Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\tree.c Create Date:2022-07-28 10:26:57
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:d_synchronize_rcu - Conditionally wait for an RCU grace period*@oldstate: return value from earlier call to get_state_synchronize_rcu()* If a full RCU grace period has elapsed since the earlier call to* get_state_synchronize_rcu(), just return

Proto:void cond_synchronize_rcu(unsigned long oldstate)

Type:void

Parameter:

TypeParameterName
unsigned longoldstate
2807  If Not Given a snapshot from rcu_seq_snap(), determine whether or not a* full update-side operation has occurred. Then synchronize_rcu - wait until a grace period has elapsed
2809  Else smp_mb()
Caller
NameDescribe
ring_buffer_attach