Re: About interrupt handler

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Hi Kosta,

On Fri, Feb 24, 2012 at 1:19 AM, Kosta Zertsekel <zertsekel@xxxxxxxxx> wrote:
>>> I'm begin to learn the Kernel and i'm reading <<Linux kernel
>>> development>>.It says "This is an important point, always keep in mind that
>>> all interrupt handler has interrupted other code(possibly even another
>>> interrupt handler on a different line)".What i am not able to understand is
>>> how a interrupt handler be interrupted ? DID NOT it uninterrupted?
>>
>> It depends on the architecture and the interrupt controller being
>> used, and the driver code itself.
>>
>> Normally, when an interrupt fires, that particular interrupt will be
>> masked and your own handler won't interrupt itself, but you may very
>> well be interrupted by other interrupts.
>
> Can you please point out some code for explanation?

Could you be a bit more specific about what example you're looking for?

-- 
Dave Hylands
Shuswap, BC, Canada
http://www.davehylands.com

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