On Wed, 17 Oct 2007, Thor Lancelot Simon wrote:
> I'd like to export a hardware "system ID" by sysctl (this would also
> export system type information where available).  Actually, though,
> I'd like to export several, since many current systems have a number of
> such IDs.

This is actually present (minus the sysctl interface) in the pm branch. 
There is an in-kernel API for querying these values, wouldn't be tough to 
add read-only sysctl knobs for it.

Cheers,
Jared