drm/i915: Attempt to prefault user pages for pread/pwrite
authorChris Wilson <chris@chris-wilson.co.uk>
Thu, 14 Oct 2010 12:47:43 +0000 (13:47 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Tue, 19 Oct 2010 08:19:37 +0000 (09:19 +0100)
... in the hope that it makes the atomic fast paths more likely.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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