dma_fence_get_rcu
cursor->fence = dma_fence_get_rcu(cursor->fence);
if (dma_fence_get_rcu(&other->base)) {
if (!fence || !dma_fence_get_rcu(fence)) {
fence = dma_fence_get_rcu(fence);
return to_request(dma_fence_get_rcu(&rq->fence));
fence = dma_fence_get_rcu(&node->unbind_fence);
fence = dma_fence_get_rcu(fence);
f = dma_fence_get_rcu(&s_fence->finished);
if (!dma_fence_get_rcu(fence))