Quoting ville.syrjala@xxxxxxxxxxxxxxx (2017-09-01 18:12:51)
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> radix_tree_for_each_slot() wants an __rcu annotated pointer for the
> slot. So let's add the annotation.
>
> Fixes the following sparse warnings:
> i915_gem.c:2217:9: warning: incorrect type in assignment (different address spaces)
> i915_gem.c:2217:9: expected void **slot
> i915_gem.c:2217:9: got void [noderef] <asn:4>**
> i915_gem.c:2217:9: warning: incorrect type in assignment (different address spaces)
> i915_gem.c:2217:9: expected void **slot
> i915_gem.c:2217:9: got void [noderef] <asn:4>**
> i915_gem.c:2217:9: warning: incorrect type in argument 1 (different address spaces)
> i915_gem.c:2217:9: expected void [noderef] <asn:4>**slot
> i915_gem.c:2217:9: got void **slot
> i915_gem.c:2217:9: warning: incorrect type in assignment (different address spaces)
> i915_gem.c:2217:9: expected void **slot
> i915_gem.c:2217:9: got void [noderef] <asn:4>**
>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Fixes: 96d776345277 ("drm/i915: Use a radixtree for random access to the object's backing storage")
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Looks ok,
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris
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