函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\traps.c Create Date:2022-07-27 08:31:25
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：do_device_not_available

函数原型：__attribute__((__externally_visible__)) void do_device_not_available(struct pt_regs *regs, long error_code)

返回类型：void

参数：

类型参数名称
struct pt_regs *regs
longerror_code
884  cr0等于read_cr0()
886  RCU_LOCKDEP_WARN(!_is_watching - see if RCU thinks that the current CPU is not idle* Return true if RCU is watching the running CPU, which means that this* CPU can safely enter RCU read-side critical sections, "entry code didn't wake RCU")
901  如果WARN(cr0 & X86_CR0_TS, "CR0.TS was set")则
903  write_cr0(cr0 & ~X86_CR0_TS)
904  否则
910  终止程序