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

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Message-ID: <20091026171330.GC6317@linux.vnet.ibm.com>
Date:	Mon, 26 Oct 2009 10:13:30 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Ingo Molnar <mingo@...e.hu>
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

On Mon, Oct 26, 2009 at 07:50:07AM +0100, Ingo Molnar wrote:
> 
> * 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.

I will resubmit with this fixed up, apologies for my confusion.

							Thanx, Paul
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