How to disable sys-kernel-debug? / How to permanently disable /sys/kernel/debug mount?

Solution Verified - Updated -

Issue

  • systemctl disable sys-kernel-debug.mount is not working.
  • /sys/kernel/debug is always mounted after boot.
  • systemctl mask sys-kernel-debug.mount will render systemctl start sys-kernel-debug.mount non-functional in case debugfs is required.

Environment

  • Red Hat Enterprise Linux 7.x

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