linux-kernel - Re: [mm PATCH 6/6] RCU: trivial fixes

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Message-ID: <20070116175648.GH1776@linux.vnet.ibm.com>
Date:	Tue, 16 Jan 2007 09:56:48 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Dipankar Sarma <dipankar@...ibm.com>
Cc:	Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org
Subject: Re: [mm PATCH 6/6] RCU: trivial fixes

On Tue, Jan 16, 2007 at 01:01:03AM +0530, Dipankar Sarma wrote:
> 
> Fix a few trivial things based on review comments.

Acked-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

> Signed-off-by: Dipankar Sarma <dipankar@...ibm.com>
> 
> ---
> 
> 
> 
> diff -puN kernel/rcupreempt.c~rcu-fix-trivials kernel/rcupreempt.c
> --- linux-2.6.20-rc3-mm1-rcu/kernel/rcupreempt.c~rcu-fix-trivials	2007-01-15 15:37:00.000000000 +0530
> +++ linux-2.6.20-rc3-mm1-rcu-dipankar/kernel/rcupreempt.c	2007-01-15 15:37:00.000000000 +0530
> @@ -156,7 +156,7 @@ void __rcu_read_lock(void)
>  		local_irq_save(oldirq);
> 
>  		/*
> -		 * Outermost nesting of rcu_read_lock(), so atomically
> +		 * Outermost nesting of rcu_read_lock(), so
>  		 * increment the current counter for the current CPU.
>  		 */
>  		idx = rcu_ctrlblk.completed & 0x1;
> @@ -169,7 +169,7 @@ void __rcu_read_lock(void)
>  		 * Now that the per-CPU counter has been incremented, we
>  		 * are protected.  We can therefore safely increment
>  		 * the nesting counter, relieving further NMIs of the
> -		 * need to do so.
> +		 * need to increment the per-CPU counter.
>  		 */
>  		current->rcu_read_lock_nesting = nesting + 1;
>  		barrier();
> 
> _
-
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