From: Ville Syrjälä Date: Fri, 1 Sep 2017 17:12:51 +0000 (+0300) Subject: drm/i915: Add __rcu to radix tree slot pointer X-Git-Tag: v4.14-rc1~106^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6910d85250cd6e7790db3968225fd7472e4683c2;p=platform%2Fkernel%2Flinux-exynos.git drm/i915: Add __rcu to radix tree slot pointer 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] ** 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] ** i915_gem.c:2217:9: warning: incorrect type in argument 1 (different address spaces) i915_gem.c:2217:9: expected void [noderef] **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] ** Cc: Chris Wilson Fixes: 96d776345277 ("drm/i915: Use a radixtree for random access to the object's backing storage") Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20170901171252.31025-1-ville.syrjala@linux.intel.com Reviewed-by: Chris Wilson (cherry picked from commit c23aa71bcfe8a9d597ae5fe4c1527fac20254d0a) Signed-off-by: Rodrigo Vivi --- diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 825d75c5..1abde92 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2212,7 +2212,7 @@ i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj, static void __i915_gem_object_reset_page_iter(struct drm_i915_gem_object *obj) { struct radix_tree_iter iter; - void **slot; + void __rcu **slot; radix_tree_for_each_slot(slot, &obj->mm.get_page.radix, &iter, 0) radix_tree_delete(&obj->mm.get_page.radix, iter.index);