linux-kernel - Re: [RFC PATCH 5/5] kernel/rcu/rcutorture.c:185 fix a sparse warning

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Message-ID: <20140611214752.GC16940@cloud>
Date:	Wed, 11 Jun 2014 14:47:52 -0700
From:	josh@...htriplett.org
To:	Pranith Kumar <bobby.prani@...il.com>
Cc:	paulmck@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 5/5] kernel/rcu/rcutorture.c:185 fix a sparse
 warning

On Wed, Jun 11, 2014 at 04:39:43PM -0400, Pranith Kumar wrote:
> fix the following sparse warning
> 
> kernel/rcu/rcutorture.c:185:1: warning: symbol 'boost_mutex' was not declared. Should it be static?
> 
> by marking boost_mutex as a static mutex
> 
> Signed-off-by: Pranith Kumar <bobby.prani@...il.com>

Please preserve the comment alignment (by deleting a tab).  With that
fixed:
Reviewed-by: Josh Triplett <josh@...htriplett.org>

>  kernel/rcu/rcutorture.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
> index 7fa34f8..1cd4b2d 100644
> --- a/kernel/rcu/rcutorture.c
> +++ b/kernel/rcu/rcutorture.c
> @@ -182,7 +182,7 @@ static u64 notrace rcu_trace_clock_local(void)
>  #endif /* #else #ifdef CONFIG_RCU_TRACE */
>  
>  static unsigned long boost_starttime;	/* jiffies of next boost test start. */
> -DEFINE_MUTEX(boost_mutex);		/* protect setting boost_starttime */
> +static DEFINE_MUTEX(boost_mutex);		/* protect setting boost_starttime */
>  					/*  and boost task create/destroy. */
>  static atomic_t barrier_cbs_count;	/* Barrier callbacks registered. */
>  static bool barrier_phase;		/* Test phase. */
> -- 
> 1.9.1
> 
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