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  1. JDK
  2. JDK-8148987

[Linux] Allow building on older systems without CPU_ALLOC support

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 9
    • Fix Version/s: 9
    • Component/s: hotspot
    • Labels:
      None
    • Subcomponent:
    • Introduced In Version:
      9
    • Resolved In Build:
      b108
    • OS:
      linux

      Description

      In JDK-6515172 code was added that allows for dynamic CPU_SET support for systems with > 1024 processors. While compiler/runtime support for this has been around for a few years now there is still some use of of older build platforms out in the broader OpenJDK community. This change will allow the CPU_ALLOC related code to be skipped if not supported at build time.

      This change will also allow for a almost* direct backport to JDK 8u, where the official build platforms also do not support this feature.

      * The logging statements will have to be changed or deleted.

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              Assignee:
              dholmes David Holmes
              Reporter:
              dholmes David Holmes
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                Created:
                Updated:
                Resolved: