how to determine whether the source code is same between two kernels

Greg KH greg at
Wed May 8 05:25:54 EDT 2019

On Wed, May 08, 2019 at 04:52:46PM +0800, wuzhouhui wrote:
> Hi,
> Suppose I have two kernels, one is A.B.C build by people Tom. And
> the other is A.B.C build by Jerry. The source code have been deleted
> after kernel is build and installed. Now I want to know whether the
> source code of these two kernel is the same (even if they have the same
> name). All I have is binaries (e.g. vmlinux, config, *.ko,
> Is it possible?

Maybe, but not very easily.

Good luck!

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