src/os/aix/vm/os_aix.cpp

@@ -2810,17 +2810,10 @@
   sched_yield();
 }
 
 os::YieldResult os::NakedYield() { sched_yield(); return os::YIELD_UNKNOWN; }
 
-void os::yield_all() {
-  // Yields to all threads, including threads with lower priorities
-  // Threads on Linux are all with same priority. The Solaris style
-  // os::yield_all() with nanosleep(1ms) is not necessary.
-  sched_yield();
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // thread priority support
 
 // From AIX manpage to pthread_setschedparam
 // (see: http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp?

@@ -3073,11 +3066,11 @@
 
   // managed to send the signal and switch to SUSPEND_REQUEST, now wait for SUSPENDED
 
   for (int n = 0; !osthread->sr.is_suspended(); n++) {
     for (int i = 0; i < RANDOMLY_LARGE_INTEGER2 && !osthread->sr.is_suspended(); i++) {
-      os::yield_all();
+      os::yield();
     }
 
     // timeout, try to cancel the request
     if (n >= RANDOMLY_LARGE_INTEGER) {
       os::SuspendResume::State cancelled = osthread->sr.cancel_suspend();

@@ -3107,11 +3100,11 @@
 
   while (!osthread->sr.is_running()) {
     if (sr_notify(osthread) == 0) {
       for (int n = 0; n < RANDOMLY_LARGE_INTEGER && !osthread->sr.is_running(); n++) {
         for (int i = 0; i < 100 && !osthread->sr.is_running(); i++) {
-          os::yield_all();
+          os::yield();
         }
       }
     } else {
       ShouldNotReachHere();
     }