> -----Original Messages-----
> From: "Greg KH" <greg@xxxxxxxxx>
> Sent Time: 2019-05-08 17:25:54 (Wednesday)
> To: wuzhouhui <wuzhouhui14@xxxxxxxxxxxxxxxx>
> Cc: kernelnewbies@xxxxxxxxxxxxxxxxx
> Subject: Re: how to determine whether the source code is same between two kernels
>
> 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, System.map).
^^^^^^^
vmlinuz, sorry for the typo.
> > Is it possible?
Using word "same" is too strict. At least, I want to know the source code of
two kernels is "equivalent". I already know that the source code is equivalent
if the srcversion of two modules is same (correct me if it is wrong). Does
vmlinuz has srcversion too?
>
> Maybe, but not very easily.
>
> Good luck!
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