Re: [RFC v2 00/13] Dinamycally switch to vhost shadow virtqueues at vdpa net migration

2023-02-02 Thread Si-Wei Liu
On 2/2/2023 3:27 AM, Eugenio Perez Martin wrote: On Thu, Feb 2, 2023 at 2:00 AM Si-Wei Liu wrote: On 1/12/2023 9:24 AM, Eugenio Pérez wrote: It's possible to migrate vdpa net devices if they are shadowed from the start. But to always shadow the dataplane is effectively break its host p

Re: [RFC v2 00/13] Dinamycally switch to vhost shadow virtqueues at vdpa net migration

2023-02-02 Thread Eugenio Perez Martin
On Thu, Feb 2, 2023 at 2:00 AM Si-Wei Liu wrote: > > > > On 1/12/2023 9:24 AM, Eugenio Pérez wrote: > > It's possible to migrate vdpa net devices if they are shadowed from the > > > > start. But to always shadow the dataplane is effectively break its host > > > > passthrough, so its not convenien

Re: [RFC v2 00/13] Dinamycally switch to vhost shadow virtqueues at vdpa net migration

2023-02-01 Thread Si-Wei Liu
On 1/12/2023 9:24 AM, Eugenio Pérez wrote: It's possible to migrate vdpa net devices if they are shadowed from the start. But to always shadow the dataplane is effectively break its host passthrough, so its not convenient in vDPA scenarios. This series enables dynamically switching to sh

[RFC v2 00/13] Dinamycally switch to vhost shadow virtqueues at vdpa net migration

2023-01-12 Thread Eugenio Pérez
It's possible to migrate vdpa net devices if they are shadowed from the start. But to always shadow the dataplane is effectively break its host passthrough, so its not convenient in vDPA scenarios. This series enables dynamically switching to shadow mode only at migration time. This allow full d