linux-kernel - Re: [PATCH 3/9] idle: no more arch_cpu_idle

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Date:	Mon, 27 Jan 2014 09:24:31 +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 3/9] idle: no more arch_cpu_idle_prepare() users

On 01/27/2014 07:08 AM, Nicolas Pitre wrote:
> ... so we can get rid of it entirely.
>
> Signed-off-by: Nicolas Pitre <nico@...aro.org>

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

> ---
>   include/linux/cpu.h | 1 -
>   kernel/cpu/idle.c   | 2 --
>   2 files changed, 3 deletions(-)
>
> diff --git a/include/linux/cpu.h b/include/linux/cpu.h
> index 03e235ad1b..218fab7521 100644
> --- a/include/linux/cpu.h
> +++ b/include/linux/cpu.h
> @@ -221,7 +221,6 @@ void cpu_idle(void);
>   void cpu_idle_poll_ctrl(bool enable);
>
>   void arch_cpu_idle(void);
> -void arch_cpu_idle_prepare(void);
>   void arch_cpu_idle_enter(void);
>   void arch_cpu_idle_exit(void);
>   void arch_cpu_idle_dead(void);
> diff --git a/kernel/cpu/idle.c b/kernel/cpu/idle.c
> index 988573a9a3..4e327e211b 100644
> --- a/kernel/cpu/idle.c
> +++ b/kernel/cpu/idle.c
> @@ -52,7 +52,6 @@ static inline int cpu_idle_poll(void)
>   }
>
>   /* Weak implementations for optional arch specific functions */
> -void __weak arch_cpu_idle_prepare(void) { }
>   void __weak arch_cpu_idle_enter(void) { }
>   void __weak arch_cpu_idle_exit(void) { }
>   void __weak arch_cpu_idle_dead(void) { }
> @@ -136,6 +135,5 @@ void cpu_startup_entry(enum cpuhp_state state)
>   	boot_init_stack_canary();
>   #endif
>   	__current_set_polling();
> -	arch_cpu_idle_prepare();
>   	cpu_idle_loop();
>   }
>


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