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On Thu, 2012-05-24 at 04:28 +0000, Jain Priyanka-B32167 wrote:
> Waiting for review comments on this.
>
> diff --git a/net/core/dev.c b/net/core/dev.c index 452db70..4017820 100644
> --- a/net/core/dev.c
> +++ b/net/core/dev.c
> @@ -2940,7 +2940,7 @@ int netif_rx(struct sk_buff *skb)
> struct rps_dev_flow voidflow, *rflow = &voidflow;
> int cpu;
>
> - preempt_disable();
> + migrate_disable();
I really want to avoid placing open coded migrate_disable() around the
kernel. Perhaps we should use "get_cpu_light()" here too.
-- Steve
> rcu_read_lock();
>
> cpu = get_rps_cpu(skb->dev, skb, &rflow); @@ -2950,13 +2950,13 @@ int netif_rx(struct sk_buff *skb)
> ret = enqueue_to_backlog(skb, cpu, &rflow->last_qtail);
>
> rcu_read_unlock();
> - preempt_enable();
> + migrate_enable();
> } else
> #endif
> {
> unsigned int qtail;
> - ret = enqueue_to_backlog(skb, get_cpu(), &qtail);
> - put_cpu();
> + ret = enqueue_to_backlog(skb, get_cpu_light(), &qtail);
> + put_cpu_light();
> }
> return ret;
> }
> --
> 1.7.4.1
>
>
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