Re: IRQ entry point?

[Matthias Kaehlcke <matthias@xxxxxxxxxxxx>]

El Tue, May 20, 2008 at 10:48:42AM +0800 vichy ha dit:

> Usually we use request_irq to register our irq handler, but where is the
> entry point about kernel that receives HW's truly interrupt?

i suppose you are looking for this (in case of x86-32):

arch/x86/kernel/entry_32.S

common_interrupt:
				SAVE_ALL
				TRACE_IRQS_OFF
				movl %esp,%eax
				call do_IRQ
				jmp ret_from_intr
ENDPROC(common_interrupt)

-- 
Matthias Kaehlcke
Embedded Linux Engineer
Barcelona

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                            (Oscar Wilde)
                                                                 .''`.
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