linux-kernel - Re: [PATCH] uio: add support for ioctl

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Message-ID: <20150518173605.GA30744@infradead.org>
Date:	Mon, 18 May 2015 10:36:05 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Stephen Hemminger <stephen@...workplumber.org>
Cc:	"Hans J. Koch" <hjk@...sjkoch.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] uio: add support for ioctl

On Mon, May 18, 2015 at 10:31:36AM -0700, Stephen Hemminger wrote:
> Allow UIO device specific driver to provide ioctl interface.
> This mechanism is used in DPDK uio_msi driver to allow creating
> VFIO like events.

I can't find that driver anywhere in the kernel tree, and there is no
point adding new hooks just for out of tree code that doesn't even
get tested in tree.

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