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Re: Modpost warning on Alchemy

To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Subject: Re: Modpost warning on Alchemy
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Wed, 1 Aug 2007 16:39:26 +0100
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>, Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
In-reply-to: <46B086EB.2030101@ru.mvista.com>
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References: <20070801115231.GA20323@linux-mips.org> <46B07B36.1000501@ru.mvista.com> <Pine.LNX.4.64N.0708011337390.20314@blysk.ds.pg.gda.pl> <46B086EB.2030101@ru.mvista.com>
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On Wed, 01 Aug 2007 17:13:15 +0400
Sergei Shtylyov <sshtylyov@ru.mvista.com> wrote:

> Maciej W. Rozycki wrote:
> 
> >>>So could somebody Alchemist try to rewrite this to use ioremap() instead?
> 
> >>   Will ioremap() work for 4 GB range? I guess not.
> 
> >  Of course it will.  It shall work with whatever physical address space is 
> > supported by your MMU.  As long as the MMU is handled correctly that is, 
> > but I guess I may have omitted this clarification as obvious.
> 
>     Even on a CPU with 36-bit physical address? ;-)

Nope. This is one problem for example with ioremap on a Pentium Pro.


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