Quoting Christian König (2019-08-21 13:31:45) > @@ -528,20 +352,9 @@ void dma_resv_prune_fences(struct dma_resv *obj) > dma_fence_put(fence); > } > > - list = dma_resv_get_list(obj); > - if (!list) > - return; > - > - for (i = 0; i < list->shared_count; ++i) { > - fence = rcu_dereference_protected(list->shared[i], > - dma_resv_held(obj)); > - > - if (!dma_fence_is_signaled(fence)) > - continue; > - > - RCU_INIT_POINTER(list->shared[i], dma_fence_get_stub()); > - dma_fence_put(fence); > - } > + fence = dma_resv_fences_deref(obj, &obj->readers); > + if (dma_fence_is_signaled(fence)) > + dma_resv_fences_set(obj, &obj->readers, NULL); Needs fence==NULL safeguards. It's not as pruny as it was before. Or did you add some magic to fence-array? -Chris