--- old/src/share/vm/runtime/vm_version.hpp 2016-04-01 00:36:14.000000000 +0300 +++ new/src/share/vm/runtime/vm_version.hpp 2016-04-01 00:36:14.000000000 +0300 @@ -162,6 +162,9 @@ // Calculates and returns the number of parallel threads. May // be VM version specific. static unsigned int calc_parallel_worker_threads(); + + // Does this CPU support spin wait instruction? + static bool supports_on_spin_wait() { return false; } }; #ifdef TARGET_ARCH_x86