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 11:07:01
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：sole_cpu_notify - print deferred console messages after CPU hotplug*@cpu: unused* If printk() is called from a CPU that is not online yet, the messages* will be printed on the console only if there are CON_ANYTIME consoles

函数原型：static int console_cpu_notify(unsigned int cpu)

返回类型：int

参数：

类型参数名称
unsigned intcpu
2269  如果非cpuhp_tasks_frozen则
2271  如果sole_trylock - try to lock the console system for exclusive use.* Try to acquire a lock which guarantees that the caller has exclusive* access to the console system and the console_drivers list.* returns 1 on success, and 0 on failure to acquire the lock.则sole_unlock - unlock the console system* Releases the console_lock which the caller holds on the console system* and the console driver list.* While the console_lock was held, console output may have been buffered* by printk()
2274  返回:0