Re: [RFC PATCH 0/7] Introducing ZIO, a new I/O framework

[Linus Walleij]

2011/11/26 Alessandro Rubini <rubini@xxxxxxxxx>:

> I'm open to suggestions (_we_ are) about how to easily use IIO for
> output, for hardware timestamps (we have 3 32-bit fields) and for very
> large data blocks, with DMA to/from user space -- sure we don't have this
> last point in ZIO at this point in time.

The latter seem like a case for the dma-buf mechanism.
http://lwn.net/Articles/462524/

(Interesting hardware you found Alessandro! :)

Yours,
Linus Walleij
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