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

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Message-Id: <20091027.203838.21218679.davem@davemloft.net>
Date:	Tue, 27 Oct 2009 20:38:38 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	airlied@...il.com
Cc:	andi@...stfloor.org, 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 13:05:08 +1000

> DrNick on irc suggested just doing:
> if (is_compat_task()) ptr &= 0x00000000FFFFFFFF;
> 
> Is there a one liner I can just do in the actual ioctls instead of
> adding 20 compat
> ones?

Just do the right thing and pass all userland compat pointers
through the correct compat_*() macros.
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