linux-kernel - Re: [PATCH 5/9] ARM: remove redundant cpuidle_idle

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Date:	Mon, 27 Jan 2014 09:33:13 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Nicolas Pitre <nicolas.pitre@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mundt <lethal@...ux-sh.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>
CC:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org,
	linux-pm@...r.kernel.org, linaro-kernel@...ts.linaro.org
Subject: Re: [PATCH 5/9] ARM: remove redundant cpuidle_idle_call()

On 01/27/2014 07:08 AM, Nicolas Pitre wrote:
> The core idle loop now takes care of it.
>
> Signed-off-by: Nicolas Pitre <nico@...aro.org>

Acked-by: Daniel Lezcano <daniel.lezcano@...aro.org>


> ---
>   arch/arm/kernel/process.c | 16 +++++-----------
>   1 file changed, 5 insertions(+), 11 deletions(-)
>
> diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
> index 725b8c95e0..34a59b7614 100644
> --- a/arch/arm/kernel/process.c
> +++ b/arch/arm/kernel/process.c
> @@ -30,7 +30,6 @@
>   #include <linux/uaccess.h>
>   #include <linux/random.h>
>   #include <linux/hw_breakpoint.h>
> -#include <linux/cpuidle.h>
>   #include <linux/leds.h>
>   #include <linux/reboot.h>
>
> @@ -133,7 +132,11 @@ EXPORT_SYMBOL_GPL(arm_pm_restart);
>
>   void (*arm_pm_idle)(void);
>
> -static void default_idle(void)
> +/*
> + * Called from the core idle loop.
> + */
> +
> +void arch_cpu_idle(void)
>   {
>   	if (arm_pm_idle)
>   		arm_pm_idle();
> @@ -163,15 +166,6 @@ void arch_cpu_idle_dead(void)
>   #endif
>
>   /*
> - * Called from the core idle loop.
> - */
> -void arch_cpu_idle(void)
> -{
> -	if (cpuidle_idle_call())
> -		default_idle();
> -}
> -
> -/*
>    * Called by kexec, immediately prior to machine_kexec().
>    *
>    * This must completely disable all secondary CPUs; simply causing those CPUs
>


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