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From: Takashi Iwai <tiwai@suse•de>
To: Jiri Kosina <jikos@kernel•org>
Cc: Stephen Rothwell <sfr@canb•auug.org.au>,
	linux-next@vger•kernel.org, linux-kernel@vger•kernel.org
Subject: Re: linux-next: please clean up the livepatching tree
Date: Fri, 05 Aug 2016 09:08:31 +0200	[thread overview]
Message-ID: <s5hk2fvr8uo.wl-tiwai@suse.de> (raw)
In-Reply-To: <alpine.LNX.2.00.1608031124330.22028@cbobk.fhfr.pm>

On Wed, 03 Aug 2016 11:29:02 +0200,
Jiri Kosina wrote:
> 
> On Wed, 3 Aug 2016, Stephen Rothwell wrote:
> 
> > > This is a part we keep discussing from time to time, and I still don't 
> > > understand why it bothers you so much. The only reason is to keep the 
> > > branch non-rebasing, because it has downstreams. Code-wise, it's 
> > > always equivalent to what end up being merged, but without the actual 
> > > superfluous merge commits.
> > 
> > The problem from my point of view is that git seems to take more time
> > to merge the tree into linux-next (I know this isn't much for just one
> > tree, but I currently have over 200 trees to merge each day).  
> 
> Because of merge commits the number of which is below 100? That's an 
> interesting observation and quite unexpected bottleneck in git.
> 
> > Also, having all those extra merges complicates the structure of my tree 
> > and presumably makes it harder for git to merge other trees.  Its also 
> > possible (I have seen this in other trees) for the merge commits 
> > themselves to generate conflicts with (merge) commits in Linus' and 
> > other trees.
> > 
> > Also, I am not sure why you have a branch that ask Linus to merge 
> > separate from the branch you have me merge?
> 
> Exactly to avoid Linus' tree being polluted by the extra merge commits.
> 
> My workflow is really simple -- development happens in (a lot of) topic 
> branches, and each and every time any of the topic branches is updated by 
> a new commit, that topic branch gets merged into for-next.
> 
> Once code should go to Linus, the branches are merged at once into 
> 'for-linus' brach, and it's guaranteed to be code-wise the same as what 
> was gradually appearing in for-next.
> 
> What other workflow do you suggest for maintainers like me, who are using 
> a lot of topic branches?

Maybe refreshing merges in for-next branch at each time (or day)
instead of incremental merges?


Takashi

  reply	other threads:[~2016-08-05  7:08 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-02 23:31 linux-next: please clean up the livepatching tree Stephen Rothwell
2016-08-02 23:41 ` Jiri Kosina
2016-08-03  1:23   ` Stephen Rothwell
2016-08-03  9:29     ` Jiri Kosina
2016-08-05  7:08       ` Takashi Iwai [this message]
2016-08-05 13:11         ` Jiri Kosina
  -- strict thread matches above, loose matches on Subject: below --
2025-08-18  2:14 Stephen Rothwell
2025-08-18 10:32 ` Petr Mladek
2025-08-18 14:00   ` Stephen Rothwell

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