netdev - Re: [PATCH RFC 2/5] vringfd base/offset

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Message-Id: <200804080714.37011.arnd@arndb.de>
Date:	Tue, 8 Apr 2008 07:14:36 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	virtualization@...ts.linux-foundation.org
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	Max Krasnyansky <maxk@...lcomm.com>
Subject: Re: [PATCH RFC 2/5] vringfd base/offset

On Saturday 05 April 2008, Rusty Russell wrote:
>  static const struct file_operations vring_fops = {
>         .release        = vring_release,
>         .write          = vring_write,
>         .poll           = vring_poll,
> +       .ioctl          = vring_ioctl,
>  };

This should also set the .compat_ioctl pointer. If the argument 
is defined as an actual memory location instead of a pointer,
you also don't need the compat_ptr() conversion for s390x, so
both can point to the same vring_ioctl function.

	Arnd <><
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