Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8233061

ZGC: Enforce memory ordering in segmented bit maps

    XMLWordPrintable

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 14
    • Fix Version/s: 14
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
      gc
    • Resolved In Build:
      b23

      Description

      In ZGC, bitmaps are lazily cleared in a segmented fashion. In this scheme, liveness is determined by looking at a counter, a segment bit map and finally the flat bit map structure. The accesses for the various stages need to be ordered properly.

        Attachments

          Activity

            People

            Assignee:
            eosterlund Erik Ă–sterlund
            Reporter:
            eosterlund Erik Ă–sterlund
            Votes:
            0 Vote for this issue
            Watchers:
            1 Start watching this issue

              Dates

              Created:
              Updated:
              Resolved: