netdev - Re: [PATCH net] pkt_sched: fq: avoid hang when quantum 0

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Message-Id: <20150204.200807.1562005793209207889.davem@davemloft.net>
Date:	Wed, 04 Feb 2015 20:08:07 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	kennetkl@....uio.no, netdev@...r.kernel.org
Subject: Re: [PATCH net] pkt_sched: fq: avoid hang when quantum 0

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 03 Feb 2015 09:46:09 -0800

> On Tue, 2015-02-03 at 17:49 +0100, Kenneth Klette Jonassen wrote:
>> Configuring fq with quantum 0 hangs the system, presumably because of a
>> non-interruptible infinite loop. Either way quantum 0 does not make sense.
>> 
>> Reproduce with:
>> sudo tc qdisc add dev lo root fq quantum 0 initial_quantum 0
>> ping 127.0.0.1
>> 
>> Signed-off-by: Kenneth Klette Jonassen <kennetkl@....uio.no>
>> ---
> 
> Acked-by: Eric Dumazet <edumazet@...gle.com>

Applied, thanks.
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