Chris Wilson aae7c06b34 drm/i915: Flag any possible writes for a GTT fault ... We do not explicitly mark the PTE for the user's GTT mmap as being wrprotect, so we don't get a refault when we would need to change a read-only mmapping into read-write. As such, we must presume that if the vma has PROT_WRITE it may be written to, although this is supposed to be indicated by set-domain there are cases (e.g. after swap) where userspace may not be aware of the implicit domain change. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180903083337.13134-2-chris@chris-wilson.co.uk		2018-09-03 12:02:02 +01:00
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drm	drm/i915: Flag any possible writes for a GTT fault	2018-09-03 12:02:02 +01:00
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