src/os/windows/vm/os_windows.cpp

*** 3518,3528 ****
    return os::YIELD_UNKNOWN ;
  }
  
  void os::yield() {  os::NakedYield(); }
  
! void os::yield_all(int attempts) {
    // Yields to all threads, including threads with lower priorities
    Sleep(1);
  }
  
  // Win32 only gives you access to seven real priorities at a time,
--- 3518,3528 ----
    return os::YIELD_UNKNOWN ;
  }
  
  void os::yield() {  os::NakedYield(); }
  
! void os::yield_all() {
    // Yields to all threads, including threads with lower priorities
    Sleep(1);
  }
  
  // Win32 only gives you access to seven real priorities at a time,
*** 3864,3879 ****
  
    win32::initialize_system_info();
    win32::setmode_streams();
    init_page_sizes((size_t) win32::vm_page_size());
  
-   // For better scalability on MP systems (must be called after initialize_system_info)
- #ifndef PRODUCT
-   if (is_MP()) {
-     NoYieldsInMicrolock = true;
-   }
- #endif
    // This may be overridden later when argument processing is done.
    FLAG_SET_ERGO(bool, UseLargePagesIndividualAllocation,
      os::win32::is_windows_2003());
  
    // Initialize main_process and main_thread
--- 3864,3873 ----