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8213723: More Monitor/mutex initialization management

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8213893: StringTable_lock is unused

Reviewed-by: tschatzl, dcubed, coleenp
This commit is contained in:
David Holmes 2018-11-15 17:55:41 -05:00
parent 6b0d1af7fa
commit 5e0ae53450
12 changed files with 49 additions and 14 deletions
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10
src/hotspot/share/runtime/mutexLocker.cpp
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@ -64,7 +64,6 @@ Mutex* AdapterHandlerLibrary_lock = NULL;
Mutex* SignatureHandlerLibrary_lock = NULL;
Mutex* VtableStubs_lock = NULL;
Mutex* SymbolArena_lock = NULL;
Mutex* StringTable_lock = NULL;
Monitor* StringDedupQueue_lock = NULL;
Mutex* StringDedupTable_lock = NULL;
Monitor* CodeCache_lock = NULL;
@ -148,9 +147,12 @@ Monitor* CodeHeapStateAnalytics_lock = NULL;
Mutex* MetaspaceExpand_lock = NULL;
Mutex* ClassLoaderDataGraph_lock = NULL;
Monitor* ThreadsSMRDelete_lock = NULL;
Monitor* ThreadsSMRDelete_lock = NULL;
Mutex* SharedDecoder_lock = NULL;
Mutex* DCmdFactory_lock = NULL;
#if INCLUDE_NMT
Mutex* NMTQuery_lock = NULL;
#endif
#define MAX_NUM_MUTEX 128
static Monitor * _mutex_array[MAX_NUM_MUTEX];
@ -255,7 +257,6 @@ void mutex_init() {
def(JNIHandleBlockFreeList_lock , PaddedMutex , leaf-1, true, Monitor::_safepoint_check_never); // handles are used by VM thread
def(SignatureHandlerLibrary_lock , PaddedMutex , leaf, false, Monitor::_safepoint_check_always);
def(SymbolArena_lock , PaddedMutex , leaf+2, true, Monitor::_safepoint_check_never);
def(StringTable_lock , PaddedMutex , leaf, true, Monitor::_safepoint_check_always);
def(ProfilePrint_lock , PaddedMutex , leaf, false, Monitor::_safepoint_check_always); // serial profile printing
def(ExceptionCache_lock , PaddedMutex , leaf, false, Monitor::_safepoint_check_always); // serial profile printing
def(OsrList_lock , PaddedMutex , leaf, true, Monitor::_safepoint_check_never);
@ -335,6 +336,9 @@ void mutex_init() {
def(ThreadsSMRDelete_lock , PaddedMonitor, special, false, Monitor::_safepoint_check_never);
def(SharedDecoder_lock , PaddedMutex , native, false, Monitor::_safepoint_check_never);
def(DCmdFactory_lock , PaddedMutex , leaf, true, Monitor::_safepoint_check_never);
#if INCLUDE_NMT
def(NMTQuery_lock , PaddedMutex , max_nonleaf, false, Monitor::_safepoint_check_always);
#endif
}
GCMutexLocker::GCMutexLocker(Monitor * mutex) {