can i simply "re-version" the kernel down to 2.x?

[Greg KH]

On Fri, Aug 05, 2011 at 10:36:00AM -0400, Robert P. J. Day wrote:
> 
>   for reasons that don't need explaining, i need to rebuild my current
> 3.0.0... kernel so that it returns a "uname" version number of
> "2.whatever".  i simply have an app i want to run that checks the
> output of "uname" and if it doesn't see a major number of "2", it goes
> a bit squirrelly.
> 
>   there's no *technical* reason i can see for the app to be that
> restrictive, so i was just going to hack the top level Makefile of my
> git clone and label this as a 2.99.99 kernel.  is there anything that
> would break because of that kind of hackery?

Why not just call it 2.6.40 like Fedora is doing for this very reason?