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Re: Modpost warning on Alchemy

To: "Maciej W. Rozycki" <>
Subject: Re: Modpost warning on Alchemy
From: Ralf Baechle <>
Date: Thu, 2 Aug 2007 10:25:38 +0100
Cc: Alan Cox <>, Sergei Shtylyov <>,
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <> <> <> <> <> <> <> <>
User-agent: Mutt/1.5.14 (2007-02-12)
On Wed, Aug 01, 2007 at 05:33:25PM +0100, Maciej W. Rozycki wrote:

> > Which happens to be the solution that is Linus-incompatible so I may
> > eventually have to change it ;-)
>  Well, however we do it, the width of the physical address cookie used 
> with ioremap() should not be forced to be related to the width of the 
> virtual address space in any way.  I see no reason for us to be crippled 
> by limitations of some other architectures or, worse yet, by ones of some 
> code specific to some other platform.

It's the physical not virtual address and as you say yourself it's a cookie
so could potencially be some opaque value that isn't a physical address
at all.  And I wouldn't quite call it crippling that's certainly way


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