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  1. WiredTiger
  2. WT-3173

Add runtime detection for s390x CRC32 hardware support

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: 3.4.2, 3.5.2
    • Fix Version/s: WT2.9.2, 3.2.13, 3.4.3, 3.5.4
    • Component/s: None
    • Labels:
      None
    • Sprint:
      Platforms 2017-02-13

      Description

      The CRC32 hardware support for s390x is only available on z13 processors and later and require a Linux kernel version which support the vector extensions. Runtime detection can be accomplished by querying auxv for the HW_CAP of HWCAP_S390_VX.

        Attachments

          Issue Links

          is depended on by

          Task - A task that needs to be done. SERVER-28007 Re-enable support for CRC32 hardware acceleration on s390x

          • Major - P3 - Major loss of function.
          • Closed
          is related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-27963 Disable CRC32 hardware support on s390x builders

          • Major - P3 - Major loss of function.
          • Closed

            Activity

              People

              • Assignee:
                mark.benvenuto Mark Benvenuto
                Reporter:
                mark.benvenuto Mark Benvenuto
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                Dates

                • Created:
                  Updated:
                  Resolved: