Re: [PATCH ipvs-next v3 0/2] sched: Add cond_resched_rcu_lock() helper

To: Simon Horman <horms@xxxxxxxxxxxx>
Subject: Re: [PATCH ipvs-next v3 0/2] sched: Add cond_resched_rcu_lock() helper
Cc: Eric Dumazet <eric.dumazet@xxxxxxxxx>, Julian Anastasov <ja@xxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>, lvs-devel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, netfilter-devel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>, Dipankar Sarma <dipankar@xxxxxxxxxx>
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Wed, 22 May 2013 09:54:38 +0200
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@xxxxxxxxxxxxx>

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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