Function report | 
Source Code:arch\x86\include\asm\fpu\internal.h | 
Create Date:2022-07-28 07:29:22 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
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| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:FPU related CPU feature flag helper routines:
Proto:static __always_inline __pure bool use_xsaveopt(void)
Type:bool
Parameter:Nothing
| 63 | Return static_cpu_has(XSAVEOPT instruction ) | 
| Name | Describe | 
|---|---|
| fpstate_sanitize_xstate | When executing XSAVEOPT (or other optimized XSAVE instructions), if* a processor implementation detects that an FPU state component is still* (or is again) in its initialized state, it may clear the corresponding* bit in the header | 
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