linux-kernel - Re: linux-next: manual merge of the sound tree with the s5p tree

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Message-ID: <s5h7hf0tvct.wl%tiwai@suse.de>
Date:	Thu, 23 Dec 2010 15:30:26 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Kukjin Kim <kgene.kim@...sung.com>
Cc:	'Stephen Rothwell' <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	'Jassi Brar' <jassi.brar@...sung.com>
Subject: Re: linux-next: manual merge of the sound tree with the s5p tree

At Thu, 23 Dec 2010 20:28:27 +0900,
Kukjin Kim wrote:
> 
> Takashi Iwai wrote:
> > 
> 
> (snip)
> 
> > > > > Anyway I need above commits from sound-2.6.git in my tree...
> > > > > so how method is better to me instead of cherry-pick it?
> > > >
> > > > You can merge topic/asoc branch of sound git tree.
> > > > This brach contains the all necessary commits for ASoC and is almost
> > > > never rebased.
> > >
> > > Hi,
> > >
> > > But I can't merge it because there is no 'topic/asoc' branch in
> > > sound-2.6.git.
> > > (git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound-2.6.git)
> > >
> > > Is there another repository?
> > 
> > OK, Mark's tree doesn't contain.  But you can merge for-2.6.38 tree there.
> > 
> > The main sound git tree is found in
> >     git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git
> > 
> Aha~ :-)
> 
> > > And should I merge it in my tree even though don't need all of ASoC
> commits
> > > :-( ?
> > 
> > In general yes because this is the tree to be merged to 2.6.38.
> > 
> Yeah, I know it.
> 
> > > I'm not sure how many commits are in there...
> > 
> > You can keep two branches.  One contains only your fixes, and another
> > is the merged branch from yours and from sound git tree.  Expose the
> > latter merged tree for linux-next.
> > 
> Yeah...however, firstly, my tree will be sent to rmk during 38 merge window,
> if I merge from sound git, for avoiding build error I should send all
> including them not only my patches. I think there is no need to rmk...hmm
> 
> So I did 'cherry-pick' only needed 2 commits in my tree.

And that caused problems :)

> > There are many other ways to manage such things, but the above has
> > worked for me well, at least.
> 
> Yeah I think so...but is there another better way in this case? Hehehe...

Well, ideally, create a separate branch containing these cross-tree
commits based on vanilla.  Then pull this branch to both arm (or your)
and sound trees.  In that way, both trees share the same commits in
the least amount.

I basically don't like to rebase and the commits have been already in
sound tree, but if this is the only way and Russell prefers this, it
can be a possible option.


thanks,

Takashi
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