[SPARC64]: Proper multi-core scheduling support.

The scheduling domain hierarchy is:

   all cpus -->
      cpus that share an instruction cache -->
          cpus that share an integer execution unit

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc64/kernel/prom.c

@@ -1800,6 +1800,7 @@ static void __init of_fill_in_cpu_data(void)
 
 			cpu_data(cpuid).core_id = 0;
 		}
+		cpu_data(cpuid).proc_id = -1;
 
 #ifdef CONFIG_SMP
 		cpu_set(cpuid, cpu_present_map);