Re: Status of AIO

[David S. Miller]

From: Benjamin LaHaise <bcrl@xxxxxxxxx>
Date: Mon, 6 Mar 2006 19:42:37 -0500

> I'm open to suggestions. =-)  So far my thoughts have mostly been limited 
> to how to make tx faster, at which point you have to go into the kernel 
> somehow to deal with the virtual => physical address translation (be it 
> with a locked buffer or whatever) and kicking the hardware.  Rx has been 
> much less interesting simply because the hardware side doesn't offer as 
> much.

I think any such VM tricks need serious thought.  It has serious
consequences as far as cost especially on SMP.  Evgivny has some data
that shows this, and chapter 5 of Networking Algorithmics has a lot of
good analysis and paper references on this topic.
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