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 11:25:30
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:Compute the mask of online CPUs for the specified rcu_node structure.* This will not be stable unless the rcu_node structure's ->lock is* held, but the bit corresponding to the current CPU will be stable* in most contexts.

函数原型:unsigned long rcu_rnp_online_cpus(struct rcu_node *rnp)

返回类型:unsigned long

参数:

类型参数名称
struct rcu_node *rnp
193  返回:READ_ONCE(ginning of each grace period. )
调用者
名称描述
rcu_implicit_dynticks_qsReturn true if the specified CPU has passed through a quiescent* state by virtue of being in or having passed through an dynticks* idle state since the last call to dyntick_save_progress_counter()* for this same CPU, or by virtue of having been offline.