--- old/src/hotspot/share/runtime/objectMonitor.cpp	2018-09-17 23:29:24.083745903 -0700
+++ new/src/hotspot/share/runtime/objectMonitor.cpp	2018-09-17 23:29:23.831745911 -0700
@@ -103,7 +103,6 @@
 
 int ObjectMonitor::Knob_SpinLimit    = 5000;    // derived by an external tool -
 
-static int Knob_SpinEarly           = 1;
 static int Knob_SuccEnabled         = 1;       // futile wake throttling
 static int Knob_SuccRestrict        = 0;       // Limit successors + spinners to at-most-one
 static int Knob_MaxSpinners         = -1;      // Should be a function of # CPUs
@@ -287,7 +286,7 @@
   // transitions.  The following spin is strictly optional ...
   // Note that if we acquire the monitor from an initial spin
   // we forgo posting JVMTI events and firing DTRACE probes.
-  if (Knob_SpinEarly && TrySpin (Self) > 0) {
+  if (TrySpin(Self) > 0) {
     assert(_owner == Self, "invariant");
     assert(_recursions == 0, "invariant");
     assert(((oop)(object()))->mark() == markOopDesc::encode(this), "invariant");
@@ -449,7 +448,7 @@
   // to the owner.  This has subtle but beneficial affinity
   // effects.
 
-  if (TrySpin (Self) > 0) {
+  if (TrySpin(Self) > 0) {
     assert(_owner == Self, "invariant");
     assert(_succ != Self, "invariant");
     assert(_Responsible != Self, "invariant");