synchronize_irq (9) - Linux Man Pages

synchronize_irq: 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.

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