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Date: Thu, 5 Jun 2014 10:38:04 +0200
From: Ingo Molnar <mingo@kernel.org>
To: Davidlohr Bueso <davidlohr@hp.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Tim Chen <tim.c.chen@linux.intel.com>,
        Andrea Arcangeli <aarcange@redhat.com>, Alex Shi <alex.shi@linaro.org>,
        Andi Kleen <andi@firstfloor.org>,
        Michel Lespinasse <walken@google.com>, Rik van Riel <riel@redhat.com>,
        Peter Hurley <peter@hurleysoftware.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        "Paul E.McKenney" <paulmck@linux.vnet.ibm.com>,
        Jason Low <jason.low2@hp.com>,
        Aswin Chandramouleeswaran <aswin@hp.com>,
        "Norton, Scott J" <scott.norton@hp.com>, linux-kernel@vger.kernel.org,
        "Paul E. McKenney" <paulmck@us.ibm.com>
Subject: Re: [PATCH v4] rwsem: Support optimistic spinning
Message-ID: <20140605083804.GF4926@gmail.com>
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When trying to apply this patch again I noticed the following detail:

> From: Davidlohr Bueso <davidlohr@hp.com>
>
> [...]
>
> Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
> Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>

That's not a valid signoff sequence - the person sending the patch 
should be the last SOB.

I've changed it to:

 Based-on-work-from: Tim Chen <tim.c.chen@linux.intel.com>
 Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>

which I suspect describes the intention of the SOB line fairly?

Thanks,

	Ingo