ/YpN57T1WfJPA631Z7kQT1skkV4kxH0bTCie+dwqqKbQpxJw67/LJ89CgfNOhbYIzkPoh6hjU3hM1B5rGZ33l0r0zr7npo2Z2vZelECC/EnVK99W/e40+Yg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707057318; c=relaxed/simple; bh=awoxN+LCbkkokatZAAIy7lRCtvPNshr7ALjiqC/b9Dw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=oENV0FQESY2GITwQxZL9KEpiobiKaBV8F2peXf4ol8VFn9f+NPpy9FJAco6aLz7jrE5cGE3SmG70hS09I6LMwz2GMtY2yuphs2XzsV6uvLvJXGdLMKnQr9Mac9h22kV/pykBehzGte3VeXZq+2Qq07AQuaqP6isa2f85/9W9Rbs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Z9E7sDIx; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Z9E7sDIx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A5691C433C7; Sun, 4 Feb 2024 14:35:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1707057317; bh=awoxN+LCbkkokatZAAIy7lRCtvPNshr7ALjiqC/b9Dw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Z9E7sDIxdImlRl1LZst/Ws48XUjtoa2LWbX4doA5jXzdGfV5wBpXgTsFO665ZvNyL u8ROGapSQNwXDD05CDRNAr7HoV9OQ2VSjXtUzTy5kRQ2/6quoZqZvrBII5Pa9eCcNc /N6hy7Yi7TBxPgtx1KR/x678IaCjZWAjL9nImuughwv1M31gpbpeZ9Kwp8hQ80SDjk ZzJJNO5np00stUCmx05Ob3/s7DPUhs3+PLez+URQ55s/HH5Xwt2FwHEc6JoSj16tr8 LqwJ5MSgz+a+oXjtLX2LU+6Rsw3cM8s7I7hXb/t7D6fwBimAglIKnx8n48Efav8vFL uIZ6FI4JZDrnA== Date: Sun, 4 Feb 2024 14:35:13 +0000 From: Simon Horman To: Bo Liu =?utf-8?B?KOWImOazoikt5rWq5r2u5L+h5oGv?= Cc: "miquel.raynal@bootlin.com" , "alex.aring@gmail.com" , "stefan@datenfreihafen.org" , "davem@davemloft.net" , "edumazet@google.com" , "kuba@kernel.org" , "pabeni@redhat.com" , "linux-wpan@vger.kernel.org" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] net: ieee802154: at86rf230: convert to use maple tree register cache Message-ID: <20240204143513.GB941651@kernel.org> References: <982c399a2bd043a186a27a399f9b2493@inspur.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=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <982c399a2bd043a186a27a399f9b2493@inspur.com> On Fri, Feb 02, 2024 at 08:08:14AM +0000, Bo Liu (刘波)-浪潮信息 wrote: > > >Hi Bo, > > > >liubo03@inspur.com wrote on Fri, 2 Feb 2024 01:45:12 -0500: > > > >> The maple tree register cache is based on a much more modern data > >> structure than the rbtree cache and makes optimisation choices which > >> are probably more appropriate for modern systems than those made by the > >rbtree cache. > > > >What are the real intended benefits? Shall we expect any drawbacks? > > > Hi > The maple tree register cache has now got to the point where is is > roughly feature compatible with the rbtree cache. It's based on a much more modern data > structure than the rbtree cache Thanks Bo Liu, You have stated that maple is more modern than rbtree. But please address Miquel's questions: what are the real expected benefits; what possible drawbacks are there?