From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keith Packard <keithp@keithp.com>
Subject: Re: [PATCH 11/13] drm/i915: Prevent mmap access through
	the GTT of snooped pages
Date: Wed, 04 May 2011 10:30:21 -0700
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On Thu, 14 Apr 2011 10:03:45 +0100, Chris Wilson <chris@chris-wilson.co.uk>=
 wrote:

> The docs have a dire warning not to attempt to access snooped (the old
> style of cache sharing on pre-SandyBridge chipsets) pages through the GTT.
> Prevent userspace from doing so by sending them a SIGBUS if they try.

There is not plan for the user mode driver to use snooped access on
pre-SNB chipsets. So, the kernel should not try to support this in any
way.

=2D-=20
keith.packard@intel.com

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