函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\msr.c Create Date:2022-07-27 09:18:52
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：msr_device_create

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

返回类型：int

参数：

类型参数名称
unsigned intcpu
191  dev等于device_create(msr_class, NULL, MKDEV(MSR_MAJOR, cpu), NULL, "msr%d", cpu)
193  返回:PTR_ERR_OR_ZERO(dev)