linux-kernel - Re: [PATCH tip/core/rcu 6/6] rcu: Simplify creating of lockdep class for root rcu

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Date:	Mon, 26 Oct 2009 07:50:07 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, laijs@...fujitsu.com,
	dipankar@...ibm.com, akpm@...ux-foundation.org,
	mathieu.desnoyers@...ymtl.ca, josh@...htriplett.org,
	dvhltc@...ibm.com, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu,
	dhowells@...hat.com, avi@...hat.com, mtosatti@...hat.com
Subject: Re: [PATCH tip/core/rcu 6/6] rcu: Simplify creating of lockdep
	class for root rcu_node


* Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote:

> From: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
> 
> Use lockdep_set_class() to simplify the code and to avoid any additional
> overhead in the !LOCKDEP case.
> 
> Signed-off-by: Peter Zijlstra <peterz@...radead.org>
> Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

This signoff order is wrong - first signoff line must be the author of 
the patch. (which is a pretty general rule with only rare exceptions) 

This patch was from Peter originally, right? In such cases please add:

  From: Peter Zijlstra <peterz@...radead.org>

To the head of the patch. Or, if Peter acked it, add:

  Acked-by: Peter Zijlstra <peterz@...radead.org>

SOB lines are strictly only added by people who send patches to you - 
i.e. it records the patch handling pathway.

Thanks,

	Ingo
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