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2bfa996e03
For the global GTT (and aliasing GTT), the address space is owned by the device (it is a global resource) and so the per-file owner field is NULL. For per-process GTT (where we create an address space per context), each is owned by the opening file. We can use this ownership information to both distinguish GGTT and ppGTT address spaces, as well as occasionally inspect the owner. v2: Whitespace, tells us who owns i915_address_space Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1470293567-10811-6-git-send-email-chris@chris-wilson.co.uk |
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