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8237143: Eliminate DirtyCardQ_cbl_mon

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Replace locked data structures with lock-free data structures.

Reviewed-by: tschatzl, sangheki
This commit is contained in:
Kim Barrett 2020-02-06 19:09:07 -05:00
parent e37a6aed88
commit ccbd819a01
10 changed files with 569 additions and 198 deletions
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2
src/hotspot/share/runtime/mutexLocker.hpp
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@ -69,8 +69,6 @@ extern Monitor* CGC_lock; // used for coordination betwee
extern Monitor* STS_lock; // used for joining/leaving SuspendibleThreadSet.
extern Monitor* FullGCCount_lock; // in support of "concurrent" full gc
extern Monitor* G1OldGCCount_lock; // in support of "concurrent" full gc
extern Monitor* DirtyCardQ_CBL_mon; // Protects dirty card Q
// completed buffer queue.
extern Mutex* Shared_DirtyCardQ_lock; // Lock protecting dirty card
// queue shared by
// non-Java threads.