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DateSun, 20 Apr 2008 08:07:55 -0400
From"H. Peter Anvin" <>
SubjectRe: [PATCH 1/2] OLPC: Add support for calling into Open Firmware
Yinghai Lu wrote:
> On Sat, Apr 19, 2008 at 10:39 AM, Andres Salomon <dilinger@queued.net> 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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