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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F9D2C11F66 for ; Tue, 29 Jun 2021 13:47:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0E21861D94 for ; Tue, 29 Jun 2021 13:47:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234187AbhF2NuD (ORCPT ); Tue, 29 Jun 2021 09:50:03 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:33208 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233050AbhF2NuD (ORCPT ); Tue, 29 Jun 2021 09:50:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=+zdXcOVpR4srko+modJqSdFPnMR5rbUZbl+o4MRo+PU=; b=Zp0vF02rO7aBPI4BcvsC8U8Hwf ytSh+v0vHA7+soSns8OfQMb6KLEK2PrC4QlmvSAFKDMn2uOIkU2Edn+DKIhUT/mPYczkeMMtHkcJ1 UWY/CZaTJ4XUBV68S65SlHiShs9gbb5WPcNDJqoe2YiPFR2/f6BfRkkxfbY72r/q8L8g=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1lyE5N-00BXum-3V; Tue, 29 Jun 2021 15:47:33 +0200 Date: Tue, 29 Jun 2021 15:47:33 +0200 From: Andrew Lunn To: Ido Schimmel Cc: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, jiri@nvidia.com, vladyslavt@nvidia.com, moshe@nvidia.com, vadimp@nvidia.com, mkubecek@suse.cz, mlxsw@nvidia.com, Ido Schimmel Subject: Re: [RFC PATCH net-next 0/4] ethtool: Add ability to write to transceiver module EEPROMs Message-ID: References: <20210623075925.2610908-1-idosch@idosch.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org > Even with the proposed approach, the kernel sits in the middle between > the module and user space. As such, it can maintain an "allow list" that > only allows access to modules with a specific memory map (CMIS and > SFF-8636 for now) and only to a subset of the pages which are > standardized by the specifications. Hi Ido This seems like a reasonable compromise. But i would go further. Limit it to just what is needed for firmware upgrade. Andrew