warn_reboot kernel install option

[manoj.iyer at canonical.com]

> Cirtainly I can see that there is a use case, for suppressing any
> notificiation.  The real question is whether we can reuse this existing
> variable to do this or would need a new one.  It should be noted that
> this appears to have never been implemented and therefore changing its
> meaning would be low risk.
>
> Thoughts?


I will say use a new variable for ksplice enabled kernels and leave 
warn_reboot as is, this will take care of scenario when ksplice is longer 
in use.

Cheers
--- manjo