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Re: number of interrupt sources limit



On Tue, May 31, 2016 at 09:09:13PM +0200, Manuel Bouyer wrote:
> actually, the number of interrupt sources per CPU (but all peripheral
> interrupts are routed to the BSP) is limited to 32. Is this considered
> enough for modern x86 ?

Well, the primary limit is that interrupts must have an entry in the IDT
and that is naturally limited to 256 entries, including exceptions and
the like.

Joerg


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