On Tue, 2022-06-28 at 19:33 +0200, Rafael J. Wysocki wrote: > > Hi Rafael, > > > > I am not sure I got what you mean by "This will affect initialization, not > > just > > hotplug AFAICS", could you elaborate a little bit? Thanks. > > So acpi_processor_add() is called for CPUs that are already present at > init time, not just for the hot-added ones. > > One of the things it does is to associate an ACPI companion with the given > CPU. > > Don't you need that to happen? You are right. I did test again and yes it was also called after boot-time present cpus are up (after smp_init()). I didn't check this carefully at my previous test. Thanks for catching. -- Thanks, -Kai
