Re: [patch 2/5] Staging: vme: add VME userspace driver

Greg KH
2009-08-10T16:31:36Z

On Sun, Aug 09, 2009 at 02:17:16PM +0200, Emilio G. Cota wrote:
> (oops, just correcting Sebastien's e-mail address)
>
> Emilio G. Cota wrote:
> > I remember we had a look at the vmelinux interface, but it really
> > was so limited that we decided to get rid of it altogether. Do you
> > really think it's worth bringing it back to life? Since it's never
> > been merged into the kernel, why don't we just get it right this time
> > and forget about it?
> >
> > Instead of using that we implemented a heretic IOCTL-based
> > interface for user-space; at least with it you could create a
> > driver (with no interrupt support) for a device in user-space.

Why not just use the UIO interface instead of creating
yet-another-kernel/user-api?

Will that interface not work for what you want to use here?

thanks,

greg k-h