From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
To: Milton Miller <miltonm@bga.com>
Cc: ppcdev <linuxppc-dev@ozlabs.org>, Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH] powerpc: Fix PowerPC 750CL CPU features
Date: Thu, 12 Apr 2007 08:53:22 -0500 [thread overview]
Message-ID: <1176386002.6379.31.camel@zod.rchland.ibm.com> (raw)
In-Reply-To: <89c4d64a1c2e654c8f339f008bbeddeb@bga.com>
On Thu, 2007-04-12 at 08:49 -0500, Milton Miller wrote:
> On Thu Apr 12 22:49:06 EST 2007, Josh Boyer wrote:
> > PowerPC 750CL has high BATs. The patch below sets cpu_features to
> > match that.
> > Without it, the original firmware mappings in the high BATs aren't
> > cleared
> > which can cause "odd" address translations to occur.
>
> Lets say what it does: which continue to override the linux
> translations.
Sure, that's exactly what it does since without the HIGH_BATS feature
Linux doesn't know about them and therefore can't clear them.
josh
next prev parent reply other threads:[~2007-04-12 13:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-12 12:49 [PATCH] powerpc: Fix PowerPC 750CL CPU features Josh Boyer
2007-04-12 13:49 ` Milton Miller
2007-04-12 13:53 ` Josh Boyer [this message]
2007-04-12 16:41 ` Segher Boessenkool
2007-04-12 17:06 ` Kumar Gala
2007-04-12 17:11 ` Josh Boyer
2007-04-12 17:10 ` Josh Boyer
2007-04-12 19:24 ` Segher Boessenkool
2007-04-13 2:28 ` Benjamin Herrenschmidt
2007-04-13 10:52 ` Josh Boyer
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