From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH v3 1/3] xen: Add UIO kernel driver
Date: Tue, 22 Mar 2016 12:27:03 +0100
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Cc: jblunck@brocade.com, Stephen Hemminger <shemming@brocade.com>, dev@dpdk.org,
 Stephen Hemminger <stephen@networkplumber.org>
To: Jan Blunck <jblunck@infradead.org>
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2016-03-22 12:04, Jan Blunck:
> On Tue, Mar 22, 2016 at 11:42 AM, Thomas Monjalon
> <thomas.monjalon@6wind.com> wrote:
> > 2016-03-22 10:55, Jan Blunck:
> >> New UIO helper kernel driver for Xen netfront UIO poll mode driver.
> >>
> >> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> >> Signed-off-by: Jan Blunck <jblunck@infradead.org>
> >
> > Is it contributed upstream?
> 
> No. Haven't planed that yet.

Integrating new kernel modules in DPDK, without upstream work,
is not planned.

> > Is there something common with igb_uio?
> 
> AFAIK igb_uio is mapping the bars via UIO. The Xen netfront driver
> isn't simulating a PCI interface. Instead it directly maps the TX/RX
> ring.
> 
> Overlap is limited to reading sysfs files. Don't know if that is worth
> being extracted into a standalone header.

No it is not worth extracting. I'm just trying to understand what this
module is, because the log doesn't say much.