linux-kernel - Re: [RFC] enhancing the kernel's graphics subsystem

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Message-ID: <4650F5F2.4000305@garzik.org>
Date:	Sun, 20 May 2007 21:29:22 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Jon Smirl <jonsmirl@...il.com>
CC:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Jon Smirl <jonsmirl@...il.net>,
	Jesse Barnes <jesse.barnes@...el.com>,
	linux-kernel@...r.kernel.org,
	"Antonino A. Daplas" <adaplas@...il.com>
Subject: Re: [RFC] enhancing the kernel's graphics subsystem

Jon Smirl wrote:
> This design still requires a global server app since the heads share a
> single device.
> I am always concerned that the root priv code in the X server is a
> potential security hole. I would like to move away from a model where
> there is a global controlling app. I don't think we need a global
> controlling app at all.


If you have multiple "controlling" apps competing for a single device, 
that either implies complexity in each app for sharing control, or 
moving even more code into the kernel for 2D and 3D.

I don't think the kernel community is yet interested in moving 
everything of consequence into the kernel.

	Jeff


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