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(0.37) Refactor VirtualThread synchronization design #17094

Merged
merged 6 commits into from
Apr 3, 2023
Merged

(0.37) Refactor VirtualThread synchronization design #17094

merged 6 commits into from
Apr 3, 2023

Commits on Apr 3, 2023

  1. Remove liveVirtualThreadListMutex 

    - Refactor jitReleaseCodeStackWalk to use GC Continuation list
- Refactor vthread sync to EVMA for global vthread access
- Include no spin option for acquireVThreadInspector

Signed-off-by: Jack Lu <Jack.S.Lu@ibm.com>
    @fengxue-IS
    fengxue-IS committed Apr 3, 2023
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  2. Fix vthread suspend order to avoid dispatching mount hook for suspend… 

    …ed thread

Signed-off-by: Jack Lu <Jack.S.Lu@ibm.com>
    @fengxue-IS
    fengxue-IS committed Apr 3, 2023
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  3. Change GC continuation list option default to enable 

    Signed-off-by: Jack Lu <Jack.S.Lu@ibm.com>
    @fengxue-IS
    fengxue-IS committed Apr 3, 2023
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  4. Forces cache flush before walking Continuation list 

    Signed-off-by: Jack Lu <Jack.S.Lu@ibm.com>
    @fengxue-IS
    fengxue-IS committed Apr 3, 2023
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  5. Refactor freeContinuation assert 

    Continuation must be unmounted/not being scanned when free.

Signed-off-by: Jack Lu <Jack.S.Lu@ibm.com>
    @fengxue-IS
    fengxue-IS committed Apr 3, 2023
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  6. Correctly ifdef Java19 code 

    Signed-off-by: Jack Lu <Jack.S.Lu@ibm.com>
    @fengxue-IS
    fengxue-IS committed Apr 3, 2023
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