函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\printk\printk_safe.c Create Date:2022-07-27 11:07:51
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:Lock-less printk(), to avoid deadlocks should the printk() recurse* into itself. It uses a per-CPU buffer to store the message, just like* NMI.

函数原型:static __printf(1, 0) int vprintk_safe(const char *fmt, va_list args)

返回类型:int

参数:

类型参数名称
const char *fmt
va_listargs
344  s等于this_cpu_ptr( & safe_print_seq)
346  返回:Add a message to per-CPU context-dependent buffer
调用者
名称描述
vprintk_func