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CONFIG_PROVE_RCU_DELAY: RCU debugging: preemptible RCU race provocation

General informations

The Linux kernel configuration item CONFIG_PROVE_RCU_DELAY:

Help text

There is a class of races that involve an unlikely preemption of __rcu_read_unlock() just after ->rcu_read_lock_nesting has been set to INT_MIN. This feature inserts a delay at that point to increase the probability of these races.

Say Y to increase probability of preemption of __rcu_read_unlock().

Say N if you are unsure.



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