linux-kernel - Re: [PATCH] [NET]: Fix Ooops of napi net_rx

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Date:	Wed, 12 Dec 2007 08:27:39 +0900
From:	"Joonwoo Park" <joonwpark81@...il.com>
To:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
Cc:	"David Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, herbert@...dor.apana.org.au,
	"Kok, Auke-jan H" <auke-jan.h.kok@...el.com>
Subject: Re: [PATCH] [NET]: Fix Ooops of napi net_rx_action.

2007/12/12, Brandeburg, Jesse <jesse.brandeburg@...el.com>:
> Joonwoo Park wrote:
> >     /* If no Tx and not enough Rx work done, exit the polling mode */
> >     if ((!tx_cleaned && (work_done == 0)) ||
> >        !netif_running(poll_dev)) {
> > quit_polling:
> >         if (likely(adapter->itr_setting & 3))
> >             e1000_set_itr(adapter);
> >         netif_rx_complete(poll_dev, napi);
> >         e1000_irq_enable(adapter);
>
> all drivers using NAPI in 2.6.24+ (NNAPI??) must return zero here, after
> calling netif_rx_complete.  netif_rx_complete plus work_done != 0 causes
> a bug.
>
> >     }
> >
> >     return work_done;
> > }
> >
>

I'm working another patch for drivers (maybe patches)

Thanks.
Joonwoo
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