src/hotspot/share/runtime/interfaceSupport.cpp

@@ -85,11 +85,11 @@
 RuntimeHistogramElement::RuntimeHistogramElement(const char* elementName) {
   static volatile int RuntimeHistogram_lock = 0;
   _name = elementName;
   uintx count = 0;
 
-  while (Atomic::cmpxchg(1, &RuntimeHistogram_lock, 0) != 0) {
+  while (Atomic::cmpxchg(&RuntimeHistogram_lock, 0, 1) != 0) {
     while (Atomic::load_acquire(&RuntimeHistogram_lock) != 0) {
       count +=1;
       if ( (WarnOnStalledSpinLock > 0)
         && (count % WarnOnStalledSpinLock == 0)) {
         warning("RuntimeHistogram_lock seems to be stalled");