linux-kernel - Re: [PATCH RFC tip/core/rcu 30/41] rcutorture: Permit holding off CPU-hotplug operations during boot

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Date:	Wed, 1 Feb 2012 21:43:00 -0800
From:	Josh Triplett <josh@...htriplett.org>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, laijs@...fujitsu.com,
	dipankar@...ibm.com, akpm@...ux-foundation.org,
	mathieu.desnoyers@...ymtl.ca, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu,
	dhowells@...hat.com, eric.dumazet@...il.com, darren@...art.com,
	fweisbec@...il.com, patches@...aro.org,
	"Paul E. McKenney" <paul.mckenney@...aro.org>
Subject: Re: [PATCH RFC tip/core/rcu 30/41] rcutorture: Permit holding off
 CPU-hotplug operations during boot

On Wed, Feb 01, 2012 at 11:41:48AM -0800, Paul E. McKenney wrote:
> When rcutorture is started automatically at boot time, it might well
> also start CPU-hotplug operations at that time, which might not be
> desirable.  This commit therefore adds an rcutorture parameter that
> allows CPU-hotplug operations to be held off for the specified number
> of seconds after the start of boot.
> --- a/Documentation/RCU/torture.txt
> +++ b/Documentation/RCU/torture.txt
> @@ -271,11 +278,13 @@ The following script may be used to torture RCU:
>  	#!/bin/sh
>  
>  	modprobe rcutorture
> -	sleep 100
> +	sleep 3600
>  	rmmod rcutorture
>  	dmesg | grep torture:

This looks like an entirely unrelated change.

- Josh Triplett
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