Re: 2 questions about interrupts

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On Mon, Feb 21, 2005 at 03:43:57PM -0600, Jimmy DeWitt hit keys to express the following:
> Hi,
>          A couple of questions about interrupts:
> 
> 1) Why does interrupt addressing start at 32 and not 0? 
In IA32, first 32 (0-31) are reserved, i.e  20 of them are currently used and
the rest are reserved for future use.
> 
> 2) How do I change irq_desc[my_irq].action->handler  ?
>         is there a clean interface to update it?
Why do you want to do this? Is request_irq() not sufficient?

Regards,
Om.

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