函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\sched\completion.c Create Date:2022-07-27 10:41:55
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：mpletion_done - Test to see if a completion has any waiters*@x: completion structure* Return: 0 if there are waiters (wait_for_completion() in progress)* 1 if there are no waiters.* Note, this will always return true if complete_all() was called on @X.

函数原型：bool completion_done(struct completion *x)

返回类型：bool

参数：

类型参数名称
struct completion *x
317  如果非READ_ONCE(用于同步的原子量)则返回:false
325  spin_lock_irqsave( & lock, flags)
326  spin_unlock_irqrestore( & lock, flags)
327  返回:true
调用者
名称描述
__test_mutex
stop_machine_from_inactive_cpustop_machine_from_inactive_cpu - stop_machine() from inactive CPU*@fn: the function to run*@data: the data ptr for the @fn()*@cpus: the cpus to run the @fn() on (NULL = any online cpu)* This is identical to stop_machine() but can be called from a CPU which