Chris Wilson 3b1a55874d igt/drm_read: Check handling of pagefault on destination buffer
In theory, this should force i915_gem_fault() when we first use the
buffer (and not at mmap time) and so prevent a __copy_to_user_inatomic()
from writting to the buffer.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2015-11-25 11:13:25 +00:00
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