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Re: MIPS 64?

To: Linux-MIPS <linux-mips@oss.sgi.com>
Subject: Re: MIPS 64?
From: Greg Lindahl <lindahl@keyresearch.com>
Date: Tue, 21 May 2002 10:00:40 -0700
In-reply-to: <20020521164730.GC11618@paradigm.rfc822.org>; from flo@rfc822.org on Tue, May 21, 2002 at 06:47:30PM +0200
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On Tue, May 21, 2002 at 06:47:30PM +0200, Florian Lohoff wrote:
> On Mon, May 20, 2002 at 08:57:44AM -0700, Greg Lindahl wrote:
> > On Mon, May 20, 2002 at 12:06:45PM +0200, Maciej W. Rozycki wrote:
> > 
> > >  Well, the surprise is going to happen in drivers, I'm afraid...
> > 
> > Linux drivers as a whole are 64-bit clean; alpha's been around for a
> > long time. MIPS-only devices might be dirtier.
> 
> Not really true - I just stumbled over the cyclades multiport driver
> which says to work on alpha for a long time - But it doesnt on
> Sparc64 due to the porters misunderstanding on typedefs for the 
> driver internals. (Alpha and i386 are happy with char irqs e.g.).

I must say I find this entire discussion bewildering: one example does
not mean that Linux drivers are not "as a whole" 64-bit clean.

Another poster thought that things like ISA and Turbochannel devices
were a counter-example. Well, no.

greg


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