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  1. WiredTiger
  2. WT-3173

Add runtime detection for s390x CRC32 hardware support

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • 3.4.2, 3.5.2
    • WT2.9.2, 3.2.13, 3.4.3, 3.5.4
    • None
    • None
    • 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

              mark.benvenuto@mongodb.com Mark Benvenuto
              mark.benvenuto@mongodb.com Mark Benvenuto
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              Dates

                Created:
                Updated:
                Resolved: