On Monday, January 31, 2011, Richard SchÃtz wrote: > >>>> I'll compile a kernel with CONFIG_NO_HZ to see what happens but how do I > >>>> disable cpuidle during boot? I've checked the kernel-parameters.txt but > >>>> there's no cpuidle related boot parameter there. > >>> > >>> Booting with intel_idle.max_cstate=0 should do the trick. > >> > >> intel_idle.max_cstate=0 causes a fallback to the acpi_idle driver. So it > >> does not disable the C-states directly. > > > > What about not building the acpi_idle driver, then? > > Or just use the processor.max_cstate parameter then. As I wrote a couple of messages ago, https://lkml.org/lkml/2011/1/31/52 . Sure, that should do the trick too. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html