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
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name: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

Proto:static bool sync_rcu_preempt_exp_done(struct rcu_node *rnp)

Type:bool

Parameter:

TypeParameterName
struct rcu_node *rnp
153  raw_lockdep_assert_held_rcu_node(rnp)
155  Return s no such task. == NULL && READ_ONCE(CPUs or groups that need to check in ) == 0