linux-kernel - Re: [RFC] vtunerc: virtual DVB device - is it ok to NACK driver because of worrying about possible misusage?

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Date:	Tue, 06 Dec 2011 13:01:04 +0100
From:	Andreas Oberritter <obi@...uxtv.org>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
CC:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	HoP <jpetrous@...il.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC] vtunerc: virtual DVB device - is it ok to NACK driver because
 of worrying about possible misusage?

On 06.12.2011 12:18, Mark Brown wrote:
> On Mon, Dec 05, 2011 at 10:20:03PM +0100, Andreas Oberritter wrote:
>> On 05.12.2011 21:55, Alan Cox wrote:
>>> The USB case is quite different because your latency is very tightly
>>> bounded, your dead device state is rigidly defined, and your loss of
>>> device is accurately and immediately signalled.
> 
>>> Quite different.
> 
>> How can usbip work if networking and usb are so different and what's so
>> different between vtunerc and usbip, that made it possible to put usbip
>> into drivers/staging?
> 
> USB-IP is a hack that will only work well on a tightly bounded set of
> networks - if you run it over a lightly loaded local network it can
> work adequately.  This starts to break down as you vary the network
> configuration.

I see. So it has problems that vtunerc doesn't have.
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