maxcpus kernel parameter is not working as expected

Solution In Progress - Updated -

Issue

  • The maxcpus kernel boot parameter is not working as expected because all CPUs are active once system is booted.

Environment

  • Red Hat Enterprise Linux 7
    • systemd-208-20.el7 (or later)
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9 (Beta)

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