函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\irq\spurious.c Create Date:2022-07-27 11:10:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：If 99,900 of the previous 100,000 interrupts have not been handled* then assume that the IRQ is stuck in some manner

函数原型：static void __report_bad_irq(struct irq_desc *desc, irqreturn_t action_ret)

返回类型：void

参数：

类型参数名称
struct irq_desc *desc
irqreturn_taction_ret
193  irq等于irq_desc_get_irq(desc)
197  如果bad_action_ret(action_ret)则
198  printk - print a kernel message*@fmt: format string* This is printk(). It can be called from any context. We want it to work.* We try to grab the console_lock. If we succeed, it's easy - we log the* output and call the console drivers
200  否则
201  printk - print a kernel message*@fmt: format string* This is printk(). It can be called from any context. We want it to work.* We try to grab the console_lock. If we succeed, it's easy - we log the* output and call the console drivers
204  dump_stack()
205  printk - print a kernel message*@fmt: format string* This is printk(). It can be called from any context. We want it to work.* We try to grab the console_lock. If we succeed, it's easy - we log the* output and call the console drivers
213  raw_spin_lock_irqsave( & 自旋锁, flags)
215  printk - print a kernel message*@fmt: format string* This is printk(). It can be called from any context. We want it to work.* We try to grab the console_lock. If we succeed, it's easy - we log the* output and call the console drivers
216  如果线程中断处理器则printk - print a kernel message*@fmt: format string* This is printk(). It can be called from any context. We want it to work.* We try to grab the console_lock. If we succeed, it's easy - we log the* output and call the console drivers
219  printk - print a kernel message*@fmt: format string* This is printk(). It can be called from any context. We want it to work.* We try to grab the console_lock. If we succeed, it's easy - we log the* output and call the console drivers
221  raw_spin_unlock_irqrestore( & 自旋锁, flags)
调用者
名称描述
report_bad_irq
note_interrupt