linux-kernel - Re: Support 2.4 modules features in 2.6

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Message-ID: <457F407B.4030602@citd.de>
Date:	Wed, 13 Dec 2006 00:51:23 +0100
From:	Matthias Schniedermeyer <ms@...d.de>
To:	Jaswinder Singh <jaswinderrajput@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Support 2.4 modules features in 2.6

Jaswinder Singh wrote:
> Hello,
> 
> I want to support old 2.4 modules features in 2.6 kernel modules:-
> 1. no kernel source tree is required to build modules.

I don't think that is possible.

There are a few "questions" that are quite fundamental when you want to
build a module that can be loaded by a given kernel.

About the most important fundamental "questions" i can think of ATM:
- UP/SMP
- Preempt yes/no
- RegParm yes/no
(x86)- High Memory off/4g/64G(IOW PAE yes/no)
And maybe a few more "not so fundamental" points.

AFAIK there is no way to build a module that would work in all of the
8/16 possible "kernel-types" you get with these 3/4 fundamental options
alone.





Bis denn

-- 
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