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From: Segher Boessenkool <segher@kernel.crashing.org>
Subject: Re: use of BAT before taking over the MMU
Date: Tue, 5 Oct 2010 17:22:35 +0200
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Albert Cahalan <acahalan@gmail.com>, linuxppc-dev@lists.ozlabs.org
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>> The PowerPC OF binding requires the firmware to save and restore
>> the BATs on entry to / exit from the firmware.
>
> I'm not sure he was talking about OF here...

Yeah, I thought I was on a different mailing list.  It's still
sort-of relevant though.

> In any case, we don't muck
> around with BATs until after we're done with OF anyways.

"Lower than the lowest common divider", yeah ;-)


Segher