diff --git a/arch/arc/kernel/stacktrace.c b/arch/arc/kernel/stacktrace.c
index e0efff15a5aece29f9bf8ca45b95f856fc206eab..b9192a653b7e3a2a2a34c8ddaed1dfad037f30c0 100644
--- a/arch/arc/kernel/stacktrace.c
+++ b/arch/arc/kernel/stacktrace.c
@@ -142,7 +142,7 @@ arc_unwind_core(struct task_struct *tsk, struct pt_regs *regs,
 	 * prelogue is setup (callee regs saved and then fp set and not other
 	 * way around
 	 */
-	pr_warn("CONFIG_ARC_DW2_UNWIND needs to be enabled\n");
+	pr_warn_once("CONFIG_ARC_DW2_UNWIND needs to be enabled\n");
 	return 0;
 
 #endif