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95ff7c7dd7
During execbuf, a mandatory step is that we add this request (this fence) to each object's reservation_object. Inside execbuf, we track the vma, and to add the fence to the reservation_object then means having to first chase the obj, incurring another cache miss. We can reduce the number of cache misses by stashing a pointer to the reservation_object in the vma itself. 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/20170616140525.6394-1-chris@chris-wilson.co.uk |
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