函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpuid.c Create Date:2022-07-27 09:19:10
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：cpuid_device_create

函数原型：static int cpuid_device_create(unsigned int cpu)

返回类型：int

参数：

类型参数名称
unsigned intcpu
132  dev等于device_create(cpuid_class, NULL, MKDEV(CPUID_MAJOR, cpu), NULL, "cpu%d", cpu)
134  返回:PTR_ERR_OR_ZERO(dev)