Function report |
Source Code:arch\x86\kernel\cpu\umwait.c |
Create Date:2022-07-28 07:56:47 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:The CPU hotplug callback sets the control MSR to the original control* value.
Proto:static int umwait_cpu_offline(unsigned int cpu)
Type:int
Parameter:
| Type | Parameter | Name |
|---|---|---|
| unsigned int | cpu |
| 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 | Return 0 |
| Source code conversion tool public plug-in interface | X |
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