linux-kernel - proxy_pda was Re: What was in the x86 merge for .20

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Date:	Fri, 8 Dec 2006 22:06:20 +0100
From:	Andi Kleen <ak@...e.de>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Arkadiusz Miskiewicz <arekm@...en.pl>, linux-kernel@...r.kernel.org
Subject: proxy_pda was Re: What was in the x86 merge for .20

On Friday 08 December 2006 21:35, Jeremy Fitzhardinge wrote:
> Arkadiusz Miskiewicz wrote:
> >   LD      .tmp_vmlinux1
> > arch/i386/kernel/built-in.o: In function `math_emulate':
> > (.text+0x3809): undefined reference to `_proxy_pda'
> >   
> 
> Hm, in theory nothing should ever generate a reference to _proxy_pda. 
> What compiler are you using?

Looking at Arkadiusz' output file it looks like gcc 4.2 decided to CSE the
address :/

	movl	$_proxy_pda+8, %edx	#, tmp65

Very sad, but legitimate.

The only workaround I can think of would be to define it as a symbol
(or away in vmlinux.lds.S). Or do away with the idea of proxy_pda
again.

-Andi
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