Compare two diiferent kernel version

[Greg KH]

On Fri, Apr 22, 2016 at 11:23:28AM +0530, vish chopra wrote:
> Hi,
> 
> i'm new to driver development.
> how can i compare two different kernel version to see changes

git diff v4.4..v4.5

:)

> and also help me with how i can make changes to kernel and notice its
> effect.

What exactly do you mean by this?  Have you worked through the "First
Kernel Patch" tutorial on the kernelnewbies.org wiki?

thanks,

greg k-h