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 08:28:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Restore processor xstate from xsave area.

函数原型：static inline void copy_kernel_to_xregs(struct xregs_state *xstate, u64 mask)

返回类型：void

参数：

类型参数名称
struct xregs_state *xstate
u64mask
340  lmask等于mask
341  hmask等于mask右移32位
343  Use XRSTORS to restore context if it is enabled. XRSTORS supports compact* XSAVE area format.(xstate, lmask, hmask)
调用者
名称描述
copy_init_fpstate_to_fpregsClear FPU registers by setting them up from* the init fpstate:
copy_user_to_fpregs_zeroingRestore the extended state if present. Otherwise, restore the FP/SSE state.
__fpu__restore_sig
__copy_kernel_to_fpregs