On Mon, Aug 24, 2015 at 08:44:12AM +0200, Ingo Molnar wrote: > 2) > > What happens if the boot CPU is offlined? (under > CONFIG_BOOTPARAM_HOTPLUG_CPU0=y) > > I don't see CPU hotplug callbacks fixing up the housekeeping_mask if the boot > CPU > is offlined.
We have tick_nohz_cpu_down_callback() which makes sure that the timekeeper, which is the boot CPU in nohz full, never gets offlined. > > Thanks, > > Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
