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 07:29:26
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:This function is called only during boot time when x86 caps are not set* up and alternative can not be used yet.

Proto:static inline void copy_kernel_to_xregs_booting(struct xregs_state *xstate)

Type:void

Parameter:

TypeParameterName
struct xregs_state *xstate
298  mask = -1
299  lmask = mask
300  hmask = mask >> 32
303  WARN_ON(Values used for system_state. Ordering of the states must not be changed* as code checks for <, <=, >, >= STATE. != SYSTEM_BOOTING)
305  If boot_cpu_has(XSAVES/XRSTORS instructions ) Then XSTATE_OP(XRSTORS, xstate, lmask, hmask, err)
307  Else XSTATE_OP(XRSTOR, xstate, lmask, hmask, err)
314  WARN_ON_FPU(err)
Caller
NameDescribe
setup_init_fpu_bufsetup the xstate image representing the init state