linux-kernel - Re: 2.6.21-rc5-mm4

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Date:	Tue, 3 Apr 2007 19:20:04 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Valdis.Kletnieks@...edu
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.21-rc5-mm4

On Tue, 03 Apr 2007 21:35:54 -0400 Valdis.Kletnieks@...edu wrote:

> On Mon, 02 Apr 2007 22:47:45 PDT, Andrew Morton said:
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc5/2.6.21-rc5-mm4/
> 
> So I was looking at a patch for ACPI_SLEEP that went around a moment ago,
> and ended up doing a 'make menuconfig'.
> 
> I do a '/ACPI_SLEEP' inside that, and I get this output:
> 
> x Symbol: ACPI_SLEEP [=n]                                                 x  
>   x Prompt: Sleep States                                                    x  
>   x   Defined at drivers/acpi/Kconfig:49                                    x  
>   x   Depends on: !X86_NUMAQ && !X86_VISWS && !IA64_HP_SIM && (IA64 || X86) x  
>   x   Location:                                                             x  
>   x     -> Power management options                                         x  
>   x       -> Power Management support (PM [=y])                             x  
>   x         -> ACPI (Advanced Configuration and Power Interface) Support    x  
>   x           -> ACPI Support (ACPI [=y])   
> 
> Only problem is that drivers/acpi/Kconfig:49 says:
> 
> config ACPI_SLEEP
>         bool "Sleep States"
>         depends on X86 && (!SMP || SUSPEND_SMP)
>         depends on PM
>         default y
> 
> Can somebody explain why I'm seeing the different Depends on in the two places?

Due to the top of drivers/acpi/Kconfig:

menu "ACPI (Advanced Configuration and Power Interface) Support"
	depends on !X86_NUMAQ
	depends on !X86_VISWS
	depends on !IA64_HP_SIM
	depends on IA64 || X86
	depends on PM


---
~Randy
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