linux-kernel - Re: [ofa-general] Re: [PATCH 01 of 11] mmu-notifier-core

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Message-ID: <alpine.LFD.1.10.0805071601090.3024@woody.linux-foundation.org>
Date:	Wed, 7 May 2008 16:03:00 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andrea Arcangeli <andrea@...ranet.com>
cc:	Roland Dreier <rdreier@...co.com>, npiggin@...e.de,
	chrisw@...hat.com, rusty@...tcorp.com.au, a.p.zijlstra@...llo.nl,
	marcelo@...ck.org, kvm-devel@...ts.sourceforge.net,
	kanojsarcar@...oo.com, steiner@....com,
	linux-kernel@...r.kernel.org, avi@...ranet.com,
	aliguori@...ibm.com, paulmck@...ibm.com, linux-mm@...ck.org,
	holt@....com, general@...ts.openfabrics.org, hugh@...itas.com,
	Andrew Morton <akpm@...ux-foundation.org>, dada1@...mosbay.com,
	clameter@....com
Subject: Re: [ofa-general] Re: [PATCH 01 of 11] mmu-notifier-core



On Thu, 8 May 2008, Andrea Arcangeli wrote:
> 
> Ok so I see the problem Linus is referring to now (I received the hint
> by PM too), I thought the order of the signed-off-by was relevant, it
> clearly isn't or we're wasting space ;)

The order of the signed-offs are somewhat relevant, but no, sign-offs 
don't mean authorship.

See the rules for sign-off: you can sign off on another persons patches, 
even if they didn't sign off on them themselves. That's clause (b) in 
particular.

So yes, quite often you'd _expect_ the first sign-off to match the author, 
but that's a correlation, not a causal relationship.

		Linus
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