linux-kernel - Re: [tip:core/rcu] rcu: Add second diagnostic check for a possible CPU-hotplug race

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Date:	Sun, 9 Aug 2009 13:00:19 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	mingo@...hat.com, hpa@...or.com, paulmck@...ux.vnet.ibm.com,
	linux-kernel@...r.kernel.org, tglx@...utronix.de
Cc:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:core/rcu] rcu: Add second diagnostic check for a possible
	CPU-hotplug race


* tip-bot for Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote:

> Commit-ID:  86f044729ee3e4d8885c17371ce5a76f6f321dc7
> Gitweb:     http://git.kernel.org/tip/86f044729ee3e4d8885c17371ce5a76f6f321dc7
> Author:     Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
> AuthorDate: Wed, 5 Aug 2009 18:26:45 -0700
> Committer:  Ingo Molnar <mingo@...e.hu>
> CommitDate: Sun, 9 Aug 2009 12:42:48 +0200
> 
> rcu: Add second diagnostic check for a possible CPU-hotplug race

has a build problem too:

 kernel/built-in.o: In function `rcu_cpu_notified':
 (.text+0x1d787): undefined reference to `cpu_notified'
 kernel/built-in.o: In function `rcu_init':
 (.init.text+0x1174): undefined reference to `cpu_notified'
 kernel/built-in.o: In function `rcu_init':
 (.init.text+0x11a8): undefined reference to `cpu_notified'

Maybe we should simplify all those Kconfig rules? It's a maze.

	Ingo
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