函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\include\asm\tlbflush.h Create Date:2022-07-27 06:54:32
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Clear in this cpu's CR4.

函数原型：static inline void cr4_clear_bits(unsigned long mask)

返回类型：void

参数：

类型参数名称
unsigned longmask
327  local_irq_save(flags)
328  Clear in this cpu's CR4.
329  local_irq_restore(flags)
调用者
名称描述
enable_TSC
fpu__init_disable_system_xstateWe enabled the XSAVE hardware, but something went wrong and* we can not use it. Disable it.
setup_smap
setup_umip
cpu_initpu_init() initializes state that is per-CPU. Some data is already* initialized (naturally) in the bootstrap process, such as the GDT* and IDT. We reload them nevertheless, this function acts as a* 'CPU state barrier', nothing should get across.
cpu_vmxoffDisable VMX on the current CPU* vmxoff causes a undefined-opcode exception if vmxon was not run* on the CPU previously. Only call this function if you know VMX* is enabled.