suse man page for __do_irq

__DO_IRQ(9)						    Internal Functions Provided 					       __DO_IRQ(9)

NAME
       __do_IRQ - original all in one highlevel IRQ handler

SYNOPSIS
       unsigned int __do_IRQ(unsigned int irq);

ARGUMENTS
       irq
	   the interrupt number

DESCRIPTION
       __do_IRQ handles all normal device IRQ's (the special SMP cross-CPU interrupts have their own specific handlers).

       This is the original x86 implementation which is used for every interrupt type.

AUTHORS
       Thomas Gleixner <tglx@linutronix.de>
	   Author.

       Ingo Molnar <mingo@elte.hu>
	   Author.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010							       __DO_IRQ(9)