# Re: \[PATCH ipvs-next v3 0/2\] sched: Add cond\_resched\_rcu\_lock() helper

- From: Peter Zijlstra \<peterz@infradead.org\>
- Date: 2013-05-22 07:54:58 
- List: netdev
- Page: https://ratatoskr.run/netdev/2013/05/4053144
- Thread: https://ratatoskr.run/lvs-devel/2013/05/4053074/t.md

```text
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@infradead.org>

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


```