On Fri, Apr 16, 2021 at 11:24 AM Jason Wang <jasowang@xxxxxxxxxx> wrote: > > > 在 2021/3/31 下午4:05, Xie Yongji 写道: > > + } > > + case VDUSE_INJECT_VQ_IRQ: > > + ret = -EINVAL; > > + if (arg >= dev->vq_num) > > + break; > > + > > + ret = 0; > > + queue_work(vduse_irq_wq, &dev->vqs[arg].inject); > > + break; > > > One additional note: > > Please use array_index_nospec() for all vqs[idx] access where idx is > under the control of userspace to avoid potential spectre exploitation. > OK, I see. Thanks, Yongji
