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Date:	Fri, 21 Mar 2014 07:59:37 -0700
From:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
To:	Matt Sickler <Matt.Sickler@...tronics.com>
Cc:	"hjk@...sjkoch.de" <hjk@...sjkoch.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH]: UIO read(2)/write(2) overrides

On Fri, Mar 21, 2014 at 02:49:28PM +0000, Matt Sickler wrote:
> From: gregkh@...uxfoundation.org [mailto:gregkh@...uxfoundation.org]
> >
> >On Fri, Mar 21, 2014 at 02:20:11PM +0000, Matt Sickler wrote:
> >> Tiny patch to let uio-based drivers override the read(2), write(2), and poll(2) syscalls.
> >> The rationale is that some uio-based drivers might want the mmap(2)
> >> functionality of UIO, but have no need for the IRQ semantics of read(2) and write(2).
> >
> >Can you submit a driver that uses these new interfaces as well?  I don't want to add something that isn't used in the kernel.
> 
> We're developing a driver for a new product but the driver is still in
> a state of flux, so it's not ready for posting yet.
> We will definitely get this out there once it's more polished.
> If you want to hold off applying this patch until we have something to
> submit that uses it, I'm fine with that. 

Yes, we will have to wait until we see that driver, thanks.

greg k-h
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