函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\printk\printk.c Create Date:2022-07-27 11:07:28
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:kmsg_dump_register - register a kernel log dumper.*@dumper: pointer to the kmsg_dumper structure* Adds a kernel log dumper to the system. The dump callback in the* structure will be called when the kernel oopses or panics and must be* set

函数原型:int kmsg_dump_register(struct kmsg_dumper *dumper)

返回类型:int

参数:

类型参数名称
struct kmsg_dumper *dumper
3057  err等于负EBUSY
3060  如果非dump则返回:负EINVAL
3063  spin_lock_irqsave( & dump_list_lock, flags)
3065  如果非registered
3066  registered等于1
3067  添加RCU链表项
3068  err等于0
3070  spin_unlock_irqrestore( & dump_list_lock, flags)
3072  返回:err