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From: Andi Kleen <andi@firstfloor.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jean Delvare <khali@linux-fr.org>, Olof Johansson <olof@lixom.net>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-kernel@vger.kernel.org, Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH] dmi: export dmi data through debugfs
References: <20100928211246.GA20941@lixom.net>
	<20100929093403.7db92388@endymion.delvare>
	<20100929145330.GA9351@lixom.net>
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Date: Thu, 30 Sep 2010 19:34:57 +0200
In-Reply-To: <20100929222804.7f506ba5@lxorguk.ukuu.org.uk> (Alan Cox's message
	of "Wed, 29 Sep 2010 22:28:04 +0100")
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Alan Cox <alan@lxorguk.ukuu.org.uk> writes:

>> Now if you really insist on exposing the whole DMI table through sysfs,
>> I can't prevent you from doing that. After all, ACPI already exposes
>> its tables under /sys/firmware/acpi/tables (mode 0400). But then you'd
>> rather expose the DMI entry point and tables
>> under /sys/firmware/dmi/tables for consistency, rather than using
>> debugfs. But again, I don't think it is adding any value over what we
>> already have.
>
> If you really the DMI data generally available run dmidecode in the boot
> scripts directed to a file. It even has a dump mode for this.

FWIW i have been pondering to put DMI into sysfs too. One of the reasons
mcelog has to start up as root is that it needs to get these tables
out of /dev/mem.

Just having a binary file to read would be fine though, no need to 
do decoding.

-andi

-- 
ak@linux.intel.com -- Speaking for myself only.