Re: [PATCH v6 09/10] vduse: Introduce VDUSE - vDPA Device in Userspace

[Jason Wang]

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.

Thanks