linux-kernel - Re: arch/x86/Kconfig: not select X86

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Message-ID: <20121025075752.GE3712@gmail.com>
Date:	Thu, 25 Oct 2012 09:57:52 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Bin Gao <bin.gao@...ux.intel.com>
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, Len Brown <len.brown@...el.com>
Subject: Re: arch/x86/Kconfig: not select X86_MPPARSE when SFI is present


* Bin Gao <bin.gao@...ux.intel.com> wrote:

> MPS tables are not needed for systems that have proper ACPI support.
> This is also true for systems that have SFI in place.
> 
> So this patch is to exclude X86_MPPARSE when either ACPI or SFI is present.
> 
> Signed-off-by: Bin Gao <bin.gao@...el.com>
> ---
>  arch/x86/Kconfig |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 46c3bff..b1494bd 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -310,7 +310,7 @@ config X86_X2APIC
>  	  If you don't know what to do here, say N.
>  
>  config X86_MPPARSE
> -	bool "Enable MPS table" if ACPI
> +	bool "Enable MPS table" if ACPI || SFI
>  	default y
>  	depends on X86_LOCAL_APIC
>  	---help---

The changelog does not seem to match the patch. Did you want to 
say:

  " So this patch allows the configuration (turning off) of
    CONFIG_X86_MPPARSE when either ACPI or SFI is present. "

?

	Ingo
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