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  1. JDK
  2. JDK-8232747

Shenandoah: Concurrent GC should deactivate SATB before processing weak roots

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 8-shenandoah, 11-shenandoah, 14
    • Fix Version/s: 14
    • Component/s: hotspot
    • Subcomponent:
      gc
    • Resolved In Build:
      b20

      Description

      Weak processor has load barriers on this code paths. We need to deactivate SATB barrier before entering weak root processing. Just as JDK-8231999 did for traversal GC.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8231999 Shenandoah: Traversal failed compiler/jsr292/CallSiteDepContextTest.java

          • P3 - Major loss of function.
          • Resolved

          Enhancement - null JDK-8234399 Shenandoah: Cleanup native load barrier

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

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              • Assignee:
                zgu Zhengyu Gu
                Reporter:
                zgu Zhengyu Gu
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                Dates

                • Created:
                  Updated:
                  Resolved: