linux-kernel - Re: 2.6.20-rc6-mm1: linker error with arch_setup_additional

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Date:	Mon, 29 Jan 2007 00:59:40 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Andi Kleen <ak@...e.de>
Cc:	"Parag Warudkar" <parag.warudkar@...il.com>, thunder7@...all.nl,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.20-rc6-mm1: linker error with arch_setup_additional_pages

On Mon, 29 Jan 2007 03:51:54 +0100
Andi Kleen <ak@...e.de> wrote:

> 
> > I think the easy and correct fix for this situation is defining
> > CONFIG_ARCH_HAS_SETUP_ADDITIONAL_PAGES on x86_64 only if
> > IA32_EMULATION is defined. (Because x86_64 proper doesn't seem to
> > require arch_setup_additional_pages() only IA32 emulation requires
> > it.)
> >
> > The patch below should fix it. (Please use attachment - less chance of
> > whitespace issues. Sorry no control over mail client atm)
> 
> A more elegant solution would be to do away with the CONFIG
> and switch to a weak function in the caller.
> 

Now why didn't I think of that?
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