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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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