Re: [PATCH 7/7] [v5] drivers/virt: introduce Freescale hypervisor management driver

On Thu, Jun 09, 2011 at 03:18:28PM -0500, Timur Tabi wrote:
> > More importantly, the code you have chose (0) conflicts with existing drivers
> > (frame buffer, scsi and wavefront among others). Please chose a free one and
> > add it to Documentation/ioctl/ioctl-number.txt in the same patch.
> 
> Ok, I was really hoping to avoid doing this.  Like I said, binary compatibility
> is important, and changing the type will break my existing apps.  Are you
> insisting that I pick a new number?

Why is binary compatibility important?  Isn't this a brand new driver
for a brand new system?  What userspace tools are out there in the wild
for such a thing?

confused,

greg k-h