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

Linus Walleij
2011-12-01T21:41:53Z

2011/11/26 Alessandro Rubini <rubini@gnudd.com>:

> 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