Why is UDS and/or KVDO tainting the kernel?

Solution Unverified - Updated -

Issue

  • Why is the kernel tainted?
  • When a VDO volume is started, the kernel is tainted.
  • Why does the uds kernel module taint the kernel?
  • Why does the kvdo kernel module taint the kernel?
  • What does the O flag mean when the kernel is tainted?

Environment

  • Red Hat Enterprise Linux 7.5+

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