Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\lib\mmx_32.c Create Date:2022-07-28 07:26:02
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:fast_copy_page

Proto:static void fast_copy_page(void *to, void *from)

Type:void

Parameter:

TypeParameterName
void *to
void *from
285  Use kernel_fpu_begin/end() if you intend to use FPU in kernel context. It* disables preemption so be careful if you intend to use it for long periods* of time.* If you intend to use the FPU in softirq you need to check first with
287  __asm__ __volatile__
300  When i < 4096 / 64 cycle
301  __asm__ __volatile__
326  from += 64
327  to += 64
329  kernel_fpu_end()
Caller
NameDescribe
mmx_copy_page