+Paolo On Mon, May 10, 2021, Jason Gunthorpe wrote: > On Mon, May 10, 2021 at 04:55:39PM +0200, Daniel Vetter wrote: > > > yeah vfio is still broken for the case I care about. I think there's > > also some questions open still about whether kvm really uses > > mmu_notifier in all cases correctly, > > IIRC kvm doesn't either. Yep, KVM on x86 has a non-trivial number of flows that don't properly hook into the mmu_notifier. Paolo is working on fixing the problem, but I believe the rework won't be ready until 5.14.
