Jeff Garzik wrote:
quoted text
> Fix !CONFIG_SMP warning:
>
> arch/x86/kernel/acpi/processor.c: In function ‘arch_acpi_processor_init_pdc’:
> arch/x86/kernel/acpi/processor.c:65: warning: unused variable ‘cpu’
>
> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
> ---
> Ideally this warning should be hidden inside a wrapper or somesuch, to
> camouflage the unneeded argument in !SMP case.
>
> diff --git a/arch/x86/kernel/acpi/processor.c b/arch/x86/kernel/acpi/processor.c
> index 2ed0a4c..45e262a 100644
> --- a/arch/x86/kernel/acpi/processor.c
> +++ b/arch/x86/kernel/acpi/processor.c
> @@ -62,7 +62,9 @@ static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
>  /* Initialize _PDC data based on the CPU vendor */
>  void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
>  {
> +#ifdef CONFIG_SMP
>  	unsigned int cpu = pr->id;
> +#endif
>  	struct cpuinfo_x86 *c = &cpu_data(cpu);
>   

Surely just replace cpu with pr->id?  That's the only use.

    J
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