Re: [PATCH] Make netif_rx_ni preempt-safe

[Herbert Xu]

On Wed, Oct 20, 2004 at 05:15:08PM -0700, David S. Miller wrote:
>  
> +int netif_rx_ni(struct sk_buff *skb)
> +{
> +       int err = netif_rx(skb);
> +
> +       preempt_disable();
> +       if (softirq_pending(smp_processor_id()))
> +               do_softirq();

You need to move the netif_rx call inside the disable as otherwise
you might be checking the pending flag on the wrong CPU.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/