diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index ce1bb2301c061d..510e646cf6c2dd 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -109,6 +109,7 @@ atomic_t			kgdb_active = ATOMIC_INIT(-1);
 EXPORT_SYMBOL_GPL(kgdb_active);
 static DEFINE_RAW_SPINLOCK(dbg_master_lock);
 static DEFINE_RAW_SPINLOCK(dbg_slave_lock);
+static BLA_BLA_BLA(dbg_slave_lock);
 
 /*
  * We use NR_CPUs not PERCPU, in case kgdb is used to debug early