> Yes, after discussion with Rusty, it appears that beefing up > stop_machine_run is the right way to go. And it has benefits for > non-paravirt code as well, such as allowing plug-in kprobes or oprofile > extension modules to be loaded without having to deal with a debug > exception or NMI during module load/unload. I'm still unclear where you think those debug exceptions will come from? -Andi