函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpu\umwait.c Create Date:2022-07-27 08:57:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:The CPU hotplug callback sets the control MSR to the original control* value.

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

返回类型:int

参数:

类型参数名称
unsigned intcpu
79  wrmsr(MSR_IA32_UMWAIT_CONTROL, Cache the original IA32_UMWAIT_CONTROL MSR value which is configured by* hardware or BIOS before kernel boot., 0)
81  返回:0