drm/i915/gvt: Remove dangerous unpin of backing storage of bound GPU object

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Unpinning the pages prior to the object being release from the GPU may
allow the GPU to read and write into system pages (i.e. use after free
by the hw).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

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Chris Wilson 2016-10-19 11:11:41 +01:00 • committed by Zhenyu Wang

parent b6d891429d

commit eeacd86efa

1 changed files with 10 additions and 2 deletions

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drivers/gpu/drm/i915/gvt/execlist.c

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