From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Mark A. Greer" <mgreer@mvista.com>
Cc: linuxppc-dev@ozlabs.org, John Reiser <jreiser@BitWagon.com>
Subject: Re: 2GB address space limit on 32-bit PowerPC Macintosh
Date: Tue, 17 May 2005 10:56:17 +1000 [thread overview]
Message-ID: <1116291377.5095.150.camel@gaston> (raw)
In-Reply-To: <4288DFCB.2080208@mvista.com>
On Mon, 2005-05-16 at 11:00 -0700, Mark A. Greer wrote:
> Benjamin Herrenschmidt wrote:
>
> >
> >series are by no mean stable. Embedded code has been rather frozen in
> >the rock, I don't think it's much to ask from the appropriate maintainer
> >to have a quick look at possibly upgrading their board support as well.
> >
>
> Seems reasonable to me.
>
> >And it isn't a difficult change for most 6xx/7xx/7xxx based boards
> >anyway.
> >
>
> From a quick grep, it looks like apus, gemini, k2, lopec, pplus, prep,
> and prpmc800 are the offenders in the 6xx/7xx/74xx world. Does anyone
> even care about the lopec and k2 anymore?
Note that there is only a problem if those io_block_mapping calls are
done to map things in the virtual region between 2G and 3G. If they are
done to map things "high" (like 0xf*) they are still fine.
Ben.
next prev parent reply other threads:[~2005-05-17 0:59 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-15 22:36 2GB address space limit on 32-bit PowerPC Macintosh John Reiser
2005-05-15 23:01 ` Benjamin Herrenschmidt
2005-05-15 23:29 ` Paul Mackerras
2005-05-15 23:34 ` Benjamin Herrenschmidt
2005-05-16 5:51 ` Kumar Gala
2005-05-16 5:52 ` Benjamin Herrenschmidt
2005-05-16 6:21 ` Kumar Gala
2005-05-16 6:22 ` Benjamin Herrenschmidt
2005-05-16 15:04 ` Dan Malek
2005-05-16 15:05 ` Benjamin Herrenschmidt
2005-05-16 15:52 ` Dan Malek
2005-05-16 16:42 ` Benjamin Herrenschmidt
2005-05-16 17:11 ` Dan Malek
2005-05-17 0:54 ` Benjamin Herrenschmidt
2005-05-16 18:00 ` Mark A. Greer
2005-05-16 18:06 ` Mark A. Greer
2005-05-16 20:31 ` Dan Malek
2005-05-16 20:43 ` Mark A. Greer
2005-05-16 21:02 ` Dan Malek
2005-05-17 3:14 ` Benjamin Herrenschmidt
2005-05-17 0:56 ` Benjamin Herrenschmidt [this message]
2005-05-16 16:11 ` Wolfgang Denk
2005-05-16 16:22 ` Eugene Surovegin
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