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From: Segher Boessenkool <segher@kernel.crashing.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Albert Cahalan <acahalan@gmail.com>, linuxppc-dev@lists.ozlabs.org
Subject: Re: use of BAT before taking over the MMU
Date: Tue, 5 Oct 2010 17:22:35 +0200	[thread overview]
Message-ID: <5EE72F00-BC7C-426B-A828-FE21CC868982@kernel.crashing.org> (raw)
In-Reply-To: <1286266201.2463.336.camel@pasglop>

>> 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

  parent reply	other threads:[~2010-10-05 15:18 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-02 18:32 use of BAT before taking over the MMU Albert Cahalan
2010-10-04  4:25 ` Segher Boessenkool
2010-10-04 16:06   ` Albert Cahalan
2010-10-05  7:54     ` Segher Boessenkool
2010-10-05  8:11     ` Benjamin Herrenschmidt
2010-10-05  8:10   ` Benjamin Herrenschmidt
2010-10-05 12:05     ` Albert Cahalan
2010-10-05 12:28       ` Benjamin Herrenschmidt
2010-10-05 15:31       ` Segher Boessenkool
2010-10-07  2:05         ` Albert Cahalan
2010-10-07  8:00           ` Benjamin Herrenschmidt
2010-10-05 15:22     ` Segher Boessenkool [this message]
2010-10-05  8:09 ` Benjamin Herrenschmidt

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