函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\ftrace.h Create Date:2022-07-27 06:49:45
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Ftrace disable/restore without lock. Some synchronization mechanism* must be used to prevent ftrace_enabled to be changed between* disable/restore.

函数原型：static inline int __ftrace_enabled_save(void)

返回类型：int

参数：无

755  saved_ftrace_enabled等于ftrace_enabled
756  ftrace_enabled等于0
757  返回:saved_ftrace_enabled
调用者
名称描述
machine_kexecDo not allocate memory (or fail in any way) in machine_kexec().* We are past the point of no return, committed to rebooting now.