Re: [PATCH 5/8] irq: change irq_desc_alloc to take node instead cpu

From: Ingo Molnar
Date: Thu Apr 16 2009 - 05:11:34 EST



* Yinghai Lu <yinghai@xxxxxxxxxx> wrote:

> Impact: prepare to make irq_desc_alloc to numa aware
>
> so could make irq_desc_alloc use node pass down

Yes - this static approach will work far better than dynamically
migrating IRQ descriptors. IRQ migration is ... fragile, both in
hardware, and in terms of sw complexity.

Ingo
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