linux-kernel - Re: [PATCH] rcu: remove duplicate CONFIG_RCU_CPU_STALL

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Message-ID: <20090122094505.GF6290@linux.vnet.ibm.com>
Date:	Thu, 22 Jan 2009 01:45:05 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Lai Jiangshan <laijs@...fujitsu.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	jkosina@...e.cz
Subject: Re: [PATCH] rcu: remove duplicate CONFIG_RCU_CPU_STALL_DETECTOR

On Thu, Jan 22, 2009 at 09:30:23AM +0100, Ingo Molnar wrote:
> 
> * Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote:
> 
> > On Thu, Jan 22, 2009 at 09:46:38AM +0800, Lai Jiangshan wrote:
> > > 
> > > Impact: remove the old CONFIG_RCU_CPU_STALL_DETECTOR
> > > 
> > > tree_rcu introduce CONFIG_RCU_CPU_STALL_DETECTOR again.
> > > 
> > > These two are the same exactly except:
> > > the old one "depends on CLASSIC_RCU"
> > > the new one "depends on CLASSIC_RCU || TREE_RCU"
> > > 
> > > This patch remove the old one.
> > 
> > Good eyes!
> > 
> > However, Jiri Kosina has already queued this up for the trivial tree:
> > 
> > 	http://lkml.org/lkml/2009/1/15/218
> 
> i've queued it up in tip/core/urgent, as we already touch the RCU Kconfig 
> structure there.

Works for me!

							Thanx, Paul
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