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From: Arnd Bergmann <arnd@arndb.de>
To: Alan Kilian <kilian@bobodyne.com>
Subject: Re: Where is a reference for ioctl32() usage?
Date: Fri, 18 Mar 2005 16:12:46 +0100
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On Freedag 18 März 2005 15:53, Alan Kilian wrote:
>     I am trying to get my PCI bus device driver running on an Xeon 
>     64-bit FC-3 distribution for the first time. It works fine on a
>     32-bit FC-3 distribution.

You should add a compat_ioctl file operation, see
http://lwn.net/Articles/119652/. If your ioctl handler is
64/32 bit clean, you can have a single function for both
unlocked_ioctl and compat_ioctl.

 Arnd <><