linux-kernel - Re: [PATCH v5 1/4] uio: add ioctl support

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Message-ID: <20151008130328.GA31866@kroah.com>
Date:	Thu, 8 Oct 2015 14:03:28 +0100
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Vlad Zolotarov <vladz@...udius-systems.com>
Cc:	Stephen Hemminger <stephen@...workplumber.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	bruce.richardson@...el.com, hjk@...sjkoch.de, corbet@....net,
	avi@...udius-systems.com, gleb@...udius-systems.com,
	alexander.duyck@...il.com, mst@...hat.com
Subject: Re: [PATCH v5 1/4] uio: add ioctl support

On Thu, Oct 08, 2015 at 03:41:41PM +0300, Vlad Zolotarov wrote:
> 
> 
> On 10/07/15 22:51, Stephen Hemminger wrote:
> >
> >I was thinking of not naming it uio at all
> >
> 
> U mean doing something completely orthogonal to UIO? And how did u thing to
> access bars? With UIO or implement this functionality in the new configfs
> too?
> If yes - then it will essentially be UIO with MSI-X support, won't it? ;)
> It'll also be the third user-space drivers infrastructure and I'm not sure
> there is enough motivation add it.
> Note that "some on this thread" are claiming that even two is too many... ;)

Let's wait to see what happens here, I talked to Stephen and I think
that a non-UIO driver might be the correct solution here.  At the very
least, the proposed patches are not acceptable, so it can't be any worse
:)

greg k-h
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