Re: [PATCH 2/2][RT] powerpc - Make the irq reverse mapping radixtree lockless

[Benjamin Herrenschmidt]

On Fri, 2008-07-25 at 09:49 +0200, Peter Zijlstra wrote:
> 
> 
> The only advantage of the concurrent radix tree over this model is that
> it can potentially do multiple modification operations at the same time.

Yup, we do not need that for the irq revmap... concurrent lookup is all we need.

Cheers,
Ben.


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