linux-kernel - Re: + restore-missing-sysfs-max_cstate-attr.patch added to -mm tree

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Message-ID: <47814958.3070208@rtr.ca>
Date:	Sun, 06 Jan 2008 16:34:16 -0500
From:	Mark Lord <lkml@....ca>
To:	Venki Pallipadi <venkatesh.pallipadi@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Arjan van de Ven <arjan@...radead.org>, abelay@...ell.com,
	lenb@...nel.org, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	rjw@...k.pl
Subject: Re: + restore-missing-sysfs-max_cstate-attr.patch added to -mm tree

Venki Pallipadi wrote:
> Reintroduce run time configurable max_cstate for !CPU_IDLE case.
> 
> Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>
> 
> Index: linux-2.6.24-rc/drivers/acpi/processor_idle.c
> ===================================================================
> --- linux-2.6.24-rc.orig/drivers/acpi/processor_idle.c
> +++ linux-2.6.24-rc/drivers/acpi/processor_idle.c
> @@ -76,7 +76,11 @@ static void (*pm_idle_save) (void) __rea
>  #define PM_TIMER_TICKS_TO_US(p)		(((p) * 1000)/(PM_TIMER_FREQUENCY/1000))
>  
>  static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER;
> +#ifdef CONFIG_CPU_IDLE
>  module_param(max_cstate, uint, 0000);
> +#else
> +module_param(max_cstate, uint, 0644);
> +#endif
>  static unsigned int nocst __read_mostly;
>  module_param(nocst, uint, 0000);
>  
..

Can we get this patch upstream so that a stock 2.6.24 will work here?

Thanks
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