> > I think just WARN_ON(cpu_online(fcpu)) would be satisfactory. In my > experience, the downstream effects of violating this condition are > varied and quite difficult to debug. Seems only appropriate to emit a > warning and stack trace before the OS inevitably becomes unstable.
I still have to try but wouldn't this be a problem for the boot-cpu? I mean boot-cpu would be marked online while it tries to do numa_setup_cpu. No? -- Thanks and Regards Srikar Dronamraju
