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[Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator.
On 10/25/2010 04:03 PM, Jeremy Fitzhardinge wrote:
>
> What? Why? How? Surely if we're asking the irq subsystem to allocate
> us an irq, it will return a fresh never-before-used (and certainly not
> shared) irq? Shared irqs only make sense if multiple devices are
> actually sharing, say, a wire on the board.
>
> Or am I missing something?
>
I think the number is not necessarily "never before used", but rather
"not currently used".
-hpa
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