Linhaifeng <haifeng.lin@xxxxxxxxxx> writes: > Hi, > > I'm a newbie and have a question about vring_new_virtqueue function. > > Why we set avail->flags to VRING_AVAIL_F_NO_INTERRUPT when no callbacks? > I think we should set avail->flags to VRING_AVAIL_F_NO_INTERRUPT even if no callbacks. Hi Linhaifeng, Not sure I understand your question, but I'll try to answer. We don't set VRING_AVAIL_F_NO_INTERRUPT if there's a callback because we want that callback called. Otherwise callback will never be used. Cheers, Rusty. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization