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authorChris Wilson <chris@chris-wilson.co.uk>2012-09-04 22:02:56 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-09-20 14:22:57 +0200
commitf60d7f0c1d55a935475ab394955cafddefaa6533 (patch)
tree016122c1b20e51d32ddc2916c84a7a4a719e58bc /drivers/char
parentdrm/i915: Pin backing pages for pwrite (diff)
downloadlinux-f60d7f0c1d55a935475ab394955cafddefaa6533.tar.xz
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drm/i915: Pin backing pages for pread
By using the recently introduced pinning of pages, we can safely drop the mutex in the knowledge that the pages are not going to disappear beneath us, and so we can simplify the code for iterating over the pages. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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