Re: [PATCH] [i386/x86-64] Fix section mismatch

[Sam Ravnborg <sam@ravnborg.org>]

On Fri, May 11, 2007 at 05:32:48PM +0200, Bernhard Walle wrote:
> This patch fixes following compile warning:
> 
> --------- >8 --------
> WARNING: arch/x86_64/kernel/built-in.o - Section mismatch: reference to
> .init.text:mtrr_bp_init from .text between 'id entify_cpu' (at offset 0x6571)
> and 'IRQ0x20_interrupt'
> --------- 8< --------
> 
> It's because identify_cpu() which is __cpuinit calls mtrr_bp_init() which is
> __init(). __cpuinit() expands to nothing if CONFIG_HOTPLUG_CPU=y and so the
> call is illegal.
> 
> 
> Signed-off-by: Bernhard Walle <bwalle@suse.de>
> 
I cannot see what goes wrong here and how your patch fixes this.
Can you please send me a copy of your .config.

[I have submitted a patch to add both __init tags today and
 needs to find out if that one is bogus].

	Sam


> ---
>  arch/i386/kernel/cpu/mtrr/generic.c |    2 +-
>  arch/i386/kernel/cpu/mtrr/main.c    |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> --- a/arch/i386/kernel/cpu/mtrr/generic.c
> +++ b/arch/i386/kernel/cpu/mtrr/generic.c
> @@ -78,7 +78,7 @@ static void __cpuinit print_fixed(unsign
>  }
>  
>  /*  Grab all of the MTRR state for this CPU into *state  */
> -void __init get_mtrr_state(void)
> +void get_mtrr_state(void)
>  {
>  	unsigned int i;
>  	struct mtrr_var_range *vrs;
> --- a/arch/i386/kernel/cpu/mtrr/main.c
> +++ b/arch/i386/kernel/cpu/mtrr/main.c
> @@ -639,7 +639,7 @@ static struct sysdev_driver mtrr_sysdev_
>   * initialized (i.e. before smp_init()).
>   * 
>   */
> -void __init mtrr_bp_init(void)
> +void mtrr_bp_init(void)
>  {
>  	init_ifs();
>  
> -
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