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From: Changli Gao <xiaosuo@gmail.com>
To: hadi@cyberus.ca
Cc: Jarek Poplawski <jarkao2@gmail.com>, netdev@vger.kernel.org
Subject: Re: [PATCH 3/3] ifb: move tq from ifb_private
Date: Sat, 4 Dec 2010 23:01:38 +0800	[thread overview]
Message-ID: <AANLkTi=VESSzNvq_VwkWVU5b13VwnGs_tJn-4mqB28LV@mail.gmail.com> (raw)
In-Reply-To: <1291474504.2159.39.camel@mojatatu>

On Sat, Dec 4, 2010 at 10:55 PM, jamal <hadi@cyberus.ca> wrote:
> On Sat, 2010-12-04 at 22:45 +0800, Changli Gao wrote:
>
>>
>> If we breaks 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.
>
> So should we goto resched?
>

Only if we can't lock the txq or rq isn't empty, we goto resched. So
it is a bug.


-- 
Regards,
Changli Gao(xiaosuo@gmail.com)

  reply	other threads:[~2010-12-04 15:02 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-04  5:55 [PATCH 1/3] ifb: remove the useless debug stats Changli Gao
2010-12-04  5:55 ` [PATCH 2/3] ifb: remove unused macro TX_TIMEOUT Changli Gao
2010-12-04 14:13   ` jamal
2010-12-04  5:55 ` [PATCH 3/3] ifb: move tq from ifb_private Changli Gao
2010-12-04 13:15   ` Jarek Poplawski
2010-12-04 13:29     ` Changli Gao
2010-12-04 14:28     ` jamal
2010-12-04 14:45       ` Changli Gao
2010-12-04 14:55         ` jamal
2010-12-04 15:01           ` Changli Gao [this message]
2010-12-04 15:09             ` jamal
2010-12-04 14:48       ` jamal
2010-12-04 15:40         ` Jarek Poplawski
2010-12-04 16:08           ` jamal
2010-12-04 16:56             ` Jarek Poplawski
2010-12-05  0:22               ` Changli Gao
2010-12-05  1:13                 ` Changli Gao
2010-12-05 14:30                   ` jamal
2010-12-05 14:40                     ` Changli Gao
2010-12-05 15:13                       ` Eric Dumazet
2010-12-05 15:16                         ` Changli Gao
2010-12-05 15:13                       ` jamal
2010-12-05 15:22                         ` Changli Gao
2010-12-05 15:31                           ` jamal
2010-12-05 14:27                 ` jamal
2010-12-05 19:09                   ` Jarek Poplawski
2010-12-04 14:18   ` jamal
2010-12-04 14:20     ` Changli Gao
2010-12-04 14:42     ` jamal
2010-12-04 14:50       ` Changli Gao
2010-12-04 14:59         ` jamal
2010-12-04 15:07           ` Changli Gao
2010-12-04 15:11             ` jamal
2010-12-04 14:12 ` [PATCH 1/3] ifb: remove the useless debug stats jamal

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