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 24009EB64D7 for ; Fri, 16 Jun 2023 09:04:50 +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=pb/G5Ia0ZXp+nxAAbGj0LlonRWMlJ0G2kjYZ6DjT/C4=; b=BiIO+OYlKQhyR7 9Qb7R/50vNj398/87E8dkHwrAPoNjzE3EUjZtfJ/alpipz7ji1Hs9RI/KDcbpfPr3WjFwjVgPXEhE RuOHgo2sTPkat7H+9AE9GwdfF0V4Y2v91WA8FNYgO+gOvu+dyEg0bmgsBWPBtl5Hj0Wk0rCA1z0yW Gm8MfShDazmf9yfWRl7FvP6c23uiIG3CZF4dUyRfgVvmXb51WZuOYQClt4g21Gnl8nAdjw5X895Lx yWo+HEl5blFN+owub/RGmSkvTFGnBW7GAmY9VG2+ihU7GeDNTu8VVGFpOUc8Csl4B40Wp5GREKuj4 91gyll/sStQayOR57kMQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qA5Nc-00HP6Y-1Q; Fri, 16 Jun 2023 09:04:28 +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 1qA5NZ-00HP5j-3D for linux-arm-kernel@lists.infradead.org; Fri, 16 Jun 2023 09:04:27 +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 4AB6D62C11; Fri, 16 Jun 2023 09:04:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4679FC433C0; Fri, 16 Jun 2023 09:04:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1686906264; bh=ApZSchng3QVjySvucr/CxJMq9FxqU7kumKKqVh5yzjg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Y7HysZYaeJ0B4uWVDfOff4vQKFAoKJEiHuYfBYQMxF6hFbR/+ho4s/XMDx0N4rAMx s0uAvcbbXiMWxCEpQQl4np+g/cg/SnlPqOZgNVth8b6gNPLEKTH4hKqeOFQuLW5D4x cuOCGn5z+aqqriaZ6ruOJWHXLypG7+dEy7CYWzfs= Date: Fri, 16 Jun 2023 11:04:21 +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: <2023061646-coil-broadly-9efc@gregkh> References: <20230616055913.2360-1-alison.wang@nxp.com> <2023061647-upward-petty-7695@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_020426_079606_54E23CE2 X-CRM114-Status: GOOD ( 17.30 ) 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 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? > Where are the userspace tools (if any) that are needed for this driver to work properly? > [Alison Wang] You could refer to https://github.com/nxp-imx/ethos-u-driver-stack-imx.git . Please put that in the documentation for the commit. thanks, greg k-h _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel