Re: [RFC PATCH for 8.0 00/13] vDPA-net inflight descriptors migration with SVQ

2022-12-07 Thread Jason Wang
On Wed, Dec 7, 2022 at 5:00 PM Eugenio Perez Martin wrote: > > On Tue, Dec 6, 2022 at 8:08 AM Jason Wang wrote: > > > > On Tue, Dec 6, 2022 at 1:04 AM Eugenio Pérez wrote: > > > > > > The state of the descriptors (avail or used) may not be recoverable just > > > looking at the guest memory. Out

Re: [RFC PATCH for 8.0 00/13] vDPA-net inflight descriptors migration with SVQ

2022-12-07 Thread Eugenio Perez Martin
On Tue, Dec 6, 2022 at 8:08 AM Jason Wang wrote: > > On Tue, Dec 6, 2022 at 1:04 AM Eugenio Pérez wrote: > > > > The state of the descriptors (avail or used) may not be recoverable just > > looking at the guest memory. Out of order used descriptor may override > > previous avail ones in the desc

Re: [RFC PATCH for 8.0 00/13] vDPA-net inflight descriptors migration with SVQ

2022-12-05 Thread Jason Wang
On Tue, Dec 6, 2022 at 1:04 AM Eugenio Pérez wrote: > > The state of the descriptors (avail or used) may not be recoverable just > looking at the guest memory. Out of order used descriptor may override > previous avail ones in the descriptor table or avail vring. > > Currently we're not migrating

[RFC PATCH for 8.0 00/13] vDPA-net inflight descriptors migration with SVQ

2022-12-05 Thread Eugenio Pérez
The state of the descriptors (avail or used) may not be recoverable just looking at the guest memory. Out of order used descriptor may override previous avail ones in the descriptor table or avail vring. Currently we're not migrating this status in net devices because virtio-net, vhost-kernel etc