Re: NOHZ: local_softirq_pending 08

[Johannes Berg <johannes@xxxxxxxxxxxxxxxx>]

On Fri, 2009-10-23 at 01:37 +0200, Tilman Schmidt wrote:

> --- a/drivers/isdn/i4l/isdn_ppp.c
> +++ b/drivers/isdn/i4l/isdn_ppp.c
> @@ -1174,7 +1174,10 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
>  #endif /* CONFIG_IPPP_FILTER */
>  	skb->dev = dev;
>  	skb_reset_mac_header(skb);
> -	netif_rx(skb);
> +	if (in_interrupt())
> +		netif_rx(skb);
> +	else
> +		netif_rx_ni(skb);

So you've verified that the entire i4l stack can cope with being called
twice on the same CPU, from different contexts?

johannes

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