Re: [RFC v2 06/13] vduse: Introduce VDUSE - vDPA Device in Userspace

2021-01-08 Thread Bob Liu
On 12/22/20 10:52 PM, Xie Yongji wrote: > This VDUSE driver enables implementing vDPA devices in userspace. > Both control path and data path of vDPA devices will be able to > be handled in userspace. > > In the control path, the VDUSE driver will make use of message > mechnism to forward the

Re: [RFC v2 06/13] vduse: Introduce VDUSE - vDPA Device in Userspace

2020-12-24 Thread Jason Wang
On 2020/12/24 下午4:34, Yongji Xie wrote: Yes, the disadvantage is the performance. But it should be simpler (I guess) and we know it can succeed. Yes, another advantage is that we can support the VM using anonymous memory. Exactly. I think I can try this in v3. And the MMU-based IOMMU

Re: [RFC v2 06/13] vduse: Introduce VDUSE - vDPA Device in Userspace

2020-12-23 Thread Jason Wang
On 2020/12/23 下午10:17, Yongji Xie wrote: On Wed, Dec 23, 2020 at 4:08 PM Jason Wang wrote: On 2020/12/22 下午10:52, Xie Yongji wrote: This VDUSE driver enables implementing vDPA devices in userspace. Both control path and data path of vDPA devices will be able to be handled in userspace. In

Re: [RFC v2 06/13] vduse: Introduce VDUSE - vDPA Device in Userspace

2020-12-23 Thread Jason Wang
On 2020/12/22 下午10:52, Xie Yongji wrote: This VDUSE driver enables implementing vDPA devices in userspace. Both control path and data path of vDPA devices will be able to be handled in userspace. In the control path, the VDUSE driver will make use of message mechnism to forward the config