linux-kernel - Re: [PATCH 2/2] ARM64: powernv: remove redundant cpuidle_idle

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Message-ID: <52F3B17E.4040209@linux.vnet.ibm.com>
Date:	Thu, 06 Feb 2014 21:29:58 +0530
From:	Preeti U Murthy <preeti@...ux.vnet.ibm.com>
To:	Nicolas Pitre <nicolas.pitre@...aro.org>
CC:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linuxppc-dev@...ts.ozlabs.org, linux-pm@...r.kernel.org,
	linaro-kernel@...ts.linaro.org
Subject: Re: [PATCH 2/2] ARM64: powernv: remove redundant cpuidle_idle_call()

Hi Nicolas,

powernv in the subject of the patch?

Regards
Preeti U Murthy
On 02/06/2014 07:46 PM, Nicolas Pitre wrote:
> The core idle loop now takes care of it.
> 
> Signed-off-by: Nicolas Pitre <nico@...aro.org>
> ---
>  arch/arm64/kernel/process.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
> index 1c0a9be2ff..9cce0098f4 100644
> --- a/arch/arm64/kernel/process.c
> +++ b/arch/arm64/kernel/process.c
> @@ -33,7 +33,6 @@
>  #include <linux/kallsyms.h>
>  #include <linux/init.h>
>  #include <linux/cpu.h>
> -#include <linux/cpuidle.h>
>  #include <linux/elfcore.h>
>  #include <linux/pm.h>
>  #include <linux/tick.h>
> @@ -94,10 +93,8 @@ void arch_cpu_idle(void)
>  	 * This should do all the clock switching and wait for interrupt
>  	 * tricks
>  	 */
> -	if (cpuidle_idle_call()) {
> -		cpu_do_idle();
> -		local_irq_enable();
> -	}
> +	cpu_do_idle();
> +	local_irq_enable();
>  }
> 
>  #ifdef CONFIG_HOTPLUG_CPU
> 

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