diff mbox series

[2/2] drm/i915: remove excessive i915_gem_drain_freed_objects

Message ID 20220908200706.25773-2-nirmoy.das@intel.com (mailing list archive)
State New, archived
Headers show
Series [1/2] drm/i915: Fix a potential UAF at device unload | expand

Commit Message

Nirmoy Das Sept. 8, 2022, 8:07 p.m. UTC
i915_gem_drain_workqueue() call i915_gem_drain_freed_objects()
so no need to call that again.

Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c                  | 2 --
 drivers/gpu/drm/i915/selftests/mock_gem_device.c | 1 -
 2 files changed, 3 deletions(-)

Comments

Tvrtko Ursulin Sept. 9, 2022, 8:55 a.m. UTC | #1
On 08/09/2022 21:07, Nirmoy Das wrote:
> i915_gem_drain_workqueue() call i915_gem_drain_freed_objects()
> so no need to call that again.
> 
> Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
> ---
>   drivers/gpu/drm/i915/i915_gem.c                  | 2 --
>   drivers/gpu/drm/i915/selftests/mock_gem_device.c | 1 -
>   2 files changed, 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index e8a053eaaa89..e16718d79533 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -1217,8 +1217,6 @@ void i915_gem_driver_remove(struct drm_i915_private *dev_priv)
>   
>   	/* Flush any outstanding unpin_work. */
>   	i915_gem_drain_workqueue(dev_priv);
> -
> -	i915_gem_drain_freed_objects(dev_priv);
>   }
>   
>   void i915_gem_driver_release(struct drm_i915_private *dev_priv)
> diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> index f5904e659ef2..5d02346c43a2 100644
> --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
> @@ -67,7 +67,6 @@ static void mock_device_release(struct drm_device *dev)
>   	intel_gt_driver_remove(to_gt(i915));
>   
>   	i915_gem_drain_workqueue(i915);
> -	i915_gem_drain_freed_objects(i915);
>   
>   	mock_fini_ggtt(to_gt(i915)->ggtt);
>   	destroy_workqueue(i915->wq);

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Regards,

Tvrtko
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index e8a053eaaa89..e16718d79533 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1217,8 +1217,6 @@  void i915_gem_driver_remove(struct drm_i915_private *dev_priv)
 
 	/* Flush any outstanding unpin_work. */
 	i915_gem_drain_workqueue(dev_priv);
-
-	i915_gem_drain_freed_objects(dev_priv);
 }
 
 void i915_gem_driver_release(struct drm_i915_private *dev_priv)
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index f5904e659ef2..5d02346c43a2 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -67,7 +67,6 @@  static void mock_device_release(struct drm_device *dev)
 	intel_gt_driver_remove(to_gt(i915));
 
 	i915_gem_drain_workqueue(i915);
-	i915_gem_drain_freed_objects(i915);
 
 	mock_fini_ggtt(to_gt(i915)->ggtt);
 	destroy_workqueue(i915->wq);