linux-kernel - Re: git process question

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Date:   Wed, 19 Apr 2017 20:39:57 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: Re: git process question

Steven Rostedt <rostedt@...dmis.org> writes:

> Hi Linus,
>
> I have a minor bug I found and a fix for it. I'm currently putting it
> through the grind and will send it to you for this rc release cycle.
> 
> Here's the question. My current linux-next development depends on this
> fix. I already posted work to linux-next and do not want to rebase.
> Would it be OK to cherry pick this change that I send to you, which
> will be based on a commit in your tree, into my development branch
> where I can continue the work on top of the previous development that's
> in linux-next and the fix?
...
> The alternatives are,
...
>  2) Merge the development and urgent branches and continue working on
>     that. But I understand that you really don't like it when people do that.
                                      ^^^^^^^^^^^^^^^^^^^^
                                      Is this part actually true?

I ask because I have done it a few times and thought it was OK in
general if there's a good reason for it.

I make a point of using the same base for my fixes and next branches
(ie. usually some rc), and then I don't fast forward my fixes branch
when Linus merges it, or otherwise put anything in there other than the
actual fixes. That means if I do merge it into next it doesn't bring
anything else with it.

cheers