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    Subject[PATCH 1/12] X86: fix !CONFIG_SMP warning in processor.c
    Date
    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);

    pr->pdc = NULL;
    -
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