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
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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  :cpumask_type恒等于PADATA_CPU_PARALLEL
651  serial_mask等于cbcpu
652  parallel_mask等于cpumask
653  退出
654  :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