Re: [PATCH v3 0/2] vhost-user: Support vhost_dev_start

2022-11-04 Thread Michael S. Tsirkin
On Fri, Nov 04, 2022 at 03:11:44AM -0400, Michael S. Tsirkin wrote: > On Mon, Oct 17, 2022 at 02:44:50PM +0800, Yajun Wu wrote: > > The motivation of adding vhost-user vhost_dev_start support is to > > improve backend configuration speed and reduce live migration VM > > downtime. > > > > Today VQ

Re: [PATCH v3 0/2] vhost-user: Support vhost_dev_start

2022-11-04 Thread Michael S. Tsirkin
On Mon, Oct 17, 2022 at 02:44:50PM +0800, Yajun Wu wrote: > The motivation of adding vhost-user vhost_dev_start support is to > improve backend configuration speed and reduce live migration VM > downtime. > > Today VQ configuration is issued one by one. For virtio net with > multi-queue support, b

[PATCH v3 0/2] vhost-user: Support vhost_dev_start

2022-10-16 Thread Yajun Wu
The motivation of adding vhost-user vhost_dev_start support is to improve backend configuration speed and reduce live migration VM downtime. Today VQ configuration is issued one by one. For virtio net with multi-queue support, backend needs to update RSS (Receive side scaling) on every rx queue en