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UCM/UCS: Fail to create memtype cache if cannot patch Cuda driver API #7865

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Commits on Feb 3, 2022

  1. UCM/UCS: Fail to create memtype cache if cannot patch Cuda driver API

    - Reloc hooks are optional but are not the default. Default is bistro
      hooks on Cuda driver API.
    - If UCM fails to install the configured hooks, do not create the memory
      type cache.
    - If failed to create memtype cache once, don't try again.
    - Use getauxv() API if possible instead of reading /proc/self/auxv
      directly - fixes permissions errors on some systems.
    - Enable Cuda bistro hooks also with valgrind, since it doesn't affect
      heap memory allocations.
    - Fix error message in tests.
    yosefe committed Feb 3, 2022
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