Matthew Wilcox <matthew@xxxxxx> writes: > > I don't understand why we want to know about these CPUs. Surely they > should be 'possible', but not 'present'? What useful thing can Linux do > with them? He explained it in the intro, near the end (I nearly complained about this too when I hadn't finished reading it completely :): |The big picture implication is that we can allow userspace |to interact with disabled CPUs. In this particular example, |we provide a knob that lets a sysadmin schedule any present |CPU for firmware deconfiguration or enablement. The reason sounds pretty exotic, but ok. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
