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From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: David Miller <davem@davemloft.net>,
	netdev@vger.kernel.org, josh@freedesktop.org
Subject: Re: [PATCH] net: add sparse annotation to ptype_seq_start/stop
Date: Sun, 20 Jan 2008 21:03:55 -0800	[thread overview]
Message-ID: <20080121050355.GD7541@linux.vnet.ibm.com> (raw)
In-Reply-To: <20080120152146.70bc0b12@deepthought>

On Sun, Jan 20, 2008 at 03:21:46PM -0800, Stephen Hemminger wrote:
> Get rid of some more sparse warnings.
> 
> Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>

Adding Josh to CC -- is __acquires() case-insensitive?  If not, this
needs to be __acquires(RCU) and __releases(RCU).

						Thanx, Paul

> --- a/net/core/dev.c	2008-01-20 14:25:00.000000000 -0800
> +++ b/net/core/dev.c	2008-01-20 14:25:48.000000000 -0800
> @@ -2543,6 +2543,7 @@ static void *ptype_get_idx(loff_t pos)
>  }
> 
>  static void *ptype_seq_start(struct seq_file *seq, loff_t *pos)
> +	__acquires(rcu)
>  {
>  	rcu_read_lock();
>  	return *pos ? ptype_get_idx(*pos - 1) : SEQ_START_TOKEN;
> @@ -2578,6 +2579,7 @@ found:
>  }
> 
>  static void ptype_seq_stop(struct seq_file *seq, void *v)
> +	__releases(rcu)
>  {
>  	rcu_read_unlock();
>  }
> --
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  reply	other threads:[~2008-01-21  5:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-20 23:21 [PATCH] net: add sparse annotation to ptype_seq_start/stop Stephen Hemminger
2008-01-21  5:03 ` Paul E. McKenney [this message]
2008-01-21  5:28   ` Al Viro
2008-01-21  6:01     ` Paul E. McKenney
2008-01-21  7:29   ` Josh Triplett
2008-01-21 10:28     ` David Miller

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