Re: [PATCH net-next-2.6 2/5] lib: cpu_rmap: CPU affinityreverse-mapping

From: David Miller
Date: Mon Jan 24 2011 - 18:01:11 EST

From: Ben Hutchings <bhutchings@xxxxxxxxxxxxxx>
Date: Wed, 19 Jan 2011 21:03:25 +0000

> When initiating I/O on a multiqueue and multi-IRQ device, we may want
> to select a queue for which the response will be handled on the same
> or a nearby CPU. This requires a reverse-map of IRQ affinity. Add
> library functions to support a generic reverse-mapping from CPUs to
> objects with affinity and the specific case where the objects are
> IRQs.
> Signed-off-by: Ben Hutchings <bhutchings@xxxxxxxxxxxxxx>

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