Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8255991

Shenandoah: Apply 'weak' LRB on cmpxchg and xchg

    XMLWordPrintable

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 15, 16
    • Fix Version/s: 16
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
      gc
    • Resolved In Build:
      b24
    • CPU:
      generic
    • OS:
      generic

      Description

      It is possible to access a Reference's referent by using various cmpxchg and xchg intrinsics. When that happens, we need to apply the weak LRB to prevent resurrection.

        Attachments

          Issue Links

            Activity

              People

              Assignee:
              rkennke Roman Kennke
              Reporter:
              rkennke Roman Kennke
              Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: