On Wed, Sep 29, 2021 at 06:28:44PM +0300, Max Gurtovoy wrote: > > So you have a device that's actively modifying its internal state, > > performing I/O, including DMA (thereby dirtying VM memory), all while > > in the _STOP state? And you don't see this as a problem? > > I don't see how is it different from vfio-pci situation. vfio-pci provides no way to observe the migration state. It isn't "000b" > Maybe we need to rename STOP state. We can call it READY or LIVE or > NON_MIGRATION_STATE. It was a poor choice to use 000b as stop, but it doesn't really matter. The mlx5 driver should just pre-init this readable to running. Jason
