1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index da8f15ac7a6d..003a65395bd5 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -550,7 +550,9 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c)
 
         validate_pat_support(c);
 
+#ifdef CONFIG_SMP
         c->cpu_index = boot_cpu_id;
+#endif
 }
 
 void __init early_cpu_init(void)