函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\padata.c Create Date:2022-07-27 15:09:23
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：padata_set_cpumask: Sets specified by @cpumask_type cpumask to the value* equivalent to @cpumask

函数原型：int padata_set_cpumask(struct padata_instance *pinst, int cpumask_type, cpumask_var_t cpumask)

返回类型：int

参数：

类型参数名称
struct padata_instance *pinst
intcpumask_type
cpumask_var_tcpumask
644  err等于负EINVAL
646  mutex_lock( & lock)
647  get_online_cpus()
650  当:cpumask_type恒等于PADATA_CPU_PARALLEL
651  serial_mask等于cbcpu
652  parallel_mask等于cpumask
653  退出
654  当:cpumask_type恒等于PADATA_CPU_SERIAL
655  parallel_mask等于pcpu
656  serial_mask等于cpumask
657  退出
658  默认
659  转到:out
662  err等于__padata_set_cpumasks(pinst, parallel_mask, serial_mask)
664  out :
665  put_online_cpus()
666  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
668  返回:err
调用者
名称描述
store_cpumask