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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 455CBEB64DA for ; Fri, 16 Jun 2023 11:11:58 +0000 (UTC) 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=EuPqUaKzWehn5/FaTjjDm5ABWpAAu/9nDjp8Obvlo28=; b=c/ihJolkQouiYt nsfIpWAoLFA3/ccl6JhjmDyf4czl6xw0s37DX0Md2Oj/S0LyG9mtydzgvHeZERAyLcaAre9IV+vv/ TYApGhLz9rIVw423I4CaHTu+MAHr9Uzf8KQEcvLVz2By+SwSlGpA8tAdaLpbuUo5EeD5HM+qjlmMF HBJYqhiX8WMkqPgYFWpoOYKGM4Shzc9t1IZQRYc6Iqs5Hqt0h/K3oW9iHHaTEmZFDnkIGgG19LnQ8 Qc0PJ4UwJMshs9MvoY6zkKOamkuYK/oYHFPJ4Myt2z/77uBkOKxGVi/nXA1I9LfSlbp4gnp8EQFcm O9MduPysvc+rF4L6Y+gw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qA7Mg-000LXP-1H; Fri, 16 Jun 2023 11:11:38 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qA7Mc-000LVW-27 for linux-arm-kernel@lists.infradead.org; Fri, 16 Jun 2023 11:11:35 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 2152B61601; Fri, 16 Jun 2023 11:11:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0DCA0C433C9; Fri, 16 Jun 2023 11:11:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1686913893; bh=E3LSyICTfe08vvM/D5ylLdhNYeKjU8LGVjDE3PyCk+g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=B22vBA/ZCwxWs9Y5gC7wCpYZ5DCL9Mih0/HcCZiti1e2yBTN6RTCMOhfM6tkP1mZp w+LENWICxwdQ/EgrWN9zkBCc2gNhxEfNfzEKMPl9T6k2W5s16L1i8h/WomjzYByoGm s1fsfOvnHh0HEdtr9Awjql+3aAmX+kLWBcbCzdek= Date: Fri, 16 Jun 2023 13:11:30 +0200 From: Greg KH To: Alison Wang Cc: "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Leo Li , Forrest Shi , "X.F. Ren" , Feng Guo Subject: Re: [EXT] Re: [PATCH 0/8] ethosu: Add Arm Ethos-U driver Message-ID: <2023061638-rounding-swinger-5658@gregkh> References: <20230616055913.2360-1-alison.wang@nxp.com> <2023061647-upward-petty-7695@gregkh> <2023061646-coil-broadly-9efc@gregkh> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230616_041134_741853_F8A3D91A X-CRM114-Status: GOOD ( 17.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Jun 16, 2023 at 10:47:56AM +0000, Alison Wang wrote: > On Fri, Jun 16, 2023 at 08:26:28AM +0000, Alison Wang wrote: > > > > On Fri, Jun 16, 2023 at 01:59:05PM +0800, Alison Wang wrote: > > > This series contains Arm's NPU Ethos-U driver for NXP i.MX93 platform. > > > > > > Ethos-U Linux driver is to provide an example of how a rich > > > operating system like Linux can dispatch inferences to an Arm > > > Cortex-M subsystem, consisting of an Arm Cortex-M and an Arm Ethos-U NPU. > > > > What is an "inference"? > > [Alison Wang] The inference here means machine learning inference. It > > is the process of running data points into a machine learning model to > > calculate an output such as a single numerical score. For example, we > > use this driver, user space application and Cortex-M firmware to complete an inference about image classification. > > Nice, so why isn't this under drivers/accel/ then? Does it not need that framework? > [Alison Wang] This driver doesn't need that framework. Odd quoting style... Anyway, why not use that famework? That's what that subsystem is for, so you are going to have to document why this does not fit into that model at all and you need your own interface instead. thanks, greg k-h _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel