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:umwait_update_control_msr
Proto:static void umwait_update_control_msr(void *unused)
Type:void
Parameter:
Type | Parameter | Name |
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void * | unused |
41 | wrmsr(MSR_IA32_UMWAIT_CONTROL, READ_ONCE(Cache IA32_UMWAIT_CONTROL MSR. This is a systemwide control. By default,* umwait max time is 100000 in TSC-quanta and C0.2 is enabled), 0) |
Name | Describe |
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umwait_cpu_online | The CPU hotplug callback sets the control MSR to the global control* value |
umwait_syscore_resume | On resume, restore IA32_UMWAIT_CONTROL MSR on the boot processor which* is the only active CPU at this time |
Source code conversion tool public plug-in interface | X |
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