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8212107: VMThread issues and cleanup

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Reviewed-by: shade, dcubed, coleenp, dholmes, redestad
This commit is contained in:
Robbin Ehn 2020-09-29 09:37:15 +00:00
parent 6bddeb709d
commit 431338bcb3
8 changed files with 236 additions and 349 deletions
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6
src/hotspot/share/runtime/mutexLocker.cpp
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@ -65,8 +65,7 @@ Monitor* CodeSweeper_lock = NULL;
Mutex* MethodData_lock = NULL;
Mutex* TouchedMethodLog_lock = NULL;
Mutex* RetData_lock = NULL;
Monitor* VMOperationQueue_lock = NULL;
Monitor* VMOperationRequest_lock = NULL;
Monitor* VMOperation_lock = NULL;
Monitor* Threads_lock = NULL;
Mutex* NonJavaThreadsList_lock = NULL;
Mutex* NonJavaThreadsListSync_lock = NULL;
@ -280,8 +279,7 @@ void mutex_init() {
def(NonJavaThreadsList_lock , PaddedMutex, barrier, true, _safepoint_check_never);
def(NonJavaThreadsListSync_lock , PaddedMutex, leaf, true, _safepoint_check_never);
def(VMOperationQueue_lock , PaddedMonitor, nonleaf, true, _safepoint_check_never); // VM_thread allowed to block on these
def(VMOperationRequest_lock , PaddedMonitor, nonleaf, true, _safepoint_check_always);
def(VMOperation_lock , PaddedMonitor, nonleaf, true, _safepoint_check_always); // VM_thread allowed to block on these
def(RetData_lock , PaddedMutex , nonleaf, false, _safepoint_check_always);
def(Terminator_lock , PaddedMonitor, nonleaf, true, _safepoint_check_always);
def(InitCompleted_lock , PaddedMonitor, leaf, true, _safepoint_check_never);