src/share/vm/oops/instanceKlass.cpp

rev 6867 : 8061817: Whitebox.deoptimizeMethod() does not deoptimize all OSR versions of method
Summary: Fixed Whitebox.deoptimizeMethod() to deoptimize all OSR versions of the method.
Reviewed-by: kvn, iignatyev

*** 2888,2897 ****
--- 2888,2913 ----
    }
    // Remember to unlock again
    OsrList_lock->unlock();
  }
  
+ int InstanceKlass::mark_osr_nmethods(const Method* m) {
+   // This is a short non-blocking critical region, so the no safepoint check is ok.
+   MutexLockerEx ml(OsrList_lock, Mutex::_no_safepoint_check_flag);
+   nmethod* osr = osr_nmethods_head();
+   int found = 0;
+   while (osr != NULL) {
+     assert(osr->is_osr_method(), "wrong kind of nmethod found in chain");
+     if (osr->method() == m) {
+       osr->mark_for_deoptimization();
+       found++;
+     }
+     osr = osr->osr_link();
+   }
+   return found;
+ }
+ 
  nmethod* InstanceKlass::lookup_osr_nmethod(const Method* m, int bci, int comp_level, bool match_level) const {
    // This is a short non-blocking critical region, so the no safepoint check is ok.
    OsrList_lock->lock_without_safepoint_check();
    nmethod* osr = osr_nmethods_head();
    nmethod* best = NULL;