3 files changed, 9 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/mdesc.c b/arch/sparc64/kernel/mdesc.c
index 1b5db4bc6b3..f0e16045fb1 100644
--- a/arch/sparc64/kernel/mdesc.c
+++ b/arch/sparc64/kernel/mdesc.c
@@ -624,6 +624,10 @@ static void __init mdesc_fill_in_cpu_data(void)
 		c->proc_id = -1;
 	}
 
+#ifdef CONFIG_SMP
+	sparc64_multi_core = 1;
+#endif
+
 	set_core_ids();
 	set_proc_ids();
 
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index 172387d1f66..6f4a5284b0e 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -1782,6 +1782,9 @@ static void __init of_fill_in_cpu_data(void)
 
 			cpu_data(cpuid).core_id = portid + 1;
 			cpu_data(cpuid).proc_id = portid;
+#ifdef CONFIG_SMP
+			sparc64_multi_core = 1;
+#endif
 		} else {
 			cpu_data(cpuid).dcache_size =
 				of_getintprop_default(dp, "dcache-size", 16 * 1024);
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 68a45ac9337..4dcd7d0b60f 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -44,6 +44,8 @@
 
 extern void calibrate_delay(void);
 
+int sparc64_multi_core __read_mostly;
+
 /* Please don't make this stuff initdata!!!  --DaveM */
 unsigned char boot_cpu_id;