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8160539: Stack frame scanning acquires DerivedPointerTableGC_lock mutex

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Use lock-free stack for accumulating table entries.

Reviewed-by: tschatzl, kvn
This commit is contained in:
Kim Barrett 2019-05-16 20:14:54 -04:00
parent 989fa190a6
commit 4af7663979
4 changed files with 43 additions and 43 deletions
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src/hotspot/share/runtime/mutexLocker.hpp
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@ -66,7 +66,6 @@ extern Monitor* CodeCache_lock; // a lock on the CodeCache, ran
extern Mutex* MethodData_lock; // a lock on installation of method data
extern Mutex* TouchedMethodLog_lock; // a lock on allocation of LogExecutedMethods info
extern Mutex* RetData_lock; // a lock on installation of RetData inside method data
extern Mutex* DerivedPointerTableGC_lock; // a lock to protect the derived pointer table
extern Monitor* CGCPhaseManager_lock; // a lock to protect a concurrent GC's phase management
extern Monitor* VMOperationQueue_lock; // a lock on queue of vm_operations waiting to execute
extern Monitor* VMOperationRequest_lock; // a lock on Threads waiting for a vm_operation to terminate