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

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Message-Id: <200701290351.54270.ak@suse.de>
Date:	Mon, 29 Jan 2007 03:51:54 +0100
From:	Andi Kleen <ak@...e.de>
To:	"Parag Warudkar" <parag.warudkar@...il.com>
Cc:	thunder7@...all.nl, "akpm@...l.org" <akpm@...l.org>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.20-rc6-mm1: linker error with arch_setup_additional_pages


> 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.

-Andi
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