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  1. JDK
  2. JDK-8261504

Shenandoah: reconsider ShenandoahJavaThreadsIterator::claim memory ordering

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    • Subcomponent:
      gc
    • Resolved In Build:
      b10

      Description

      JDK-8256298 added the thread iterator for thread roots, and I don't think we need the Hotspot's default memory_order_conservative, which emits two-way memory fences around the CASes at least on AArch64 and PPC64. The simple "relaxed" should do.

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          Enhancement - null JDK-8256298 Shenandoah: Enable concurrent stack processing

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
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          Commit Commit openjdk/jdk/df0897ea

          Review Review openjdk/jdk/2506

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              Assignee:
              shade Aleksey Shipilev
              Reporter:
              shade Aleksey Shipilev
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