函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\tree.c Create Date:2022-07-27 11:27:16
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称: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

函数原型:void cond_synchronize_rcu(unsigned long oldstate)

返回类型:void

参数:

类型参数名称
unsigned longoldstate
2807  如果非Given a snapshot from rcu_seq_snap(), determine whether or not a* full update-side operation has occurred.synchronize_rcu - wait until a grace period has elapsed
2809  否则smp_mb()
调用者
名称描述
ring_buffer_attach