函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\include\asm\fpu\internal.h Create Date:2022-07-27 08:28:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：FPU related CPU feature flag helper routines:

函数原型：static __always_inline __pure bool use_xsaveopt(void)

返回类型：bool

参数：无

63  返回:static_cpu_has(XSAVEOPT instruction )
调用者
名称描述
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