linux-kernel - Re: [PATCH v4] x86: under bios control, restore AP's APIC

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Date:	Mon, 9 Nov 2009 13:29:19 +0100
From:	Borislav Petkov <borislav.petkov@....com>
To:	Yong Wang <yong.y.wang@...ux.intel.com>
CC:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] x86: under bios control, restore AP's APIC_LVTTHMR
 to the BSP value

On Mon, Nov 09, 2009 at 07:47:52PM +0800, Yong Wang wrote:

[..]

> diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
> index 0a64353..e6f0ef9 100644
> --- a/arch/x86/kernel/setup.c
> +++ b/arch/x86/kernel/setup.c
> @@ -110,6 +110,7 @@
>  #ifdef CONFIG_X86_64
>  #include <asm/numa_64.h>
>  #endif
> +#include <asm/mce.h>
>  
>  /*
>   * end_pfn only includes RAM, while max_pfn_mapped includes all e820 entries.
> @@ -1040,6 +1041,8 @@ void __init setup_arch(char **cmdline_p)
>  #endif
>  #endif
>  	x86_init.oem.banner();
> +
> +	mcheck_init();

I think you need

#ifdef CONFIG_X86_MCE
...
#endif

here for cases where mcheck is config-disabled, no?

-- 
Regards/Gruss,
Boris.

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