x86: support for new UV apic, prepare

Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/genapic_64.c

@@ -25,9 +25,11 @@
 #endif
 
 /* which logical CPU number maps to which CPU (physical APIC ID) */
+#ifdef CONFIG_SMP
 u16 x86_cpu_to_apicid_init[NR_CPUS] __initdata
 					= { [0 ... NR_CPUS-1] = BAD_APICID };
 void *x86_cpu_to_apicid_early_ptr;
+#endif
 DEFINE_PER_CPU(u16, x86_cpu_to_apicid) = BAD_APICID;
 EXPORT_PER_CPU_SYMBOL(x86_cpu_to_apicid);