Function report |
Source Code:arch\x86\kernel\cpu\umwait.c |
Create Date:2022-07-28 07:56:48 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:umwait_update_control
Proto:static inline void umwait_update_control(unsigned int maxtime, bool c02_enable)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
unsigned int | maxtime | |
bool | c02_enable |
121 | ctrl = maxtime & The time field is bit[31:2], but representing a 32bit value with* bit[1:0] zero. |
123 | If Not c02_enable Then ctrl |= MSR_IA32_UMWAIT_CONTROL_C02_DISABLE |
126 | WRITE_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, ctrl) |
Name | Describe |
---|---|
enable_c02_store | |
max_time_store |
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