函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\cpumask.h Create Date:2022-07-27 06:38:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：从用户串中提取CPU信息

函数原型：static inline int cpumask_parse_user(const char __user *buf, int len, struct cpumask *dstp)

返回类型：int

参数：

类型参数名称
const char __user *buf
intlen
struct cpumask *dstp
639  返回:bitmap_parse_user(buf, len, cpumask_bits - get the bits in a cpumask*@maskp: the struct cpumask ** You should only assume nr_cpu_ids bits of this mask are valid. This is* a macro so it's const-correct.(dstp), nr_cpumask_bits)
调用者
名称描述
prof_cpu_mask_proc_write
tracing_cpumask_write