From: Stefan Richter <stefanr@s5r6.in-berlin.de>
To: David Miller <davem@davemloft.net>
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
Date: Wed, 24 Sep 2008 12:51:01 +0200 [thread overview]
Message-ID: <48DA1B95.5030806@s5r6.in-berlin.de> (raw)
In-Reply-To: <20080923.164745.12711639.davem@davemloft.net>
David Miller wrote:
> From: Jiri Kosina <jkosina@suse.cz>
> 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/
next prev parent reply other threads:[~2008-09-24 10:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-23 22:45 [PATCH 2/3] e1000e: Useset_memory_ro()/set_memory_rw() to protect flash memory Jeff Kirsher
2008-09-23 23:29 ` David Miller
2008-09-23 23:45 ` Jiri Kosina
2008-09-23 23:47 ` David Miller
2008-09-24 10:51 ` Stefan Richter [this message]
2008-09-24 17:53 ` Kyle McMartin
2008-09-24 18:13 ` Allan, Bruce W
2008-09-24 22:55 ` Jiri Kosina
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