linux-kernel - Re: [PATCH] documentation: Update sysfs path for rcu_cpu_stall

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Date:	Mon, 10 Nov 2014 20:08:36 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Xie XiuQi <xiexiuqi@...wei.com>
Cc:	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	josh@...htriplett.org, rostedt@...dmis.org,
	mathieu.desnoyers@...icios.com, laijs@...fujitsu.com,
	corbet@....net, mingo@...nel.org
Subject: Re: [PATCH] documentation: Update sysfs path for
 rcu_cpu_stall_timeout

On Tue, Nov 11, 2014 at 12:03:26PM +0800, Xie XiuQi wrote:
> Commit 6bfc09e2327d ("rcu: Provide RCU CPU stall warnings for tiny RCU")
> moved the rcu_cpu_stall_timeout module parameter from rcutree.c to
> rcupdate.c, but failed to update Documentation/RCU/stallwarn.txt. This
> commit therefore repairs this omission.
> 
> commit 96224daa16d6 ("documentation: Update sysfs path for rcu_cpu_stall_suppress")
> updated the path for rcu_cpu_stall_suppress, but failed to update for
> rcu_cpu_stall_timeout.
> 
> Signed-off-by: Xie XiuQi <xiexiuqi@...wei.com>

Good catch, thank you!  Queued for 3.20.

							Thanx, Paul

> ---
>  Documentation/RCU/stallwarn.txt |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/Documentation/RCU/stallwarn.txt b/Documentation/RCU/stallwarn.txt
> index ef5a2fd..da6a801 100644
> --- a/Documentation/RCU/stallwarn.txt
> +++ b/Documentation/RCU/stallwarn.txt
> @@ -15,7 +15,7 @@ CONFIG_RCU_CPU_STALL_TIMEOUT
>  	21 seconds.
> 
>  	This configuration parameter may be changed at runtime via the
> -	/sys/module/rcutree/parameters/rcu_cpu_stall_timeout, however
> +	/sys/module/rcupdate/parameters/rcu_cpu_stall_timeout, however
>  	this parameter is checked only at the beginning of a cycle.
>  	So if you are 10 seconds into a 40-second stall, setting this
>  	sysfs parameter to (say) five will shorten the timeout for the
> -- 
> 1.7.1
> 

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