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RULE = always ((RT and SLEEP) imply (RT_FRIENDLY_SLEEP or ALLOWLIST))
RT_FRIENDLY_SLEEP = (RT_VALID_SLEEP_REASON or KERNEL_THREAD)
and ((not WAKE) until RT_FRIENDLY_WAKE)
RT_VALID_SLEEP_REASON = FUTEX_WAIT
or RT_FRIENDLY_NANOSLEEP
RT_FRIENDLY_NANOSLEEP = CLOCK_NANOSLEEP
and NANOSLEEP_TIMER_ABSTIME
and (NANOSLEEP_CLOCK_MONOTONIC or NANOSLEEP_CLOCK_TAI)
RT_FRIENDLY_WAKE = WOKEN_BY_EQUAL_OR_HIGHER_PRIO
or WOKEN_BY_HARDIRQ
or WOKEN_BY_NMI
or ABORT_SLEEP
or KTHREAD_SHOULD_STOP
ALLOWLIST = BLOCK_ON_RT_MUTEX
or FUTEX_LOCK_PI
or TASK_IS_RCU
or TASK_IS_MIGRATION
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