linux-kernel - Re: [PATCH] dmi, Use little-endian for sysfs PRODUCT UUID

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Message-ID: <20120327160907.GB8398@srcf.ucam.org>
Date:	Tue, 27 Mar 2012 17:09:07 +0100
From:	Matthew Garrett <mjg@...hat.com>
To:	Prarit Bhargava <prarit@...hat.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmi, Use little-endian for sysfs PRODUCT UUID

On Mon, Mar 26, 2012 at 02:12:51PM -0400, Prarit Bhargava wrote:
> Although RFC 4122 recommends network byte order for all fields, the PC
> industry (including the ACPI, UEFI, and Microsoft specifications) has
> consistently used little-endian byte encoding for the first three
> fields: time_low, time_mid, time_hi_and_version. The same encoding, also
> known as wire format, should also be used for the SMBIOS representation of
> the UUID.

There's some potential for breakage here. Perhaps add an additional 
attribute that adds the purely little-endian UUID?

-- 
Matthew Garrett | mjg59@...f.ucam.org
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