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 07:29:28
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:Save xstate to user space xsave area.* We don't use modified optimization because xrstor/xrstors might track* a different application.* We don't use compacted format xsave area for* backward compatibility for old applications which don't understand

Proto:static inline int copy_xregs_to_user(struct xregs_state __user *buf)

Type:int

Parameter:

TypeParameterName
struct xregs_state __user *buf
364  err = Zero a block of memory in user space, with less checking
365  If Value for the false possibility is greater at compile time(err) Then Return -EFAULT
368  stac()
369  XSTATE_OP(These macros all use (%edi)/(%rdi) as the single memory argument. , buf, - 1, - 1, err)
370  clac()
372  Return err
Caller
NameDescribe
copy_fpregs_to_sigframe