user space device drivers

[richard -rw- weinberger]

On Mon, May 13, 2013 at 9:52 PM, Gergely Buday <gbuday at gmail.com> wrote:
> Hi there,
>
> I learned, e.g. from here that user space device drivers are indeed possible:
>
> http://www.makelinux.net/ldd3/chp-2-sect-9
>
> Are there serious user space drivers in Linux? Could you name a few?

UIO has lots of serious users.
One prominent VFIO user is qemu/kvm.

--
Thanks,
//richard