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 11:27:15
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：get_state_synchronize_rcu - Snapshot current RCU state* Returns a cookie that is used by a later call to cond_synchronize_rcu()* to determine whether or not a full grace period has elapsed in the* meantime.

函数原型：unsigned long get_state_synchronize_rcu(void)

返回类型：unsigned long

参数：无

2786  smp_mb()
2787  返回:_seq_snap - Take a snapshot of the update side's sequence number.* This function returns the earliest value of the grace-period sequence number* that will indicate that a full grace period has elapsed since the current* time
调用者
名称描述
ring_buffer_attach