函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\irq_poll.c Create Date:2022-07-27 08:19:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:q_poll_sched - Schedule a run of the iopoll handler*@iop: The parent iopoll structure* Description:* Add this irq_poll structure to the pending poll list and trigger the* raise of the blk iopoll softirq.

函数原型:void irq_poll_sched(struct irq_poll *iop)

返回类型:void

参数:

类型参数名称
struct irq_poll *iop
31  如果st_bit - Determine whether a bit is set*@nr: bit number to test*@addr: Address to start counting from则返回
33  如果st_and_set_bit - Set a bit and return its old value*@nr: Bit to set*@addr: Address to count from* This is an atomic fully-ordered operation (implied full memory barrier).则返回
36  local_irq_save(flags)
37  添加链表项
38  raise_softirq_irqoff(IRQ_POLL_SOFTIRQ)
39  local_irq_restore(flags)