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Re: 64-bit and N32 kernel interfaces

To: Ralf Baechle <>
Subject: Re: 64-bit and N32 kernel interfaces
From: Dominic Sweetman <>
Date: Mon, 9 Sep 2002 15:01:44 +0100
Cc: "Maciej W. Rozycki" <>, Daniel Jacobowitz <>, "Kevin D. Kissell" <>, Tor Arntsen <>, Carsten Langgaard <>,
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <>
Ralf Baechle ( writes:

> In the SGI world o32 basically has been killed - there no more 32-bit
> processors shipped since many years.  So most SGI MIPS systems are
> running N32 code by standard and N64 is available as an option which only
> is used for the small number of applications that actually are going to
> gain from it.  O32 is deprecated; at this time it's just historical garbage.

True: but just to emphasise that's SGI.

There are still lots of 32-bit MIPS CPUs about (which can't run
n32/n64, of course) which may want to run Linux, and for now o32 is
all that is available to them.


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