函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\fpu\xstate.c Create Date:2022-07-27 08:50:38
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：xfeature_is_supervisor

函数原型：static int xfeature_is_supervisor(int xfeature_nr)

返回类型：int

参数：

类型参数名称
intxfeature_nr
122  Some CPUID calls want 'count' to be placed in ecx
123  返回:非非ecx按位与1的值
调用者
名称描述
xfeature_is_user
do_extra_xstate_size_checksThis essentially double-checks what the cpu told us about* how large the XSAVE buffer needs to be. We are recalculating* it to be safe.