1 files changed, 9 insertions, 2 deletions

diff --git a/include/asm-i386/mach-summit/mach_apic.h b/include/asm-i386/mach-summit/mach_apic.h
index 9fd073286289..a81b05961595 100644
--- a/include/asm-i386/mach-summit/mach_apic.h
+++ b/include/asm-i386/mach-summit/mach_apic.h
@@ -46,10 +46,12 @@ extern u8 cpu_2_logical_apicid[];
 static inline void init_apic_ldr(void)
 {
         unsigned long val, id;
-        int i, count;
-        u8 lid;
+        int count = 0;
         u8 my_id = (u8)hard_smp_processor_id();
         u8 my_cluster = (u8)apicid_cluster(my_id);
+#ifdef CONFIG_SMP
+        u8 lid;
+        int i;
 
         /* Create logical APIC IDs by counting CPUs already in cluster. */
         for (count = 0, i = NR_CPUS; --i >= 0; ) {
@@ -57,6 +59,7 @@ static inline void init_apic_ldr(void)
                 if (lid != BAD_APICID && apicid_cluster(lid) == my_cluster)
                         ++count;
         }
+#endif
         /* We only have a 4 wide bitmap in cluster mode.  If a deranged
          * BIOS puts 5 CPUs in one APIC cluster, we're hosed. */
         BUG_ON(count >= XAPIC_DEST_CPUS_SHIFT);
@@ -91,9 +94,13 @@ static inline int apicid_to_node(int logical_apicid)
 /* Mapping from cpu number to logical apicid */
 static inline int cpu_to_logical_apicid(int cpu)
 {
+#ifdef CONFIG_SMP
        if (cpu >= NR_CPUS)
                return BAD_APICID;
         return (int)cpu_2_logical_apicid[cpu];
+#else
+        return logical_smp_processor_id();
+#endif
 }
 
 static inline int cpu_present_to_apicid(int mps_cpu)