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

[Andres Salomon]

On Sun, 20 Apr 2008 08:07:55 -0400
"H. Peter Anvin" <hpa@xxxxxxxxx> wrote:

> 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

I'm certainly open to suggestions..  Otherwise, I'll poke around and
see if I can come up w/ something.



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