Merge tag 'trace-rv-v7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull runtime verifier updates from Steven Rostedt:

 - Improve lockdep annotation for reactors

   Reactors are not supposed to take locks, so they fit the LD_WAIT_FREE
   lockdep class. However, reactors may run in preemptible context and
   if the preempting code (tick or simply the scheduler) takes locks, we
   see a lockdep splat. Switch to LD_WAIT_SPIN to avoid the splat while
   documenting that reactors should still not take locks.

 - Add KUnit tests for reactors

   Add KUnit test cases to validate registration and reaction, this
   requires exporting some symbols and other minor fixes.

 - Use the right rv_this variable in the wakeup monitor

   LTL monitors were updated to use the generic rv_this static variable
   but this change wasn't propagated to the newly introduced wakeup
   monitor. This broke reactors for the monitor: update the it.

* tag 'trace-rv-v7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  rv/rtapp/wakeup: Use "rv_this" the rv_monitor variable
  rv: Add KUnit tests for reactor registration and dispatch
  rv: Export rv_register_reactor() and rv_unregister_reactor()
  rv: Propagate rv_register_reactor() error from reactor init
  rv: Use LD_WAIT_SPIN as the reactor lockdep wait type

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