--- old/src/hotspot/share/runtime/threadSMR.inline.hpp	2020-04-02 14:23:15.491331552 +0000
+++ new/src/hotspot/share/runtime/threadSMR.inline.hpp	2020-04-02 14:23:14.630310698 +0000
@@ -82,8 +82,8 @@
   return (ThreadsList*)Atomic::load_acquire(&_java_thread_list);
 }
 
-inline bool ThreadsSMRSupport::is_a_protected_JavaThread_with_lock(JavaThread *thread, bool skiplock) {
-  MutexLocker ml(Threads_lock->owned_by_self() || skiplock ? NULL : Threads_lock);
+inline bool ThreadsSMRSupport::is_a_protected_JavaThread_with_lock(JavaThread *thread) {
+  MutexLocker ml(Threads_lock->owned_by_self() ? NULL : Threads_lock);
   return is_a_protected_JavaThread(thread);
 }