1 files changed, 6 insertions, 0 deletions

diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h
index c57ce4071342..b9fb2173ef99 100644
--- a/include/asm-x86_64/smp.h
+++ b/include/asm-x86_64/smp.h
@@ -135,5 +135,11 @@ static __inline int logical_smp_processor_id(void)
 }
 #endif
 
+#ifdef CONFIG_SMP
+#define cpu_physical_id(cpu)            x86_cpu_to_apicid[cpu]
+#else
+#define cpu_physical_id(cpu)            boot_cpu_id
+#endif
+
 #endif