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  1. JDK
  2. JDK-8212107

VMThread issues and cleanup

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    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 12
    • Fix Version/s: 16
    • Component/s: hotspot
    • Subcomponent:
    • Resolved In Build:
      b18

      Description

      The VM thread code a few issue:
      - It can create an extra safepoint directly after a safepoint.
      - It's not safe for a non-JavaThread to add safepoint to queue while GC do oops do.
      - The exposure of the vm operation is dangerous if it's a handshake.
      - The code is a hornets nest with the repetition of checks and branches

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              Assignee:
              rehn Robbin Ehn
              Reporter:
              rehn Robbin Ehn
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                Updated:
                Resolved: