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-rw-r--r--init/main.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/init/main.c b/init/main.c
index 4075d97e94b1..f142d4035341 100644
--- a/init/main.c
+++ b/init/main.c
@@ -64,6 +64,10 @@
#endif
#endif
+#ifdef CONFIG_X86_LOCAL_APIC
+#include <asm/smp.h>
+#endif
+
/*
* Versions of gcc older than that listed below may actually compile
* and link okay, but the end product can have subtle run time bugs.
@@ -310,7 +314,14 @@ extern void setup_arch(char **);
#ifndef CONFIG_SMP
+#ifdef CONFIG_X86_LOCAL_APIC
+static void __init smp_init(void)
+{
+ APIC_init_uniprocessor();
+}
+#else
#define smp_init() do { } while (0)
+#endif
static inline void setup_per_cpu_areas(void) { }
static inline void smp_prepare_cpus(unsigned int maxcpus) { }