linux-kernel - Re: [tip:core/locking] lockdep, rtmutex, bug: Show taint flags on error

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Message-ID: <20111206175443.GB25031@elte.hu>
Date:	Tue, 6 Dec 2011 18:54:43 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	a.p.zijlstra@...llo.nl, tglx@...utronix.de,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:core/locking] lockdep, rtmutex, bug: Show taint flags on
 error


* Ben Hutchings <ben@...adent.org.uk> wrote:

> On Tue, 2011-12-06 at 01:38 -0800, tip-bot for Ben Hutchings wrote:
> > Commit-ID:  fbdc4b9a6c29befbcca65e5366e5aaf2abb7a013
> > Gitweb:     http://git.kernel.org/tip/fbdc4b9a6c29befbcca65e5366e5aaf2abb7a013
> > Author:     Ben Hutchings <ben@...adent.org.uk>
> > AuthorDate: Fri, 28 Oct 2011 04:36:55 +0100
> > Committer:  Ingo Molnar <mingo@...e.hu>
> > CommitDate: Tue, 6 Dec 2011 08:16:49 +0100
> > 
> > lockdep, rtmutex, bug: Show taint flags on error
> > 
> > Show the taint flags in all lockdep and rtmutex-debug error messages.
> > 
> > Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
> > Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> > Link: http://lkml.kernel.org/r/1319773015.6759.30.camel@deadeye
> > Signed-off-by: Ingo Molnar <mingo@...e.hu>
> [...]
> 
> If you disagree with a patch, do not silently drop parts of 
> it.  I demand that you remove my 'Signed-off-by' as this is 
> not the change I submitted.

FYI, there's no "I will only sign off on a patch doing two 
things if it's applied in full" kind of condition in the SOB 
definition, allowing that would break the GPL: people have the 
right to take your modifications to the GPL-ed kernel and modify 
it further.

Your original patch did two things. Peter did the sensible 
thing: he split out the print_kernel_ident() changes from your 
patch which stand on their own and kept your authorship in place 
- that is what the above patch does.

Once you send it out the SOB is valid and people can (and 
typically will) modify it - and if you are still the main author 
(which you are here 100%) then keeping you as the author is the 
proper approach - Peter added his own SOB after yours.

Thanks,

	Ingo
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