Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

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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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 )
Caller
NameDescribe
fpstate_sanitize_xstateWhen 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