linux-kernel - Re: [PATCH ipvs-next v3 2/2] ipvs: use cond_resched

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Message-ID: <20130523113046.GF22553@localhost>
Date:	Thu, 23 May 2013 13:30:46 +0200
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	Simon Horman <horms@...ge.net.au>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	Julian Anastasov <ja@....bg>, Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	lvs-devel@...r.kernel.org, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Dipankar Sarma <dipankar@...ibm.com>
Subject: Re: [PATCH ipvs-next v3 2/2] ipvs: use cond_resched_rcu() helper
 when walking connections

On Wed, May 22, 2013 at 02:50:32PM +0900, Simon Horman wrote:
> This avoids the situation where walking of a large number of connections
> may prevent scheduling for a long time while also avoiding excessive
> calls to rcu_read_unlock() and rcu_read_lock().
> 
> Note that in the case of !CONFIG_PREEMPT_RCU this will
> add a call to cond_resched().

Applied, thanks.
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