[Intel-gfx] [PATCH 4/4] drm/i915: Insert cond_resched() into i915_gem_free_objects

[Chris Wilson]

As we may have very many objects to free, check to see if the task needs
to be rescheduled whilst freeing them.

Suggested-by: Andrea Arcangeli <aarcange at redhat.com>
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d81cdd4b0edc..d0a363966487 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4335,6 +4335,8 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915,
 	intel_runtime_pm_put(i915);
 	mutex_unlock(&i915->drm.struct_mutex);
 
+	cond_resched();
+
 	llist_for_each_entry_safe(obj, on, freed, freed) {
 		GEM_BUG_ON(obj->bind_count);
 		GEM_BUG_ON(atomic_read(&obj->frontbuffer_bits));
-- 
2.11.0