linux-kernel - Re: Trying to convert old modules to newer kernels

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Message-ID: <Pine.LNX.4.61.0712201615580.9531@chaos.analogic.com>
Date:	Thu, 20 Dec 2007 16:23:12 -0500
From:	"linux-os (Dick Johnson)" <linux-os@...logic.com>
To:	"Lennart Sorensen" <lsorense@...lub.uwaterloo.ca>
Cc:	"Linux kernel" <linux-kernel@...r.kernel.org>
Subject: Re: Trying to convert old modules to newer kernels

On Thu, 20 Dec 2007, Lennart Sorensen wrote:

> On Thu, Dec 20, 2007 at 11:13:19AM -0500, linux-os (Dick Johnson) wrote:
>> It never gets to the printk(). You were right about the
>> compilation. Somebody changed the kernel to compile with
>> parameter passing in REGISTERS! This means that EVERYTHING
>> needs to be compiled the same way, 'C' calling conventions
>> were not good enough!
>>
>> FYI, it has been previously shown that passing parameters
>> in registers on register-starved ix86 machines is always
>> a loss, because the registers need to be freed up, either
>> by saving them on the stack or as dummy memory variables.
>>
>> Now, they've done it to the entire kernel!
>
> It's a config option.  I think redhat was the first to actually start
> using it on their distributions.  Many distributions don't use it.
> Debian does not use it on their kernels.
>
> --
> Len Sorensen
> --

It doesn't seem to be something in .config. Do you know how to
reconfigure to get parameter passing put back like it was? Our
production applications have lots of assembly-language files
and I'm sure we are not going to be able to change all those!

Cheers,
Dick Johnson
Penguin : Linux version 2.6.22.1 on an i686 machine (5588.29 BogoMips).
My book : http://www.AbominableFirebug.com/
_

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