Re: [RFC] [PATCH 0/3] ioat: DMA engine support

[Andi Kleen]

> >Just pointing out that it's not clear it will always be a big help.
> >
> > 
> >
> Agree it should default to in-cache.

This would mean no DMA engine by default.

Clearly there needs to be some heuristic to decide by default. We'll see how 
effective it will be in the end.

-Andi

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