netdev - Re: [PATCH net-2.6] ifb: goto resched directly if error happens and dp->tq isn't empty

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Date:	Sun, 05 Dec 2010 09:25:44 -0500
From:	jamal <hadi@...erus.ca>
To:	Changli Gao <xiaosuo@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Jarek Poplawski <jarkao2@...il.com>, netdev@...r.kernel.org
Subject: Re: [PATCH net-2.6] ifb: goto resched directly if error happens
 and dp->tq isn't empty

On Sun, 2010-12-05 at 08:09 +0800, Changli Gao wrote:
> If we break the loop when there are still skbs in tq and no skb in
> rq, the skbs will be left in txq until new skbs are enqueued into rq.
> In rare cases, no new skb is queued, then these skbs will stay in rq
> forever.
> 
> After this patch, if tq isn't empty when we break the loop, we goto
> resched directly.
> 
> Signed-off-by: Changli Gao <xiaosuo@...il.com>

Signed-off-by: Jamal Hadi Salim <hadi@...erus.ca>

Dave, this goes to stable as well.

cheers,
jamal

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