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drm/i915: Don't allow binding objects into the last page of the aperture.
authorEric Anholt <eric@anholt.net>
Tue, 12 May 2009 22:27:36 +0000 (15:27 -0700)
committerEric Anholt <eric@anholt.net>
Thu, 14 May 2009 23:00:20 +0000 (16:00 -0700)
This should avoid a class of bugs where the hardware prefetches past the
end of the object, and walks into unallocated memory when the object is
bound to the last page of the aperture.

fd.o bug #21488

Signed-off-by: Eric Anholt <eric@anholt.net>

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