From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Valdis.Kletnieks@vt.edu
Cc: Roman Zippel <zippel@linux-m68k.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org
Subject: Re: Odd Kconfig output..
Date: Tue, 8 Sep 2009 15:09:43 -0700 [thread overview]
Message-ID: <20090908220943.GJ6753@linux.vnet.ibm.com> (raw)
In-Reply-To: <12284.1252155974@turing-police.cc.vt.edu>
On Sat, Sep 05, 2009 at 09:06:14AM -0400, Valdis.Kletnieks@vt.edu wrote:
> Saw this while doing a 'make oldconfig' moving from -mmotm0827 to -mmotm0903:
>
> RCU Implementation
> > 1. Tree-based hierarchical RCU (TREE_RCU)
> 2. Preemptable tree-based hierarchical RCU (TREE_PREEMPT_RCU) (NEW)
> choice[1-2]: ?
>
> There is no help available for this kernel option.
> Prompt: RCU Implementation
> Defined at init/Kconfig:329
> Location:
> -> General setup
> -> RCU Subsystem
> Selected by: m [=m]
>
> Where did that 'Selected by:' come from? Or is that just an artifact of
> the way Kconfig implements 'choice'?
Many of the architectures use a "select" clause for RCU, usually
selecting CLASSIC_RCU. Could that be the issue?
Thanx, Paul
prev parent reply other threads:[~2009-09-08 22:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-05 13:06 Odd Kconfig output Valdis.Kletnieks
2009-09-08 22:09 ` Paul E. McKenney [this message]
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