On Tue, Jun 28, 2022 at 02:32:19PM +0800, Jason Wang wrote: > > Question is are there drivers which kick before they are ready > > to handle callbacks? > > Let me try to have a look at all the drivers to answer this. One thing to note is that I consider hardening probe and hardening remove separate features. I think that at this point for secured guests it is prudent to outright block device removal - we have been finding races in removal for years. Note sure there's a flag for that but it's probably not too hard to add e.g. to pci core. -- MST