synchronize_irq
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## Name

synchronize_irq — wait for pending IRQ handlers (on other CPUs)

## Synopsis

`void synchronize_irq (` | unsigned int irq`)`;

## Arguments

`irq`

  interrupt number to wait for

## Description

This function waits for any pending IRQ handlers for this interrupt to complete before returning. If you use this function while holding a resource the IRQ handler may need you will deadlock.

This function may be called - with care - from IRQ context.

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