Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\tree_exp.h Create Date:2022-07-28 10:28:16
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:Like sync_rcu_preempt_exp_done(), but this function assumes the caller* doesn't hold the rcu_node's ->lock, and will acquire and release the lock* itself

Proto:static bool sync_rcu_preempt_exp_done_unlocked(struct rcu_node *rnp)

Type:bool

Parameter:

TypeParameterName
struct rcu_node *rnp
169  raw_spin_lock_irqsave_rcu_node(rnp, flags)
170  ret = Return non-zero if there is no RCU expedited grace period in progress* for the specified rcu_node structure, in other words, if all CPUs and* tasks covered by the specified rcu_node structure have done their bit* for the current expedited grace period
171  raw_spin_unlock_irqrestore_rcu_node(rnp, flags)
173  Return ret