Subject: Re: [*v2 PATCH 00/22] IPVS, Network Name Space aware

From: Hans Schillstrom <[email-masked]>
Date: Wed, 15 Dec 2010 11:32:27 +0100

On Wed, 2010-12-15 at 00:43 +0100, Julian Anastasov wrote:
> 	Hello,
> 
> On Mon, 13 Dec 2010, Hans Schillstrom wrote:
[snip]
> v2 PATCH 13/22 - ip_vs_est
>  	- estimation_timer: what protection is needed for for_each_net?
>  	It is rtnl for user context and RCU for softirq?
>  	May be est_timer must be per NS? Now may be rcu_read_lock is
>  	needed before for_each_net_rcu ? for_each_net can be called
>  	only under rtnl_lock?
> 
[snip]

In case of a common timer for all ns:

	rcu_read_lock();
	for_each_net_rcu(net) {
		...

	}
	rcu_read_unlock();

I guess it's better with a timer per netns ?
(then for_each_net() is not needed, and the locking can remain the same
as before the netns change.)

Regards
Hans Schillstrom <[email-masked]>