1 files changed, 15 insertions, 0 deletions

diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h
index e6215305544a..7de5aa56c18b 100644
--- a/arch/arm/include/asm/smp_plat.h
+++ b/arch/arm/include/asm/smp_plat.h
@@ -18,4 +18,19 @@ static inline int cache_ops_need_broadcast(void)
         return ((read_cpuid_ext(CPUID_EXT_MMFR3) >> 12) & 0xf) < 1;
 }
 
+/*
+ * Return true if we are running on a SMP platform
+ */
+static inline bool is_smp(void)
+{
+#ifndef CONFIG_SMP
+        return false;
+#elif defined(CONFIG_SMP_ON_UP)
+        extern unsigned int smp_on_up;
+        return !!smp_on_up;
+#else
+        return true;
+#endif
+}
+
 #endif