linux-kernel - Re: [PATCH v3 0/3] UIO support for dfl devices

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Date:   Thu, 17 Dec 2020 18:10:55 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Tom Rix <trix@...hat.com>
Cc:     Xu Yilun <yilun.xu@...el.com>, mdf@...nel.org,
        linux-fpga@...r.kernel.org, linux-kernel@...r.kernel.org,
        lgoncalv@...hat.com, hao.wu@...el.com
Subject: Re: [PATCH v3 0/3] UIO support for dfl devices

On Thu, Dec 17, 2020 at 05:35:51AM -0800, Tom Rix wrote:
> 
> On 12/16/20 9:44 PM, Xu Yilun wrote:
> > This patchset supports some dfl device drivers written in userspace.
> >
> > In the patchset v1, the "driver_override" interface should be used to bind
> > the DFL UIO driver to DFL devices. But there is concern that the
> > "driver_override" interface is not OK itself. So in v2, we use a new
> > matching algorithem. The "driver_override" interface is abandoned, the DFL
> > UIO driver matches any DFL device which could not be handled by other DFL
> > drivers. So the DFL UIO driver could be used for new DFL devices which are
> > not supported by kernel, also it will not impact the devices which are
> > already got supported.
> 
> This set looks good to me.
> 
> Moritz,
> 
> Is it possible to get this into 5.11 ?

How would that be possible?

New features have to be in linux-next successfully, _BEFORE_ the merge
window opens.  Please read Documentation/process/ for how we do all of
this...

thanks,

greg k-h