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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Josh Triplett <josh@joshtriplett.org>
Date: Tue, 11 Sep 2018 02:00:33 +0300
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Cc: James Bottomley <James.Bottomley@hansenpartnership.com>,
	ksummit-discuss@lists.linuxfoundation.org
Subject: Re: [Ksummit-discuss] [MAINTAINER SUMMIT] community
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Hi Josh,

On Tuesday, 11 September 2018 00:30:19 EEST Josh Triplett wrote:
> On Mon, Sep 10, 2018 at 10:59:26PM +0300, Laurent Pinchart wrote:
> > One of the issues here is that patch series don't have fixed boundaries
> > over their lifetime, the same way patches don't. A patch can evolve in
> > scope from version to version, and similarly so can a patch series. It's
> > not uncommon for patches to be dropped or added and for series to be
> > split or merged. I've in the past incorporated part of an RFC patch
> > series in the v1 of a series with a larger scope (after discussing it
> > with the original developer of course).
> 
> I do have some tools and algorithms that could be adapted to help
> cross-match patch series and show how they evolve over time. It isn't
> that hard to detect patch reordering and show interdiffs between
> corresponding patches. Extending that to match patches between series
> isn't much harder.

That would be a very nice addition to patchwork. I believe we need heuristics 
to do this, and by definition they will never achieve a 100% success rate, but 
if we can find most links between patch series, we'll be in a much better 
position than we are now.

-- 
Regards,

Laurent Pinchart