netdev - Re: [PATCH 1/2] fix lockdep warning

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Message-ID: <20111004211420.GA11987@verge.net.au>
Date:	Wed, 5 Oct 2011 06:14:23 +0900
From:	Simon Horman <horms@...ge.net.au>
To:	Hans Schillstrom <hans.schillstrom@...csson.com>
Cc:	ja@....bg, wensong@...ux-vs.org, lvs-devel@...r.kernel.org,
	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	hans@...illstrom.com
Subject: Re: [PATCH 1/2] fix lockdep warning

On Mon, Oct 03, 2011 at 12:56:38PM +0200, Hans Schillstrom wrote:
> From: Hans Schillstrom <hans@...illstrom.com>
> 
> rs_lock needs a key to make lock dep happy.
> 
> Signed-off-by: Hans Schillstrom <hans.schillstrom@...csson.com>

Hi Julian,

can I get an Ack or otherwise from you on this patch?

I already have one for
[PATCH 2/2] IPVS netns shutdown/startup dead-lock (Take III)

> 
> diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
> index 2b771dc..a1af72f 100644
> --- a/net/netfilter/ipvs/ip_vs_ctl.c
> +++ b/net/netfilter/ipvs/ip_vs_ctl.c
> @@ -57,6 +57,7 @@ static DEFINE_MUTEX(__ip_vs_mutex);
>  
>  /* lock for service table */
>  static DEFINE_RWLOCK(__ip_vs_svc_lock);
> +static struct lock_class_key ip_vs_rs_key;
>  
>  /* sysctl variables */
>  
> @@ -3680,6 +3681,7 @@ int __net_init ip_vs_control_net_init(struct net *net)
>  	struct netns_ipvs *ipvs = net_ipvs(net);
>  
>  	ipvs->rs_lock = __RW_LOCK_UNLOCKED(ipvs->rs_lock);
> +	__rwlock_init(&ipvs->rs_lock, "ipvs->rs_lock", &ip_vs_rs_key);
>  
>  	/* Initialize rs_table */
>  	for (idx = 0; idx < IP_VS_RTAB_SIZE; idx++)
> -- 
> 1.7.4.4
> 
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