On Fri, Feb 01, 2008 at 03:56:50PM +0100, Alexander van Heukelum wrote:
> Avoid section mismatch involving arch_register_cpu.
>
> Marking arch_register_cpu as __init and removing the export
> for non-hotplug-cpu configurations makes the following warning
> go away:
>
> Section mismatch in reference from the function
> arch_register_cpu() to the function .devinit.text:register_cpu()
> The function arch_register_cpu() references
> the function __devinit register_cpu().
> This is often because arch_register_cpu lacks a __devinit
> annotation or the annotation of register_cpu is wrong.
>
> The only external user of arch_register_cpu in the tree is
> in drivers/acpi/processor_core.c where it is guarded by
> ACPI_HOTPLUG_CPU (which depends on HOTPLUG_CPU).
>
> Signed-off-by: Alexander van Heukelum <[EMAIL PROTECTED]>
> CC: Sam Ravnborg <[EMAIL PROTECTED]>
Acked-by: Sam Ravnborg <[EMAIL PROTECTED]>
Added Ingo so he can pick it up.
Sam
>
>
> diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c
> index 78cbb65..e6757aa 100644
> --- a/arch/x86/kernel/topology.c
> +++ b/arch/x86/kernel/topology.c
> @@ -57,11 +57,10 @@ void arch_unregister_cpu(int num)
> }
> EXPORT_SYMBOL(arch_unregister_cpu);
> #else
> -int arch_register_cpu(int num)
> +static int __init arch_register_cpu(int num)
> {
> return register_cpu(&per_cpu(cpu_devices, num).cpu, num);
> }
> -EXPORT_SYMBOL(arch_register_cpu);
> #endif /*CONFIG_HOTPLUG_CPU*/
>
> static int __init topology_init(void)
> diff --git a/include/asm-x86/cpu.h b/include/asm-x86/cpu.h
> index 85ece5f..73f2ea8 100644
> --- a/include/asm-x86/cpu.h
> +++ b/include/asm-x86/cpu.h
> @@ -10,8 +10,9 @@
> struct x86_cpu {
> struct cpu cpu;
> };
> -extern int arch_register_cpu(int num);
> +
> #ifdef CONFIG_HOTPLUG_CPU
> +extern int arch_register_cpu(int num);
> extern void arch_unregister_cpu(int);
> #endif
>
> --
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