linux-kernel - Re: [PATCH ipvs-next v3 0/2] sched: Add cond_resched_rcu

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Message-ID: <20130522075438.GO26912@twins.programming.kicks-ass.net>
Date:	Wed, 22 May 2013 09:54:38 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Simon Horman <horms@...ge.net.au>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	Julian Anastasov <ja@....bg>, Ingo Molnar <mingo@...hat.com>,
	"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,
	Pablo Neira Ayuso <pablo@...filter.org>,
	Dipankar Sarma <dipankar@...ibm.com>
Subject: Re: [PATCH ipvs-next v3 0/2] sched: Add cond_resched_rcu_lock()
 helper

On Wed, May 22, 2013 at 02:50:30PM +0900, Simon Horman wrote:
> Add a helper that for use in loops which read data protected by RCU and
> may have a large number of iterations.  Such an example is dumping the list
> of connections known to IPVS: ip_vs_conn_array() and ip_vs_conn_seq_next().
> 
> This series also updates IPVS to use the helper.
> 
> Simon Horman (2):
>   sched: add cond_resched_rcu() helper
>   ipvs: use cond_resched_rcu() helper when walking connections
> 
>  include/linux/sched.h           |  9 +++++++++
>  net/netfilter/ipvs/ip_vs_conn.c | 23 ++++++++---------------
>  2 files changed, 17 insertions(+), 15 deletions(-)

Acked-by: Peter Zijlstra <peterz@...radead.org>

How do you want to go about merging this? Do you want to route it
through the net tree or through -tip?


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