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Commit 0af5c656 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: fix amdgpu_vm_fini 



We should not remove mappings in rbtree_postorder_for_each_entry_safe
because that rebalances the tree.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarChunming Zhou <david1.zhou@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3732eb06

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

+3 −1
Original line number Diff line number Diff line
@@ -3234,8 +3234,10 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) 
	}

	rbtree_postorder_for_each_entry_safe(mapping, tmp,

					     &vm->va.rb_root, rb) {

		/* Don't remove the mapping here, we don't want to trigger a

		 * rebalance and the tree is about to be destroyed anyway.

		 */

		list_del(&mapping->list);

		amdgpu_vm_it_remove(mapping, &vm->va);

		kfree(mapping);

	}

	list_for_each_entry_safe(mapping, tmp, &vm->freed, list) {