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:	Mon, 5 Dec 2011 01:05:18 +0100
From:	HoP <jpetrous@...il.com>
To:	Hans Petter Selasky <hselasky@....net>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, VDR User <user.vdr@...il.com>,
	Andreas Oberritter <obi@...uxtv.org>,
	Mauro Carvalho Chehab <mchehab@...hat.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?

Hi,

> Some input from the sideline reading this discussion. As a FreeBSD'er I would
> very much like to see two things happen:
>
> - vtunerc goes into userspace like a client/server daemon pair using CUSE and
> can support _any_ /dev/dvb/adapter, also those created by CUSE itself. That
> means I could potentially use vtunerc in FreeBSD with drivers like cx88:

Vtuner already has userland client/server pair. The server application
is connecting to _any_ /dev/dvb/adapter device. Please look at small
picture here:
http://code.google.com/p/vtuner/wiki/BigPicture

That means the server part is using totally "clean" linux. Nothing more.

>
> http://corona.homeunix.net/cx88wiki
>
> - DVB-X solution in Linux gets mmap support to avoid endless copying of data
> between kernel and userspace.

Adding nmap support should be straightforward. I have it on my TODO.

Honza
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