fencep            327 include/linux/dma-fence.h dma_fence_get_rcu_safe(struct dma_fence __rcu **fencep)
fencep            332 include/linux/dma-fence.h 		fence = rcu_dereference(*fencep);
fencep            353 include/linux/dma-fence.h 		if (fence == rcu_access_pointer(*fencep))