linux-kernel - Re: is avoiding compat ioctls possible?

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Message-Id: <20091027.192553.83746115.davem@davemloft.net>
Date:	Tue, 27 Oct 2009 19:25:53 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	airlied@...il.com
Cc:	linux-kernel@...r.kernel.org, dri-devel@...ts.sourceforge.net,
	arnd@...db.de
Subject: Re: is avoiding compat ioctls possible?

From: Dave Airlie <airlied@...il.com>
Date: Wed, 28 Oct 2009 11:22:18 +1000

> Is there really no way to avoid compat ioctls? was I delusional in
> thinking there was?

If you use pointers in your interfaces in any way, no.

And for this drm_radeon_info thing the pointer is "pointless",
you're just returning 32-bit values to the user, just use
a u32 inside of the drm_radeon_info structure for the kernel
to place the result in.
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