Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\fpu\xstate.c Create Date:2022-07-28 07:50:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:We enabled the XSAVE hardware, but something went wrong and* we can not use it. Disable it.

Proto:static void fpu__init_disable_system_xstate(void)

Type:void

Parameter:Nothing

707  Mask of xstate features supported by the CPU and the kernel: = 0
708  Clear in this cpu's CR4.
709  setup_clear_cpu_cap(XSAVE/XRSTOR/XSETBV/XGETBV instructions )
Caller
NameDescribe
fpu__init_system_xstateEnable and initialize the xsave feature.* Called once per system bootup.