From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752593AbYIXKxs (ORCPT ); Wed, 24 Sep 2008 06:53:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751054AbYIXKxg (ORCPT ); Wed, 24 Sep 2008 06:53:36 -0400 Received: from einhorn.in-berlin.de ([192.109.42.8]:32894 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750938AbYIXKxf (ORCPT ); Wed, 24 Sep 2008 06:53:35 -0400 X-Envelope-From: stefanr@s5r6.in-berlin.de Message-ID: <48DA1B95.5030806@s5r6.in-berlin.de> Date: Wed, 24 Sep 2008 12:51:01 +0200 From: Stefan Richter User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.16) Gecko/20080722 SeaMonkey/1.1.11 MIME-Version: 1.0 To: David Miller CC: jkosina@suse.cz, jeffrey.t.kirsher@intel.com, jeff@garzik.org, mingo@elte.hu, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, jesse.brandeburg@intel.com, john.ronciak@intel.com, bruce.w.allan@intel.com Subject: Re: [PATCH 2/3] e1000e: Useset_memory_ro()/set_memory_rw() to protect flash memory References: <20080923224535.6869.76210.stgit@jtkirshe-mobile.jf.intel.com> <20080923.162957.141669474.davem@davemloft.net> <20080923.164745.12711639.davem@davemloft.net> In-Reply-To: <20080923.164745.12711639.davem@davemloft.net> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org David Miller wrote: > From: Jiri Kosina > Date: Wed, 24 Sep 2008 01:45:53 +0200 (CEST) > >> Yes, probably not a vanilla kernel material, but could be very well used >> for testing to further isolate whether it is kernel or userspace >> corrupting the memory mapped eeprom. > > Absolutely. Would it help and would it be feasible to drastically shorten the lifetime of the MMIO mapping? I.e. only have it mapped briefly during the driver probe, and temporarily whenever a userspace tool like ethtool needs it. -- Stefan Richter -=====-==--- =--= ==--- http://arcgraph.de/sr/