tune os::is_MP() test for atomic operations on linux-amd64

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P4
    • 6
    • Affects Version/s: 6
    • Component/s: hotspot
    • b63
    • x86
    • linux

      atomic_linux_amd64.inline.hpp should use LOCK_IF_MP, just like
      atomic_linux_i486.inline.hpp does.

            Assignee:
            Paul Hohensee
            Reporter:
            Paul Hohensee
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