linux-kernel - Re: [PATCH] x86 idle: EXPORT_SYMBOL(default_idle, pm_idle) if CONFIG_APM

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Message-Id: <20110609233806.58361a92.rdunlap@xenotime.net>
Date:	Thu, 9 Jun 2011 23:38:06 -0700
From:	Randy Dunlap <rdunlap@...otime.net>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	x86@...nel.org, Len Brown <len.brown@...el.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86 idle: EXPORT_SYMBOL(default_idle, pm_idle) if
 CONFIG_APM_MODULE (only)

On Fri, 10 Jun 2011 04:43:56 +0100 Ben Hutchings wrote:

> Commit 06ae40ce073daf233607a3c54a489f2c1e44683e ('x86 idle:
> EXPORT_SYMBOL(default_idle, pm_idle) only when APM demands it') made
> these exports dependent on CONFIG_APM_MODULE && CONFIG_APM_CPU_IDLE.
> However, the apm module always needs these symbols.
> CONFIG_APM_CPU_IDLE only controls whether it installs its CPU idle
> handler by default.

also fixed here:  https://lkml.org/lkml/2011/6/8/170

but yes, someone please get it merged.

> Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
> ---
> This fixes a regression in 3.0-rc1 and should be applied in this cycle.
> 
> Ben.
> 
>  arch/x86/kernel/process.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
> index 2e4928d..e1ba8cb 100644
> --- a/arch/x86/kernel/process.c
> +++ b/arch/x86/kernel/process.c
> @@ -337,7 +337,7 @@ EXPORT_SYMBOL(boot_option_idle_override);
>   * Powermanagement idle function, if any..
>   */
>  void (*pm_idle)(void);
> -#if defined(CONFIG_APM_MODULE) && defined(CONFIG_APM_CPU_IDLE)
> +#ifdef CONFIG_APM_MODULE
>  EXPORT_SYMBOL(pm_idle);
>  #endif
>  
> @@ -399,7 +399,7 @@ void default_idle(void)
>  		cpu_relax();
>  	}
>  }
> -#if defined(CONFIG_APM_MODULE) && defined(CONFIG_APM_CPU_IDLE)
> +#ifdef CONFIG_APM_MODULE
>  EXPORT_SYMBOL(default_idle);
>  #endif
>  
> -- 


---
~Randy
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