linux-kernel - Re: [GIT PULL] EDAC updates for 4.2

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Message-ID: <alpine.DEB.2.11.1506241048260.4037@nanos>
Date:	Wed, 24 Jun 2015 10:50:38 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Ingo Molnar <mingo@...nel.org>
cc:	Borislav Petkov <bp@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-edac <linux-edac@...r.kernel.org>, x86-ml <x86@...nel.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] EDAC updates for 4.2

On Wed, 24 Jun 2015, Ingo Molnar wrote:

> * Borislav Petkov <bp@...e.de> wrote:
> 
> > > If it doesn't work or compile without the tip pile, then I'm not pulling it at 
> > > all, since that means that any problems are not bisectable.
> > 
> > Ok, how would you prefer this solved - should I merge the relevant tip branches 
> > into it?
> 
> So the broken commit is 1862c7c3483c. Given that only a handful of commits follow 
> it, I'd suggest the following resolution, to preserve half of your tree:
> 
>   git checkout -b tmp.tmp your/edac/tree
>   git reset --hard 1862c7c3483c^1
>   git merge linus # where 'linus' is 407a2c720556e - your DEFERRED_ERROR_VECTOR dependency
>   git checkout -b tmp.tmp2 your/edac/tree
>   git rebase --onto tmp.tmp 1862c7c3483c^1
> 
> Then re-test and re-submit the result to Linus as -v2.
> 
> Note that 407a2c720556e is very early in the v4.2 merge window, with only -tip 
> (and some VFS) bits in it, which I have tested and which is looking pretty robust.
> 
> In the future we can do such dependencies in -tip as well, so that they don't 
> reach Linus - I didn't realize your tree had this dependency.

One of the solution I use for cross tree dependencies is:

    - Apply the commits which create a dependency to a seperate branch

    - Let the depending tree pull that branch

    - Merge the branch into the proper tip/ branch

Thanks,

	tglx
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