[vlc-devel] [PATCH] v4l/v4l2: add mmap() fall back for nommu systems

[Rémi Denis-Courmont]

On Sun, 15 Mar 2009 04:27:13 -0400, Mike Frysinger <vapier.adi at gmail.com>
wrote:
> i imagine the nommu kernel code simply lies.  we know it works because
> we've used v4l on a nommu system.  we have vlc capture via v4l from a
> black & white sensor and stream it via rtp across the network to a
> desktop system.

I am not so convinced that it works properly on a MMU system, as it is
specification-wise incorrect. And mmap() can fail for other reasons than
"there is no MMU and you asked for a private copy".

-- 
Rémi Denis-Courmont