Re: [RFC v3 00/29] vDPA software assisted live migration

2021-07-19 Thread Stefan Hajnoczi
On Mon, May 24, 2021 at 07:29:06AM -0400, Michael S. Tsirkin wrote: > On Mon, May 24, 2021 at 12:37:48PM +0200, Eugenio Perez Martin wrote: > > On Mon, May 24, 2021 at 11:38 AM Michael S. Tsirkin wrote: > > > > > > On Wed, May 19, 2021 at 06:28:34PM +0200, Eugenio Pérez wrote: > > > > Commit 17

Re: [RFC v3 00/29] vDPA software assisted live migration

2021-06-02 Thread Jason Wang
在 2021/5/20 上午12:28, Eugenio Pérez 写道: This series enable shadow virtqueue for vhost-vdpa devices. This is a new method of vhost devices migration: Instead of relay on vhost device's dirty logging capability, SW assisted LM intercepts dataplane, forwarding the descriptors between VM and device.

Re: [RFC v3 00/29] vDPA software assisted live migration

2021-05-24 Thread Jason Wang
在 2021/5/24 下午6:37, Eugenio Perez Martin 写道: On Mon, May 24, 2021 at 11:38 AM Michael S. Tsirkin wrote: On Wed, May 19, 2021 at 06:28:34PM +0200, Eugenio Pérez wrote: Commit 17 introduces the buffer forwarding. Previous one are for preparations again, and laters are for enabling some obvious

Re: [RFC v3 00/29] vDPA software assisted live migration

2021-05-24 Thread Michael S. Tsirkin
On Mon, May 24, 2021 at 12:37:48PM +0200, Eugenio Perez Martin wrote: > On Mon, May 24, 2021 at 11:38 AM Michael S. Tsirkin wrote: > > > > On Wed, May 19, 2021 at 06:28:34PM +0200, Eugenio Pérez wrote: > > > Commit 17 introduces the buffer forwarding. Previous one are for > > > preparations

Re: [RFC v3 00/29] vDPA software assisted live migration

2021-05-24 Thread Michael S. Tsirkin
On Wed, May 19, 2021 at 06:28:34PM +0200, Eugenio Pérez wrote: > Commit 17 introduces the buffer forwarding. Previous one are for > preparations again, and laters are for enabling some obvious > optimizations. However, it needs the vdpa device to be able to map > every IOVA space, and some vDPA