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8185278: TestGreyReclaimedHumongousObjects.java fails guarantee(index != trim_index(_head_index + 1)) failed: should not go past head

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Add STS to avoid MMU concurrency problem between VM Thread and Concurrent Mark Thread

Reviewed-by: tschatzl, ehelin
This commit is contained in:
Sangheon Kim 2017-10-26 21:30:48 -07:00
parent 3a205924e4
commit 4101ba9a13
6 changed files with 33 additions and 19 deletions
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2
src/hotspot/share/runtime/mutexLocker.cpp
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@ -116,7 +116,6 @@ Mutex* FreeList_lock = NULL;
Monitor* SecondaryFreeList_lock = NULL;
Mutex* OldSets_lock = NULL;
Monitor* RootRegionScan_lock = NULL;
Mutex* MMUTracker_lock = NULL;
Monitor* GCTaskManager_lock = NULL;
@ -193,7 +192,6 @@ void mutex_init() {
def(SecondaryFreeList_lock , PaddedMonitor, leaf , true, Monitor::_safepoint_check_never);
def(OldSets_lock , PaddedMutex , leaf , true, Monitor::_safepoint_check_never);
def(RootRegionScan_lock , PaddedMonitor, leaf , true, Monitor::_safepoint_check_never);
def(MMUTracker_lock , PaddedMutex , leaf , true, Monitor::_safepoint_check_never);
def(StringDedupQueue_lock , PaddedMonitor, leaf, true, Monitor::_safepoint_check_never);
def(StringDedupTable_lock , PaddedMutex , leaf, true, Monitor::_safepoint_check_never);