Re: [PATCH] x86, acpi, idle: Restructure the mwait idle routines

[Arjan van de Ven <arjan@linux.intel.com>]

> diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
> index 8f181b3f842b..e8275f2df9af 100644
> --- a/drivers/thermal/intel_powerclamp.c
> +++ b/drivers/thermal/intel_powerclamp.c
> @@ -438,9 +438,7 @@ static int clamp_thread(void *arg)
>   			 */
>   			local_touch_nmi();
>   			stop_critical_timings();
> -			__monitor((void *)&current_thread_info()->flags, 0, 0);
> -			cpu_relax(); /* allow HT sibling to run */
> -			__mwait(eax, ecx);
> +			mwait_idle_with_hints(eax, ecx);
>   			start_critical_timings();
>   			atomic_inc(&idle_wakeup_counter);
>   		}
>

hmm I take it that mwait_idle_with_hints is the one that also checks need_resched() ?
if so... powerclamp may not want to use that (the whole point is to NOT give the cpu
to tasks!)