Function report |
Source Code:kernel\irq\manage.c |
Create Date:2022-07-28 10:09:14 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:__synchronize_hardirq
Proto:static void __synchronize_hardirq(struct irq_desc *desc, bool sync_chip)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct irq_desc * | desc | |
bool | sync_chip |
40 | irqd = irq_desc_get_irq_data(desc) |
43 | Do |
50 | When irqd_irq_inprogress( & irq_data) cycle |
51 | cpu_relax() |
54 | raw_spin_lock_irqsave( & lock, flags) |
55 | inprogress = irqd_irq_inprogress( & irq_data) |
62 | If Not inprogress && sync_chip Then |
70 | raw_spin_unlock_irqrestore( & lock, flags) |
73 | When inprogress cycle |
Name | Describe |
---|---|
synchronize_hardirq | synchronize_hardirq - wait for pending hard IRQ handlers (on other CPUs)*@irq: interrupt number to wait for* This function waits for any pending hard IRQ handlers for this* interrupt to complete before returning |
synchronize_irq | synchronize_irq - wait for pending IRQ handlers (on other CPUs)*@irq: interrupt number to wait for* This function waits for any pending IRQ handlers for this interrupt* to complete before returning. If you use this function while |
__free_irq | Internal function to unregister an irqaction - used to free* regular and special interrupts that are part of the architecture. |
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