--- old/src/hotspot/os/bsd/os_bsd.cpp	2019-05-28 09:27:07.268639039 +0200
+++ new/src/hotspot/os/bsd/os_bsd.cpp	2019-05-28 09:27:06.732639058 +0200
@@ -3261,14 +3261,14 @@
 }
 
 #ifdef __APPLE__
-uint os::processor_id() {
-  static volatile int* volatile apic_to_cpu_mapping = NULL;
-  static volatile int next_cpu_id = 0;
+static volatile int* volatile apic_to_processor_mapping = NULL;
+static volatile int next_processor_id = 0;
 
-  volatile int* mapping = OrderAccess::load_acquire(&apic_to_cpu_mapping);
+static inline volatile int* get_apic_to_processor_mapping() {
+  volatile int* mapping = OrderAccess::load_acquire(&apic_to_processor_mapping);
   if (mapping == NULL) {
     // Calculate possible number space for APIC ids. This space is not necessarily
-    // in the range [0, number_of_cpus).
+    // in the range [0, number_of_processors).
     uint total_bits = 0;
     for (uint i = 0;; ++i) {
       uint eax = 0xb; // Query topology leaf
@@ -3295,12 +3295,18 @@
       mapping[i] = -1;
     }
 
-    if (!Atomic::replace_if_null(mapping, &apic_to_cpu_mapping)) {
+    if (!Atomic::replace_if_null(mapping, &apic_to_processor_mapping)) {
       FREE_C_HEAP_ARRAY(int, mapping);
-      mapping = OrderAccess::load_acquire(&apic_to_cpu_mapping);
+      mapping = OrderAccess::load_acquire(&apic_to_processor_mapping);
     }
   }
 
+  return mapping;
+}
+
+uint os::processor_id() {
+  volatile int* mapping = get_apic_to_processor_mapping();
+
   uint eax = 0xb;
   uint ebx;
   uint ecx = 0;
@@ -3312,16 +3318,16 @@
   // [0, num_processors) range.
 
   uint apic_id = edx;
-  int cpu_id = Atomic::load(&mapping[apic_id]);
+  int processor_id = Atomic::load(&mapping[apic_id]);
 
-  while (cpu_id < 0) {
+  while (processor_id < 0) {
     if (Atomic::cmpxchg(-2, &mapping[apic_id], -1)) {
-      Atomic::store(Atomic::add(1, &next_cpu_id) - 1, &mapping[apic_id]);
+      Atomic::store(Atomic::add(1, &next_processor_id) - 1, &mapping[apic_id]);
     }
-    cpu_id = Atomic::load(&mapping[apic_id]);
+    processor_id = Atomic::load(&mapping[apic_id]);
   }
 
-  return (uint)cpu_id;
+  return (uint)processor_id;
 }
 #endif