Subject: Re: [PATCH 7/7] [v4] drivers/virt: introduce Freescale hypervisor management driver

From: Timur Tabi <[email-masked]>
Date: Thu, 9 Jun 2011 13:55:17 -0500

Arnd Bergmann wrote:
> Then get rid of all the code that takes apart the ioctl command numbers
> again and just do a switch/case based on the command.

I still need to keep that code to maintain binary compatibility with existing
applications that pass the union as a parameter.

I'll fix that after we've updated the applications.  But we have a
chicken-or-the-egg problem where we need the same application to work with the
new and old ioctl interface for a period of time.

-- 
Timur Tabi
Linux kernel developer at Freescale