[PATCH 7/9] intel: cpuidle: remove stop/start critical timings

Rafael J. Wysocki rjw at sisk.pl
Thu Apr 4 18:31:42 EDT 2013


On Wednesday, April 03, 2013 02:15:20 PM Daniel Lezcano wrote:
> The start/stop_critical_timings are called from arch/x86/kernel/process.c
> in the cpu_idle loop function.
> 
> Remove the ones in the cpuidle driver.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano at linaro.org>

For this one I need an ACK from Len.

Len, any objections?

Rafael


> ---
>  drivers/idle/intel_idle.c |    3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
> index 5d66750..c99c31e 100644
> --- a/drivers/idle/intel_idle.c
> +++ b/drivers/idle/intel_idle.c
> @@ -339,7 +339,6 @@ static int intel_idle(struct cpuidle_device *dev,
>  	if (!(lapic_timer_reliable_states & (1 << (cstate))))
>  		clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu);
>  
> -	stop_critical_timings();
>  	if (!need_resched()) {
>  
>  		__monitor((void *)&current_thread_info()->flags, 0, 0);
> @@ -348,8 +347,6 @@ static int intel_idle(struct cpuidle_device *dev,
>  			__mwait(eax, ecx);
>  	}
>  
> -	start_critical_timings();
> -
>  	if (!(lapic_timer_reliable_states & (1 << (cstate))))
>  		clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu);
>  
> 
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.



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