diff --git a/kernel/smp.c b/kernel/smp.c
index b04ab01eb9e0336f2b687dfc2841c4f3403b5589..7cb03edf1735390f394263c47a3b2e0b5d673492 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -113,9 +113,9 @@ static int __init csdlock_debug(char *str)
 	if (val)
 		static_branch_enable(&csdlock_debug_enabled);
 
-	return 0;
+	return 1;
 }
-early_param("csdlock_debug", csdlock_debug);
+__setup("csdlock_debug=", csdlock_debug);
 
 static DEFINE_PER_CPU(call_single_data_t *, cur_csd);
 static DEFINE_PER_CPU(smp_call_func_t, cur_csd_func);