linux-kernel - Re: [PATCH,RFC] Initialize call_rcu

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Message-ID: <20080325184912.GL4555@linux.vnet.ibm.com>
Date:	Tue, 25 Mar 2008 11:49:12 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu,
	akpm@...ux-foundation.org, hch@...radead.org, mmlnx@...ibm.com,
	dipankar@...ibm.com, dsmith@...hat.com, rostedt@...dmis.org,
	adrian.bunk@...ial.fi, a.p.zijlstra@...llo.nl, ego@...ibm.com,
	niv@...ibm.com, dvhltc@...ibm.com, rusty@....ibm.com,
	jkenisto@...ux.vnet.ibm.com, oleg@...sign.ru
Subject: Re: [PATCH,RFC] Initialize call_rcu_sched sooner

On Tue, Mar 25, 2008 at 08:53:08AM -0400, Mathieu Desnoyers wrote:
> Initialize call_rcu_sched sooner so it can be used in module_init stage.
> 
> (needed for LTTng)

This passes smoke tests, so have incorporated it.  Thank you, Mathieu!!!

						Thanx, Paul

> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
> ---
>  init/main.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: linux-2.6-lttng/init/main.c
> ===================================================================
> --- linux-2.6-lttng.orig/init/main.c	2008-03-25 08:49:02.000000000 -0400
> +++ linux-2.6-lttng/init/main.c	2008-03-25 08:49:20.000000000 -0400
> @@ -738,13 +738,13 @@ static void __init do_initcalls(void)
>   */
>  static void __init do_basic_setup(void)
>  {
> +	rcu_init_sched();
>  	/* drivers will send hotplug events */
>  	init_workqueues();
>  	usermodehelper_init();
>  	driver_init();
>  	init_irq_proc();
>  	do_initcalls();
> -	rcu_init_sched();
>  }
> 
>  static int __initdata nosoftlockup;
> -- 
> Mathieu Desnoyers
> Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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