On Wed, Jun 01, 2022, Vitaly Kuznetsov wrote: > > static const struct x86_emulate_ops emulate_ops = { > > + .vm_bugged = emulator_vm_bugged, > > .read_gpr = emulator_read_gpr, > > .write_gpr = emulator_write_gpr, > > .read_std = emulator_read_std, > > Is it actually "vm_bugged" or "kvm_bugged"? :-) vm_bugged. KVM_BUG_ON() because it's a KVM bug on the condition, but the invididual VM is what's bugged/dead, i.e. other VMs and thus KVM itself get to live on. :-)