linux-kernel - Re: [2.6 patch] arch/i386/kernel/smpboot.c:setup_trampoline() must be _

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Date:	Mon, 15 Oct 2007 17:02:37 +0200
From:	Frank van Maarseveen <frankvm@...nkvm.com>
To:	Adrian Bunk <bunk@...sta.de>
Cc:	linux-kernel@...r.kernel.org, stable@...nel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [2.6 patch] arch/i386/kernel/smpboot.c:setup_trampoline() must be __cpuinit

On Tue, Jul 10, 2007 at 02:05:52AM +0200, Adrian Bunk wrote:
> This patch fixes the following section mismatch reported by
> Frank van Maarseveen:
> 
> <--  snip  -->
> 
> ...
>   MODPOST vmlinux
> WARNING: arch/i386/kernel/built-in.o(.text+0xf201): Section mismatch: reference to .init.data:trampoline_end (between 'setup_trampoline' and 'cpu_coregroup_map')
> WARNING: arch/i386/kernel/built-in.o(.text+0xf207): Section mismatch: reference to .init.data:trampoline_data (between 'setup_trampoline' and 'cpu_coregroup_map')
> WARNING: arch/i386/kernel/built-in.o(.text+0xf21a): Section mismatch: reference to .init.data:trampoline_data (between 'setup_trampoline' and 'cpu_coregroup_map')
> ...
> 
> <--  snip  -->
> 
> Signed-off-by: Adrian Bunk <bunk@...sta.de>
> 
> ---
> 
> @stable:
> Harmless but annoying warnings present when building an i386 SMP kernel 
> with CONFIG_HOTPLUG_CPU=n and gcc < 4.0 .
> 
> --- linux-2.6.22-rc6-mm1/arch/i386/kernel/smpboot.c.old	2007-07-10 01:26:07.000000000 +0200
> +++ linux-2.6.22-rc6-mm1/arch/i386/kernel/smpboot.c	2007-07-10 01:26:18.000000000 +0200
> @@ -117,7 +117,7 @@
>   * has made sure it's suitably aligned.
>   */
>  
> -static unsigned long __devinit setup_trampoline(void)
> +static unsigned long __cpuinit setup_trampoline(void)
>  {
>  	memcpy(trampoline_base, trampoline_data, trampoline_end - trampoline_data);
>  	return virt_to_phys(trampoline_base);
> 

This one hasn't been merged yet.

-- 
Frank
-
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