On Tue, May 10, 2022 at 12:02:02PM +0300, Yishai Hadas wrote: > This series improves mlx5 live migration driver in few aspects as of > below. > > Refactor to enable running migration commands in parallel over the PF > command interface. > > To achieve that we exposed from mlx5_core an API to let the VF be > notified before that the PF command interface goes down/up. (e.g. PF > reload upon health recovery). > > Once having the above functionality in place mlx5 vfio doesn't need any > more to obtain the global PF lock upon using the command interface but > can rely on the above mechanism to be in sync with the PF. > > This can enable parallel VFs migration over the PF command interface > from kernel driver point of view. > > In addition, > Moved to use the PF async command mode for the SAVE state command. > This enables returning earlier to user space upon issuing successfully > the command and improve latency by let things run in parallel. > > Alex, as this series touches mlx5_core we may need to send this in a > pull request format to VFIO to avoid conflicts before acceptance. The PR was sent. https://lore.kernel.org/netdev/20220510131236.1039430-1-leon@xxxxxxxxxx/T/#u Thanks
