linux-kernel - Re: [PATCH] Add Sparse annotations to SRCU wrapper functions in rcutorture

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Date:	Fri, 1 Dec 2006 07:24:13 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Josh Triplett <josh@...edesktop.org>
Cc:	linux-kernel@...r.kernel.org, Andrew Morton <akpm@...l.org>,
	Oleg Nesterov <oleg@...sign.ru>
Subject: Re: [PATCH] Add Sparse annotations to SRCU wrapper functions in rcutorture

On Thu, Nov 30, 2006 at 07:10:37PM -0800, Josh Triplett wrote:
> The SRCU wrapper functions srcu_torture_read_lock and srcu_torture_read_unlock
> in rcutorture intentionally change the SRCU context; annotate them
> accordingly, to avoid a warning.

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

> Signed-off-by: Josh Triplett <josh@...edesktop.org>
> ---
>  kernel/rcutorture.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
> index cd27547..ddafbbf 100644
> --- a/kernel/rcutorture.c
> +++ b/kernel/rcutorture.c
> @@ -401,7 +401,7 @@ static void srcu_torture_cleanup(void)
>  	cleanup_srcu_struct(&srcu_ctl);
>  }
>  
> -static int srcu_torture_read_lock(void)
> +static int srcu_torture_read_lock(void) __acquires(&srcu_ctl)
>  {
>  	return srcu_read_lock(&srcu_ctl);
>  }
> @@ -419,7 +419,7 @@ static void srcu_read_delay(struct rcu_random_state *rrsp)
>  		schedule_timeout_interruptible(longdelay);
>  }
>  
> -static void srcu_torture_read_unlock(int idx)
> +static void srcu_torture_read_unlock(int idx) __releases(&srcu_ctl)
>  {
>  	srcu_read_unlock(&srcu_ctl, idx);
>  }
> -- 
> 1.4.4.1
> 
> 


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