linux-kernel - Re: [PATCH] Open Firmware device tree virtual filesystem

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Date:	Sun, 31 Dec 2006 22:30:37 +0100 (MET)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	David Miller <davem@...emloft.net>
cc:	wmb@...mworks.com, devel@...top.org, linux-kernel@...r.kernel.org,
	jg@...top.org
Subject: Re: [PATCH] Open Firmware device tree virtual filesystem


On Dec 31 2006 12:45, David Miller wrote:
>From: Jan Engelhardt <jengelh@...ux01.gwdg.de>
>
>> BUT, the eeprom utility may be used to modify values, and if used, I
>> would like to see ofwfs show the updated value. openpromfs does it
>> today:
>> 
>> 15:09 ares:/proc/openprom/options # cat oem-banner?
>> false
>> 15:09 ares:/proc/openprom/options # eeprom 'oem-banner?=true'
>> 15:09 ares:/proc/openprom/options # cat oem-banner?
>> true
>> 
>> (BTW, why does not openpromfs have it rw?)
>
>It used to be able to :-)
>
>When I changed sparc/sparc64 over to an in-memory copy of the
>OFW tree, I wasn't able to retain writable property support
>in openpromfs.  It just needs to be implemented and I never
>found the desire nor time.

However, there is this one pseudofile "security-password" which _is_
writable, what about it?


	-`J'
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