---
name: "synchronize_irq"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/synchronize_irq"
---

# synchronize\_irq(9)

wait for pending IRQ handlers (on other CPUs)

## 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.

## AUTHORS

**Thomas Gleixner** \<tglx@linutronix.de\>

Author.

**Ingo Molnar** \<mingo@elte.hu\>

Author.

## COPYRIGHT