Re: [RFC PATCH v2 0/3] virtio-net: graceful drop of vhost for TAP

2021-04-01 Thread Jason Wang
在 2021/3/26 下午5:18, Jason Wang 写道: ? I assume that  both src and dest started with vhost=on. As driver B supports both packed and split, you can switch from driver A to driver B after migration and driver B will work with split. Exactly as it does today. The key question is what is more impo

Re: [RFC PATCH v2 0/3] virtio-net: graceful drop of vhost for TAP

2021-03-26 Thread Jason Wang
在 2021/3/26 下午5:09, Yuri Benditovich 写道: On Fri, Mar 26, 2021 at 10:51 AM Jason Wang wrote: 在 2021/3/25 下午5:00, Yuri Benditovich 写道: Hi Jason, This was discussed earlier on the previous series of patches. https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg01829.html There were strong

Re: [RFC PATCH v2 0/3] virtio-net: graceful drop of vhost for TAP

2021-03-26 Thread Yuri Benditovich
On Fri, Mar 26, 2021 at 10:51 AM Jason Wang wrote: > > > 在 2021/3/25 下午5:00, Yuri Benditovich 写道: > > Hi Jason, > > > > This was discussed earlier on the previous series of patches. > > https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg01829.html > > There were strong objections from both D

Re: [RFC PATCH v2 0/3] virtio-net: graceful drop of vhost for TAP

2021-03-26 Thread Jason Wang
在 2021/3/25 下午5:00, Yuri Benditovich 写道: Hi Jason, This was discussed earlier on the previous series of patches. https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg01829.html There were strong objections from both Daniel and Michael and I feel that the series was rejected. There was Mich

Re: [RFC PATCH v2 0/3] virtio-net: graceful drop of vhost for TAP

2021-03-25 Thread Yuri Benditovich
Hi Jason, This was discussed earlier on the previous series of patches. https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg01829.html There were strong objections from both Daniel and Michael and I feel that the series was rejected. There was Michael's claim: "We did what this patch is tryin

Re: [RFC PATCH v2 0/3] virtio-net: graceful drop of vhost for TAP

2021-03-24 Thread Jason Wang
在 2021/3/22 下午8:24, Yuri Benditovich 写道: Allow fallback to userspace only upon migration, only for specific features and only if 'vhostforce' is not requested. Changes from v1: Patch 1 dropeed (will be submitted in another series) Added device callback in case the migration should fail due to

[RFC PATCH v2 0/3] virtio-net: graceful drop of vhost for TAP

2021-03-22 Thread Yuri Benditovich
Allow fallback to userspace only upon migration, only for specific features and only if 'vhostforce' is not requested. Changes from v1: Patch 1 dropeed (will be submitted in another series) Added device callback in case the migration should fail due to missing features Yuri Benditovich (3): net