linux-kernel - Re: [PATCH 2/3] rcu: Remove stale comment in tree.c

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Date:	Wed, 16 Jul 2014 19:14:06 -0700
From:	Josh Triplett <josh@...htriplett.org>
To:	Pranith Kumar <bobby.prani@...il.com>
Cc:	Lai Jiangshan <laijs@...fujitsu.com>, paulmck@...ux.vnet.ibm.com,
	Steven Rostedt <rostedt@...dmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	"open list:READ-COPY UPDATE..." <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] rcu: Remove stale comment in tree.c

On Wed, Jul 16, 2014 at 09:01:52PM -0400, Pranith Kumar wrote:
> Sure, please find an updated patch with Josh Triplett's sign-off added:

It appears to have a reviewed-by from someone named "Joe Tripplett"
instead. ;)

> From: Pranith Kumar <bobby.prani@...il.com>
> Date: Mon, 14 Jul 2014 16:01:05 -0400
> Subject: [PATCH 2/3] rcu: Remove stale comment in tree.c
> 
> 
> This commit removes a stale comment in rcu/tree.c which was left out in
> commit 2036d94a7b61ca5032ce (rcu:  Rework detection of use of RCU by offline CPUs)
> 
> For reference, the following updated comment exists a few lines below this which
> means the same.
> 
> /* Remove the outgoing CPU from the masks in the rcu_node hierarchy. */
> 
> Signed-off-by: Pranith Kumar <bobby.prani@...il.com>
> Reviewed-by: Joe Tripplett <josh@...htriplett.org>
> ---
>  kernel/rcu/tree.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
> index a1abaa8..e67246e 100644
> --- a/kernel/rcu/tree.c
> +++ b/kernel/rcu/tree.c
> @@ -2211,8 +2211,6 @@ static void rcu_cleanup_dead_cpu(int cpu, struct rcu_state *rsp)
>  	/* Adjust any no-longer-needed kthreads. */
>  	rcu_boost_kthread_setaffinity(rnp, -1);
>  
> -	/* Remove the dead CPU from the bitmasks in the rcu_node hierarchy. */
> -
>  	/* Exclude any attempts to start a new grace period. */
>  	mutex_lock(&rsp->onoff_mutex);
>  	raw_spin_lock_irqsave(&rsp->orphan_lock, flags);
> -- 
> 1.9.1
> 
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