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

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Date:	Fri, 8 Dec 2006 23:04:19 +0100
From:	Arkadiusz Miskiewicz <arekm@...en.pl>
To:	Andi Kleen <ak@...e.de>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>, linux-kernel@...r.kernel.org
Subject: Re: proxy_pda was Re: What was in the x86 merge for .20

On Friday 08 December 2006 22:22, Andi Kleen wrote:

> The trouble is when it's CSEd it actually causes worse code because
> a register is tied up. That might not be worth the advantage of having it?
>
> Hmm, maybe marking it volatile would help? Arkadiusz, does the following
> patch help?

Unfortunately - no.

  LD      .tmp_vmlinux1
arch/i386/kernel/built-in.o: In function `dump_stack':
(.text+0x36a7): undefined reference to `_proxy_pda'
arch/i386/kernel/built-in.o: In function `math_emulate':
(.text+0x3910): undefined reference to `_proxy_pda'
arch/i386/kernel/built-in.o: In function `smp_error_interrupt':
(.text+0xe093): undefined reference to `_proxy_pda'
arch/i386/kernel/built-in.o: In function `smp_apic_timer_interrupt':
(.text+0xe16d): undefined reference to `_proxy_pda'
arch/i386/kernel/built-in.o: In function `smp_apic_timer_interrupt':
(.text+0xe184): undefined reference to `_proxy_pda'
arch/i386/kernel/built-in.o:(.init.text+0x268a): more undefined references to 
`_proxy_pda' follow
make: *** [.tmp_vmlinux1] Błąd 1

.i, .S offlist.

> -Andi


-- 
Arkadiusz Miśkiewicz        PLD/Linux Team
arekm / maven.pl            http://ftp.pld-linux.org/
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