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SubjectRe: [PATCH] staging: dgap: re-arrange functions for removing forward declarations.
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On Tue, 2014-10-14 at 04:04 +0200, Greg KH wrote:
> On Mon, Oct 13, 2014 at 07:56:38AM -0700, Joe Perches wrote:
> > On Mon, 2014-10-13 at 17:01 +0900, DaeSeok Youn wrote:
> > > 2014-10-13 12:25 GMT+09:00 Greg KH <gregkh@linuxfoundation.org>:
> > > > On Mon, Oct 13, 2014 at 11:34:25AM +0900, Daeseok Youn wrote:
> > > >> Re-arrange the functions for removing forward declarations.
[]
> > > >> This patch has too many changes for re-arranging the functions.
> > > >> So I wonder that I should break this up into smaller patches.
> > > > Are the .o files identical before and after this patch? If so, it's
> > > > fine.
> > > Ok. I will check for that.
> > The .o files shouldn't be identical after function reordering.
>
> Hm, they might be the same size, but I can see how on some
> architectures (like ppc) how that would not be the case, you are right.
>
> Isn't there an "objdiff" program or something like that which might help
> in validating that nothing "changed" in the source for type of patch
> that just moves functions around in a file.

There is a scripts/objdiff, but that is basically for whitespace
only changes.

I don't know of a way to compare objects when functions are
rearranged in the source file.

Anyone else?



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