函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\cpu\common.c Create Date:2022-07-27 08:55:50
Last Modify:2020-03-16 20:28:31 Copyright©Brick
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函数名称：tss_setup_io_bitmap

函数原型：static inline void tss_setup_io_bitmap(struct tss_struct *tss)

返回类型：void

参数：

类型参数名称
struct tss_struct *tss
1835  io_bitmap_base等于Base offset outside of TSS_LIMIT so unpriviledged IO causes #GP
调用者
名称描述
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.