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>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 /* Initialize _PDC data based on the CPU vendor */
 void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
 {
-       unsigned int cpu = pr->id;
-       struct cpuinfo_x86 *c = &cpu_data(cpu);
+       struct cpuinfo_x86 *c = &cpu_data(pr->id);
 
        pr->pdc = NULL;
        if (c->x86_vendor == X86_VENDOR_INTEL)