Re: [PATCH 1/2] OLPC: Add support for calling into Open Firmware

[H. Peter Anvin]

Yinghai Lu wrote:
> On Sat, Apr 19, 2008 at 10:39 AM, Andres Salomon <dilinger@xxxxxxxxxx> wrote:
> >  This adds 32-bit support for calling into OFW from the kernel.  It's useful
> >  for querying the firmware for misc hardware information, fetching the device
> >  tree, etc.
> >
> >  There's potentially no reason why other platforms couldn't use this, but
> >  currently OLPC is the main user of it.
> >
> >  This work was originally done by Mitch Bradley.

Hm.  This interface seems more than a bit ad hoc.  In particular, I 
*really* don't like the swapper_pg_dir hack.

"There must be a better way."

	-hpa
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